initial matador ng commit

This commit is contained in:
2025-02-02 20:37:12 +01:00
parent 19de5714f4
commit ded3daceb3
378 changed files with 14913 additions and 13431 deletions
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add_library(matador-orm STATIC
../../include/matador/query/attribute_string_writer.hpp
../../include/matador/query/basic_condition.hpp
../../include/matador/query/condition.hpp
../../include/matador/query/fk_value_extractor.hpp
../../include/matador/query/intermediates/executable_query.hpp
../../include/matador/query/intermediates/executable_query.hpp
../../include/matador/query/intermediates/fetchable_query.hpp
../../include/matador/query/intermediates/query_create_intermediate.hpp
../../include/matador/query/intermediates/query_delete_from_intermediate.hpp
../../include/matador/query/intermediates/query_delete_intermediate.hpp
../../include/matador/query/intermediates/query_drop_intermediate.hpp
../../include/matador/query/intermediates/query_execute_limit_intermediate.hpp
../../include/matador/query/intermediates/query_execute_offset_intermediate.hpp
../../include/matador/query/intermediates/query_execute_order_by_intermediate.hpp
../../include/matador/query/intermediates/query_execute_order_direction_intermediate.hpp
../../include/matador/query/intermediates/query_execute_where_intermediate.hpp
../../include/matador/query/intermediates/query_from_intermediate.hpp
../../include/matador/query/intermediates/query_group_by_intermediate.hpp
../../include/matador/query/intermediates/query_insert_intermediate.hpp
../../include/matador/query/intermediates/query_intermediate.hpp
../../include/matador/query/intermediates/query_into_intermediate.hpp
../../include/matador/query/intermediates/query_join_intermediate.hpp
../../include/matador/query/intermediates/query_limit_intermediate.hpp
../../include/matador/query/intermediates/query_offset_intermediate.hpp
../../include/matador/query/intermediates/query_order_by_intermediate.hpp
../../include/matador/query/intermediates/query_order_direction_intermediate.hpp
../../include/matador/query/intermediates/query_select_intermediate.hpp
../../include/matador/query/intermediates/query_set_intermediate.hpp
../../include/matador/query/intermediates/query_update_intermediate.hpp
../../include/matador/query/intermediates/query_where_intermediate.hpp
../../include/matador/query/internal/basic_type_to_string_visitor.hpp
../../include/matador/query/internal/key_value_pair.hpp
../../include/matador/query/internal/query_parts.hpp
../../include/matador/query/join_data.hpp
../../include/matador/query/key_value_generator.hpp
../../include/matador/query/query.hpp
../../include/matador/query/query_compiler.hpp
../../include/matador/query/query_data.hpp
../../include/matador/query/query_intermediates.hpp
../../include/matador/query/query_part.hpp
../../include/matador/query/value_extractor.hpp
../../include/matador/sql/abstract_sql_logger.hpp
../../include/matador/sql/backend_provider.hpp
../../include/matador/sql/column.hpp
../../include/matador/sql/column_definition.hpp
../../include/matador/sql/connection.hpp
../../include/matador/sql/connection_info.hpp
../../include/matador/sql/dialect.hpp
../../include/matador/sql/dialect_builder.hpp
../../include/matador/sql/dialect_token.hpp
../../include/matador/sql/error_code.hpp
../../include/matador/sql/executor.hpp
../../include/matador/sql/field.hpp
../../include/matador/sql/interface/connection_impl.hpp
../../include/matador/sql/interface/parameter_binder.hpp
../../include/matador/sql/interface/query_result_reader.hpp
../../include/matador/sql/interface/statement_impl.hpp
../../include/matador/sql/internal/object_result_binder.hpp
../../include/matador/sql/internal/query_result_impl.hpp
../../include/matador/sql/query_context.hpp
../../include/matador/sql/query_result.hpp
../../include/matador/sql/record.hpp
../../include/matador/sql/statement.hpp
../../include/matador/sql/table.hpp
query/attribute_string_writer.cpp
query/basic_condition.cpp
query/condition.cpp
query/fk_value_extractor.cpp
query/intermediates/executable_query.cpp
query/intermediates/fetchable_query.cpp
query/intermediates/query_create_intermediate.cpp
query/intermediates/query_delete_from_intermediate.cpp
query/intermediates/query_delete_intermediate.cpp
query/intermediates/query_drop_intermediate.cpp
query/intermediates/query_execute_limit_intermediate.cpp
query/intermediates/query_execute_offset_intermediate.cpp
query/intermediates/query_execute_order_by_intermediate.cpp
query/intermediates/query_execute_order_direction_intermediate.cpp
query/intermediates/query_execute_where_intermediate.cpp
query/intermediates/query_from_intermediate.cpp
query/intermediates/query_group_by_intermediate.cpp
query/intermediates/query_insert_intermediate.cpp
query/intermediates/query_intermediate.cpp
query/intermediates/query_into_intermediate.cpp
query/intermediates/query_join_intermediate.cpp
query/intermediates/query_limit_intermediate.cpp
query/intermediates/query_offset_intermediate.cpp
query/intermediates/query_order_by_intermediate.cpp
query/intermediates/query_order_direction_intermediate.cpp
query/intermediates/query_select_intermediate.cpp
query/intermediates/query_set_intermediate.cpp
query/intermediates/query_where_intermediate.cpp
query/internal/basic_type_to_string_visitor.cpp
query/internal/key_value_pair.cpp
query/internal/query_parts.cpp
query/internal/query_result_impl.cpp
query/key_value_generator.cpp
query/query.cpp
query/query_compiler.cpp
query/query_part.cpp
query/query_update_intermediate.cpp
query/value_extractor.cpp
sql/backend_provider.cpp
sql/column.cpp
sql/column_definition.cpp
sql/connection.cpp
sql/connection_info.cpp
sql/dialect.cpp
sql/dialect_builder.cpp
sql/executor.cpp
sql/field.cpp
sql/interface/connection_impl.cpp
sql/interface/query_result_reader.cpp
sql/interface/statement_impl.cpp
sql/internal/object_result_binder.cpp
sql/object_parameter_binder.cpp
sql/query_result.cpp
sql/record.cpp
sql/statement.cpp
sql/table.cpp
sql/error_code.cpp
)
target_include_directories(matador-orm
PUBLIC
${CMAKE_CURRENT_SOURCE_DIR}/../../include
)
target_link_libraries(matador-orm matador-core)
@@ -0,0 +1,109 @@
#include "matador/query/attribute_string_writer.hpp"
// #include "matador/sql/connection_impl.hpp"
#include <matador/utils/convert.hpp>
#include "matador/sql/dialect.hpp"
#include "matador/utils/string.hpp"
namespace matador::query {
attribute_string_writer::attribute_string_writer(const sql::dialect &d, const std::optional<std::reference_wrapper<const sql::connection_impl>> conn)
: dialect_(d)
, conn_(conn) {}
const sql::dialect& attribute_string_writer::dialect() const {
return dialect_;
}
void attribute_string_writer::write_value(size_t /*pos*/, const int8_t& x ) {
result_ = std::to_string(x) ;
}
void attribute_string_writer::write_value(size_t /*pos*/, const int16_t& x ) {
result_ = std::to_string(x) ;
}
void attribute_string_writer::write_value(size_t /*pos*/, const int32_t& x ) {
result_ = std::to_string(x) ;
}
void attribute_string_writer::write_value(size_t /*pos*/, const int64_t& x ) {
result_ = std::to_string(x) ;
}
void attribute_string_writer::write_value(size_t /*pos*/, const uint8_t& x ) {
result_ = std::to_string(x) ;
}
void attribute_string_writer::write_value(size_t /*pos*/, const uint16_t& x ) {
result_ = std::to_string(x) ;
}
void attribute_string_writer::write_value(size_t /*pos*/, const uint32_t& x ) {
result_ = std::to_string(x) ;
}
void attribute_string_writer::write_value(size_t /*pos*/, const uint64_t& x ) {
result_ = std::to_string(x) ;
}
void attribute_string_writer::write_value(size_t /*pos*/, const bool& x ) {
// result_ = "'" + conn_->dialect().prepare_literal(x ? "true" : "false") + "'";
result_ = dialect_.to_string(x);
}
void attribute_string_writer::write_value(size_t /*pos*/, const float& x ) {
if (const auto res = utils::to<std::string>(x); res.is_error()) {
result_ = *res;
}
}
void attribute_string_writer::write_value(size_t /*pos*/, const double& x ) {
if (const auto res = utils::to<std::string>(x); res.is_error()) {
result_ = *res;
}
}
void attribute_string_writer::write_value(size_t /*pos*/, const time& /*x*/ ) {
// result_ = "'" + dialect_.prepare_literal(utils::to_string(x, "%F %T.%f")) + "'";
}
void attribute_string_writer::write_value(size_t /*pos*/, const date& /*x*/ ) {
// result_ = "'" + dialect_.prepare_literal(utils::to_string(x)) + "'";
}
void attribute_string_writer::write_value(size_t pos, const char* x ) {
write_value(pos, std::string(x) );
}
void attribute_string_writer::write_value(size_t pos, const char* x, size_t /*size*/) {
write_value(pos, std::string(x) );
}
void attribute_string_writer::write_value(size_t /*pos*/, const std::string& x ) {
result_ = "'" + dialect_.prepare_literal(x) + "'";
}
void attribute_string_writer::write_value(size_t /*pos*/, const std::string& x, size_t /*size*/) {
result_ = "'" + dialect_.prepare_literal(x) + "'";
}
void attribute_string_writer::write_value(size_t /*pos*/, const utils::blob& x ) {
// "This is a binary Data string" as binary data:
// MySQL: X'5468697320697320612062616E617279204461746120737472696E67'
// Postgres: '\\x5468697320697320612062616E617279204461746120737472696E67'
// MSSQL: 0x5468697320697320612062616E617279204461746120737472696E67
// Sqlite: X'5468697320697320612062616E617279204461746120737472696E67'
if (conn_.has_value()) {
// result_ = dialect_.token_at(sql::dialect_token::BEGIN_BINARY_DATA) + conn_.value().get().to_escaped_string(x) + dialect_.token_at(sql::dialect_token::END_BINARY_DATA);
} else {
result_ = dialect_.token_at(sql::dialect_token::BEGIN_BINARY_DATA) + dialect_.to_escaped_string(x) + dialect_.token_at(sql::dialect_token::END_BINARY_DATA);
}
}
void attribute_string_writer::write_value(size_t /*pos*/, const utils::value &/*x*/, size_t /*size*/) {}
}
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#include "matador/query/basic_condition.hpp"
namespace matador::query {
std::unordered_map<basic_condition::operand_type, std::string> basic_condition::operands{
{operand_type::EQUAL, "="},
{operand_type::NOT_EQUAL, "<>"},
{operand_type::LESS, "<"},
{operand_type::LESS_EQUAL, "<="},
{operand_type::GREATER, ">"},
{operand_type::GREATER_EQUAL, ">="},
{operand_type::OR, "OR"},
{operand_type::AND, "AND"},
{operand_type::NOT, "NOT"},
{operand_type::IN_LIST, "IN"},
{operand_type::LIKE, "LIKE"}
};
basic_column_condition::basic_column_condition(sql::column fld, const operand_type op)
: field_(std::move(fld)), operand(operands[op])
{ }
basic_in_condition::basic_in_condition(sql::column fld)
: field_(std::move(fld))
{ }
}
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#include "matador/query/condition.hpp"
namespace matador::query {
condition<sql::column, utils::placeholder>::condition(const sql::column &fld, const operand_type op, const utils::placeholder &val)
: basic_column_condition(fld, op), value(val)
{}
std::string condition<sql::column, utils::placeholder>::evaluate(const sql::dialect &d, sql::query_context &query) const
{
query.bind_vars.emplace_back(field_.name);
return d.prepare_identifier(field_) + " " + operand + " " + d.next_placeholder(query.bind_vars);
}
condition<sql::column, sql::query_context>::condition(sql::column col, const operand_type op, sql::query_context &q)
: basic_column_condition(std::move(col), op), query_(q)
{}
