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89 lines
3.1 KiB
C++
89 lines
3.1 KiB
C++
/*
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* Copyright (c) 2013-2015, Roland Bock
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright notice, this
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* list of conditions and the following disclaimer in the documentation and/or
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* other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SQLPP11_SCHEMA_QUALIFIED_TABLE_H
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#define SQLPP11_SCHEMA_QUALIFIED_TABLE_H
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#include <sqlpp11/column_fwd.h>
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#include <sqlpp11/serialize.h>
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#include <sqlpp11/type_traits.h>
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#include <sqlpp11/schema.h>
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#include <sqlpp11/table_alias.h>
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#include <sqlpp11/detail/type_set.h>
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#include <utility>
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namespace sqlpp
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{
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template <typename Table>
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struct schema_qualified_table_t
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{
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using _traits = make_traits<value_type_of<Table>, tag::is_table>;
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using _nodes = detail::type_vector<>;
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using _required_ctes = detail::type_set<>;
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using _provided_tables = detail::type_set<>;
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schema_qualified_table_t(schema_t schema, Table table) : _schema(std::move(schema)), _table(table)
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{
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}
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template <typename AliasProvider>
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typename Table::template _foreign_table_alias_t<AliasProvider, schema_qualified_table_t> as(
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const AliasProvider& /*unused*/) const
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{
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return {*this};
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}
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schema_t _schema;
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Table _table;
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};
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template <typename Context, typename Table>
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Context& serialize(const schema_qualified_table_t<Table>& t, Context& context)
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{
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serialize(t._schema, context);
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context << '.';
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serialize(t._table, context);
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return context;
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}
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template <typename Table>
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auto schema_qualified_table(schema_t schema, Table table) -> schema_qualified_table_t<Table>
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{
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static_assert(required_tables_of<Table>::size::value == 0,
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"schema qualified tables must not depend on other tables");
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static_assert(required_ctes_of<Table>::size::value == 0,
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"schema qualified tables must not depend on common table expressions");
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static_assert(is_raw_table_t<Table>::value,
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"table must be a raw table, i.e. not an alias or common table expression");
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return {schema, table};
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}
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} // namespace sqlpp
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#endif
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