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http://bzr.ed.am/sqlite3cc
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/* |
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* basic_statement.cc |
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* |
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* Copyright (C) 2009 Tim Marston <tim@ed.am> |
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* |
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* This file is part of sqlite3cc (hereafter referred to as "this program"). |
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* See http://ed.am/dev/sqlite3cc for more information. |
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* |
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* This program is free software: you can redistribute it and/or modify it under |
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* the terms of the GNU Lesser General Public License as published by the Free |
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* Software Foundation, either version 3 of the License, or (at your option) any |
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* later version. |
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* |
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* This program is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more |
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* details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include <sqlite3cc/basic_statement.h> |
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#include <sqlite3cc/exception.h> |
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#include <sqlite3cc/connection.h> |
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#include <sqlite3cc/manipulator.h> |
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sqlite::detail::basic_statement::basic_statement( |
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connection &connection, |
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const std::string &sql ) |
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: |
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_connection( connection ), |
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_handle( NULL ), |
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_bind_index( 1 ) |
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{
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int code = prepare( sql ); |
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if( code != SQLITE_OK ) throw sqlite_error( connection, code ); |
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} |
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sqlite::detail::basic_statement::basic_statement( |
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connection &connection ) |
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: |
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_connection( connection ), |
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_handle( NULL ), |
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_bind_index( 1 ) |
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{
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} |
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||
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sqlite::detail::basic_statement::~basic_statement() |
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{
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finalize(); |
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} |
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int sqlite::detail::basic_statement::prepare( |
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const std::string &sql ) |
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{
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finalize(); |
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return sqlite3_prepare_v2( _connection._handle, sql.c_str(), |
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sql.length() + 1, &_handle, NULL ); |
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} |
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int sqlite::detail::basic_statement::reset() |
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{
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return sqlite3_reset( _handle ); |
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} |
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int sqlite::detail::basic_statement::clear_bindings() |
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{
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_bind_index = 1; |
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return sqlite3_clear_bindings( _handle ); |
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} |
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int sqlite::detail::basic_statement::bind_static( |
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unsigned int index, |
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const char *value, |
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unsigned int value_length ) |
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{
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// bind as text (applying the type affinity of the underlying column) |
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return sqlite3_bind_text( _handle, index, value, value_length, |
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SQLITE_STATIC ); |
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} |
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int sqlite::detail::basic_statement::bind_static( |
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unsigned int index, |
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const char *value ) |
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{
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return bind_static( index, value, strlen( value ) ); |
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} |
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int sqlite::detail::basic_statement::bind_static( |
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unsigned int index, |
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const std::string &value ) |
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{
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return bind_static( index, value.c_str(), value.length() ); |
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} |
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int sqlite::detail::basic_statement::bind_null( |
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unsigned int index ) |
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{
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return sqlite3_bind_null( _handle, index ); |
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} |
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int sqlite::detail::basic_statement::bind_static( |
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const std::string &name, |
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const char *value, |
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unsigned int value_length ) |
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{
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return bind_static( bind_parameter_index( name ), value, value_length ); |
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} |
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int sqlite::detail::basic_statement::bind_static( |
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const std::string &name, |
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const char *value ) |
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{
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return bind_static( name, value, ::strlen( value ) ); |
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} |
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int sqlite::detail::basic_statement::bind_static( |
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const std::string &name, |
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const std::string &value ) |
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{
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return bind_static( name, value.c_str(), value.length() ); |
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} |
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int sqlite::detail::basic_statement::bind_null( |
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const std::string &name ) |
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{
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return bind_null( bind_parameter_index( name ) ); |
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} |
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int sqlite::detail::basic_statement::bind_blob( |
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unsigned int index, |
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const char *value, |
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unsigned int value_length ) |
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{
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return sqlite3_bind_blob( _handle, index, value, value_length, |
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SQLITE_TRANSIENT ); |
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} |
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int sqlite::detail::basic_statement::bind_blob( |
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unsigned int index, |
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const std::string &value ) |
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{
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return bind_blob( index, value.c_str(), value.length() ); |
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} |
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int sqlite::detail::basic_statement::bind_blob( |
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const std::string &name, |
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const char *value, |
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unsigned int value_length ) |
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{
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return bind_blob( bind_parameter_index( name ), value, value_length ); |
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} |
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int sqlite::detail::basic_statement::bind_blob( |
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const std::string &name, |
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const std::string &value ) |
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{
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return bind_blob( bind_parameter_index( name ), value ); |
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} |
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int sqlite::detail::basic_statement::finalize() |
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{
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int code = SQLITE_OK; |
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if( _handle ) {
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code = sqlite3_finalize( _handle ); |
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_handle = NULL; |
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} |
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return code; |
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} |
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int sqlite::detail::basic_statement::bind_parameter_index( |
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const std::string &name ) |
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{
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unsigned int index = sqlite3_bind_parameter_index( _handle, name.c_str() ); |
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if( !index ) throw std::range_error( "named parameter not found" ); |
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return index; |
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} |
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int sqlite::detail::basic_statement::step() |
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{
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return sqlite3_step( _handle ); |
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} |
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template< > |
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sqlite::detail::basic_statement &sqlite::detail::basic_statement::operator << |
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< sqlite::detail::null_t >( |
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const sqlite::detail::null_t & ) |
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{
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int code = bind_null( _bind_index ); |
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if( code != SQLITE_OK ) throw sqlite_error( _connection, code ); |
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_bind_index++; |
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return *this; |
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} |
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template< > |
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sqlite::detail::basic_statement &sqlite::detail::basic_statement::operator << |
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< sqlite::detail::set_index_t >( |
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const sqlite::detail::set_index_t &t ) |
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{
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_bind_index = t._index; |
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return *this; |
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} |
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template< > |
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sqlite::detail::basic_statement &sqlite::detail::basic_statement::operator << |
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< sqlite::detail::blob_t >( |
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const sqlite::detail::blob_t &t ) |
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{
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int code = bind_blob( _bind_index, t.value, t.value_length ); |
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if( code != SQLITE_OK ) throw sqlite_error( _connection, code ); |
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_bind_index++; |
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return *this; |
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} |
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template< > |
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int sqlite::detail::basic_statement::bind< int >( |
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unsigned int index, |
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const int &value ) |
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{
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return sqlite3_bind_int( _handle, index, value ); |
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} |
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template< > |
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int sqlite::detail::basic_statement::bind< double >( |
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unsigned int index, |
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const double &value ) |
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{
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return sqlite3_bind_double( _handle, index, value ); |
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} |