From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
---|---|
To: | rucsoftsec(at)163(dot)com |
Cc: | pgsql-bugs(at)postgresql(dot)org |
Subject: | Re: BUG #13764: function ghstore_consistent() returns a wrong value if var "strategy" contains an unsupported number |
Date: | 2015-11-10 15:15:37 |
Message-ID: | 20151110151537.GB614468@alvherre.pgsql |
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Lists: | pgsql-bugs |
rucsoftsec(at)163(dot)com wrote:
> function ghstore_consistent() computes the consistency and return a bool
> value. It first computes the value of variable "strategy". It second
> executes different branches of the code depending of different value of
> variable "straregy". When the value of variable"strategy" is an unsupported
> strategy number, function ghstore_consistent() will executes the code in
> line 584. It means function ghstore_consistent() fails, but the value of
> variable "res" is "true" which will be returned in line 586. Therefore, does
> it need to assign "false" to variable "res" after line 584?
No, because elog(ERROR) never returns and so the "return" in
ghstore_consistent() is not reached. It doesn't matter what value "res"
contains.
--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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