tqcq
99c258107b
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Co-authored-by: tqcq <99722391+tqcq@users.noreply.github.com> Reviewed-on: #2
89 lines
3.2 KiB
C++
89 lines
3.2 KiB
C++
/*
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* Copyright (c) 2013 - 2016, 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 "TabSample.h"
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#include <sqlpp11/alias_provider.h>
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#include <sqlpp11/functions.h>
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#include <sqlpp11/insert.h>
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#include <sqlpp11/remove.h>
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#include <sqlpp11/select.h>
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#include <sqlpp11/sqlite3/connection.h>
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#include <sqlpp11/transaction.h>
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#include <sqlpp11/update.h>
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#ifdef SQLPP_USE_SQLCIPHER
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#include <sqlcipher/sqlite3.h>
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#else
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#include <sqlite3.h>
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#endif
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#include <iostream>
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#include <vector>
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#include <sqlpp11/sqlite3/dynamic_libsqlite3.h>
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SQLPP_ALIAS_PROVIDER(left)
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namespace sql = sqlpp::sqlite3;
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int main()
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{
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sql::connection_config config;
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config.path_to_database = ":memory:";
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config.flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE;
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config.debug = true;
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sql::connection db(config);
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db.execute("CREATE TABLE tab_sample (\
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alpha bigint(20) DEFAULT NULL,\
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beta varchar(255) DEFAULT NULL,\
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gamma bool DEFAULT NULL\
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)");
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const auto tab = TabSample{};
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auto i = insert_into(tab).columns(tab.beta, tab.gamma);
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i.values.add(tab.beta = "rhabarbertorte", tab.gamma = false);
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// i.values.add(tab.beta = "cheesecake", tab.gamma = false)
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// i.values.add(tab.beta = "kaesekuchen", tab.gamma = true)
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auto last_insert_rowid = db(i);
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std::cerr << "last insert rowid: " << last_insert_rowid << std::endl;
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// Just to demonstrate that you can call basically any function
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std::cerr << "last insert rowid: "
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<< db(select(sqlpp::verbatim<sqlpp::integer>("last_insert_rowid()").as(tab.alpha))).front().alpha
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<< std::endl;
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// select a static (alpha) and a dynamic column (beta)
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auto s = dynamic_select(db).dynamic_columns(tab.alpha.as(left)).from(tab).unconditionally();
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s.selected_columns.add(tab.beta);
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s.selected_columns.add(tab.gamma);
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for (const auto& row : db(s))
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{
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std::cerr << "row.alpha: " << row.left << ", row.beta: " << row.at("beta") << ", row.gamma: " << row.at("gamma")
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<< std::endl;
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};
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return 0;
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}
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