Update of /cvsroot/monetdb/pathfinder/compiler/include
In directory
sfp-cvsdas-1.v30.ch3.sourceforge.com:/tmp/cvs-serv23090/compiler/include
Modified Files:
Tag: M5XQ
properties.h
Log Message:
propagated changes of Thursday Mar 18 2010
from the XQFT branch to the M5XQ branch
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2010/03/18 - sjoerd: compiler/include/properties.h,1.53.10.2
propagated changes of Wednesday Mar 17 2010 - Thursday Mar 18 2010
from the development trunk to the XQFT branch
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2010/03/17 - tsheyar: compiler/include/properties.h,1.55
-- Introduced a new column-name-origin property that enhances the column
names
in the DOT generated algebra plans. If a column stems from a ref_tbl or a
path step we now keep the original name throughout the plan.
(Use pf-option -fN to print the mapping of original names.)
-- Make property usage a little bit more defensive. Instead of !PFprop_icol
a new function PFprop_not_icol is introduced that copes correctly with
missing property information.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Index: properties.h
===================================================================
RCS file: /cvsroot/monetdb/pathfinder/compiler/include/properties.h,v
retrieving revision 1.51.2.3
retrieving revision 1.51.2.4
diff -u -d -r1.51.2.3 -r1.51.2.4
--- properties.h 8 Jan 2010 09:03:21 -0000 1.51.2.3
+++ properties.h 18 Mar 2010 11:45:59 -0000 1.51.2.4
@@ -89,6 +89,7 @@
nodes for the operator */
PFarray_t *ckeys; /**< List of composite lists of columns that
build a key for a relation. */
+ PFarray_t *name_origin; /**< List of original names of columns */
/* to allow peep-hole optimizations we also store property
information of the children (left child 'l_', right child 'r_' */
@@ -183,6 +184,13 @@
};
typedef struct level_t level_t;
+/* name origin item */
+struct name_origin_t {
+ PFalg_col_t col;
+ char * name;
+};
+typedef struct name_origin_t name_origin_t;
+
/**
* Create new property container.
*/
@@ -197,6 +205,7 @@
bool key, bool fd, bool ocols, bool req_node,
bool reqval, bool level, bool refctr,
bool guides, bool ori_names, bool unq_names,
+ bool name_origin,
PFla_op_t *root, PFguide_list_t *guide_list);
/**
@@ -234,6 +243,7 @@
void PFprop_infer_reqval (PFla_op_t *root);
void PFprop_infer_unq_names (PFla_op_t *root);
void PFprop_infer_ori_names (PFla_op_t *root);
+void PFprop_infer_name_origin (PFla_op_t *root);
void PFprop_infer_level (PFla_op_t *root);
void PFprop_infer_refctr (PFla_op_t *root);
void PFprop_infer_guide (PFla_op_t *root, PFguide_list_t *guides);
@@ -403,6 +413,11 @@
bool PFprop_icol (const PFprop_t *prop, PFalg_col_t col);
/**
+ * Test if @a col is *not* in the list of icol columns in container @a prop
+ */
+bool PFprop_not_icol (const PFprop_t *prop, PFalg_col_t col);
+
+/**
* Test if @a col is in the list of icol columns of the left child
* (information is stored in property container @a prop)
*/
@@ -654,6 +669,13 @@
#define UNKNOWN_LEVEL -2
#define LEVEL_KNOWN(l) (l > UNKNOWN_LEVEL)
+/* --------------------- name origin property accessors -------------------- */
+
+/**
+ * Return the original name of column @a col (in container @a prop).
+ */
+char * PFprop_name_origin (const PFprop_t *prop, PFalg_col_t col);
+
/* ------------------ reference counter property accessors ----------------- */
/**
------------------------------------------------------------------------------
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