51 lines
2.0 KiB
C++
51 lines
2.0 KiB
C++
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/*
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* Copyright (c) 2016-2021, 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(sample)
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int TableAlias(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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// Individual values
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compare(__LINE__, foo.as(bar), "tab_foo AS tab_bar");
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compare(__LINE__, select(foo.omega).from(foo).unconditionally().as(bar),
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"(SELECT tab_foo.omega FROM tab_foo) AS tab_bar");
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// Table alias
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const auto tab = foo.as(sample);
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compare(__LINE__, select(tab.omega).from(tab).unconditionally(),
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"SELECT sample.omega FROM tab_foo AS sample");
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return 0;
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}
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