std::string condition<sql::column, sql::query_context>::evaluate(const sql::dialect &d, sql::query_context &/*query*/) const
{
std::string result(d.prepare_identifier(field_) + " " + operand + " (");
result += query_.sql;
result += ")";
return result;
}
std::string condition<sql::column, sql::column>::evaluate(const sql::dialect &d, sql::query_context &/*query*/) const {
return d.prepare_condition(field_) + " " + operand + " " + d.prepare_condition(other_column_);
}
condition<sql::column, sql::query_context> in(const sql::column &col, sql::query_context &&q)
{
return {col, basic_condition::operand_type::IN_LIST, q};
}
condition<sql::column, std::string> like(const sql::column &col, const std::string &val) {
return { col, basic_condition::operand_type::LIKE, val };
}
condition<sql::column, sql::column> operator==(const sql::column &a, const sql::column &b)
{
return {a, basic_condition::operand_type::EQUAL, b};
}
}
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#include "matador/query/fk_value_extractor.hpp"
namespace matador::query::detail {
void fk_value_extractor::on_primary_key(const char *, std::string &pk, size_t)
{
value_ = pk;
}
}
@@ -0,0 +1,27 @@
#include "matador/query/intermediates/executable_query.hpp"
#include "matador/query/query_compiler.hpp"
#include "matador/sql/executor.hpp"
#include "matador/sql/statement.hpp"
namespace matador::query {
utils::result<size_t, utils::error> executable_query::execute(const sql::executor &exec) const
{
query_compiler compiler;
return exec.execute(compiler.compile(*context_, exec.dialect(), std::nullopt));
}
utils::result<sql::statement, utils::error> executable_query::prepare(const sql::executor &exec) const
{
query_compiler compiler;
return exec.prepare(compiler.compile(*context_, exec.dialect(), std::nullopt));
}
std::string executable_query::str(const sql::executor &exec) const
{
query_compiler compiler;
return exec.str(compiler.compile(*context_, exec.dialect(), std::nullopt));
}
}
@@ -0,0 +1,57 @@
#include "../../../../include/matador/query/intermediates/fetchable_query.hpp"
#include "../../../../include/matador/sql/executor.hpp"
#include "../../../../include/matador/sql/statement.hpp"
namespace matador::query {
utils::result<sql::query_result<sql::record>, utils::error> fetchable_query::fetch_all(const sql::executor &exec) const
{
query_compiler compiler;
return exec.fetch(compiler.compile(*context_, exec.dialect(), std::nullopt))
.and_then([](auto &&res) {
return utils::ok(sql::query_result<sql::record>(std::forward<decltype(res)>(res)));
});
// if (!result.is_ok()) {
// return utils::error(result.err());
// }
//
// return utils::ok(query_result<record>(std::move(*result)));
}
utils::result<std::optional<sql::record>, utils::error> fetchable_query::fetch_one(const sql::executor &exec) const
{
query_compiler compiler;
auto result = exec.fetch(compiler.compile(*context_, exec.dialect(), std::nullopt));
if (!result.is_ok()) {
return utils::failure(result.err());
}
sql::query_result<sql::record> records(std::move(*result));
auto first = records.begin();
if (first == records.end()) {
return utils::ok(std::optional<sql::record>{std::nullopt});
}
return utils::ok(std::optional<sql::record>{*first.get()});
}
std::string fetchable_query::str(const sql::executor &exec) const
{
query_compiler compiler;
return exec.str(compiler.compile(*context_, exec.dialect(), std::nullopt));
}
utils::result<std::unique_ptr<sql::query_result_impl>, utils::error> fetchable_query::fetch(const sql::executor &exec) const
{
query_compiler compiler;
return exec.fetch(compiler.compile(*context_, exec.dialect(), std::nullopt));
}
utils::result<sql::statement, utils::error> fetchable_query::prepare(const sql::executor &exec) const
{
query_compiler compiler;
return exec.prepare(compiler.compile(*context_, exec.dialect(), std::nullopt));
}
}
@@ -0,0 +1,23 @@
#include "matador/query/intermediates/query_create_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_create_intermediate::query_create_intermediate()
{
context_->parts.push_back(std::make_unique<internal::query_create_part>());
}
executable_query query_create_intermediate::table(const sql::table &table, const std::initializer_list<sql::column_definition> columns)
{
return this->table(table, std::vector<sql::column_definition>{columns});
}
executable_query query_create_intermediate::table(const sql::table &table, const std::vector<sql::column_definition> &columns)
{
context_->parts.push_back(std::make_unique<internal::query_create_table_part>(table, columns));
return {context_};
}
}
@@ -0,0 +1,13 @@
#include "matador/query/intermediates/query_delete_from_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_execute_where_intermediate query_delete_from_intermediate::where_clause(std::unique_ptr<basic_condition> &&cond)
{
context_->parts.push_back(std::make_unique<internal::query_where_part>(std::move(cond)));
return {context_};
}
}
@@ -0,0 +1,20 @@
#include "matador/query/intermediates/query_delete_intermediate.hpp"
#include "matador/query/intermediates/query_delete_from_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_delete_intermediate::query_delete_intermediate()
{
context_->parts.push_back(std::make_unique<internal::query_delete_part>());
}
query_delete_from_intermediate query_delete_intermediate::from(const sql::table &table)
{
context_->parts.push_back(std::make_unique<internal::query_delete_from_part>(table));
return {context_};
}
}
@@ -0,0 +1,18 @@
#include "matador/query/intermediates/query_drop_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_drop_intermediate::query_drop_intermediate()
{
context_->parts.push_back(std::make_unique<internal::query_drop_part>());
}
executable_query query_drop_intermediate::table(const sql::table &table)
{
context_->parts.push_back(std::make_unique<internal::query_drop_table_part>(table));
return {context_};
}
}
@@ -0,0 +1,13 @@
#include "matador/query/intermediates/query_execute_limit_intermediate.hpp"
#include "matador/query/intermediates/query_execute_offset_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_execute_offset_intermediate query_execute_limit_intermediate::offset(size_t offset) {
context_->parts.push_back(std::make_unique<internal::query_offset_part>(offset));
return {context_};
}
} // namespace matador::query
@@ -0,0 +1,11 @@
#include "matador/query/intermediates/query_execute_offset_intermediate.hpp"
#include "matador/query/intermediates/query_execute_limit_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_execute_limit_intermediate query_execute_offset_intermediate::limit(size_t limit) {
context_->parts.push_back(std::make_unique<internal::query_limit_part>(limit));
return {context_};
}
} // namespace matador::query
@@ -0,0 +1,17 @@
#include "matador/query/intermediates/query_execute_order_by_intermediate.hpp"
#include "matador/query/intermediates/query_execute_order_direction_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_execute_order_direction_intermediate query_execute_order_by_intermediate::asc() {
context_->parts.push_back(std::make_unique<internal::query_order_by_asc_part>());
return {context_};
}
query_execute_order_direction_intermediate query_execute_order_by_intermediate::desc() {
context_->parts.push_back(std::make_unique<internal::query_order_by_desc_part>());
return {context_};
}
} // namespace matador::query
@@ -0,0 +1,13 @@
#include "matador/query/intermediates/query_execute_order_direction_intermediate.hpp"
#include "matador/query/intermediates/query_execute_limit_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_execute_limit_intermediate query_execute_order_direction_intermediate::limit(size_t limit) {
context_->parts.push_back(std::make_unique<internal::query_limit_part>(limit));
return {context_};
}
}
@@ -0,0 +1,22 @@
#include "matador/query/intermediates/query_execute_where_intermediate.hpp"
#include "matador/query/intermediates/query_execute_limit_intermediate.hpp"
#include "matador/query/intermediates/query_execute_order_by_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_execute_limit_intermediate query_execute_where_intermediate::limit(size_t limit)
{
context_->parts.push_back(std::make_unique<internal::query_limit_part>(limit));
return {context_};
}
query_execute_order_by_intermediate query_execute_where_intermediate::order_by(const sql::column &col)
{
context_->parts.push_back(std::make_unique<internal::query_order_by_part>(col));
return {context_};
}
}
@@ -0,0 +1,53 @@
#include "matador/query/intermediates/query_from_intermediate.hpp"
#include "matador/query/intermediates/query_join_intermediate.hpp"
#include "matador/query/intermediates/query_group_by_intermediate.hpp"
#include "matador/query/intermediates/query_order_by_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_join_intermediate query_from_intermediate::join_left(const sql::table &t)
{
context_->parts.push_back(std::make_unique<internal::query_join_part>(t));
return {context_};
}
query_from_intermediate query_from_intermediate::join_left(join_data &data)
{
context_->parts.push_back(std::make_unique<internal::query_join_part>(*data.join_table));
context_->parts.push_back(std::make_unique<internal::query_on_part>(std::move(data.condition)));
return {context_};
}
query_from_intermediate query_from_intermediate::join_left(std::vector<join_data> &data_vector)
{
for (auto &data : data_vector) {
context_->parts.push_back(std::make_unique<internal::query_join_part>(*data.join_table));
context_->parts.push_back(std::make_unique<internal::query_on_part>(std::move(data.condition)));
}
return {context_};
}
query_where_intermediate query_from_intermediate::where_clause(std::unique_ptr<basic_condition> &&cond)
{
if (cond) {
context_->parts.push_back(std::make_unique<internal::query_where_part>(std::move(cond)));
}
return {context_};
}
query_group_by_intermediate query_from_intermediate::group_by(const sql::column &col)
{
context_->parts.push_back(std::make_unique<internal::query_group_by_part>(col));
return {context_};
}
query_order_by_intermediate query_from_intermediate::order_by(const sql::column &col)
{
context_->parts.push_back(std::make_unique<internal::query_order_by_part>(col));
return {context_};
}
}
@@ -0,0 +1,14 @@
#include "matador/query/intermediates/query_group_by_intermediate.hpp"
#include "matador/query/intermediates/query_order_by_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_order_by_intermediate query_group_by_intermediate::order_by(const sql::column &col)
{
context_->parts.push_back(std::make_unique<internal::query_order_by_part>(col));
return {context_};
}
}
@@ -0,0 +1,40 @@
#include "matador/query/intermediates/query_insert_intermediate.hpp"
#include "matador/query/intermediates/query_into_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_insert_intermediate::query_insert_intermediate()
{
context_->parts.push_back(std::make_unique<internal::query_insert_part>());
}
query_into_intermediate query_insert_intermediate::into(const sql::table &table, std::initializer_list<sql::column> columns)
{
return into(table, std::move(std::vector<sql::column>{columns}));
}
query_into_intermediate query_insert_intermediate::into(const sql::table &table, std::vector<sql::column> &&columns)
{
context_->parts.push_back(std::make_unique<internal::query_into_part>(table, columns));
return {context_};
}
query_into_intermediate query_insert_intermediate::into(const sql::table &table, const std::vector<std::string> &column_names) {
std::vector<sql::column> columns;
