STATUS:
Waiting for fix in a future release of SQL Optimizer for Oracle.
WORKAROUND:
Use the script below to drop and re-create the table with larger size column.
DROP TABLE QUEST_SL_TEMP_EXPLAIN1 CASCADE CONSTRAINTS;
CREATE GLOBAL TEMPORARY TABLE QUEST_SL_TEMP_EXPLAIN1
(
STATEMENT_ID VARCHAR2(30 BYTE),
PLAN_ID NUMBER,
TIMESTAMP DATE,
REMARKS VARCHAR2(4000 BYTE),
OPERATION VARCHAR2(30 BYTE),
OPTIONS VARCHAR2(255 BYTE),
OBJECT_NODE VARCHAR2(128 BYTE),
OBJECT_OWNER VARCHAR2(128 BYTE),
OBJECT_NAME VARCHAR2(128 BYTE),
OBJECT_ALIAS VARCHAR2(261 BYTE),
OBJECT_INSTANCE INTEGER,
OBJECT_TYPE VARCHAR2(30 BYTE),
OPTIMIZER VARCHAR2(255 BYTE),
SEARCH_COLUMNS NUMBER,
ID INTEGER,
PARENT_ID INTEGER,
DEPTH INTEGER,
POSITION INTEGER,
COST INTEGER,
CARDINALITY INTEGER,
BYTES INTEGER,
OTHER_TAG VARCHAR2(255 BYTE),
PARTITION_START VARCHAR2(255 BYTE),
PARTITION_STOP VARCHAR2(255 BYTE),
PARTITION_ID INTEGER,
OTHER LONG,
OTHER_XML CLOB,
DISTRIBUTION VARCHAR2(30 BYTE),
CPU_COST INTEGER,
IO_COST INTEGER,
TEMP_SPACE INTEGER,
ACCESS_PREDICATES VARCHAR2(4000 BYTE),
FILTER_PREDICATES VARCHAR2(4000 BYTE),
PROJECTION VARCHAR2(4000 BYTE),
TIME INTEGER,
QBLOCK_NAME VARCHAR2(128 BYTE)
)
ON COMMIT PRESERVE ROWS
NOCACHE;
