| set hive.cbo.enable=true; |
| |
| -- try the query without indexing, with manual indexing, and with automatic indexing |
| -- SORT_QUERY_RESULTS |
| |
| DROP TABLE IF EXISTS `s/c`; |
| |
| CREATE TABLE `s/c` (key STRING COMMENT 'default', value STRING COMMENT 'default') STORED AS TEXTFILE; |
| |
| LOAD DATA LOCAL INPATH "../../data/files/kv1.txt" INTO TABLE `s/c`; |
| |
| ANALYZE TABLE `s/c` COMPUTE STATISTICS; |
| |
| ANALYZE TABLE `s/c` COMPUTE STATISTICS FOR COLUMNS key,value; |
| |
| SELECT key, value FROM `s/c` WHERE key > 80 AND key < 100; |
| |
| EXPLAIN SELECT key, value FROM `s/c` WHERE key > 80 AND key < 100; |
| SELECT key, value FROM `s/c` WHERE key > 80 AND key < 100; |
