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

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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.
This commit is contained in:
Tom Lane
1999-09-07 00:13:27 +00:00
parent f1de4f9532
commit 85712da90d
1 changed files with 11 additions and 17 deletions
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18
src/backend/parser/scan.l
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@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * 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() input()
{ {
if (parseCh == NULL) if (parseCh == NULL)
{
parseCh = parseString; parseCh = parseString;
return(*parseCh++); if (*parseCh == '\0')
}
else if (*parseCh == '\0')
return(0); return(0);
else else
return(*parseCh++); return(*parseCh++);
@ -520,20 +517,17 @@ myinput(char* buf, int max)
int len, copylen; int len, copylen;
if (parseCh == NULL) if (parseCh == NULL)
{ parseCh = parseString;
len = strlen(parseString); len = strlen(parseCh); /* remaining data available */
if (len >= max) if (len >= max)
copylen = max - 1; copylen = max - 1;
else else
copylen = len; copylen = len;
if (copylen > 0) if (copylen > 0)
memcpy(buf, parseString, copylen); memcpy(buf, parseCh, copylen);
buf[copylen] = '\0'; buf[copylen] = '\0';
parseCh = parseString; parseCh += copylen;
return copylen; return copylen;
}
else
return 0; /* end of string */
} }
#endif /* FLEX_SCANNER */ #endif /* FLEX_SCANNER */