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Fix "Unable to identify an operator =$" problem that occurred when pgsql 

expressions were written without spaces between operators and operands.
Problem was that something like "if new.f1=new.f2 then" would be translated
to "if $1=$2 then", and the Postgres lexer would tokenize that the wrong
way.  Fix is to emit spaces around $paramno constructs to ensure they are
seen as separate tokens.
This commit is contained in:
Tom Lane 1999-11-28 22:02:17 +00:00
parent fb55fa0478
commit 66dbcd47ed
1 changed files with 16 additions and 16 deletions
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32
src/pl/plpgsql/src/gram.y
View File

@ -4,7 +4,7 @@
* procedural language
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/gram.y,v 1.7 1999/08/16 19:57:21 momjian Exp $
* $Header: /cvsroot/pgsql/src/pl/plpgsql/src/gram.y,v 1.8 1999/11/28 22:02:17 tgl Exp $
*
* This software is copyrighted by Jan Wieck - Hamburg.
*
@ -776,19 +776,19 @@ fori_lower :
switch (tok) {
case T_VARIABLE:
params[nparams] = yylval.var->varno;
sprintf(buf, "$%d", ++nparams);
sprintf(buf, " $%d ", ++nparams);
plpgsql_dstring_append(&ds, buf);
break;
case T_RECFIELD:
params[nparams] = yylval.recfield->rfno;
sprintf(buf, "$%d", ++nparams);
sprintf(buf, " $%d ", ++nparams);
plpgsql_dstring_append(&ds, buf);
break;
case T_TGARGV:
params[nparams] = yylval.trigarg->dno;
sprintf(buf, "$%d", ++nparams);
sprintf(buf, " $%d ", ++nparams);
plpgsql_dstring_append(&ds, buf);
break;
@ -1118,19 +1118,19 @@ read_sqlstmt (int until, char *s, char *sqlstart)
switch (tok) {
case T_VARIABLE:
params[nparams] = yylval.var->varno;
sprintf(buf, "$%d", ++nparams);
sprintf(buf, " $%d ", ++nparams);
plpgsql_dstring_append(&ds, buf);
break;
case T_RECFIELD:
params[nparams] = yylval.recfield->rfno;
sprintf(buf, "$%d", ++nparams);
sprintf(buf, " $%d ", ++nparams);
plpgsql_dstring_append(&ds, buf);
break;
case T_TGARGV:
params[nparams] = yylval.trigarg->dno;
sprintf(buf, "$%d", ++nparams);
sprintf(buf, " $%d ", ++nparams);
plpgsql_dstring_append(&ds, buf);
break;
@ -1205,19 +1205,19 @@ make_select_stmt()
switch (tok) {
case T_VARIABLE:
params[nparams] = yylval.var->varno;
sprintf(buf, "$%d", ++nparams);
sprintf(buf, " $%d ", ++nparams);
plpgsql_dstring_append(&ds, buf);
break;
case T_RECFIELD:
params[nparams] = yylval.recfield->rfno;
sprintf(buf, "$%d", ++nparams);
sprintf(buf, " $%d ", ++nparams);
plpgsql_dstring_append(&ds, buf);
break;
case T_TGARGV:
params[nparams] = yylval.trigarg->dno;
sprintf(buf, "$%d", ++nparams);
sprintf(buf, " $%d ", ++nparams);
plpgsql_dstring_append(&ds, buf);
break;
@ -1338,19 +1338,19 @@ make_select_stmt()
switch (tok) {
case T_VARIABLE:
params[nparams] = yylval.var->varno;
sprintf(buf, "$%d", ++nparams);
sprintf(buf, " $%d ", ++nparams);
plpgsql_dstring_append(&ds, buf);
break;
case T_RECFIELD:
params[nparams] = yylval.recfield->rfno;
sprintf(buf, "$%d", ++nparams);
sprintf(buf, " $%d ", ++nparams);
plpgsql_dstring_append(&ds, buf);
break;
case T_TGARGV:
params[nparams] = yylval.trigarg->dno;
sprintf(buf, "$%d", ++nparams);
sprintf(buf, " $%d ", ++nparams);
plpgsql_dstring_append(&ds, buf);
break;
@ -1385,19 +1385,19 @@ make_select_stmt()
switch (tok) {
case T_VARIABLE:
params[nparams] = yylval.var->varno;
sprintf(buf, "$%d", ++nparams);
sprintf(buf, " $%d ", ++nparams);
plpgsql_dstring_append(&ds, buf);
break;
case T_RECFIELD:
params[nparams] = yylval.recfield->rfno;
sprintf(buf, "$%d", ++nparams);
sprintf(buf, " $%d ", ++nparams);
plpgsql_dstring_append(&ds, buf);
break;
case T_TGARGV:
params[nparams] = yylval.trigarg->dno;
sprintf(buf, "$%d", ++nparams);
sprintf(buf, " $%d ", ++nparams);
plpgsql_dstring_append(&ds, buf);
break;