90 lines
2.0 KiB
C++
90 lines
2.0 KiB
C++
#include "matador/sql/column.hpp"
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#include "matador/sql/table.hpp"
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#include <stdexcept>
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#include <utility>
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namespace matador::sql {
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column operator ""_col(const char *name, size_t len) {
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const std::string str(name, len);
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const auto pos = str.find('.');
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if (pos == std::string::npos) {
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return column{str};
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}
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if (str.find('.', pos + 1) != std::string::npos) {
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throw std::invalid_argument("Invalid column name: multiple dots found");
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}
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return column{table{str.substr(0, pos)}, str.substr(pos + 1)};
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}
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column::column(const char *name, const std::string& as)
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: column(std::string(name), as)
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{}
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column::column(std::string name, std::string as)
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: table_(std::make_shared<sql::table>())
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, name(std::move(name))
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, alias(std::move(as)) {}
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column::column(const sql_function_t func, std::string name)
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: table_(std::make_shared<sql::table>())
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, name(std::move(name))
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, function_(func) {}
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column::column(const sql::table& tab, std::string name, std::string as)
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: table_(std::make_shared<sql::table>(tab))
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, name(std::move(name))
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, alias(std::move(as)) {
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table_->columns.push_back(*this);
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}
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column::column(const std::shared_ptr<sql::table>& t, std::string name, std::string as)
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: table_(t)
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, name(std::move(name))
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, alias(std::move(as)) {
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}
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bool column::equals(const column &x) const {
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return *table_ == *x.table_ &&
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name == x.name &&
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alias == x.alias &&
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function_ == x.function_;
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}
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column &column::as(std::string a) {
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alias = std::move(a);
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return *this;
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}
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const std::string& column::column_name() const {
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return name;
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}
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std::string column::full_name() const {
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if (table_ && !table_->name.empty()) {
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return table_->name + "." + name;
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}
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return name;
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}
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const std::string& column::alias_name() const {
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return alias;
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}
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bool column::is_function() const {
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return function_ != sql_function_t::NONE;
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}
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bool column::has_alias() const {
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return !alias.empty();
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}
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std::shared_ptr<table> column::table() const {
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return table_;
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}
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} |