Dispatch analyze to segments #241
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Now the system table pg_statisitics only has data in master. But the hash join skew hash need the some information in pg_statisitics. So we need to dispatch the analyze command to segment, So that the system table pg_statistics could have data in segments.
This reverts commit a08c31e.
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Now the system table pg_statisitics only has data in master. But the hash join skew hash need the some information in pg_statisitics. So we need to dispatch the analyze command to segment, So that the system table pg_statistics could have data in segments.
TLDR; (just run analyze in sample rows)