columns.reserve(column_names.size());
for (const auto &col_name : column_names) {
columns.emplace_back(col_name);
}
return into(table, std::move(columns));
}
query_into_intermediate query_insert_intermediate::into(const sql::table &table)
{
context_->parts.push_back(std::make_unique<internal::query_into_part>(table, table.columns));
return {context_};
}
}
@@ -0,0 +1,12 @@
#include "matador/query/intermediates/query_intermediate.hpp"
namespace matador::query {
query_intermediate::query_intermediate()
: context_(std::make_shared<query_data>()) {}
query_intermediate::query_intermediate(const std::shared_ptr<query_data> &context)
: context_(context)
{}
}
@@ -0,0 +1,17 @@
#include "matador/query/intermediates/query_into_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
executable_query query_into_intermediate::values(const std::initializer_list<std::variant<utils::placeholder, utils::database_type>> values)
{
return this->values(std::vector(values));
}
executable_query query_into_intermediate::values(std::vector<std::variant<utils::placeholder, utils::database_type>> &&values) {
context_->parts.push_back(std::make_unique<internal::query_values_part>(std::move(values)));
return {context_};
}
} // namespace matador::query
@@ -0,0 +1,13 @@
#include "matador/query/intermediates/query_join_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_on_intermediate query_join_intermediate::on_clause(std::unique_ptr<basic_condition> &&cond)
{
context_->parts.push_back(std::make_unique<internal::query_on_part>(std::move(cond)));
return {context_};
}
}
@@ -0,0 +1,13 @@
#include "matador/query/intermediates/query_limit_intermediate.hpp"
#include "matador/query/intermediates/query_offset_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_offset_intermediate query_limit_intermediate::offset(size_t offset)
{
context_->parts.push_back(std::make_unique<internal::query_offset_part>(offset));
return {context_};
}
}
@@ -0,0 +1,13 @@
#include "matador/query/intermediates/query_offset_intermediate.hpp"
#include "matador/query/intermediates/query_limit_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_limit_intermediate query_offset_intermediate::limit(size_t limit)
{
context_->parts.push_back(std::make_unique<internal::query_limit_part>(limit));
return {context_};
}
}
@@ -0,0 +1,20 @@
#include "matador/query/intermediates/query_order_by_intermediate.hpp"
#include "matador/query/intermediates/query_order_direction_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_order_direction_intermediate query_order_by_intermediate::asc()
{
context_->parts.push_back(std::make_unique<internal::query_order_by_asc_part>());
return {context_};
}
query_order_direction_intermediate query_order_by_intermediate::desc()
{
context_->parts.push_back(std::make_unique<internal::query_order_by_desc_part>());
return {context_};
}
}
@@ -0,0 +1,14 @@
#include "matador/query/intermediates/query_order_direction_intermediate.hpp"
#include "matador/query/intermediates/query_limit_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_limit_intermediate query_order_direction_intermediate::limit(size_t limit)
{
context_->parts.push_back(std::make_unique<internal::query_limit_part>(limit));
return {context_};
}
}
@@ -0,0 +1,21 @@
#include "matador/query/intermediates/query_select_intermediate.hpp"
#include "matador/query/intermediates/query_join_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_select_intermediate::query_select_intermediate(const std::vector<sql::column>& columns)
{
context_->parts.push_back(std::make_unique<internal::query_select_part>(columns));
}
query_from_intermediate query_select_intermediate::from(const sql::table& t)
{
context_->parts.push_back(std::make_unique<internal::query_from_part>(t));
context_->tables.insert({t.name, t});
return {context_};
}
}
@@ -0,0 +1,13 @@
#include "matador/query/intermediates/query_set_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_execute_where_intermediate query_set_intermediate::where_clause(std::unique_ptr<basic_condition> &&cond)
{
context_->parts.push_back(std::make_unique<internal::query_where_part>(std::move(cond)));
return {context_};
}
}
@@ -0,0 +1,21 @@
#include "matador/query/intermediates/query_where_intermediate.hpp"
#include "matador/query/intermediates/query_group_by_intermediate.hpp"
#include "matador/query/intermediates/query_order_by_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_group_by_intermediate query_where_intermediate::group_by(const sql::column &col)
{
context_->parts.push_back(std::make_unique<internal::query_group_by_part>(col));
return {context_};
}
query_order_by_intermediate query_where_intermediate::order_by(const sql::column &col)
{
context_->parts.push_back(std::make_unique<internal::query_order_by_part>(col));
return {context_};
}
}
@@ -0,0 +1,9 @@
#include "matador/query/internal/basic_type_to_string_visitor.hpp"
namespace matador::query::internal {
basic_type_to_string_visitor::basic_type_to_string_visitor(attribute_string_writer &writer, sql::query_context &query)
: writer(&writer), query(query)
{}
}
@@ -0,0 +1,29 @@
#include "matador/query/internal/key_value_pair.hpp"
#include <utility>
namespace matador::query::internal {
key_value_pair::key_value_pair(std::string name, utils::database_type value)
: name_(std::move(name))
, value_(std::move(value)) {
}
key_value_pair::key_value_pair(const sql::column &col, utils::database_type value)
: name_(col.name)
, value_(std::move(value)) {
}
key_value_pair::key_value_pair(const char *name, utils::database_type value)
: name_(name)
, value_(std::move(value)) {
}
const std::string &key_value_pair::name() const {
return name_;
}
const utils::database_type& key_value_pair::value() const {
return value_;
}
}
+299
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@@ -0,0 +1,299 @@
#include "matador/query/internal/query_parts.hpp"
#include <utility>
namespace matador::query::internal {
query_select_part::query_select_part(std::vector<sql::column> columns)
: query_part(sql::dialect_token::SELECT)
, columns_(std::move(columns)) {}
void query_select_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
const std::vector<sql::column>& query_select_part::columns() const
{
return columns_;
}
query_from_part::query_from_part(sql::table t)
: query_part(sql::dialect_token::FROM)
, table_(std::move(t)) {}
const sql::table &query_from_part::table() const
{
return table_;
}
void query_from_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_join_part::query_join_part(sql::table t)
: query_part(sql::dialect_token::JOIN)
, table_(std::move(t)) {}
const sql::table &query_join_part::table() const
{
return table_;
}
void query_join_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_on_part::query_on_part(std::unique_ptr<basic_condition> &&cond)
: query_part(sql::dialect_token::ON)
, condition_(std::move(cond)) {}
const basic_condition &query_on_part::condition() const
{
return *condition_;
}
void query_on_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_where_part::query_where_part(std::unique_ptr<basic_condition> &&cond)
: query_part(sql::dialect_token::WHERE)
, condition_(std::move(cond)) {}
void query_where_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
const basic_condition &query_where_part::condition() const
{
return *condition_;
}
query_table_name_part::query_table_name_part(sql::dialect_token token, std::string table_name)
: query_part(token)
, table_name_(std::move(table_name)) {}
query_group_by_part::query_group_by_part(sql::column col)
: query_part(sql::dialect_token::GROUP_BY)
, column_(std::move(col))
{}
const sql::column &query_group_by_part::column() const
{
return column_;
}
void query_group_by_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_order_by_part::query_order_by_part(sql::column col)
: query_part(sql::dialect_token::ORDER_BY)
, column_(std::move(col))
{}
const sql::column &query_order_by_part::column() const
{
return column_;
}
void query_order_by_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_order_by_asc_part::query_order_by_asc_part()
: query_part(sql::dialect_token::ASC)
{}
void query_order_by_asc_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_order_by_desc_part::query_order_by_desc_part()
: query_part(sql::dialect_token::DESC)
{}
void query_order_by_desc_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_offset_part::query_offset_part(size_t offset)
: query_part(sql::dialect_token::OFFSET)
, offset_(offset) {}
size_t query_offset_part::offset() const
{
return offset_;
}
void query_offset_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_limit_part::query_limit_part(size_t limit)
: query_part(sql::dialect_token::LIMIT)
, limit_(limit) {}
size_t query_limit_part::limit() const
{
return limit_;
}
void query_limit_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_insert_part::query_insert_part()
: query_part(sql::dialect_token::INSERT) {}
void query_insert_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_into_part::query_into_part(sql::table t, std::vector<sql::column> columns)
: query_part(sql::dialect_token::INSERT)
, table_(std::move(t))
, columns_(std::move(columns)) {}
const sql::table &query_into_part::table() const
{
return table_;
}
const std::vector<sql::column> &query_into_part::columns() const
{
return columns_;
}
void query_into_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_values_part::query_values_part(std::vector<std::variant<utils::placeholder, utils::database_type>> &&values)
: query_part(sql::dialect_token::VALUES)
, values_(std::move(values)) {}
const std::vector<std::variant<utils::placeholder, utils::database_type>>& query_values_part::values() const
{
return values_;
}
void query_values_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_update_part::query_update_part(sql::table table)
: query_part(sql::dialect_token::UPDATE)
, table_(std::move(table)) {}
const sql::table& query_update_part::table() const
{
return table_;
}
void query_update_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_set_part::query_set_part(const std::vector<key_value_pair>& key_value_pairs)
: query_part(sql::dialect_token::SET)
, key_value_pairs_(key_value_pairs) {}
const std::vector<key_value_pair> &query_set_part::key_values() const
{
return key_value_pairs_;
}
void query_set_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_delete_part::query_delete_part()
: query_part(sql::dialect_token::REMOVE) {}
void query_delete_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_delete_from_part::query_delete_from_part(sql::table table)
: query_part(sql::dialect_token::FROM)
, table_(std::move(table)) {}
const sql::table &query_delete_from_part::table() const
{
return table_;
}
void query_delete_from_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_create_part::query_create_part()
: query_part(sql::dialect_token::CREATE) {}
void query_create_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_create_table_part::query_create_table_part(sql::table table, std::vector<sql::column_definition> columns)
: query_part(sql::dialect_token::TABLE)
, table_(std::move(table))
, columns_(std::move(columns)) {}
const sql::table &query_create_table_part::table() const
{
return table_;
}
const std::vector<sql::column_definition> &query_create_table_part::columns() const
{
return columns_;
}
void query_create_table_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_drop_part::query_drop_part()
: query_part(sql::dialect_token::DROP) {}
