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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2011-04-22 17:43:18 -0400 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2011-04-22 17:43:18 -0400 |
| commit | 9e9b9ac7d1860fbb98eb4db17a94ff25524b6447 (patch) | |
| tree | b8505f0c0aa817e1611f43d130248fa7bbb2103c /src/backend/executor/nodeMergejoin.c | |
| parent | 0cfdc1c657b7c2aa1e4524f495e84005f750ec02 (diff) | |
| download | postgresql-9e9b9ac7d1860fbb98eb4db17a94ff25524b6447.tar.gz postgresql-9e9b9ac7d1860fbb98eb4db17a94ff25524b6447.zip | |
Make a code-cleanup pass over the collations patch.
This patch is almost entirely cosmetic --- mostly cleaning up a lot of
neglected comments, and fixing code layout problems in places where the
patch made lines too long and then pgindent did weird things with that.
I did find a bug-of-omission in equalTupleDescs().
Diffstat (limited to 'src/backend/executor/nodeMergejoin.c')
| -rw-r--r-- | src/backend/executor/nodeMergejoin.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/backend/executor/nodeMergejoin.c b/src/backend/executor/nodeMergejoin.c index 208c0fb76ac..7d27123cf05 100644 --- a/src/backend/executor/nodeMergejoin.c +++ b/src/backend/executor/nodeMergejoin.c @@ -170,13 +170,13 @@ typedef enum * the two expressions from the original clause. * * In addition to the expressions themselves, the planner passes the btree - * opfamily OID, btree strategy number (BTLessStrategyNumber or + * opfamily OID, collation OID, btree strategy number (BTLessStrategyNumber or * BTGreaterStrategyNumber), and nulls-first flag that identify the intended * sort ordering for each merge key. The mergejoinable operator is an - * equality operator in this opfamily, and the two inputs are guaranteed to be + * equality operator in the opfamily, and the two inputs are guaranteed to be * ordered in either increasing or decreasing (respectively) order according - * to this opfamily, with nulls at the indicated end of the range. This - * allows us to obtain the needed comparison function from the opfamily. + * to the opfamily and collation, with nulls at the indicated end of the range. + * This allows us to obtain the needed comparison function from the opfamily. */ static MergeJoinClause MJExamineQuals(List *mergeclauses, |