From 67ad9a18c0a31cdff073f4c53fe3fcfc5db8517c Mon Sep 17 00:00:00 2001
From: Tom Lane <tgl@sss.pgh.pa.us>
Date: Sat, 27 May 2000 05:13:38 +0000
Subject: [PATCH] define YY_NEVER_INTERACTIVE for flex, to persuade flex that
 it's not necessary to call isatty() for each and every received query. 
 That's one less kernel call per query cycle ...

---
 src/backend/parser/scan.l | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/backend/parser/scan.l b/src/backend/parser/scan.l
index 64a389b7680..2eb0934adec 100644
--- a/src/backend/parser/scan.l
+++ b/src/backend/parser/scan.l
@@ -9,7 +9,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.68 2000/03/18 18:03:09 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.69 2000/05/27 05:13:38 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -42,6 +42,7 @@ static char *parseCh;
 /* set up my input handler --- need one flavor for flex, one for lex */
 #if defined(FLEX_SCANNER)
 
+#define YY_NEVER_INTERACTIVE 1
 #define YY_NO_UNPUT
 static int myinput(char* buf, int max);
 #undef YY_INPUT
-- 
GitLab