| --! qt:dataset:src |
| DROP TABLE IF EXISTS t1_n72; |
| DROP TABLE IF EXISTS t2_n44; |
| DROP TABLE IF EXISTS t3_n15; |
| DROP TABLE IF EXISTS t4_n7; |
| |
| CREATE TABLE t1_n72 (a int) PARTITIONED BY (d1 int); |
| CREATE TABLE t2_n44 (a int) PARTITIONED BY (d1 int); |
| CREATE TABLE t3_n15 (a int) PARTITIONED BY (d1 int, d2 int); |
| CREATE TABLE t4_n7 (a int) PARTITIONED BY (d1 int, d2 int); |
| CREATE TABLE t5_n3 (a int) PARTITIONED BY (d1 int, d2 int, d3 int); |
| CREATE TABLE t6_n2 (a int) PARTITIONED BY (d1 int, d2 int, d3 int); |
| set hive.mapred.mode=nonstrict; |
| INSERT OVERWRITE TABLE t1_n72 PARTITION (d1 = 1) SELECT key FROM src where key = 100 limit 1; |
| INSERT OVERWRITE TABLE t3_n15 PARTITION (d1 = 1, d2 = 1) SELECT key FROM src where key = 100 limit 1; |
| INSERT OVERWRITE TABLE t5_n3 PARTITION (d1 = 1, d2 = 1, d3=1) SELECT key FROM src where key = 100 limit 1; |
| |
| SELECT * FROM t1_n72; |
| |
| SELECT * FROM t3_n15; |
| |
| ALTER TABLE t2_n44 EXCHANGE PARTITION (d1 = 1) WITH TABLE t1_n72; |
| SELECT * FROM t1_n72; |
| SELECT * FROM t2_n44; |
| |
| ALTER TABLE t4_n7 EXCHANGE PARTITION (d1 = 1, d2 = 1) WITH TABLE t3_n15; |
| SELECT * FROM t3_n15; |
| SELECT * FROM t4_n7; |
| |
| EXPLAIN ALTER TABLE t6_n2 EXCHANGE PARTITION (d1 = 1, d2 = 1, d3 = 1) WITH TABLE t5_n3; |
| ALTER TABLE t6_n2 EXCHANGE PARTITION (d1 = 1, d2 = 1, d3 = 1) WITH TABLE t5_n3; |
| SELECT * FROM t5_n3; |
| SELECT * FROM t6_n2; |
| |