From b1fc51a36ecdf854be9e41ffb99953c40ef96ccf Mon Sep 17 00:00:00 2001 From: Alvaro Herrera Date: Thu, 6 Apr 2017 12:27:15 -0300 Subject: Comment fixes for extended statistics Clean up some code comments in new extended statistics code, from 7b504eb282. --- src/backend/statistics/extended_stats.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'src/backend/statistics/extended_stats.c') diff --git a/src/backend/statistics/extended_stats.c b/src/backend/statistics/extended_stats.c index 006bb897c48..4b3aa778140 100644 --- a/src/backend/statistics/extended_stats.c +++ b/src/backend/statistics/extended_stats.c @@ -408,7 +408,7 @@ multi_sort_compare_dims(int start, int end, /* * has_stats_of_kind - * Check that the list contains statistic of a given kind + * Check that the list contains statistic of a given kind */ bool has_stats_of_kind(List *stats, char requiredkind) @@ -428,8 +428,9 @@ has_stats_of_kind(List *stats, char requiredkind) /* * choose_best_statistics - * Look for statistics with the specified 'requiredkind' which have keys - * that match at least two attnums. + * Look for and return statistics with the specified 'requiredkind' which + * have keys that match at least two of the given attnums. Return NULL if + * there's no match. * * The current selection criteria is very simple - we choose the statistics * referencing the most attributes with the least keys. -- cgit v1.2.3