Dean Wampler created HIVE-3108:
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Summary: SELECT count(DISTINCT col) ... returns 0 if "col" is a
partition column
Key: HIVE-3108
URL: https://issues.apache.org/jira/browse/HIVE-3108
Project: Hive
Issue Type: Bug
Components: Query Processor
Affects Versions: 0.9.0, 0.8.0
Environment: Mac OSX running Apache distribution of hadoop and hive
natively.
Reporter: Dean Wampler
Suppose "stocks" is a managed OR external table, partitioned by "exchange" and
"symbol". "count(DISTINCT x)" returns 0 for either "exchange", "symbol", or
both:
hive> SELECT count(DISTINCT exchange), count(DISTINCT symbol) from stocks;
0 0
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