76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
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/*
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* Copyright (c) 2015 - 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 <cassert>
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#include <sqlpp11/sqlite3/connection.h>
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#include <sqlpp11/sqlpp11.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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namespace sql = sqlpp::sqlite3;
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int Attach(int, char*[])
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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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// Opening a connection to an in-memory database and creating a table in it
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sql::connection db(config);
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db.execute(R"(CREATE TABLE tab_sample (
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alpha INTEGER PRIMARY KEY,
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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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// Attaching another in-memory database and creating the same table in it
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auto other = db.attach(config, "other");
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db.execute(R"(CREATE TABLE other.tab_sample (
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alpha INTEGER PRIMARY KEY,
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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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auto left = TabSample{};
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auto right =
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schema_qualified_table(other, TabSample{}).as(sqlpp::alias::right); // this is a table in the attached database
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// inserting in one tab_sample
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db(insert_into(left).default_values());
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// selecting from the other tab_sample
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assert(db(select(all_of(right)).from(right).unconditionally()).empty());
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return 0;
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}
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