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Fix the raw-parsetree representation of star (as in SELECT * FROM or

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SELECT foo.*) so that it cannot be confused with a quoted identifier "*".
Instead create a separate node type A_Star to represent this notation.
Per pgsql-hackers discussion of 2007-Sep-27.
This commit is contained in:
Tom Lane
2008-08-30 01:39:14 +00:00
parent 6253f9de67
commit 449a00fbbd
13 changed files with 223 additions and 106 deletions
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18
src/backend/commands/async.c
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@ -7,7 +7,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/async.c,v 1.140 2008/03/26 21:10:37 alvherre Exp $
* $PostgreSQL: pgsql/src/backend/commands/async.c,v 1.141 2008/08/30 01:39:13 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -274,24 +274,16 @@ Async_Listen(const char *relname)
void
Async_Unlisten(const char *relname)
{
/* Handle specially the `unlisten "*"' command */
if ((!relname) || (*relname == '\0') || (strcmp(relname, "*") == 0))
{
Async_UnlistenAll();
}
else
{
if (Trace_notify)
elog(DEBUG1, "Async_Unlisten(%s,%d)", relname, MyProcPid);
if (Trace_notify)
elog(DEBUG1, "Async_Unlisten(%s,%d)", relname, MyProcPid);
queue_listen(LISTEN_UNLISTEN, relname);
}
queue_listen(LISTEN_UNLISTEN, relname);
}
/*
* Async_UnlistenAll
*
* This is invoked by UNLISTEN "*" command, and also at backend exit.
* This is invoked by UNLISTEN * command, and also at backend exit.
*/
void
Async_UnlistenAll(void)