Added kexi hotfix to support versions 12 and higher, fixing issue #15

Signed-off-by: ormorph <roma251078@mail.ru>

kexi/kexidb/connection.cpp

@@ -3227,6 +3227,10 @@ bool Connection::updateRow(QuerySchema &query, RowData& data, RowEditBuffer& buf
 		setError(ERR_UPDATE_SERVER_ERROR, i18n("Row updating on the server failed."));
 		return false;
 	}
+
+	if (m_driver->beh->ROW_ID_FIELD_NAME == "xmin")
+		data[data.size()-1]=drv_lastInsertRowID();
+
 	//success: now also assign new values in memory:
 	TQMap<QueryColumnInfo*,int> columnsOrderExpanded;
 	updateRowDataWithNewValues(query, data, b, columnsOrderExpanded);

kexi/kexidb/drivers/pqxx/pqxxconnection.cpp

@@ -203,7 +203,6 @@ bool pqxxSqlConnection::drv_useDatabase( const TQString &dbName, bool *cancelled
 	try
 	{
 		d->pqxxsql = new pqxx::connection( conninfo.latin1() );
-		drv_executeSQL( "SET DEFAULT_WITH_OIDS TO ON" ); //Postgres 8.1 changed the default to no oids but we need them
 
 		if (d->version) {
 //! @todo set version using the connection pointer when we drop libpqxx for libpq
@@ -259,6 +258,15 @@ bool pqxxSqlConnection::drv_dropDatabase( const TQString &dbName )
 //Execute an SQL statement
 bool pqxxSqlConnection::drv_executeSQL( const TQString& statement )
 {
+	std::string temp = std::string(statement.utf8());
+//	Adding xmin result output for inserting rows
+	bool isInserted = false;
+	pqxx::result::const_iterator itRow;
+	if (statement.find("INSERT INTO") == 0 || statement.find("UPDATE") == 0) {
+		temp += " RETURNING xmin";
+		isInserted = true;
+	}
+
 //	KexiDBDrvDbg << "pqxxSqlConnection::drv_executeSQL: " << statement << endl;
 	bool ok = false;
 
@@ -277,7 +285,15 @@ bool pqxxSqlConnection::drv_executeSQL( const TQString& statement )
 		//		m_trans = new pqxx::nontransaction(*m_pqxxsql);
 //		KexiDBDrvDbg << "About to execute" << endl;
 		//Create a result object through the transaction
-		d->res = new pqxx::result(m_trans->data->exec(std::string(statement.utf8())));
+		d->res = new pqxx::result(m_trans->data->exec(temp));
+
+//		Get the xmin of the last inserted row
+		if (isInserted) {
+			itRow = d->res->begin();
+			itRow[0].to(temp);
+			lastRowId = temp.c_str();
+		}
+
 //		KexiDBDrvDbg << "Executed" << endl;
 		//Commit the transaction
 		if (implicityStarted) {
@@ -327,11 +343,9 @@ TQ_ULLONG pqxxSqlConnection::drv_lastInsertRowID()
 {
 	if (d->res)
 	{
-		pqxx::oid theOid = d->res->inserted_oid();
-
-		if (theOid != pqxx::oid_none)
+		if (!lastRowId.isEmpty())
 		{
-			return (TQ_ULLONG)theOid;
+			return lastRowId.toULong();
 		}
 		else
 		{

kexi/kexidb/drivers/pqxx/pqxxconnection.h

@@ -90,6 +90,7 @@ class pqxxSqlConnection : public Connection
 		
 		pqxxSqlConnectionInternal *d;
 	private:
+		TQString lastRowId;
 		TQString escapeName(const TQString &tn) const;
 		//  	pqxx::transaction_base* m_trans;
 		//! temporary solution for executeSQL()...

kexi/kexidb/drivers/pqxx/pqxxdriver.cpp

@@ -41,7 +41,7 @@ pqxxSqlDriver::pqxxSqlDriver( TQObject *parent, const char *name, const TQString
 //! @todo enable this when kexidb supports multiple: d->features = MultipleTransactions | CursorForward | CursorBackward;
 
 	beh->UNSIGNED_TYPE_KEYWORD = "";
-	beh->ROW_ID_FIELD_NAME = "oid";
+	beh->ROW_ID_FIELD_NAME = "xmin";
 	beh->SPECIAL_AUTO_INCREMENT_DEF = false;
 	beh->AUTO_INCREMENT_TYPE = "SERIAL";
 	beh->AUTO_INCREMENT_FIELD_OPTION = "";