void query_drop_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
query_drop_table_part::query_drop_table_part(sql::table table)
: query_part(sql::dialect_token::TABLE)
, table_(std::move(table)) {}
const sql::table &query_drop_table_part::table() const
{
return table_;
}
void query_drop_table_part::accept(query_part_visitor &visitor)
{
visitor.visit(*this);
}
}
@@ -0,0 +1,61 @@
#include "matador/sql/internal/query_result_impl.hpp"
#include "matador/sql/interface/query_result_reader.hpp"
namespace matador::sql {
detail::pk_reader::pk_reader(query_result_reader &reader)
: reader_(reader) {}
void detail::pk_reader::on_primary_key(const char *id, std::string &value, size_t size)
{
utils::data_type_traits<std::string>::read_value(reader_, id, column_index_++, value, size);
}
query_result_impl::query_result_impl(std::unique_ptr<query_result_reader> &&reader, std::vector<column_definition> &&prototype, const size_t column_index)
: column_index_(column_index)
, prototype_(std::move(prototype))
, reader_(std::move(reader))
, pk_reader_(*reader_)
{}
query_result_impl::query_result_impl(std::unique_ptr<query_result_reader> &&reader, const std::vector<column_definition> &prototype, const size_t column_index)
: column_index_(column_index)
, prototype_(prototype)
, reader_(std::move(reader))
, pk_reader_(*reader_)
{}
void query_result_impl::on_primary_key(const char *id, std::string &value, size_t size)
{
utils::data_type_traits<std::string>::read_value(*reader_, id, column_index_++, value, size);
}
void query_result_impl::on_revision(const char *id, uint64_t &rev)
{
utils::data_type_traits<uint64_t>::read_value(*reader_, id, column_index_++, rev);
reader_->read_value(id, column_index_++, rev);
}
void query_result_impl::on_attribute(const char *id, char *value, const utils::field_attributes &attr)
{
utils::data_type_traits<char*>::read_value(*reader_, id, column_index_++, value, attr.size());
}
void query_result_impl::on_attribute(const char *id, std::string &value, const utils::field_attributes &attr)
{
utils::data_type_traits<std::string>::read_value(*reader_, id, column_index_++, value, attr.size());
}
void
query_result_impl::on_attribute(const char *id, utils::value &val, const utils::field_attributes &attr)
{
reader_->read_value(id, column_index_++, val, attr.size());
}
const std::vector<column_definition>& query_result_impl::prototype() const
{
return prototype_;
}
}
+17
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@@ -0,0 +1,17 @@
#include "matador/query/key_value_generator.hpp"
#include "matador/query/value_extractor.hpp"
namespace matador::query {
void key_value_generator::on_primary_key(const char *id, std::string &x, size_t)
{
result_.emplace_back(id, x);
}
void key_value_generator::on_revision(const char *id, unsigned long long int &x)
{
result_.emplace_back(id, x);
}
}
+71
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@@ -0,0 +1,71 @@
#include "matador/query/query.hpp"
namespace matador::query {
sql::column alias(const std::string &column, const std::string &as)
{
return sql::column{column, as};
}
sql::column alias(sql::column &&col, const std::string &as)
{
col.as(as);
return std::move(col);
}
sql::column count(const std::string &column)
{
return {sql::sql_function_t::COUNT, column};
}
sql::column count_all()
{
return count("*");
}
query_create_intermediate query::create()
{
return {};
}
query_drop_intermediate query::drop() {
return {};
}
query_select_intermediate query::select( const std::initializer_list<sql::column> columns) {
return select(std::vector<sql::column>{columns});
}
query_select_intermediate query::select(const std::vector<sql::column>& columns) {
return query_select_intermediate{columns};
}
query_select_intermediate query::select(const std::vector<std::string> &column_names) {
std::vector<sql::column> columns;
columns.reserve(column_names.size());
for (const auto &col_name : column_names) {
columns.emplace_back(col_name);
}
return select(columns);
}
query_select_intermediate query::select(std::vector<sql::column> columns, const std::initializer_list<sql::column> additional_columns) {
for (const auto &col : additional_columns) {
columns.push_back(col);
}
return query_select_intermediate{columns};
}
query_insert_intermediate query::insert() {
return {};
}
query_update_intermediate query::update(const sql::table &table) {
return query_update_intermediate{table};
}
query_delete_intermediate query::remove() {
return {};
}
}
+357
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@@ -0,0 +1,357 @@
#include "matador/query/query_compiler.hpp"
#include "matador/query/attribute_string_writer.hpp"
#include "matador/query/query_data.hpp"
#include "matador/query/internal/basic_type_to_string_visitor.hpp"
#include "matador/query/internal/query_parts.hpp"
#include "matador/sql/query_context.hpp"
#include "matador/sql/connection.hpp"
#include "matador/sql/dialect.hpp"
#include "matador/utils/string.hpp"
namespace matador::query {
sql::query_context query_compiler::compile(const query_data &data,
const sql::dialect &d,
std::optional<std::reference_wrapper<const sql::connection_impl>> conn)
{
data_ = &data;
dialect_ = &d;
connection_ = conn;
query_ = {};
for (const auto &part: data.parts) {
part->accept(*this);
}
connection_ = std::nullopt;
dialect_ = nullptr;
data_ = nullptr;
return query_;
}
std::string handle_column(sql::query_context &ctx, const sql::dialect *d, const query_data &data, const sql::column &col) {
ctx.result_vars.emplace_back(col.name);
const auto& column_table = col.table_.get();
ctx.column_aliases.insert({column_table->has_alias() ? column_table->alias : column_table->name + "." + col.name, col.alias});
if (col.is_function()) {
ctx.prototype.emplace_back(col.has_alias() ? col.alias : col.name);
ctx.prototype.back().type(utils::basic_type::type_int32);
} else {
ctx.prototype.emplace_back(col.name);
}
if (const auto it = data.tables.find(col.table_->name); it != data.tables.end()) {
return d->prepare_identifier({it->second, col.name, col.alias});
}
return d->prepare_identifier(col);
}
void query_compiler::visit(internal::query_select_part &select_part)
{
query_.command = sql::sql_command::SQL_CMD_SELECT;
query_.sql = dialect_->token_at(sql::dialect_token::SELECT) + " ";
query_.prototype.clear();
std::string result;
if (const auto &columns = select_part.columns(); columns.size() < 2) {
for (const auto &col: columns) {
result.append(handle_column(query_, dialect_, *data_, col ));
}
} else {
auto it = columns.begin();
result.append(handle_column(query_, dialect_, *data_, *it++));
for (; it != columns.end(); ++it) {
result.append(", ");
result.append(handle_column(query_, dialect_, *data_, *it));
}
}
query_.sql += result;
}
void query_compiler::visit(internal::query_from_part &from_part)
{
query_.table = from_part.table();
query_.sql += " " + query_compiler::build_table_name(from_part.token(), *dialect_, query_.table);
query_.table_aliases.insert({query_.table.name, query_.table.alias});
}
void query_compiler::visit(internal::query_join_part &join_part)
{
query_.sql += " " + query_compiler::build_table_name(join_part.token(), *dialect_, join_part.table());
}
void query_compiler::visit(internal::query_on_part &on_part)
{
query_.sql += " " + dialect_->token_at(sql::dialect_token::ON) +
" " + on_part.condition().evaluate(*dialect_, query_);
}
void query_compiler::visit(internal::query_where_part &where_part)
{
query_.sql += " " + dialect_->token_at(sql::dialect_token::WHERE) +
" " + where_part.condition().evaluate(*dialect_, query_);
}
void query_compiler::visit(internal::query_group_by_part &group_by_part)
{
query_.sql += " " + dialect_->token_at(sql::dialect_token::GROUP_BY) + " " + dialect_->prepare_identifier(group_by_part.column());
}
void query_compiler::visit(internal::query_order_by_part &order_by_part)
{
query_.sql += " " + dialect_->token_at(sql::dialect_token::ORDER_BY) +
" " + dialect_->prepare_condition(order_by_part.column());
}
void query_compiler::visit(internal::query_order_by_asc_part &/*order_by_asc_part*/)
{
query_.sql += " " + dialect_->token_at(sql::dialect_token::ASC);
}
void query_compiler::visit(internal::query_order_by_desc_part &/*order_by_desc_part*/)
{
query_.sql += " " + dialect_->token_at(sql::dialect_token::DESC);
}
void query_compiler::visit(internal::query_offset_part &offset_part)
{
query_.sql += " " + dialect_->token_at(sql::dialect_token::OFFSET) + " " + std::to_string(offset_part.offset());
}
void query_compiler::visit(internal::query_limit_part &limit_part)
{
query_.sql += " " + dialect_->token_at(sql::dialect_token::LIMIT) + " " + std::to_string(limit_part.limit());
}
void query_compiler::visit(internal::query_insert_part &/*insert_part*/)
{
query_.command = sql::sql_command::SQL_CMD_INSERT;
query_.sql = dialect_->token_at(sql::dialect_token::INSERT);
}
void query_compiler::visit(internal::query_into_part &into_part)
{
query_.table = into_part.table();
query_.sql += " " + dialect_->token_at(sql::dialect_token::INTO) +
" " + dialect_->prepare_identifier_string(into_part.table().name);
std::string result{"("};
if (into_part.columns().size() < 2) {
for (const auto &col: into_part.columns()) {
result.append(dialect_->prepare_identifier_string(col.name));
}
} else {
auto it = into_part.columns().begin();
result.append(dialect_->prepare_identifier_string((it++)->name));
for (; it != into_part.columns().end(); ++it) {
result.append(", ");
result.append(dialect_->prepare_identifier_string(it->name));
}
}
result += (")");
query_.sql += " " + result;
}
struct value_visitor {
value_visitor(attribute_string_writer &w, sql::query_context &ctx)
: value_to_string_visitor(w, ctx) {}
void operator()(const utils::database_type &val) {
std::visit(value_to_string_visitor, val);
}
void operator()(const utils::placeholder &/*val*/) {
value_to_string_visitor.query.bind_vars.emplace_back("unknown");
value_to_string_visitor.result = value_to_string_visitor.writer->dialect().next_placeholder(value_to_string_visitor.query.bind_vars);
}
internal::basic_type_to_string_visitor value_to_string_visitor;
};
void query_compiler::visit(internal::query_values_part &values_part)
{
query_.sql += " " + dialect_->token_at(sql::dialect_token::VALUES);
attribute_string_writer writer(*dialect_, connection_);
value_visitor visitor(writer, query_);
std::string result{"("};
if (values_part.values().size() < 2) {
for (const auto& val: values_part.values()) {
std::visit(visitor, val);
result.append(visitor.value_to_string_visitor.result);
}
} else {
auto it = values_part.values().begin();
auto val = *it++;
std::visit(visitor, val);
result.append(visitor.value_to_string_visitor.result);
for (; it != values_part.values().end(); ++it) {
result.append(", ");
val = *it;
std::visit(visitor, val);
result.append(visitor.value_to_string_visitor.result);
}
}
result += (")");
query_.sql += " " + result;
}
void query_compiler::visit(internal::query_update_part &update_part)
{
query_.command = sql::sql_command::SQL_CMD_UPDATE;
query_.table = update_part.table();
query_.sql += query_compiler::build_table_name(update_part.token(), *dialect_, query_.table);
}
void query_compiler::visit(internal::query_delete_part &/*delete_part*/)
{
query_.command = sql::sql_command::SQL_CMD_DELETE;
query_.sql = dialect_->token_at(sql::dialect_token::REMOVE);
}
void query_compiler::visit(internal::query_delete_from_part &delete_from_part)
{
query_.table = delete_from_part.table();
