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colexec: rename vectorize setting 192auto to auto and make it the default #46845

Merged
merged 2 commits into from
Apr 2, 2020
Merged

colexec: rename vectorize setting 192auto to auto and make it the default #46845

merged 2 commits into from
Apr 2, 2020

Commits on Apr 1, 2020

  1. colexec: rename vectorize setting 192auto to auto and make it the def… 

    …ault

This commit renames 192auto back to auto and makes it the default, so that
only streaming vectorized operators will be planned by default. The previous
auto setting would also plan operators that can spill to disk. This is now
removed and they can be run using the "on" setting.

Release note (sql change): the vectorized execution engine will only run
queries with streaming operators. SET vectorize=on to enable the vectorized
execution engine for buffering operators.
    @asubiotto
    asubiotto committed Apr 1, 2020
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  2. colexec: disable processor wrapping in vectorize=auto 

    This commit will only allow JoinReaders to be part of a colexec flow when
vectorize=auto.

Release note: None (no observable user change)
    @asubiotto
    asubiotto committed Apr 1, 2020
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