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I send a simple patch for PL/pgSQL parser which allow now to use 

whitespaces in identifers of any kind(table names,attribute
names,variables ...) in Pl/pgSQL procedural language.Explicit definition
of bug can be found in Re: [HACKERS] Bug of PL/pgSQL parser

TODO item completed:

        o -Fix PL/PgSQL to handle quoted mixed-case identifiers

eutm
This commit is contained in:
Bruce Momjian 2002-08-04 03:59:09 +00:00
parent 7ef5634701
commit 7a84053844
1 changed files with 35 additions and 4 deletions
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39
src/pl/plpgsql/src/scan.l
View File

@ -4,7 +4,7 @@
* procedural language
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/Attic/scan.l,v 1.18 2002/07/30 16:33:08 tgl Exp $
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/Attic/scan.l,v 1.19 2002/08/04 03:59:09 momjian Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -61,9 +61,9 @@ static void plpgsql_input(char *buf, int *result, int max);
%option yylineno
WS [\200-\377_A-Za-z"]
WC [\200-\377_A-Za-z0-9"]
DQUOTE \"([^\"])*\"
WS [\200-\377_A-Za-z]
WC [\200-\377_A-Za-z0-9]
%x IN_STRING IN_COMMENT
@ -155,17 +155,48 @@ dump { return O_DUMP; }
* ----------
*/
{WS}{WC}* { return plpgsql_parse_word(yytext); }
{DQUOTE}* { return plpgsql_parse_word(yytext); }
{WS}{WC}*\.{WS}{WC}* { return plpgsql_parse_dblword(yytext); }
{WS}{WC}*\.{DQUOTE}* { return plpgsql_parse_dblword(yytext); }
{DQUOTE}*\.{WS}{WC}* { return plpgsql_parse_dblword(yytext); }
{DQUOTE}*\.{DQUOTE}* { return plpgsql_parse_dblword(yytext); }
{WS}{WC}*\.{WS}{WC}*\.{WS}{WC}* { return plpgsql_parse_tripword(yytext); }
{WS}{WC}*\.{WS}{WC}*\.{DQUOTE}* { return plpgsql_parse_tripword(yytext); }
{WS}{WC}*\.{DQUOTE}*\.{WS}{WC}* { return plpgsql_parse_tripword(yytext); }
{WS}{WC}*\.{DQUOTE}*\.{DQUOTE}* { return plpgsql_parse_tripword(yytext); }
{DQUOTE}*\.{WS}{WC}*\.{WS}{WC}* { return plpgsql_parse_tripword(yytext); }
{DQUOTE}*\.{WS}{WC}*\.{DQUOTE}* { return plpgsql_parse_tripword(yytext); }
{DQUOTE}*\.{DQUOTE}*\.{WS}{WC}* { return plpgsql_parse_tripword(yytext); }
{DQUOTE}*\.{DQUOTE}*\.{DQUOTE}* { return plpgsql_parse_tripword(yytext); }
{WS}{WC}*%TYPE { return plpgsql_parse_wordtype(yytext); }
{DQUOTE}*%TYPE { return plpgsql_parse_wordtype(yytext); }
{WS}{WC}*\.{WS}{WC}*%TYPE { return plpgsql_parse_dblwordtype(yytext); }
{WS}{WC}*\.{DQUOTE}*%TYPE { return plpgsql_parse_dblwordtype(yytext); }
{DQUOTE}*\.{WS}{WC}*%TYPE { return plpgsql_parse_dblwordtype(yytext); }
{DQUOTE}*\.{DQUOTE}*%TYPE { return plpgsql_parse_dblwordtype(yytext); }
{WS}{WC}*%ROWTYPE { return plpgsql_parse_wordrowtype(yytext); }
{DQUOTE}*%ROWTYPE { return plpgsql_parse_wordrowtype(yytext); }
\$[0-9]+ { return plpgsql_parse_word(yytext); }
\$[0-9]+\.{WS}{WC}* { return plpgsql_parse_dblword(yytext); }
\$[0-9]+\.{DQUOTE}* { return plpgsql_parse_dblword(yytext); }
\$[0-9]+\.{WS}{WC}*\.{WS}{WC}* { return plpgsql_parse_tripword(yytext); }
\$[0-9]+\.{WS}{WC}*\.{DQUOTE}* { return plpgsql_parse_tripword(yytext); }
\$[0-9]+\.{DQUOTE}*\.{WS}{WC}* { return plpgsql_parse_tripword(yytext); }
\$[0-9]+\.{DQUOTE}*\.{DQUOTE}* { return plpgsql_parse_tripword(yytext); }
\$[0-9]+%TYPE { return plpgsql_parse_wordtype(yytext); }
\$[0-9]+\.{WS}{WC}*%TYPE { return plpgsql_parse_dblwordtype(yytext); }
\$[0-9]+\.{DQUOTE}*%TYPE { return plpgsql_parse_dblwordtype(yytext); }
\$[0-9]+%ROWTYPE { return plpgsql_parse_wordrowtype(yytext); }
[0-9]+ { return T_NUMBER; }