44 lines
1.6 KiB
C++
44 lines
1.6 KiB
C++
#include "matador/query/condition.hpp"
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namespace matador::query {
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condition<sql::column, utils::placeholder>::condition(const sql::column &fld, const operand_type op, const utils::placeholder &val)
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: basic_column_condition(fld, op), value(val)
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{}
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std::string condition<sql::column, utils::placeholder>::evaluate(const sql::dialect &d, sql::query_context &query) const
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{
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query.bind_vars.emplace_back(field_.name);
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return d.prepare_identifier(field_) + " " + operand + " " + d.next_placeholder(query.bind_vars);
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}
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condition<sql::column, sql::query_context>::condition(sql::column col, const operand_type op, sql::query_context &q)
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: basic_column_condition(std::move(col), op), query_(q)
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{}
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std::string condition<sql::column, sql::query_context>::evaluate(const sql::dialect &d, sql::query_context &/*query*/) const
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{
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std::string result(d.prepare_identifier(field_) + " " + operand + " (");
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result += query_.sql;
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result += ")";
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return result;
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}
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std::string condition<sql::column, sql::column>::evaluate(const sql::dialect &d, sql::query_context &/*query*/) const {
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return d.prepare_condition(field_) + " " + operand + " " + d.prepare_condition(other_column_);
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}
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condition<sql::column, sql::query_context> in(const sql::column &col, sql::query_context &&q)
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{
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return {col, basic_condition::operand_type::IN_LIST, q};
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}
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condition<sql::column, std::string> like(const sql::column &col, const std::string &val) {
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return { col, basic_condition::operand_type::LIKE, val };
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}
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condition<sql::column, sql::column> operator==(const sql::column &a, const sql::column &b)
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{
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return {a, basic_condition::operand_type::EQUAL, b};
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}
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} |