query_.sql += " " + query_compiler::build_table_name(delete_from_part.token(), *dialect_, query_.table);
}
void query_compiler::visit(internal::query_create_part &/*create_part*/)
{
query_.command = sql::sql_command::SQL_CMD_CREATE;
query_.sql = dialect_->token_at(sql::dialect_token::CREATE);
}
struct fk_context
{
std::string column;
std::string ref_table;
std::string ref_column;
};
struct column_context
{
std::vector<std::string> primary_keys;
std::vector<fk_context> foreign_contexts;
};
std::string build_create_column(const sql::column_definition &col, const sql::dialect &d, column_context &context);
void query_compiler::visit(internal::query_create_table_part &create_table_part)
{
query_.sql += " " + dialect_->token_at(sql::dialect_token::TABLE) + " " + dialect_->prepare_identifier_string(create_table_part.table().name) + " ";
query_.table = create_table_part.table();
std::string result = "(";
column_context context;
if (create_table_part.columns().size() < 2) {
for (const auto &col: create_table_part.columns()) {
result.append(build_create_column(col, *dialect_, context));
}
} else {
auto it = create_table_part.columns().begin();
result.append(build_create_column(*it++, *dialect_, context));
for (; it != create_table_part.columns().end(); ++it) {
result.append(", ");
result.append(build_create_column(*it, *dialect_, context));
}
}
if (!context.primary_keys.empty()) {
result.append(", CONSTRAINT PK_" + create_table_part.table().name + " PRIMARY KEY (" + utils::join(context.primary_keys, ", ") + ")");
}
for (const auto &fk: context.foreign_contexts) {
result += ", CONSTRAINT FK_" + create_table_part.table().name;
result += "_" + fk.column;
result += " FOREIGN KEY (" + fk.column + ")";
result += " REFERENCES " + fk.ref_table + "(" + fk.ref_column + ")";
}
result += ")";
query_.sql += result;
}
void query_compiler::visit(internal::query_drop_part &/*drop_part*/)
{
query_.command = sql::sql_command::SQL_CMD_DROP;
query_.sql = dialect_->token_at(sql::dialect_token::DROP);
}
void query_compiler::visit(internal::query_set_part &set_part)
{
query_.sql += " " + dialect_->token_at(sql::dialect_token::SET) + " ";
attribute_string_writer writer(*dialect_, connection_);
internal::basic_type_to_string_visitor value_to_string(writer, query_);
std::string result;
if (set_part.key_values().size() < 2) {
for (const auto &col: set_part.key_values()) {
result.append(dialect_->prepare_identifier_string(col.name()) + "=");
auto var = col.value();
std::visit(value_to_string, var);
result.append(value_to_string.result);
}
} else {
auto it = set_part.key_values().begin();
result.append(dialect_->prepare_identifier_string(it->name()) + "=");
auto var = (it++)->value();
std::visit(value_to_string, var);
result.append(value_to_string.result);
for (; it != set_part.key_values().end(); ++it) {
result.append(", ");
result.append(dialect_->prepare_identifier_string(it->name()) + "=");
var = it->value();
std::visit(value_to_string, var);
result.append(value_to_string.result);
}
}
query_.sql += result;
}
void query_compiler::visit(internal::query_drop_table_part &drop_table_part)
{
query_.table = drop_table_part.table();
query_.sql += " " + query_compiler::build_table_name(drop_table_part.token(), *dialect_, query_.table);
}
std::string build_create_column(const sql::column_definition &col, const sql::dialect &d, column_context &context)
{
std::string result = d.prepare_identifier_string(col.name()) + " " + d.data_type_at(col.type());
if (col.attributes().size() > 0) {
result.append("(" + std::to_string(col.attributes().size()) + ")");
}
if (!col.is_nullable()) {
result.append(" NOT NULL");
}
if (is_constraint_set(col.attributes().options(), utils::constraints::UNIQUE)) {
result.append(" UNIQUE");
}
if (is_constraint_set(col.attributes().options(), utils::constraints::PRIMARY_KEY)) {
context.primary_keys.emplace_back(col.name());
}
if (is_constraint_set(col.attributes().options(), utils::constraints::FOREIGN_KEY)) {
context.foreign_contexts.push_back({col.name(), col.ref_table(), col.ref_column()});
}
return result;
}
std::string query_compiler::build_table_name(const sql::dialect_token token, const sql::dialect &d, const sql::table& t)
{
return d.token_at(token) + " " +
(!d.default_schema_name().empty() ? d.prepare_identifier_string(d.default_schema_name()) + "." : "") +
d.prepare_identifier_string(t.name) +
(t.alias.empty() ? "" : " " + d.prepare_identifier_string(t.alias));
}
}
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#include "matador/query/query_part.hpp"
namespace matador::query {
query_part::query_part(const sql::dialect_token token)
: token_(token) {}
sql::dialect_token query_part::token() const {
return token_;
}
}
@@ -0,0 +1,23 @@
#include "matador/query/intermediates/query_update_intermediate.hpp"
#include "matador/query/internal/query_parts.hpp"
namespace matador::query {
query_update_intermediate::query_update_intermediate(const sql::table& table)
{
context_->parts.push_back(std::make_unique<internal::query_update_part>(table));
}
query_set_intermediate query_update_intermediate::set(std::initializer_list<internal::key_value_pair> columns)
{
return set(std::vector<internal::key_value_pair>{columns});
}
query_set_intermediate query_update_intermediate::set(std::vector<internal::key_value_pair> &&columns)
{
context_->parts.push_back(std::make_unique<internal::query_set_part>(std::move(columns)));
return {context_};
}
}
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#include "matador/query/value_extractor.hpp"
namespace matador::query {
value_extractor::value_extractor(std::vector<utils::database_type> &values)
: values_(values)
{}
void value_extractor::on_primary_key(const char *, std::string &pk, size_t s)
{
utils::data_type_traits<std::string>::bind_value(*this, 0, pk, s);
}
void value_extractor::on_revision(const char *, uint64_t &rev)
{
utils::data_type_traits<uint64_t>::bind_value(*this, 0, rev);
}
void value_extractor::on_attribute(const char *, char *x, const utils::field_attributes &attr)
{
utils::data_type_traits<char*>::bind_value(*this, 0, x, attr.size());
}
void value_extractor::on_attribute(const char *, std::string &x, const utils::field_attributes &attr)
{
utils::data_type_traits<std::string>::bind_value(*this, 0, x, attr.size());
}
void value_extractor::write_value(size_t /*pos*/, const int8_t &x)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const int16_t &x)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const int32_t &x)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const int64_t &x)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const uint8_t &x)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const uint16_t &x)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const uint32_t &x)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const uint64_t &x)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const bool &x)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const float &x)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const double &x)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const time &/*x*/)
{
// values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const date &/*x*/)
{
// values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const char *x)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const char *x, size_t /*size*/)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const std::string &x)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const std::string &x, size_t /*size*/)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const utils::blob &x)
{
values_.emplace_back(x);
}
void value_extractor::write_value(size_t /*pos*/, const utils::value &/*x*/, size_t /*size*/)
{
// values_.emplace_back(x);
}
}
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#include "matador/sql/backend_provider.hpp"
// #include "matador/sql/noop_connection.hpp"
// #include "matador/sql/dialect_builder.hpp"
#include "matador/sql/interface/connection_impl.hpp"
#include <algorithm>
#include <stdexcept>
#include <cstdint>
namespace matador::sql {
backend_provider::backend_provider() = default;
// {
// backends_.emplace("noop", std::make_unique<noop_backend_context>());
// }
backend_provider &backend_provider::instance() {
static backend_provider provider;
return provider;
}
connection_impl *backend_provider::create_connection(const std::string &connection_type, const connection_info &info)
{
auto it = backends_.find(connection_type);
if (it == backends_.end()) {
it = backends_.emplace(connection_type, std::make_unique<backend_service>(connection_type)).first;
}
return it->second->create(info);
}
void backend_provider::destroy_connection(const std::string &connection_type, connection_impl *c)
{
auto it = backends_.find(connection_type);
if (it == backends_.end()) {
it = backends_.emplace(connection_type, std::make_unique<backend_service>(connection_type)).first;
}
return it->second->destroy(c);
}
const dialect &backend_provider::connection_dialect(const std::string &connection_type) {
auto it = backends_.find(connection_type);
if (it == backends_.end()) {
it = backends_.emplace(connection_type, std::make_unique<backend_service>(connection_type)).first;
}
return *it->second->dialect();
}
void backend_provider::register_backend(const std::string &connection_type, std::unique_ptr<basic_backend_service> &&service) {
backends_.emplace(connection_type, std::move(service));
}
backend_provider::backend_service::backend_service(const std::string &connection_type)
{
if (!lib.load("matador-" + connection_type)) {
throw std::runtime_error("couldn't load library '" + connection_type + "'");
}
create_connection = reinterpret_cast<create_func>(reinterpret_cast<std::uintptr_t>(lib.function("create_database")));
destroy_connection = reinterpret_cast<destroy_func>(reinterpret_cast<std::uintptr_t>(lib.function("destroy_database")));
get_dialect = reinterpret_cast<dialect_func >(reinterpret_cast<std::uintptr_t>(lib.function("get_dialect")));
}
connection_impl *backend_provider::backend_service::create(const connection_info &info)
{
return (create_connection)(info);
}
void backend_provider::backend_service::destroy(connection_impl *conn)
{
(destroy_connection)(conn);
}
const dialect *backend_provider::backend_service::dialect() const
{
return (get_dialect)();
}
backend_provider::backend_service::~backend_service()
{
lib.unload();
}
}
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#include <utility>
#include "matador/sql/column.hpp"
#include "matador/sql/table.hpp"
namespace matador::sql {
column operator ""_col(const char *name, size_t len)
{
return column{{name, len}};
}
column::column(const char *name, const std::string& as)
: column(std::string(name), as)
{}
column::column(std::string name, std::string as)
: table_(std::make_shared<sql::table>())
, name(std::move(name))
, alias(std::move(as)) {}
column::column(const sql_function_t func, std::string name)
: table_(std::make_shared<sql::table>())
, name(std::move(name))
, function_(func) {}
column::column(const struct sql::table& t, std::string name, std::string as)
: table_(std::make_shared<sql::table>(t))
, name(std::move(name))
, alias(std::move(as)) {
table_->columns.push_back(*this);
}
column::column(const std::shared_ptr<table>& t, std::string name, std::string as)
: table_(t)
, name(std::move(name))
, alias(std::move(as)) {
}
bool column::equals(const column &x) const
{
return *table_ == *x.table_ &&
