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91 lines
4.4 KiB
C++
91 lines
4.4 KiB
C++
/*
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* Copyright (c) 2016-2022, 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,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or 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 DISCLAIMED.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "Sample.h"
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#include "compare.h"
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#include <sqlpp11/sqlpp11.h>
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#include <iostream>
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SQLPP_ALIAS_PROVIDER(pragma)
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int CustomQuery(int, char*[])
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{
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const auto foo = test::TabFoo{};
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const auto bar = test::TabBar{};
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// Unconditionally
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compare(__LINE__,
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custom_query(sqlpp::select(), select_flags(sqlpp::distinct), select_columns(foo.doubleN), from(foo),
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sqlpp::unconditionally()),
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"SELECT DISTINCT tab_foo.double_n FROM tab_foo ");
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// A full select statement made individual clauses
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compare(__LINE__,
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custom_query(sqlpp::select(), select_flags(sqlpp::distinct), select_columns(foo.doubleN),
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from(foo.join(bar).on(foo.doubleN == bar.id)), where(bar.id > 17), group_by(foo.doubleN),
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having(avg(bar.id) > 19), order_by(foo.doubleN.asc()), sqlpp::limit(10u), sqlpp::offset(100u)),
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"SELECT DISTINCT tab_foo.double_n FROM tab_foo INNER JOIN tab_bar ON (tab_foo.double_n = tab_bar.id) WHERE "
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"(tab_bar.id > 17) GROUP BY tab_foo.double_n HAVING (AVG(tab_bar.id) > 19) ORDER BY tab_foo.double_n ASC "
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"LIMIT 10 OFFSET 100");
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// A full select statement made individual clauses
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compare(
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__LINE__,
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custom_query(sqlpp::select(), select_flags(sqlpp::distinct), select_columns(foo.doubleN),
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from(foo.join(bar).on(foo.doubleN == bar.id)), where(bar.id > 17),
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group_by(foo.doubleN), having(avg(bar.id) > 19),
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order_by(foo.doubleN.asc(), foo.uIntN.order(sqlpp::sort_type::desc)),
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sqlpp::limit(7u), sqlpp::offset(3u)),
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"SELECT DISTINCT tab_foo.double_n FROM tab_foo INNER JOIN tab_bar ON (tab_foo.double_n = tab_bar.id) WHERE "
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"(tab_bar.id > 17) GROUP BY tab_foo.double_n HAVING (AVG(tab_bar.id) > 19) ORDER BY tab_foo.double_n "
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"ASC,tab_foo.u_int_n DESC LIMIT 7 OFFSET 3");
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// A pragma query for sqlite
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compare(__LINE__,
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custom_query(sqlpp::verbatim("PRAGMA user_version")).with_result_type_of(select(sqlpp::value(1).as(pragma))),
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" PRAGMA user_version");
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// An insert from select for postgresql
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const auto x = 17;
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compare(__LINE__,
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custom_query(insert_into(foo).columns(foo.doubleN),
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select(sqlpp::value(x).as(foo.doubleN))
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.from(foo)
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.where(not exists(select(foo.doubleN).from(foo).where(foo.doubleN == x)))),
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"INSERT INTO tab_foo (double_n) "
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"SELECT 17 AS double_n FROM tab_foo "
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"WHERE (NOT EXISTS(SELECT tab_foo.double_n FROM tab_foo WHERE (tab_foo.double_n = 17)))");
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// A multi-row "insert or ignore"
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auto batch = insert_columns(bar.textN, bar.boolNn);
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batch.add_values(bar.textN = "sample", bar.boolNn = true);
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batch.add_values(bar.textN = "ample", bar.boolNn = false);
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compare(__LINE__, custom_query(sqlpp::insert(), sqlpp::verbatim(" OR IGNORE"), into(bar), batch),
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"INSERT OR IGNORE INTO tab_bar (text_n,bool_nn) VALUES ('sample',1),('ample',0)");
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return 0;
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}
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