Re: BUG #3938: Row-wise comparison fails

I wrote:
> Weird. I suppose I broke this in the operator-family rewrite.
> Will look.

Sigh ... I fat-fingered some loop control logic ...

Index: indxpath.c
===================================================================
RCS file: /cvsroot/pgsql/src/backend/optimizer/path/indxpath.c,v
retrieving revision 1.226
diff -c -r1.226 indxpath.c
*** indxpath.c 1 Jan 2008 19:45:50 -0000 1.226
--- indxpath.c 7 Feb 2008 17:46:10 -0000
***************
*** 2619,2627 ****
op_strategy, lefttype, righttype, opfam);
}
new_ops = lappend_oid(new_ops, expr_op);
}
- lefttypes_cell = lnext(lefttypes_cell);
- righttypes_cell = lnext(righttypes_cell);
}

/* If we have more than one matching col, create a subset rowcompare */
--- 2619,2627 ----
op_strategy, lefttype, righttype, opfam);
}
new_ops = lappend_oid(new_ops, expr_op);
+ lefttypes_cell = lnext(lefttypes_cell);
+ righttypes_cell = lnext(righttypes_cell);
}
}

/* If we have more than one matching col, create a subset rowcompare */

regards, tom lane