MonetDB: default - Add optimizer defense line

[Martin Kersten]

Changeset: b08c82c423f1 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=b08c82c423f1
Modified Files:
        monetdb5/optimizer/opt_support.c
Branch: default
Log Message:

Add optimizer defense line
Before the optimizer pipeline starts, make a thorough check
on the legimity of the MAL block.


diffs (15 lines):

diff --git a/monetdb5/optimizer/opt_support.c b/monetdb5/optimizer/opt_support.c
--- a/monetdb5/optimizer/opt_support.c
+++ b/monetdb5/optimizer/opt_support.c
@@ -250,6 +250,11 @@ optimizeMALBlock(Client cntxt, MalBlkPtr
        if ( mb->inlineProp)
                return 0;
 
+       /* force at least once a complete type check by resetting the type 
check flag */
+       resetMalBlk(mb,mb->stop);
+       chkTypes(cntxt->fdout, cntxt->nspace, mb, TRUE);
+       chkFlow(cntxt->fdout, mb);
+       chkDeclarations(cntxt->fdout, mb);
 
        do {
                /* any errors should abort the optimizer */
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