From 7412fd52aa0eef0d07c721aac9b1d256603d069d Mon Sep 17 00:00:00 2001 From: Richard Guo Date: Tue, 19 Dec 2023 14:14:41 +0800 Subject: [PATCH v1] Add comment for Cardinality typedef --- src/include/nodes/nodes.h | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/src/include/nodes/nodes.h b/src/include/nodes/nodes.h index a178d08727..9ce3ecb5ab 100644 --- a/src/include/nodes/nodes.h +++ b/src/include/nodes/nodes.h @@ -251,9 +251,10 @@ extern bool equal(const void *a, const void *b); /* - * Typedefs for identifying qualifier selectivities and plan costs as such. - * These are just plain "double"s, but declaring a variable as Selectivity - * or Cost makes the intent more obvious. + * Typedefs for identifying qualifier selectivities, plan costs and + * estimated rows or other count as such. These are just plain "double"s, + * but declaring a variable as Selectivity, Cost or Cardinality makes the + * intent more obvious. * * These could have gone into plannodes.h or some such, but many files * depend on them... -- 2.31.0