void PreparedStatement::init(thread_db* tdbb, Attachment* attachment, jrd_tra* transaction,
const Firebird::string& text, bool isInternalRequest)
{
AutoSetRestore<SSHORT> autoAttCharset(&attachment->att_charset,
(isInternalRequest ? CS_METADATA : attachment->att_charset));
request = NULL;
try
{
const Database& dbb = *tdbb->getDatabase();
const int dialect = isInternalRequest || (dbb.dbb_flags & DBB_DB_SQL_dialect_3) ?
SQL_DIALECT_V6 : SQL_DIALECT_V5;
request = DSQL_prepare(tdbb, attachment, transaction, text.length(), text.c_str(), dialect,
NULL, NULL, isInternalRequest);
const DsqlCompiledStatement* statement = request->getStatement();
if (statement->getSendMsg())
parseDsqlMessage(statement->getSendMsg(), inValues, inMetadata, inMessage);
if (statement->getReceiveMsg())
parseDsqlMessage(statement->getReceiveMsg(), outValues, outMetadata, outMessage);
}
catch (const Exception&)
{
if (request)
{
DSQL_free_statement(tdbb, request, DSQL_drop);
}
throw;
}
}
PreparedStatement::~PreparedStatement()
{
thread_db* tdbb = JRD_get_thread_data();
DSQL_free_statement(tdbb, request, DSQL_drop);
if (resultSet)
resultSet->stmt = NULL;
}
ResultSet::~ResultSet()
{
if (!stmt)
return;
thread_db* tdbb = JRD_get_thread_data();
stmt->resultSet = NULL;
if (stmt->request->req_type != REQ_EXEC_PROCEDURE)
DSQL_free_statement(tdbb, stmt->request, DSQL_close);
}
ResultSet::~ResultSet()
{
if (!stmt)
return;
thread_db* tdbb = JRD_get_thread_data();
stmt->resultSet = NULL;
if (stmt->request->getStatement()->getType() != DsqlCompiledStatement::TYPE_EXEC_PROCEDURE)
DSQL_free_statement(tdbb, stmt->request, DSQL_close);
}