Mike Ansley's fixes for long queries. This change just

corrects flex myinput() routine so that it doesn't assume there is only
one bufferload of data.  We still have the issue of getting rid of
YY_USES_REJECT so that the scanner can cope with tokens larger than its
initial buffer size.

diff --git a/src/backend/parser/scan.l b/src/backend/parser/scan.l
index 35d4235..ece71b4 100644 (file)
--- a/src/backend/parser/scan.l
+++ b/src/backend/parser/scan.l
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *       $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.52 1999/07/17 20:17:26 momjian Exp $
+ *       $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.53 1999/09/07 00:13:27 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -491,11 +491,8 @@ int
 input()
 {
        if (parseCh == NULL)
-       {
                parseCh = parseString;
-               return(*parseCh++);
-       }
-       else if (*parseCh == '\0')
+       if (*parseCh == '\0')
                return(0);
        else
                return(*parseCh++);
@@ -520,20 +517,17 @@ myinput(char* buf, int max)
        int len, copylen;
 
        if (parseCh == NULL)
-       {
-               len = strlen(parseString);
-               if (len >= max)
-                       copylen = max - 1;
-               else
-                       copylen = len;
-               if (copylen > 0)
-                       memcpy(buf, parseString, copylen);
-               buf[copylen] = '\0';
                parseCh = parseString;
-               return copylen;
-       }
+       len = strlen(parseCh);          /* remaining data available */
+       if (len >= max)
+               copylen = max - 1;
        else
-               return 0; /* end of string */
+               copylen = len;
+       if (copylen > 0)
+               memcpy(buf, parseCh, copylen);
+       buf[copylen] = '\0';
+       parseCh += copylen;
+       return copylen;
 }
 #endif /* FLEX_SCANNER */