Romain Rigaux created HIVE-13147:
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Summary: COLUMN_STATS_ACCURATE is not accurate
Key: HIVE-13147
URL: https://issues.apache.org/jira/browse/HIVE-13147
Project: Hive
Issue Type: Bug
Affects Versions: 1.2.0
Reporter: Romain Rigaux
Often we see on a described table:
{code}
Table Parameters: NULL NULL
18 COLUMN_STATS_ACCURATE true
19 numFiles 1
20 numRows 0
21 rawDataSize 0
22 totalSize 46069
23 transient_lastDdlTime 1448930216
{code}
Notice
{code}
20 numRows 0
21 rawDataSize 0
{code}
are wrong.
After doing an analyze we get:
{code}
Table Parameters: NULL NULL
18 COLUMN_STATS_ACCURATE true
19 numFiles 1
20 numRows 823
21 rawDataSize 45246
22 totalSize 46069
23 transient_lastDdlTime 1456338426
{code}
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