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authorBruce Momjian <bruce@momjian.us>1999-03-18 22:03:59 +0000
committerBruce Momjian <bruce@momjian.us>1999-03-18 22:03:59 +0000
commit5dd9b58a86c7dacb2dd79da04f20ad6523746caf (patch)
treea9793e1ad5cf7dd9cb10a889e83c16ecacd145c7
parentddd50c440af3ee7467d4e696d5586299f4b29e21 (diff)
downloadpostgresql-5dd9b58a86c7dacb2dd79da04f20ad6523746caf.tar.gz
postgresql-5dd9b58a86c7dacb2dd79da04f20ad6523746caf.zip
grammar cleanup'
-rw-r--r--src/backend/parser/gram.y7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index 2b39bf8c175..5cd7f792e59 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.64 1999/03/18 22:01:56 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.65 1999/03/18 22:03:59 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@@ -5685,8 +5685,9 @@ Oid param_type(int t)
}
/*
- * The optimizer doesn't like '-' 4, but wants an integer of -4, so we
- * try to merge the minus into the constant.
+ * The optimizer doesn't like '-' 4 for index use. It only checks for
+ * Var '=' Const. It wants an integer of -4, so we try to merge the
+ * minus into the constant.
*/
static Node *doNegate(Node *n)
{