MonetDB: Oct2010 - disable mergetable semijoin on (bat,mat)

[Niels Nes]

Changeset: 1d95707502ef for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=1d95707502ef
Modified Files:
        MonetDB5/src/optimizer/opt_mergetable.mx
Branch: Oct2010
Log Message:

disable mergetable semijoin on (bat,mat)


diffs (12 lines):

diff -r c1874aba5d81 -r 1d95707502ef MonetDB5/src/optimizer/opt_mergetable.mx
--- a/MonetDB5/src/optimizer/opt_mergetable.mx  Mon Nov 08 12:40:14 2010 +0100
+++ b/MonetDB5/src/optimizer/opt_mergetable.mx  Mon Nov 08 21:05:09 2010 +0100
@@ -2147,7 +2147,7 @@
                        actions++;
                        continue;
                }
-               if (match == 1 && getModuleId(p) == algebraRef && 
getFunctionId(p) == semijoinRef &&
+               if (0 && match == 1 && getModuleId(p) == algebraRef && 
getFunctionId(p) == semijoinRef &&
                        ((m=isMATalias(getArg(p,2), mat, mtop)) >= 0) &&
                        varGetProp(mb, getArg(p,1), hlbProp)) {
                        InstrPtr bc;
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