From: | Brett McCormick <brett(at)techno(dot)chicken(dot)org> |
---|---|
To: | pgsql-hackers(at)hub(dot)org |
Subject: | v6.3 snapshot core dump |
Date: | 1998-02-13 11:19:44 |
Message-ID: | 199802131119.DAA10021@abraxas.scene.com |
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Lists: | pgsql-hackers |
this is the latest snapshot under linux 2.0.33
when I create a view with an aggregate such as count (with a group by
clause) I get a core dump. The first three lines of the gdb backtrace
follows:
#0 0x80a9982 in ExecEvalAggreg (agg=0x820fa20, econtext=0x8213a48,
isNull=0xbfffd6cf "") at execQual.c:201
#1 0x80ab271 in ExecEvalExpr (expression=0x820fa20, econtext=0x8213a48,
isNull=0xbfffd6cf "", isDone=0xbfffd7c3 "\001\fZ\031\b\030K!\b")
at execQual.c:1199
#2 0x80ab69b in ExecTargetList (targetlist=0x8213498, nodomains=2,
targettype=0x8214990, values=0x8214b48, econtext=0x8213a48,
isDone=0xbfffd7c3 "\001\fZ\031\b\030K!\b") at execQual.c:1484
code at point:
201 *isNull = econtext->ecxt_nulls[agg->aggno];
econtext->ecxt_nulls, is, well, a NULL pointer and hard to index :)
i'll take a look but I don't think I'll find it -- i notice that 6.2.1
pretends to make a view with aggregates but then it comes up empty
when selected.
--brett
let me know if you need more info
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