| From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Vadim Mikheev <vadim(at)krs(dot)ru> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-hackers(at)postgreSQL(dot)org |
| Subject: | Re: [HACKERS] Re: Apparent bug in _make_subplan |
| Date: | 1999-06-18 04:43:07 |
| Message-ID: | 199906180443.AAA16066@candle.pha.pa.us |
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| Thread: | |
| Lists: | pgsql-hackers |
> subselect.c uses varlevelsup as absolute level number only
> for correlation vars <--> params mapping, so why should it be
> source of bugs? SS_replace_correlation_vars replaces all
> correlation vars with parameters. Vars with absolute varlevelsup
> are in PlannerParamVar only. To identify correlation vars and
> to know is parameter already assigned to a var we obviously
> need in absolute level number.
But the varlevelsup I pass in from the parser are relative to the
current level, not absolute.
--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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