Update of /cvsroot/monetdb/pathfinder/compiler/algebra
In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv15930/compiler/algebra
Modified Files:
logical.c
Log Message:
-- Changed the semantic content of the la_ref_tbl operator.
-- In the semantic content of the la_ref_tbl operator we now store the
*positions* (w.r.t. the schema) of key attributes instead of their names, so
that renamings of attribute names (e.g. by some plan optimization phases) don't
have to be done additionally on this key attribute infos.
Index: logical.c
===================================================================
RCS file: /cvsroot/monetdb/pathfinder/compiler/algebra/logical.c,v
retrieving revision 1.68
retrieving revision 1.69
diff -u -d -r1.68 -r1.69
--- logical.c 6 Dec 2007 08:42:13 -0000 1.68
+++ logical.c 6 Dec 2007 22:41:33 -0000 1.69
@@ -445,9 +445,8 @@
* with annotated types.
* @param tatts String list ("external" attribute/column
* names).
- * @param keys Attribute list ("internal" attribute names) of
- * key attributes.
- *
+ * @param keys Array holding the *positions* (w.r.t. the
+ * schema) of key attributes
*/
PFla_op_t *
PFla_ref_tbl_ (const char* name,
@@ -493,7 +492,7 @@
*(char**) PFarray_add (ret->sem.ref_tbl.tatts) = copiedValue;
}
-
+
/* (it's save to) shallow copy the list of key-attribute-names */
ret->sem.ref_tbl.keys = PFarray_copy(keys);
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