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Reject operator names >= NAMEDATALEN characters. These will not work

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anyway, and in assert-enabled builds you are likely to get an assertion
failure.  Backpatch as far as 7.3; 7.2 seems not to have the problem.
This commit is contained in:
Tom Lane 2005-08-16 00:48:58 +00:00
parent f739566069
commit bec2f429af
1 changed files with 10 additions and 1 deletions
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11
src/backend/parser/scan.l
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.102.2.1 2002/11/11 03:33:44 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/scan.l,v 1.102.2.2 2005/08/16 00:48:58 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -484,6 +484,15 @@ other .
return yytext[0];
}
/*
* Complain if operator is too long. Unlike the case
* for identifiers, we make this an error not a notice-
* and-truncate, because the odds are we are looking at
* a syntactic mistake anyway.
*/
if (nchars >= NAMEDATALEN)
yyerror("operator too long");
/* Convert "!=" operator to "<>" for compatibility */
if (strcmp(yytext, "!=") == 0)
yylval.str = pstrdup("<>");