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Remove 4096 string limited key on block size

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This commit is contained in:
Bruce Momjian 1999-05-19 17:53:12 +00:00
parent 0a8fb5a8f9
commit 6d08b6a7b8
3 changed files with 14 additions and 20 deletions
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11
src/backend/parser/gram.y
View File

@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.77 1999/05/17 01:01:06 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.78 1999/05/19 17:53:10 momjian Exp $
*
* HISTORY
* AUTHOR DATE MAJOR EVENT
@ -3403,13 +3403,8 @@ Character: character '(' Iconst ')'
if ($3 < 1)
elog(ERROR,"length for '%s' type must be at least 1",$1);
else if ($3 > 4096)
/* we can store a char() of length up to the size
* of a page (8KB) - page headers and friends but
* just to be safe here... - ay 6/95
* XXX note this hardcoded limit - thomas 1997-07-13
*/
elog(ERROR,"length for type '%s' cannot exceed 4096",$1);
else if ($3 > BLCKSZ - 128)
elog(ERROR,"length for type '%s' cannot exceed %d",$1, BLCKSZ-128);
/* we actually implement this sort of like a varlen, so
* the first 4 bytes is the length. (the difference

18
src/backend/utils/adt/varchar.c
View File

@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.44 1999/05/03 19:10:02 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.45 1999/05/19 17:53:11 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -81,8 +81,8 @@ bpcharin(char *s, int dummy, int32 atttypmod)
else
len = atttypmod - VARHDRSZ;
if (len > 4096)
elog(ERROR, "bpcharin: length of char() must be less than 4096");
if (len > BLCKSZ - 128)
elog(ERROR, "bpcharin: length of char() must be less than %d",BLCKSZ-128);
result = (char *) palloc(atttypmod);
VARSIZE(result) = atttypmod;
@ -151,8 +151,8 @@ bpchar(char *s, int32 len)
rlen = len - VARHDRSZ;
if (rlen > 4096)
elog(ERROR, "bpchar: length of char() must be less than 4096");
if (rlen > BLCKSZ - 128)
elog(ERROR, "bpchar: length of char() must be less than %d",BLCKSZ-128);
#ifdef STRINGDEBUG
printf("bpchar- convert string length %d (%d) ->%d (%d)\n",
@ -330,8 +330,8 @@ varcharin(char *s, int dummy, int32 atttypmod)
if (atttypmod != -1 && len > atttypmod)
len = atttypmod; /* clip the string at max length */
if (len > 4096)
elog(ERROR, "varcharin: length of char() must be less than 4096");
if (len > BLCKSZ - 128)
elog(ERROR, "varcharin: length of char() must be less than %d",BLCKSZ-128);
result = (char *) palloc(len);
VARSIZE(result) = len;
@ -398,8 +398,8 @@ varchar(char *s, int32 slen)
len = slen - VARHDRSZ;
#endif
if (len > 4096)
elog(ERROR, "varchar: length of varchar() must be less than 4096");
if (len > BLCKSZ-128)
elog(ERROR, "varchar: length of varchar() must be less than BLCKSZ-128");
result = (char *) palloc(slen);
VARSIZE(result) = slen;

5
src/interfaces/ecpg/preproc/preproc.y
View File

@ -3355,13 +3355,12 @@ Character: character '(' Iconst ')'
sprintf(errortext, "length for '%s' type must be at least 1",$1);
yyerror(errortext);
}
else if (atol($3) > 4096) {
else if (atol($3) > BLCKSZ - 128) {
/* we can store a char() of length up to the size
* of a page (8KB) - page headers and friends but
* just to be safe here... - ay 6/95
* XXX note this hardcoded limit - thomas 1997-07-13
*/
sprintf(errortext, "length for type '%s' cannot exceed 4096",$1);
sprintf(errortext, "length for type '%s' cannot exceed %d",BLCKSZ-128);
yyerror(errortext);
}