Refactor merge path generation code.
This shouldn't change the set of paths that get generated in any
way, but it is preparatory work for further changes to allow a
partial path to be merge-joined witih a non-partial path to produce
a partial join path.
Dilip Kumar, with cosmetic adjustments by me.
Branch
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master
Details
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http://git.postgresql.org/pg/commitdiff/59649c3f1cbd536314c0060dcabd234deab148b2
Modified Files
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src/backend/optimizer/path/joinpath.c | 461 ++++++++++++++++++----------------
1 file changed, 250 insertions(+), 211 deletions(-)