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- Committer: Lee Bieber
- Date: 2009-10-20 20:39:01 UTC
- mto: This revision was merged to the branch mainline in revision 1191.
- Revision ID: lbieber@dhcp-umpk18-111-94.sfbay.sun.com-20091020203901-wmeq850fgv7iiqff
Add test case for MySQL BUG #42742: crash in setup_sj_materialization, Copy_field::set
If a semi-join strategy covers certain [first_table; last_table] range in join order, do reset the sj_strategy member for all tables within the range, except the first one. Failure to do so caused EXPLAIN/execution code to try applying two strategies at once which would cause all kinds of undesired effects.
If a semi-join strategy covers certain [first_table; last_table] range in join order, do reset the sj_strategy member for all tables within the range, except the first one. Failure to do so caused EXPLAIN/execution code to try applying two strategies at once which would cause all kinds of undesired effects.
- files modified:
- tests/r/subselect_sj2.result
added
removed
tests/t/subselect_sj2.test