name == x.name &&
alias == x.alias &&
function_ == x.function_;
}
column &column::as(std::string a)
{
alias = std::move(a);
return *this;
}
bool column::is_function() const
{
return function_ != sql_function_t::NONE;
}
bool column::has_alias() const {
return !alias.empty();
}
}
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#include "matador/sql/column_definition.hpp"
#include <ostream>
#include <utility>
namespace matador::sql {
column_definition::column_definition(const char *name)
: name_(name)
, attributes_(utils::null_attributes)
{}
column_definition::column_definition(std::string name)
: name_(std::move(name))
, attributes_(utils::null_attributes)
{}
column_definition::column_definition(std::string name, const utils::basic_type type, const utils::field_attributes& attr, const null_option null_opt, const size_t index)
: name_(std::move(name))
, index_(index)
, attributes_(attr)
, null_option_(null_opt)
, value_(type, attr.size())
{}
column_definition::column_definition(std::string name,
const utils::basic_type type,
const size_t index,
std::string ref_table,
std::string ref_column,
const utils::field_attributes& attr, const null_option null_opt)
: name_(std::move(name))
, index_(index)
, attributes_(attr)
, null_option_(null_opt)
, value_(type, attr.size())
, ref_table_(std::move(ref_table))
, ref_column_(std::move(ref_column))
{}
const std::string &column_definition::name() const
{
return name_;
}
std::string column_definition::full_name() const
{
return table_ + "." + name_;
}
std::string column_definition::table_name() const
{
return table_;
}
int column_definition::index() const
{
return index_;
}
const utils::field_attributes &column_definition::attributes() const
{
return attributes_;
}
bool column_definition::is_nullable() const
{
return null_option_ == null_option::NULLABLE;
}
utils::basic_type column_definition::type() const
{
return value_.type();
}
const std::string &column_definition::ref_table() const
{
return ref_table_;
}
const std::string &column_definition::ref_column() const
{
return ref_column_;
}
bool column_definition::is_foreign_reference() const
{
return !ref_column_.empty() && !ref_table_.empty();
}
bool column_definition::is_integer() const
{
return value_.is_integer();
}
bool column_definition::is_floating_point() const
{
return value_.is_floating_point();
}
bool column_definition::is_bool() const
{
return value_.is_bool();
}
bool column_definition::is_string() const
{
return value_.is_string();
}
bool column_definition::is_varchar() const
{
return value_.is_varchar();
}
bool column_definition::is_date() const
{
return value_.is_date();
}
bool column_definition::is_time() const
{
return value_.is_time();
}
bool column_definition::is_blob() const
{
return value_.is_blob();
}
bool column_definition::is_null() const
{
return value_.is_null();
}
void column_definition::type(utils::basic_type /*type*/)
{
// type_ = type;
// utils::initialize_by_utils::basic_type(type, value_);
}
std::string column_definition::str() const
{
return value_.str();
}
std::ostream& operator<<(std::ostream &out, const column_definition &col)
{
out << col.str();
return out;
}
column_definition make_column(const std::string &name, utils::basic_type type, utils::field_attributes attr, null_option null_opt)
{
return {name, type, attr, null_opt};
}
template<>
column_definition make_column<std::string>(const std::string &name, utils::field_attributes attr, null_option null_opt)
{
return make_column(name, utils::data_type_traits<std::string>::type(attr.size()), attr, null_opt);
}
template<>
column_definition make_pk_column<std::string>(const std::string &name, size_t size)
{
return make_column<std::string>(name, {size, utils::constraints::FOREIGN_KEY});
}
template<>
[[maybe_unused]] column_definition make_fk_column<std::string>(const std::string &name, size_t size, const std::string &ref_table,
const std::string &ref_column)
{
return {name, utils::data_type_traits<std::string>::type(size), 0, ref_table, ref_column, {size, utils::constraints::FOREIGN_KEY}, null_option::NOT_NULL};
}
}
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#include "matador/sql/connection.hpp"
#include "matador/sql/backend_provider.hpp"
#include "matador/sql/dialect.hpp"
#include "matador/sql/dialect_token.hpp"
// #include "matador/sql/schema.hpp"
// #include "matador/sql/query_compile_context.hpp"
#include "matador/sql/interface/connection_impl.hpp"
#include <algorithm>
#include <stdexcept>
#include <utility>
namespace matador::sql {
connection::connection(connection_info info, const std::shared_ptr<abstract_sql_logger> &sql_logger)
: connection_info_(std::move(info))
, logger_(sql_logger)
{
connection_.reset(backend_provider::instance().create_connection(connection_info_.type, connection_info_));
}
connection::connection(const std::string& dns, const std::shared_ptr<abstract_sql_logger> &sql_logger)
: connection(connection_info::parse(dns), sql_logger)
{}
connection::connection(const connection &x)
: connection_info_(x.connection_info_)
{
if (x.connection_) {
throw std::runtime_error("couldn't copy connection with valid connection impl");
}
}
connection &connection::operator=(const connection &x) {
if (this == &x) {
return *this;
}
connection_info_ = x.connection_info_;
if (x.connection_) {
throw std::runtime_error("couldn't copy connection with valid connection impl");
}
return *this;
}
connection & connection::operator=(connection &&x) noexcept {
connection_info_ = std::move(x.connection_info_);
connection_ = std::move(x.connection_);
logger_ = std::move(x.logger_);
return *this;
}
connection::~connection()
{
if (connection_->is_open()) {
connection_->close();
}
backend_provider::instance().destroy_connection(connection_info_.type, connection_.release());
connection_ = nullptr;
}
utils::result<void, utils::error> connection::open() const
{
const auto res = is_open();
if (res.is_error()) {
return utils::failure(res.err());
}
if (*res) {
logger_->on_connect();
return connection_->open();
}
return utils::ok<void>();
}
utils::result<void, utils::error> connection::close() const
{
logger_->on_close();
return connection_->close();
}
utils::result<bool, utils::error> connection::is_open() const
{
return connection_->is_open();
}
const connection_info &connection::info() const
{
return connection_info_;
}
std::string connection::type() const {
return connection_info_.type;
}
utils::result<void, utils::error> connection::begin() const {
const auto res = connection_->execute(dialect().token_at(dialect_token::BEGIN));
if (res.is_error()) {
return utils::failure(res.err());
}
return utils::ok<void>();
}
utils::result<void, utils::error> connection::commit() const {
const auto res = connection_->execute(dialect().token_at(dialect_token::COMMIT));
if (res.is_error()) {
return utils::failure(res.err());
}
return utils::ok<void>();
}
utils::result<void, utils::error> connection::rollback() const {
const auto res = connection_->execute(dialect().token_at(dialect_token::ROLLBACK));
if (res.is_error()) {
return utils::failure(res.err());
}
return utils::ok<void>();
}
utils::result<std::vector<column_definition>, utils::error> connection::describe(const std::string &table_name) const
{
return connection_->describe(table_name);
}
utils::result<bool, utils::error> connection::exists(const std::string &schema_name, const std::string &table_name) const
{
return connection_->exists(schema_name, table_name);
}
utils::result<bool, utils::error> connection::exists(const std::string &table_name) const
{
return connection_->exists(dialect().default_schema_name(), table_name);
}
utils::result<size_t, utils::error> connection::execute(const std::string &sql) const
{
// logger_.debug(sql);
return connection_->execute(sql);
}
bool has_unknown_columns(const std::vector<sql::column_definition> &columns) {
return std::any_of(std::begin(columns), std::end(columns), [](const auto &col) {
return col.type() == utils::basic_type::type_null;
});
}
// query_result<record> connection::fetch(const query_context &ctx) const
// {
// if (ctx.prototype.empty() || is_unknown(ctx.prototype)) {
// const auto table_prototype = describe(ctx.table.name);
// for (auto &col : ctx.prototype) {
// const auto rit = std::find_if(std::begin(table_prototype), std::end(table_prototype), [&col](const auto &value) {
// return value.name() == col.name();
// });
// if (col.type() == data_type::type_unknown && rit != table_prototype.end()) {
// const_cast<column_definition&>(col).type(rit->type());
// }
// }
// }
// // auto it = prototypes_.find(q.table_name);
// // if (it == prototypes_.end()) {
// // it = prototypes_.emplace(q.table_name, describe(q.table_name)).first;
// // }
// // // adjust columns from given query
// // for (auto &col : q.prototype) {
// // if (const auto rit = it->second.find(col.name()); col.type() == data_type_t::type_unknown && rit != it->second.end()) {
// // const_cast<column&>(col).type(rit->type());
// // }
// // }
// auto res = fetch(ctx.sql);
// return query_result<record>{std::move(res), ctx.prototype};
// }
utils::result<std::unique_ptr<query_result_impl>, utils::error> connection::fetch(const query_context &ctx) const
{
// logger_.debug(sql);
return connection_->fetch(ctx);
// return connection_->fetch(dialect().compile(ctx, *connection_));
}
utils::result<size_t, utils::error> connection::execute(const query_context& ctx) const
{
return execute(ctx.sql);
// return execute(dialect().compile(ctx, *connection_).sql);
}
utils::result<statement, utils::error> connection::prepare(const query_context &ctx) const
{
if (ctx.command != sql_command::SQL_CMD_CREATE && (ctx.prototype.empty() || has_unknown_columns(ctx.prototype))) {
if (const auto result = describe(ctx.table.name); result.is_ok()) {
for (auto &col: ctx.prototype) {
const auto rit = std::find_if(std::begin(*result), std::end(*result),
[&col](const auto &value) {
return value.name() == col.name();
});
if (col.type() == utils::basic_type::type_null && rit != result->end()) {
const_cast<column_definition &>(col).type(rit->type());
}
}
}
}
// return connection_->prepare(qry).and_then([](auto &&res) {
// return statement(std::forward<decltype(res)>(res));
// });
if (auto result = connection_->prepare(ctx); result.is_ok()) {
return utils::ok(statement(result.release()));
}
return utils::ok(statement(std::unique_ptr<statement_impl>{}));
}
std::string connection::str( const query_context& ctx ) const
{
return ctx.sql;
}
const class dialect &connection::dialect() const
{
return connection_->dialect();
}
}
+72
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#include "matador/sql/connection_info.hpp"
#include <regex>
namespace matador::sql {
connection_info connection_info::parse(const std::string &info, unsigned short default_port, const std::string &default_driver) {
static const std::regex DNS_RGX (R"((\w+):\/\/((([\w]+)(:([\w!]+))?)@)?((((([\w.\(\)\\]+)([:]([\d]+))?)?)\/)?(([\w.]+)( \((.*)\))?)))");
std::smatch what;
if (!std::regex_match(info, what, DNS_RGX)) {
throw std::logic_error("connect invalid dns: " + info);
}
connection_info ci{};
ci.type = what[1].str();
ci.user = what[4].str();
ci.password = what[6].str();
// get connection part
ci.hostname = what[11].str();
if (what[13].matched) {
char *end;
ci.port = static_cast<unsigned short>(std::strtoul(what[13].str().c_str(), &end, 10));
} else {
ci.port = default_port;
}
// Should we just ignore the "instance" part?
