45 lines
1.0 KiB
C
45 lines
1.0 KiB
C
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/**
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* @file mix_cc/sql/delete_from.h
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* @brief 删除 语句
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* @author Cat (null.null.null@qq.com)
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* @version 0.1
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* @date 2021-09-17
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*
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* Copyright: Baosight Co. Ltd.
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* DO NOT COPY/USE WITHOUT PERMISSION
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*
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*/
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#pragma once
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#include <mix_cc/sql/public.h>
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#include <mix_cc/sql/column.h>
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#include <mix_cc/sql/statement.h>
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#include <mix_cc/sql/set.h>
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namespace mix_cc {
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namespace sql {
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template <typename Tab>
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struct delete_from_t : public prev_statement_t<void>, public statement_t {
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static constexpr auto s_text = op::cmd_t::delete_from;
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constexpr explicit delete_from_t(Tab table)
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: prev_statement_t<void>(), table_(table) {}
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template <typename... Conditions>
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constexpr auto where(Conditions... conditions) {
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return where_t(*this, conditions...);
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}
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constexpr auto get_command() {
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return s_text + " "_s + table_.get_table_name();
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}
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public:
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Tab table_;
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};
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template <typename Tab>
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auto delete_from(Tab table) {
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return delete_from_t<Tab>(table);
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}
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} // namespace sql
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} // namespace mix_cc
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