diff options
Diffstat (limited to 'lib/odbc/c_src/odbcserver.c')
| -rw-r--r-- | lib/odbc/c_src/odbcserver.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/lib/odbc/c_src/odbcserver.c b/lib/odbc/c_src/odbcserver.c index 4a7a5224e5..b4ee20c3ee 100644 --- a/lib/odbc/c_src/odbcserver.c +++ b/lib/odbc/c_src/odbcserver.c @@ -431,6 +431,20 @@ static db_result_msg handle_db_request(byte *reqstring, db_state *state) <connStrIn>, returns a message indicating the outcome. */ static db_result_msg db_connect(byte *args, db_state *state) { + /* + * Danil Onishchenko aka RubberCthulhu, [email protected]. 2013.01.09. + * It's a fix for Oracle ODBC driver for Linux. + * The issue: Oracle ODBC driver for Linux ignores setup autocommit mode + * during driver initialization before a connection to database has been + * established. + * Solution: set autocommit mode after a connection to database has been + * established. + * + * BEGIN + */ + SQLLEN auto_commit_mode; + /* END */ + SQLCHAR connStrOut[MAX_CONN_STR_OUT + 1] = {0}; SQLRETURN result; SQLSMALLINT stringlength2ptr = 0, connlen; @@ -498,6 +512,42 @@ static db_result_msg db_connect(byte *args, db_state *state) return msg; } + /* + * Danil Onishchenko aka RubberCthulhu, [email protected]. 2013.01.09. + * It's a fix for Oracle ODBC driver for Linux. + * The issue: Oracle ODBC driver for Linux ignores setup autocommit mode + * during driver initialization before a connection to database has been + * established. + * Solution: set autocommit mode after a connection to database has been + * established. + * + * BEGIN + */ + if(erl_auto_commit_mode == ON) { + auto_commit_mode = SQL_AUTOCOMMIT_ON; + } else { + auto_commit_mode = SQL_AUTOCOMMIT_OFF; + } + + if(!sql_success(SQLSetConnectAttr(connection_handle(state), + SQL_ATTR_AUTOCOMMIT, + (SQLPOINTER)auto_commit_mode, 0))) { + diagnos = get_diagnos(SQL_HANDLE_DBC, connection_handle(state), extended_errors(state)); + strcat((char *)diagnos.error_msg, " Set autocommit mode failed."); + + msg = encode_error_message(diagnos.error_msg, extended_error(state, diagnos.sqlState), diagnos.nativeError); + + if(!sql_success(SQLFreeHandle(SQL_HANDLE_DBC, + connection_handle(state)))) + DO_EXIT(EXIT_FREE); + if(!sql_success(SQLFreeHandle(SQL_HANDLE_ENV, + environment_handle(state)))) + DO_EXIT(EXIT_FREE); + + return msg; + } + /* END */ + msg = retrive_scrollable_cursor_support_info(state); return msg; |