// const std::string instance = what[5].str();
ci.database = what[15].str();
if (what[17].matched) {
ci.driver = what[17].str();
} else {
ci.driver = default_driver;
}
return ci;
}
std::string connection_info::to_string(const connection_info &ci) {
std::string dns{ci.type};
dns += "://";
if (!ci.user.empty()) {
dns += ci.user;
if (!ci.password.empty()) {
dns += ":" + ci.password;
}
}
if (!ci.hostname.empty()) {
dns += "@" + ci.hostname;
if (ci.port > 0) {
dns += ":" + std::to_string(ci.port);
}
}
if (!dns.empty()) {
dns += "/";
}
dns += ci.database;
if (!ci.driver.empty()) {
dns += " (" + ci.driver +")";
}
return dns;
}
}
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#include "matador/sql/dialect.hpp"
#include "matador/sql/interface/connection_impl.hpp"
#include "matador/utils/string.hpp"
namespace matador::sql {
const std::string& dialect::token_at(const dialect_token token) const
{
return tokens_.at(token);
}
const std::string &dialect::data_type_at(const utils::basic_type type) const
{
return data_types_.at(type);
}
std::string dialect::prepare_identifier(const column &col) const
{
std::string result;
if (!col.is_function()) {
if (!col.table_->name.empty()) {
result = prepare_identifier_string(col.table_->has_alias() ? col.table_->alias : col.table_->name) + ".";
}
result += prepare_identifier_string(col.name);
} else {
result = sql_func_map_.at(col.function_) + "(" + col.name + ")";
}
if (!col.alias.empty()) {
result += " AS " + col.alias;
}
return result;
}
std::string dialect::prepare_condition(const column& col) const
{
std::string result;
if (!col.is_function()) {
// if (!col.alias.empty()) {
// result = col.alias;
// } else {
if (!col.table_->name.empty()) {
result = prepare_identifier_string(col.table_->has_alias() ? col.table_->alias : col.table_->name) + ".";
}
result += prepare_identifier_string(col.name);
// }
} else {
result = sql_func_map_.at(col.function_) + "(" + col.name + ")";
}
return result;
}
const std::string& dialect::to_string(const bool val) const
{
return bool_strings_[static_cast<int>(val)];
}
void dialect::bool_strings(const std::string &true_string, const std::string &false_string)
{
bool_strings_[0] = false_string;
bool_strings_[1] = true_string;
}
std::string dialect::prepare_identifier_string(const std::string &col) const
{
auto parts = utils::split(col, '.');
for (auto &part : parts) {
escape_quotes_in_identifier(part);
quote_identifier(part);
}
return utils::join(parts, ".");
}
std::string dialect::prepare_literal(const std::string &str) const
{
std::string result(str);
escape_quotes_in_literals(result);
return result;
}
void dialect::quote_identifier(std::string &str) const
{
str.insert(0, token_at(dialect_token::START_QUOTE));
str += token_at(dialect_token::END_QUOTE);
}
void dialect::escape_quotes_in_identifier(std::string &str) const
{
const std::string open_char(token_at(dialect_token::START_QUOTE));
const std::string close_char(token_at(dialect_token::END_QUOTE));
if (identifier_escape_type() == escape_identifier_t::ESCAPE_CLOSING_BRACKET) {
utils::replace_all(str, close_char, close_char + close_char);
} else {
utils::replace_all(str, open_char, open_char + open_char);
}
}
void dialect::escape_quotes_in_literals(std::string &str) const
{
const std::string single_quote(token_at(dialect_token::STRING_QUOTE));
const std::string double_quote(token_at(dialect_token::STRING_QUOTE) + token_at(dialect_token::STRING_QUOTE));
utils::replace_all(str, single_quote, double_quote);
}
dialect::escape_identifier_t dialect::identifier_escape_type() const {
return identifier_escape_type_;
}
void dialect::identifier_escape_type(escape_identifier_t escape_identifier) {
identifier_escape_type_ = escape_identifier;
}
std::string dialect::next_placeholder(const std::vector<std::string> &bind_vars) const
{
return placeholder_func_(bind_vars.size());
}
std::string dialect::to_escaped_string(const utils::blob &value, const connection_impl *conn) const
{
if (conn != nullptr) {
return conn->to_escaped_string(value);
}
return {};
// return to_escaped_string_func_(value);
}
std::string dialect::default_schema_name() const
{
return default_schema_name_;
}
}
+59
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#include "matador/sql/dialect_builder.hpp"
namespace matador::sql {
dialect_builder &dialect_builder::builder()
{
static dialect_builder instance;
return instance;
}
dialect_builder &dialect_builder::create()
{
dialect_ = {};
return *this;
}
dialect_builder& dialect_builder::with_token_replace_map(const dialect::token_to_string_map &token_replace_map)
{
for (const auto &token : token_replace_map) {
dialect_.tokens_[token.first] = token.second;
}
return *this;
}
dialect_builder& dialect_builder::with_data_type_replace_map(const dialect::data_type_to_string_map &data_type_replace_map)
{
for (const auto &data_type : data_type_replace_map) {
dialect_.data_types_[data_type.first] = data_type.second;
}
return *this;
}
dialect_builder& dialect_builder::with_placeholder_func(const dialect::next_placeholder_func &func)
{
dialect_.placeholder_func_ = func;
return *this;
}
dialect_builder &dialect_builder::with_default_schema_name(const std::string &schema_name)
{
dialect_.default_schema_name_ = schema_name;
return *this;
}
dialect_builder &dialect_builder::with_bool_strings(const std::string &true_string, const std::string &false_string)
{
dialect_.bool_strings(true_string, false_string);
return *this;
}
dialect dialect_builder::build()
{
return std::move(dialect_);
}
}
+59
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#include "matador/sql/error_code.hpp"
namespace matador::sql {
const char * sql_category_impl::name() const noexcept {
return "sql";
}
std::string sql_category_impl::message(const int ev) const {
switch (static_cast<error_code>(ev)) {
case error_code::OK:
return "OK";
case error_code::INVALID_QUERY:
return "Invalid query";
case error_code::UNKNOWN_TABLE:
return "Unknown table";
case error_code::UNKNOWN_COLUMN:
return "Unknown column";
case error_code::BIND_FAILED:
return "Bind failed";
case error_code::EXECUTE_FAILED:
return "Execute failed";
case error_code::FETCH_FAILED:
return "Fetch failed";
case error_code::PREPARE_FAILED:
return "Prepare failed";
case error_code::DESCRIBE_FAILED:
return "Describe failed";
case error_code::TABLE_EXISTS_FAILED:
return "Table exists failed";
case error_code::RETRIEVE_DATA_FAILED:
return "Retrieve data failed";
case error_code::RESET_FAILED:
return "Reset failed";
case error_code::OPEN_ERROR:
return "Open failed";
case error_code::CLOSE_ERROR:
return "Close failed";
case error_code::FAILURE:
return "Failure";
default:
return "Unknown error";
}
}
const std::error_category & sql_category() {
static sql_category_impl instance;
return instance;
}
std::error_code make_error_code(error_code e) {
return {static_cast<int>(e), sql_category()};
}
std::error_condition make_error_condition(error_code e) {
return {static_cast<int>(e), sql_category()};
}
}
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#include "matador/sql/executor.hpp"
namespace matador::sql {
executor::~executor() = default;
}
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#include "matador/sql/field.hpp"
#include <ostream>
namespace matador::sql {
field::field(std::string name)
: name_(std::move(name))
, value_(nullptr)
{}
field::field(std::string name, const utils::basic_type dt, const size_t size, const int index)
: name_(std::move(name))
, index_(index)
, value_(dt, size) {}
field::field(field &&x) noexcept
: name_(std::move(x.name_))
, index_(x.index_)
, value_(std::move(x.value_))
{
x.value_ = nullptr;
x.index_ = -1;
}
field &field::operator=(field &&x) noexcept
{
name_ = std::move(x.name_);
index_ = x.index_;
value_ = std::move(x.value_);
x.index_ = -1;
x.value_ = nullptr;
return *this;
}
const std::string &field::name() const
{
return name_;
}
size_t field::size() const
{
return value_.size();
}
int field::index() const
{
return index_;
}
std::ostream &operator<<(std::ostream &out, const field &col)
{
out << col.str();
return out;
}
std::string field::str() const
{
return as<std::string>().value_or("");
}
bool field::is_integer() const
{
return value_.is_integer();
}
bool field::is_floating_point() const
{
return value_.is_floating_point();
}
bool field::is_bool() const
{
return value_.is_bool();
}
bool field::is_string() const
{
return value_.is_string();
}
bool field::is_varchar() const
{
return value_.is_varchar();
}
bool field::is_blob() const
{
return value_.is_blob();
}
bool field::is_null() const
{
return value_.is_null();
}
}
@@ -0,0 +1,20 @@
#include "matador/sql/interface/connection_impl.hpp"
#include "matador/sql/backend_provider.hpp"
namespace matador::sql {
connection_impl::connection_impl(const connection_info &info)
: info_(info)
, dialect_(backend_provider::instance().connection_dialect(info.type))
{}
const connection_info &connection_impl::info() const {
return info_;
}
const class dialect & connection_impl::dialect() const {
return dialect_;
}
}
@@ -0,0 +1,38 @@
#include "matador/sql/interface/query_result_reader.hpp"
#include "matador/utils/basic_types.hpp"
#include "matador/utils/convert.hpp"
#include "matador/utils/string.hpp"
#include "matador/utils/value.hpp"
namespace matador::sql {
template < typename Type >
void convert(const char *val_str, utils::value &val)
{
if (val_str == nullptr) {
val = utils::value(Type{});
return;
}
Type local_val{};
const auto res = utils::to<Type>(val_str);
val = *res;
}
// utils::blob query_result_reader::read_blob(const size_t index)
// {
// const auto *data = column(index);
// if (data == nullptr) {
// return {};
// }
// const auto len = strlen(data);
