Importing NetBSD "Kyua" test framework
To do so, a few dependencies have been imported: * external/bsd/lutok * external/mit/lua * external/public-domain/sqlite * external/public-domain/xz The Kyua framework is the new generation of ATF (Automated Test Framework), it is composed of: * external/bsd/atf * external/bsd/kyua-atf-compat * external/bsd/kyua-cli * external/bsd/kyua-tester * tests Kyua/ATF being written in C++, it depends on libstdc++ which is provided by GCC. As this is not part of the sources, Kyua is only compiled when the native GCC utils are installed. To install Kyua do the following: * In a cross-build enviromnent, add the following to the build.sh commandline: -V MKBINUTILS=yes -V MKGCCCMDS=yes WARNING: At this point the import is still experimental, and not supported on native builds (a.k.a make build). Change-Id: I26aee23c5bbd2d64adcb7c1beb98fe0d479d7ada
This commit is contained in:
292
external/bsd/kyua-cli/dist/utils/sqlite/database.cpp
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292
external/bsd/kyua-cli/dist/utils/sqlite/database.cpp
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// Copyright 2011 Google Inc.
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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
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// 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
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// 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
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include "utils/sqlite/database.hpp"
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extern "C" {
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#include <sqlite3.h>
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}
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#include <stdexcept>
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#include "utils/format/macros.hpp"
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#include "utils/logging/macros.hpp"
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#include "utils/sanity.hpp"
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#include "utils/sqlite/exceptions.hpp"
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#include "utils/sqlite/statement.ipp"
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#include "utils/sqlite/transaction.hpp"
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namespace sqlite = utils::sqlite;
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/// Internal implementation for sqlite::database.
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struct utils::sqlite::database::impl {
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/// The SQLite 3 internal database.
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::sqlite3* db;
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/// Whether we own the database or not (to decide if we close it).
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bool owned;
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/// Constructor.
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///
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/// \param db_ The SQLite internal database.
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/// \param owned_ Whether this object owns the db_ object or not. If it
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/// does, the internal db_ will be released during destruction.
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impl(::sqlite3* db_, const bool owned_) :
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db(db_),
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owned(owned_)
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{
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}
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/// Destructor.
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///
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/// It is important to keep this as part of the 'impl' class instead of the
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/// container class. The 'impl' class is destroyed exactly once (because it
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/// is managed by a shared_ptr) and thus releasing the resources here is
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/// OK. However, the container class is potentially released many times,
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/// which means that we would be double-freeing the internal object and
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/// reusing invalid data.
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~impl(void)
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{
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if (owned && db != NULL)
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close();
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}
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/// Exception-safe version of sqlite3_open_v2.
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///
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/// \param file The path to the database file to be opened.
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/// \param flags The flags to be passed to the open routine.
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///
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/// \return The opened database.
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///
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/// \throw std::bad_alloc If there is not enough memory to open the
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/// database.
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/// \throw api_error If there is any problem opening the database.
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static ::sqlite3*
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safe_open(const char* file, const int flags)
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{
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::sqlite3* db;
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const int error = ::sqlite3_open_v2(file, &db, flags, NULL);
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if (error != SQLITE_OK) {
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if (db == NULL)
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throw std::bad_alloc();
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else {
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sqlite::database error_db(db, true);
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throw sqlite::api_error::from_database(error_db,
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"sqlite3_open_v2");
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}
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}
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INV(db != NULL);
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return db;
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}
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/// Shared code for the public close() method.
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void
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close(void)
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{
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PRE(db != NULL);
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int error = ::sqlite3_close(db);
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// For now, let's consider a return of SQLITE_BUSY an error. We should
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// not be trying to close a busy database in our code. Maybe revisit
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// this later to raise busy errors as exceptions.
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PRE(error == SQLITE_OK);
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db = NULL;
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}
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};
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/// Initializes the SQLite database.
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///
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/// You must share the same database object alongside the lifetime of your
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/// SQLite session. As soon as the object is destroyed, the session is
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/// terminated.
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///
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/// \param db_ Raw pointer to the C SQLite 3 object.
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/// \param owned_ Whether this instance will own the pointer or not.
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sqlite::database::database(void* db_, const bool owned_) :
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_pimpl(new impl(static_cast< ::sqlite3* >(db_), owned_))
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{
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}
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/// Destructor for the SQLite 3 database.
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///
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/// Closes the session unless it has already been closed by calling the
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/// close() method. It is recommended to explicitly close the session in the
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/// code.
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sqlite::database::~database(void)
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{
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}
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/// Opens a memory-based temporary SQLite database.
