137 lines
3.6 KiB
C++
137 lines
3.6 KiB
C++
#include "matador/sql/dialect.hpp"
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#include "matador/sql/interface/connection_impl.hpp"
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#include "matador/utils/string.hpp"
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namespace matador::sql {
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const std::string& dialect::token_at(const dialect_token token) const
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{
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return tokens_.at(token);
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}
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const std::string &dialect::data_type_at(const utils::basic_type type) const
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{
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return data_types_.at(type);
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}
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std::string dialect::prepare_identifier(const column &col) const
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{
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std::string result;
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if (!col.is_function()) {
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if (!col.table_->name.empty()) {
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result = prepare_identifier_string(col.table_->has_alias() ? col.table_->alias : col.table_->name) + ".";
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}
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result += prepare_identifier_string(col.name);
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} else {
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result = sql_func_map_.at(col.function_) + "(" + col.name + ")";
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}
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if (!col.alias.empty()) {
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result += " AS " + col.alias;
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}
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return result;
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}
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std::string dialect::prepare_condition(const column& col) const
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{
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std::string result;
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if (!col.is_function()) {
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// if (!col.alias.empty()) {
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// result = col.alias;
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// } else {
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if (!col.table_->name.empty()) {
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result = prepare_identifier_string(col.table_->has_alias() ? col.table_->alias : col.table_->name) + ".";
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}
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result += prepare_identifier_string(col.name);
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// }
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} else {
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result = sql_func_map_.at(col.function_) + "(" + col.name + ")";
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}
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return result;
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}
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const std::string& dialect::to_string(const bool val) const
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{
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return bool_strings_[static_cast<int>(val)];
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}
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void dialect::bool_strings(const std::string &true_string, const std::string &false_string)
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{
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bool_strings_[0] = false_string;
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bool_strings_[1] = true_string;
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}
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std::string dialect::prepare_identifier_string(const std::string &col) const
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{
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auto parts = utils::split(col, '.');
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for (auto &part : parts) {
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escape_quotes_in_identifier(part);
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quote_identifier(part);
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}
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return utils::join(parts, ".");
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}
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std::string dialect::prepare_literal(const std::string &str) const
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{
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std::string result(str);
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escape_quotes_in_literals(result);
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return result;
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}
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void dialect::quote_identifier(std::string &str) const
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{
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str.insert(0, token_at(dialect_token::START_QUOTE));
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str += token_at(dialect_token::END_QUOTE);
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}
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void dialect::escape_quotes_in_identifier(std::string &str) const
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{
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const std::string open_char(token_at(dialect_token::START_QUOTE));
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const std::string close_char(token_at(dialect_token::END_QUOTE));
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if (identifier_escape_type() == escape_identifier_t::ESCAPE_CLOSING_BRACKET) {
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utils::replace_all(str, close_char, close_char + close_char);
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} else {
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utils::replace_all(str, open_char, open_char + open_char);
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}
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}
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void dialect::escape_quotes_in_literals(std::string &str) const
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{
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const std::string single_quote(token_at(dialect_token::STRING_QUOTE));
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const std::string double_quote(token_at(dialect_token::STRING_QUOTE) + token_at(dialect_token::STRING_QUOTE));
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utils::replace_all(str, single_quote, double_quote);
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}
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dialect::escape_identifier_t dialect::identifier_escape_type() const {
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return identifier_escape_type_;
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}
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void dialect::identifier_escape_type(escape_identifier_t escape_identifier) {
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identifier_escape_type_ = escape_identifier;
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}
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std::string dialect::next_placeholder(const std::vector<std::string> &bind_vars) const
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{
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return placeholder_func_(bind_vars.size());
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}
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std::string dialect::to_escaped_string(const utils::blob &value, const connection_impl *conn) const
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{
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if (conn != nullptr) {
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return conn->to_escaped_string(value);
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}
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return {};
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// return to_escaped_string_func_(value);
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}
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std::string dialect::default_schema_name() const
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{
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return default_schema_name_;
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}
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}
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