// const auto *bytes = reinterpret_cast<const unsigned char*>(data);
// return utils::blob{bytes, bytes+len};
// }
// utils::attribute_reader &query_result_reader::result_binder()
// {
// return empty_result_binder_;
// }
}
@@ -0,0 +1,41 @@
#include "matador/sql/interface/statement_impl.hpp"
namespace matador::sql {
statement_impl::statement_impl(query_context query)
: query_(std::move(query))
{}
void statement_impl::bind(const size_t pos, const char *value, const size_t size)
{
utils::data_type_traits<const char*>::bind_value(binder(), adjust_index(pos), value, size);
}
void statement_impl::bind(const size_t pos, std::string &val, const size_t size)
{
utils::data_type_traits<std::string>::bind_value(binder(), adjust_index(pos), val, size);
}
const std::vector<std::string> &statement_impl::bind_vars() const
{
return query_.bind_vars;
}
bool statement_impl::is_valid_host_var(const std::string &host_var, const size_t pos) const
{
const auto host_var_at_pos = bind_vars().at(pos);
return host_var_at_pos == host_var;
}
size_t statement_impl::start_index() const
{
return 0;
}
size_t statement_impl::adjust_index( size_t index ) const
{
return index;
}
}
@@ -0,0 +1,46 @@
#include "matador/sql/internal/object_result_binder.hpp"
#include "matador/utils/data_type_traits.hpp"
namespace matador::sql {
namespace detail {
void fk_result_binder::on_primary_key(const char * /*id*/, std::string &value, const size_t size)
{
utils::data_type_traits<std::string>::read_value(*binder_, id_, index_++, value, size);
}
}
void object_result_binder::reset()
{
index_ = 0;
}
void object_result_binder::on_primary_key(const char *id, std::string &value, const size_t size)
{
utils::data_type_traits<std::string>::read_value(*binder_, id, index_++, value, size);
}
void object_result_binder::on_revision(const char *id, uint64_t &value)
{
utils::data_type_traits<uint64_t>::read_value(*binder_, id, index_++, value);
}
void object_result_binder::on_attribute(const char *id, char *value, const utils::field_attributes &attr)
{
utils::data_type_traits<char*>::read_value(*binder_, id, index_++, value, attr.size());
}
void object_result_binder::on_attribute(const char *id, std::string &value, const utils::field_attributes &attr)
{
utils::data_type_traits<std::string>::read_value(*binder_, id, index_++, value, attr.size());
}
void object_result_binder::on_attribute(const char * /*id*/, utils::value &/*val*/, const utils::field_attributes &/*attr*/)
{
// utils::data_type_traits<utils::value>::read_value(*binder_, id, index_++, val);
}
}
@@ -0,0 +1,30 @@
#include "matador/sql/object_parameter_binder.hpp"
#include "matador/sql/interface/parameter_binder.hpp"
namespace matador::sql {
namespace detail {
void fk_binder::on_primary_key(const char * /*id*/, std::string &value, size_t /*size*/)
{
utils::data_type_traits<std::string>::bind_value(*binder_, index_++, value);
}
}
void object_parameter_binder::reset(const size_t start_index)
{
index_ = start_index;
}
void object_parameter_binder::on_primary_key(const char * /*id*/, std::string &val, const size_t size)
{
utils::data_type_traits<std::string>::bind_value(*binder_, index_++, val, size);
}
void object_parameter_binder::on_revision(const char * /*id*/, uint64_t &rev)
{
utils::data_type_traits<uint64_t>::bind_value(*binder_, index_++, rev);
}
}
+19
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#include "matador/sql/query_result.hpp"
#include "matador/sql/record.hpp"
#include "matador/sql/internal/query_result_impl.hpp"
namespace matador::sql::detail {
template<>
record *create_prototype<record>(const std::vector<column_definition> &prototype)
{
auto result = std::make_unique<record>();
for (const auto &col: prototype) {
result->append({col.name(), col.type(), col.attributes().size(), col.index()});
}
return result.release();
}
} // namespace matador::sql
+165
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#include "matador/sql/record.hpp"
#include "matador/sql/column.hpp"
#include <algorithm>
#include <stdexcept>
namespace matador::sql {
record::record(std::initializer_list<field> columns)
{
for (auto &&col :columns) {
const auto it = fields_by_name_.emplace(col.name(), field_index_pair {col, fields_.size()});
fields_.push_back(std::ref(it.first->second.first));
}
}
record::record(const std::vector<field> &columns)
{
for (auto &&col :columns) {
const auto it = fields_by_name_.emplace(col.name(), field_index_pair {col, fields_.size()});
fields_.push_back(std::ref(it.first->second.first));
}
}
record::record(const record &x)
: fields_by_name_(x.fields_by_name_)
//, pk_index_(x.pk_index_)
{
for (auto& col : x.fields_) {
auto &it = fields_by_name_.at(col.get().name());
fields_.push_back(std::ref(it.first));
}
}
record &record::operator=(const record &x)
{
if (&x == this) {
return *this;
}
fields_by_name_ = x.fields_by_name_;
fields_.clear();
// pk_index_ = x.pk_index_;
for (auto& col : x.fields_) {
auto &it = fields_by_name_.at(col.get().name());
fields_.push_back(std::ref(it.first));
}
return *this;
}
const std::vector<record::field_ref> &record::columns() const
{
return fields_;
}
//bool record::has_primary_key() const
//{
// return pk_index_ > -1;
//}
//
//std::optional<field> record::primary_key() const
//{
// if (!has_primary_key()) {
// return std::nullopt;
// }
//
// return columns_[pk_index_];
//}
const field &record::at(const column &col) const
{
const auto &res = fields_by_name_.at(col.name);
const auto &f = res.first;
return f;
}
const field &record::at(size_t index) const
{
return fields_.at(index);
}
record::iterator record::find(const std::string &column_name)
{
auto it = fields_by_name_.find(column_name);
return it != fields_by_name_.end() ? fields_.begin() + it->second.second : fields_.end();
}
record::const_iterator record::find(const std::string &column_name) const {
auto it = fields_by_name_.find(column_name);
return it != fields_by_name_.end() ? fields_.begin() + it->second.second : fields_.end();
}
void record::append(const field &col)
{
const auto it = fields_by_name_.emplace(col.name(), field_index_pair {col, fields_.size()});
fields_.push_back(std::ref(it.first->second.first));
}
record::iterator record::begin()
{
return fields_.begin();
}
record::const_iterator record::begin() const
{
return fields_.begin();
}
record::const_iterator record::cbegin() const
{
return fields_.cbegin();
}
record::iterator record::end()
{
return fields_.end();
}
record::const_iterator record::end() const
{
return fields_.end();
}
record::const_iterator record::cend() const
{
return fields_.cend();
}
size_t record::size() const
{
return fields_.size();
}
bool record::empty() const
{
return fields_.empty();
}
void record::clear()
{
fields_.clear();
fields_by_name_.clear();
}
//bool record::unknown() const
//{
// return std::all_of(std::begin(columns_), std::end(columns_), [](const auto &col) {
// return col.type() == data_type_t::type_unknown;
// });
//}
void record::init()
{
size_t index{0};
for(auto &col : fields_) {
add_to_map(col, index++);
}
}
void record::add_to_map(field &col, size_t index)
{
fields_by_name_.emplace(col.name(), field_index_pair {std::ref(col), index});
}
}
+73
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#include "matador/sql/statement.hpp"
#include "matador/sql/record.hpp"
#include "matador/sql/field.hpp"
#include <algorithm>
namespace matador::sql {
statement::statement(std::unique_ptr<statement_impl> impl, const std::shared_ptr<abstract_sql_logger> &logger)
: statement_(std::move(impl))
, logger_(logger)
{}
statement &statement::bind(const size_t pos, const char *value)
{
statement_->bind(pos, value, 0);
return *this;
}
statement &statement::bind(const size_t pos, std::string &val, const size_t size)
{
statement_->bind(pos, val, size);
return *this;
}
utils::result<size_t, utils::error> statement::execute() const
{
// logger_.info(statement_->query_.sql);
return statement_->execute();
}
//bool is_unknown(const std::vector<sql::column_definition> &columns) {
// return std::all_of(std::begin(columns), std::end(columns), [](const auto &col) {
// return col.is_unknown();
// });
//}
utils::result<query_result<record>, utils::error> statement::fetch() const
{
// if (is_unknown(statement_->query_.prototype)) {
//
// }
auto result = statement_->fetch();
if (!result.is_ok()) {
return utils::failure(result.err());
}
// logger_.info(statement_->query_.sql);
return utils::ok(query_result<record>{std::move(*result)});
}
utils::result<std::optional<record>, utils::error> statement::fetch_one() const {
// logger_.info(statement_->query_.sql);
auto result = statement_->fetch();
if (!result.is_ok()) {
return utils::failure(result.err());
}
query_result<record> records(std::move(*result));
auto first = records.begin();
if (first == records.end()) {
return utils::ok(std::optional<record>{std::nullopt});
}
return utils::ok(std::optional{*first.release()});
}
void statement::reset() const
{
statement_->reset();
}
}
+44
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@@ -0,0 +1,44 @@
#include "matador/sql/table.hpp"
namespace matador::sql {
table::table(const char* name)
: table(std::string(name))
{}
table::table(std::string name)
: name(std::move(name))
{}
table::table(const char *name, std::string as)
: name(name)
, alias(std::move(as))
{}
table::table(std::string name, std::string as)
: name(std::move(name))
, alias(std::move(as))
{}
bool table::operator==( const table& x ) const {
return name == x.name;
}
table & table::as(const std::string &a) {
alias = a;
return *this;
}
table table::as(const std::string &a) const {
return { name, a, columns };
}
bool table::has_alias() const {
return !alias.empty();
}
table operator ""_tab(const char *name, size_t len) {
return {{name, len}};
}
}