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Posted to dev@drill.apache.org by "Khurram Faraaz (JIRA)" <ji...@apache.org> on 2015/10/02 03:00:30 UTC
[jira] [Created] (DRILL-3886) Range query over HBase table from
Drill returns no results
Khurram Faraaz created DRILL-3886:
-------------------------------------
Summary: Range query over HBase table from Drill returns no results
Key: DRILL-3886
URL: https://issues.apache.org/jira/browse/DRILL-3886
Project: Apache Drill
Issue Type: Bug
Components: Execution - Flow
Affects Versions: 1.2.0
Environment: 4 node cluster CentOS
Reporter: Khurram Faraaz
Assignee: Smidth Panchamia
Range query over HBase table from Drill returns no results. Note that the filter is pushed down to the Scan, however query does not return any results. Drill master commit ID: b9afcf8f
case 1) without cast and without quotes around integer value
0: jdbc:drill:schema=dfs.tmp> explain plan for select convert_from(row_key,'INT_OBD') as rk from int_Tbl WHERE convert_from(row_key,'INT_OBD') > -536870912 AND convert_from(row_key,'INT_OBD') < 536870911;
+------+------+
| text | json |
+------+------+
| 00-00 Screen
00-01 Project(rk=[CONVERT_FROMINT_OBD($0)])
00-02 Scan(groupscan=[HBaseGroupScan [HBaseScanSpec=HBaseScanSpec [tableName=int_Tbl, startRow=\xD4`\x00\x00\x00\x00, stopRow=\xD4\x9F\xFF\xFF\xFF, filter=FilterList AND (2/2): [RowFilter (LESS, \xD4\x9F\xFF\xFF\xFF), RowFilter (GREATER, \xD4`\x00\x00\x00)]], columns=[`row_key`]]])
0: jdbc:drill:schema=dfs.tmp> select convert_from(row_key,'INT_OBD') as rk from int_Tbl WHERE convert_from(row_key,'INT_OBD') > -536870912 AND convert_from(row_key,'INT_OBD') < 536870911;
+--+
| |
+--+
+--+
No rows selected (0.869 seconds)
-----------------------
case 2) with cast and without quotes around integer value
{code}
0: jdbc:drill:schema=dfs.tmp> select convert_from(row_key,'INT_OBD') as rk from int_Tbl WHERE convert_from(row_key,'INT_OBD') > cast(-536870912 as int) AND convert_from(row_key,'INT_OBD') < cast(536870911 as int);
+--+
| |
+--+
+--+
No rows selected (0.905 seconds)
0: jdbc:drill:schema=dfs.tmp> explain plan for select convert_from(row_key,'INT_OBD') as rk from int_Tbl WHERE convert_from(row_key,'INT_OBD') > cast(-536870912 as int) AND convert_from(row_key,'INT_OBD') < cast(536870911 as int);
+------+------+
| text | json |
+------+------+
| 00-00 Screen
00-01 Project(rk=[CONVERT_FROMINT_OBD($0)])
00-02 Scan(groupscan=[HBaseGroupScan [HBaseScanSpec=HBaseScanSpec [tableName=int_Tbl, startRow=\xD4`\x00\x00\x00\x00, stopRow=\xD4\x9F\xFF\xFF\xFF, filter=FilterList AND (2/2): [RowFilter (LESS, \xD4\x9F\xFF\xFF\xFF), RowFilter (GREATER, \xD4`\x00\x00\x00)]], columns=[`row_key`]]])
{code}
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