Tom Lane b204d10c79 Executor no longer cares about mergejoinop, mergerightorder, mergeleftorder, ...

so remove them from MergeJoin node.  Hack together a partial
solution for commuted mergejoin operators --- yesterday
a mergejoin int4 = int8 would crash if the planner decided to
commute it, today it works.  The planner's representation of
mergejoins really needs a rewrite though.
Also, further testing of mergejoin ops in opr_sanity regress test.

1999-03-01 00:10:44 +00:00

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