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koffice/kexi/kexidb/drivers/pqxx/pqxxdriver.cpp

186 lines
5.6 KiB

/* This file is part of the KDE project
Copyright (C) 2003 Adam Pigg <adam@piggz.co.uk>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <kexidb/connection.h>
#include <kexidb/drivermanager.h>
#include <kexidb/driver_p.h>
#include <kexidb/utils.h>
#include "pqxxdriver.h"
#include "pqxxconnection.h"
#include <string>
#include <kdebug.h>
using namespace KexiDB;
KEXIDB_DRIVER_INFO( pqxxSqlDriver, pqxxsql )
//==================================================================================
//
pqxxSqlDriver::pqxxSqlDriver( TQObject *parent, const char *name, const TQStringList &args )
: Driver( parent, name, args )
{
d->isFileDriver = false;
d->features = SingleTransactions | CursorForward | CursorBackward;
//! @todo enable this when kexidb supports multiple: d->features = MultipleTransactions | CursorForward | CursorBackward;
beh->UNSIGNED_TYPE_KEYWORD = "";
beh->ROW_ID_FIELD_NAME = "xmin";
beh->SPECIAL_AUTO_INCREMENT_DEF = false;
beh->AUTO_INCREMENT_TYPE = "SERIAL";
beh->AUTO_INCREMENT_FIELD_OPTION = "";
beh->AUTO_INCREMENT_PK_FIELD_OPTION = "PRIMARY KEY";
beh->ALWAYS_AVAILABLE_DATABASE_NAME = "template1";
beh->QUOTATION_MARKS_FOR_IDENTIFIER = '"';
beh->SQL_KEYWORDS = keywords;
initSQLKeywords(233);
//predefined properties
d->properties["client_library_version"] = "";//TODO
d->properties["default_server_encoding"] = ""; //TODO
d->typeNames[Field::Byte]="SMALLINT";
d->typeNames[Field::ShortInteger]="SMALLINT";
d->typeNames[Field::Integer]="INTEGER";
d->typeNames[Field::BigInteger]="BIGINT";
d->typeNames[Field::Boolean]="BOOLEAN";
d->typeNames[Field::Date]="DATE";
d->typeNames[Field::DateTime]="TIMESTAMP";
d->typeNames[Field::Time]="TIME";
d->typeNames[Field::Float]="REAL";
d->typeNames[Field::Double]="DOUBLE PRECISION";
d->typeNames[Field::Text]="CHARACTER VARYING";
d->typeNames[Field::LongText]="TEXT";
d->typeNames[Field::BLOB]="BYTEA";
}
//==================================================================================
//Override the default implementation to allow for NUMERIC type natively
TQString pqxxSqlDriver::sqlTypeName(int id_t, int p) const
{
if (id_t==Field::Null)
return "NULL";
if (id_t==Field::Float || id_t==Field::Double)
{
if (p>0)
{
return "NUMERIC";
}
else
{
return d->typeNames[id_t];
}
}
else
{
return d->typeNames[id_t];
}
}
//==================================================================================
//
pqxxSqlDriver::~pqxxSqlDriver()
{
// delete d;
}
//==================================================================================
//
KexiDB::Connection*
pqxxSqlDriver::drv_createConnection( ConnectionData &conn_data )
{
return new pqxxSqlConnection( this, conn_data );
}
//==================================================================================
//
bool pqxxSqlDriver::isSystemObjectName( const TQString& n ) const
{
return Driver::isSystemObjectName(n);
}
//==================================================================================
//
bool pqxxSqlDriver::drv_isSystemFieldName( const TQString& ) const
{
return false;
}
//==================================================================================
//
bool pqxxSqlDriver::isSystemDatabaseName( const TQString& n ) const
{
return n.lower()=="template1" || n.lower()=="template0";
}
//==================================================================================
//
TQString pqxxSqlDriver::escapeString( const TQString& str) const
{
TQString escaped = str;
escaped.replace("'", "''");
return TQString::fromLatin1("'")
+ escaped
+ TQString::fromLatin1("'");
}
//==================================================================================
//
TQCString pqxxSqlDriver::escapeString( const TQCString& str) const
{
TQString escaped = str;
escaped.replace("'", "''");
return TQCString("'")
+ TQCString( escaped.ascii() )
+ TQCString("'");
}
//==================================================================================
//
TQString pqxxSqlDriver::drv_escapeIdentifier( const TQString& str) const {
return TQString(str).replace( '"', "\"\"" );
}
//==================================================================================
//
TQCString pqxxSqlDriver::drv_escapeIdentifier( const TQCString& str) const {
return TQCString(str).replace( '"', "\"\"" );
}
//==================================================================================
//
TQString pqxxSqlDriver::escapeBLOB(const TQByteArray& array) const
{
return KexiDB::escapeBLOB(array, KexiDB::BLOBEscapeOctal);
}
TQString pqxxSqlDriver::valueToSQL( uint ftype, const TQVariant& v ) const
{
if (ftype==Field::Boolean) {
// use SQL compliant TRUE or FALSE as described here
// http://www.postgresql.org/docs/8.0/interactive/datatype-boolean.html
// 1 or 0 does not work
return v.toInt()==0 ? TQString::fromLatin1("FALSE") : TQString::fromLatin1("TRUE");
}
return Driver::valueToSQL(ftype, v);
}
#include "pqxxdriver.moc"