Khurram Faraaz created DRILL-3865: ------------------------------------- Summary: Difference in results - query parquet table vs query HBase table Key: DRILL-3865 URL: https://issues.apache.org/jira/browse/DRILL-3865 Project: Apache Drill Issue Type: Bug Components: Execution - Flow Affects Versions: 1.2.0 Environment: 4 node cluster CentOS Reporter: Khurram Faraaz Assignee: Mehant Baid
Querying HBase from Drill returns no results. Query from Drill over same data in parquet format from Drill returns expected results. {code} 0: jdbc:drill:schema=dfs.tmp> describe dt_Tbl; +--------------+------------+--------------+ | COLUMN_NAME | DATA_TYPE | IS_NULLABLE | +--------------+------------+--------------+ | row_key | ANY | NO | | colfam1 | MAP | NO | +--------------+------------+--------------+ 2 rows selected (1.494 seconds) 0: jdbc:drill:schema=dfs.tmp> select RK from dfs.tmp.t20 WHERE RK >= TIME '00:00:00' AND RK <= TIME '04:14:46.094'; +---------------+ | RK | +---------------+ | 00:00:00 | | 04:14:46.094 | | 04:14:46.094 | | 01:50:46.094 | | 04:14:46.094 | +---------------+ 5 rows selected (0.242 seconds) {code} {code} root@centos-01 ~]# parquet-tools/parquet-schema 0_0_0.parquet message root { required int32 RK (TIME_MILLIS); } 0: jdbc:drill:schema=dfs.tmp> SELECT CONVERT_FROM(BYTE_SUBSTR(row_key,1,8),'time_epoch_be') AS RK from dt_Tbl T WHERE CONVERT_FROM(BYTE_SUBSTR(row_key,1,8),'time_epoch_be') >= TIME '00:00:00' AND CONVERT_FROM(BYTE_SUBSTR(row_key,1,8),'time_epoch_be') <= TIME '04:14:46.094'; +--+ | | +--+ +--+ No rows selected (0.902 seconds) explain plan for above query 00-01 Project(RK=[CONVERT_FROMTIME_EPOCH_BE(BYTE_SUBSTR($0, 1, 8))]) 00-02 Scan(groupscan=[HBaseGroupScan [HBaseScanSpec=HBaseScanSpec [tableName=dt_Tbl, startRow=\x00\x00\x00\x00\x00\x00\x00\x00, stopRow=\x00\x00\x00\x00\x00\xE9?O, filter=null], columns=[`row_key`]]]) {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)