diff options
| author | Robert Haas | 2018-02-28 15:09:31 +0000 |
|---|---|---|
| committer | Robert Haas | 2018-02-28 15:09:31 +0000 |
| commit | c161ea138fe123ad266ed22d153c9539f20c1325 (patch) | |
| tree | e6ca09319123532ca7e3694d96f76020415d918c /src/backend/catalog/partition.c | |
| parent | 6d933da306c993ab52a28dba9f4f5b80c80f9681 (diff) | |
Update and improve comments.
Commits 6f6b99d1335be8ea1b74581fc489a97b109dd08a and
f3b0897a1213f46b4d3a99a7f8ef3a4b32e03572 didn't properly update
these comments.
Etsuro Fujita, reviewed by Amit Langote
Discussion: http://postgr.es/m/[email protected]
Diffstat (limited to 'src/backend/catalog/partition.c')
| -rw-r--r-- | src/backend/catalog/partition.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/src/backend/catalog/partition.c b/src/backend/catalog/partition.c index f8c9a114937..fcf76555531 100644 --- a/src/backend/catalog/partition.c +++ b/src/backend/catalog/partition.c @@ -1725,14 +1725,11 @@ make_partition_op_expr(PartitionKey key, int keynum, /* * get_qual_for_hash * - * Given a list of partition columns, modulus and remainder corresponding to a - * partition, this function returns CHECK constraint expression Node for that - * partition. + * Returns a CHECK constraint expression to use as a hash partition's + * constraint, given the parent relation and partition bound structure. * * The partition constraint for a hash partition is always a call to the - * built-in function satisfies_hash_partition(). The first two arguments are - * the modulus and remainder for the partition; the remaining arguments are the - * values to be hashed. + * built-in function satisfies_hash_partition(). */ static List * get_qual_for_hash(Relation parent, PartitionBoundSpec *spec) @@ -1812,7 +1809,7 @@ get_qual_for_hash(Relation parent, PartitionBoundSpec *spec) * get_qual_for_list * * Returns an implicit-AND list of expressions to use as a list partition's - * constraint, given the partition key and bound structures. + * constraint, given the parent relation and partition bound structure. * * The function returns NIL for a default partition when it's the only * partition since in that case there is no constraint. @@ -2086,7 +2083,7 @@ get_range_nulltest(PartitionKey key) * get_qual_for_range * * Returns an implicit-AND list of expressions to use as a range partition's - * constraint, given the partition key and bound structures. + * constraint, given the parent relation and partition bound structure. * * For a multi-column range partition key, say (a, b, c), with (al, bl, cl) * as the lower bound tuple and (au, bu, cu) as the upper bound tuple, we |