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///
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/// \return An in-memory database instance.
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///
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/// \throw std::bad_alloc If there is not enough memory to open the database.
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/// \throw api_error If there is any problem opening the database.
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sqlite::database
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sqlite::database::in_memory(void)
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{
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return database(impl::safe_open(":memory:", SQLITE_OPEN_READWRITE), true);
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}
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/// Opens a named on-disk SQLite database.
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///
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/// \param file The path to the database file to be opened. This does not
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/// accept the values "" and ":memory:"; use temporary() and in_memory()
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/// instead.
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/// \param open_flags The flags to be passed to the open routine.
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///
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/// \return A file-backed database instance.
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///
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/// \throw std::bad_alloc If there is not enough memory to open the database.
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/// \throw api_error If there is any problem opening the database.
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sqlite::database
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sqlite::database::open(const fs::path& file, int open_flags)
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{
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PRE_MSG(!file.str().empty(), "Use database::temporary() instead");
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PRE_MSG(file.str() != ":memory:", "Use database::in_memory() instead");
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int flags = 0;
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if (open_flags & open_readonly) {
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flags |= SQLITE_OPEN_READONLY;
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open_flags &= ~open_readonly;
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}
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if (open_flags & open_readwrite) {
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flags |= SQLITE_OPEN_READWRITE;
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open_flags &= ~open_readwrite;
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}
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if (open_flags & open_create) {
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flags |= SQLITE_OPEN_CREATE;
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open_flags &= ~open_create;
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}
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PRE(open_flags == 0);
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return database(impl::safe_open(file.c_str(), flags), true);
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}
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/// Opens an unnamed on-disk SQLite database.
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///
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/// \return A file-backed database instance.
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///
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/// \throw std::bad_alloc If there is not enough memory to open the database.
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/// \throw api_error If there is any problem opening the database.
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sqlite::database
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sqlite::database::temporary(void)
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{
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return database(impl::safe_open("", SQLITE_OPEN_READWRITE), true);
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}
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/// Gets the internal sqlite3 object.
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///
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/// \return The raw SQLite 3 database. This is returned as a void pointer to
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/// prevent including the sqlite3.h header file from our public interface. The
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/// only way to call this method is by using the c_gate module, and c_gate takes
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/// care of casting this object to the appropriate type.
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void*
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sqlite::database::raw_database(void)
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{
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return _pimpl->db;
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}
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/// Terminates the connection to the database.
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///
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/// It is recommended to call this instead of relying on the destructor to do
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/// the cleanup, but it is not a requirement to use close().
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///
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/// \pre close() has not yet been called.
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void
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sqlite::database::close(void)
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{
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_pimpl->close();
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}
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/// Executes an arbitrary SQL string.
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///
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/// As the documentation explains, this is unsafe. The code should really be
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/// preparing statements and executing them step by step. However, it is
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/// perfectly fine to use this function for, e.g. the initial creation of
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/// tables in a database and in tests.
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///
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/// \param sql The SQL commands to be executed.
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///
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/// \throw api_error If there is any problem while processing the SQL.
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void
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sqlite::database::exec(const std::string& sql)
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{
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const int error = ::sqlite3_exec(_pimpl->db, sql.c_str(), NULL, NULL, NULL);
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if (error != SQLITE_OK)
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throw api_error::from_database(*this, "sqlite3_exec");
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}
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/// Opens a new transaction.
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///
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/// \return An object representing the state of the transaction.
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///
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/// \throw api_error If there is any problem while opening the transaction.
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sqlite::transaction
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sqlite::database::begin_transaction(void)
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{
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exec("BEGIN TRANSACTION");
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return transaction(*this);
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}
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/// Prepares a new statement.
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///
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/// \param sql The SQL statement to prepare.
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///
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/// \return The prepared statement.
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sqlite::statement
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sqlite::database::create_statement(const std::string& sql)
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{
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LD(F("Creating statement: %s") % sql);
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sqlite3_stmt* stmt;
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const int error = ::sqlite3_prepare_v2(_pimpl->db, sql.c_str(),
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sql.length() + 1, &stmt, NULL);
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if (error != SQLITE_OK)
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throw api_error::from_database(*this, "sqlite3_prepare_v2");
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return statement(*this, static_cast< void* >(stmt));
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}
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/// Returns the row identifier of the last insert.
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///
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/// \return A row identifier.
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int64_t
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sqlite::database::last_insert_rowid(void)
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{
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return ::sqlite3_last_insert_rowid(_pimpl->db);
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}
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