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1 parent ddd50c4 commit 5dd9b58Copy full SHA for 5dd9b58
src/backend/parser/gram.y
@@ -10,7 +10,7 @@
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*
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* IDENTIFICATION
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- * $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 $
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* HISTORY
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* AUTHOR DATE MAJOR EVENT
@@ -5685,8 +5685,9 @@ Oid param_type(int t)
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}
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/*
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- * The optimizer doesn't like '-' 4, but wants an integer of -4, so we
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- * 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
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+ * minus into the constant.
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*/
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static Node *doNegate(Node *n)
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{
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