Partial fix for select distinct in subselect.
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@ -7,7 +7,7 @@
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*
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*
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* IDENTIFICATION
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* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.39 1998/02/21 06:31:40 scrappy Exp $
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* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.40 1998/02/23 02:54:11 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -549,7 +549,10 @@ _copyUnique(Unique *from)
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* copy remainder of node
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* ----------------
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*/
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newnode->uniqueAttr = pstrdup(from->uniqueAttr);
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if (newnode->uniqueAttr)
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newnode->uniqueAttr = pstrdup(from->uniqueAttr);
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else
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newnode->uniqueAttr = NULL;
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newnode->uniqueAttrNum = from->uniqueAttrNum;
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Node_Copy(from, newnode, uniquestate);
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