| CREATE TABLE TEST3a(A INT, B DOUBLE) STORED AS TEXTFILE; |
| DESCRIBE TEST3a; |
| CREATE TABLE TEST3b(A ARRAY<INT>, B DOUBLE, C MAP<DOUBLE, INT>) STORED AS TEXTFILE; |
| DESCRIBE TEST3b; |
| SHOW TABLES LIKE "TEST3%"; |
| EXPLAIN |
| ALTER TABLE TEST3b ADD COLUMNS (X DOUBLE); |
| ALTER TABLE TEST3b ADD COLUMNS (X DOUBLE); |
| DESCRIBE TEST3b; |
| EXPLAIN |
| ALTER TABLE TEST3b RENAME TO TEST3c; |
| ALTER TABLE TEST3b RENAME TO TEST3c; |
| DESCRIBE TEST3c; |
| SHOW TABLES LIKE "TEST3%"; |
| set hive.metastore.disallow.incompatible.col.type.changes=false; |
| EXPLAIN |
| ALTER TABLE TEST3c REPLACE COLUMNS (R1 INT, R2 DOUBLE); |
| ALTER TABLE TEST3c REPLACE COLUMNS (R1 INT, R2 DOUBLE); |
| reset hive.metastore.disallow.incompatible.col.type.changes; |
| DESCRIBE EXTENDED TEST3c; |
