[open-ils-commits] r16466 - in trunk/Open-ILS: examples src/sql/Pg src/sql/Pg/upgrade (scottmk)

svn at svn.open-ils.org svn at svn.open-ils.org
Thu May 20 16:35:18 EDT 2010


Author: scottmk
Date: 2010-05-20 16:35:12 -0400 (Thu, 20 May 2010)
New Revision: 16466

Added:
   trunk/Open-ILS/src/sql/Pg/upgrade/0269.schema.query-xisnull.sql
Modified:
   trunk/Open-ILS/examples/fm_IDL.xml
   trunk/Open-ILS/src/sql/Pg/002.schema.config.sql
   trunk/Open-ILS/src/sql/Pg/008.schema.query.sql
Log:
Create database support for IS [NOT] NULL expressions
in stored queries.

M    Open-ILS/src/sql/Pg/002.schema.config.sql
M    Open-ILS/src/sql/Pg/008.schema.query.sql
A    Open-ILS/src/sql/Pg/upgrade/0269.schema.query-xisnull.sql
M    Open-ILS/examples/fm_IDL.xml


Modified: trunk/Open-ILS/examples/fm_IDL.xml
===================================================================
--- trunk/Open-ILS/examples/fm_IDL.xml	2010-05-20 16:01:51 UTC (rev 16465)
+++ trunk/Open-ILS/examples/fm_IDL.xml	2010-05-20 20:35:12 UTC (rev 16466)
@@ -6905,6 +6905,23 @@
 		</permacrud>
 	</class>
 
+	<class id="xisnull" controller="open-ils.cstore open-ils.pcrud" oils_obj:fieldmapper="query::expr_xisnull" oils_persist:tablename="query.expr_xisnull" reporter:label="IS NULL Expression">
+		<fields oils_persist:primary="id" oils_persist:sequence="expression_id_seq">
+			<field reporter:label="Expression ID" name="id" reporter:datatype="id"/>
+			<field reporter:label="Is Parenthesized" name="parenthesize" reporter:datatype="bool"/>
+			<field reporter:label="Parent Expression" name="parent_expr" reporter:datatype="link"/>
+			<field reporter:label="Sequence Number" name="seq_no" reporter:datatype="int"/>
+			<field reporter:label="Left Operand" name="left_operand" reporter:datatype="link"/>
+			<field reporter:label="Negate?" name="negate" reporter:datatype="bool"/>
+		</fields>
+		<links>
+			<link field="parent_expr" reltype="might_have" key="id" map="" class="qxp"/>
+			<link field="left_operand" reltype="might_have" key="id" map="" class="qxp"/>
+		</links>
+		<permacrud xmlns="http://open-ils.org/spec/opensrf/IDL/permacrud/v1">
+		</permacrud>
+	</class>
+
 	<class id="xnull" controller="open-ils.cstore open-ils.pcrud" oils_obj:fieldmapper="query::expr_xnull" oils_persist:tablename="query.expr_xnull" reporter:label="Null Expression">
 		<fields oils_persist:primary="id" oils_persist:sequence="expression_id_seq">
 			<field reporter:label="Expression ID" name="id" reporter:datatype="id"/>

Modified: trunk/Open-ILS/src/sql/Pg/002.schema.config.sql
===================================================================
--- trunk/Open-ILS/src/sql/Pg/002.schema.config.sql	2010-05-20 16:01:51 UTC (rev 16465)
+++ trunk/Open-ILS/src/sql/Pg/002.schema.config.sql	2010-05-20 20:35:12 UTC (rev 16466)
@@ -65,7 +65,7 @@
     install_date    TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
 );
 
-INSERT INTO config.upgrade_log (version) VALUES ('0268'); -- miker
+INSERT INTO config.upgrade_log (version) VALUES ('0269'); -- Scott McKellar
 
 CREATE TABLE config.bib_source (
 	id		SERIAL	PRIMARY KEY,

Modified: trunk/Open-ILS/src/sql/Pg/008.schema.query.sql
===================================================================
--- trunk/Open-ILS/src/sql/Pg/008.schema.query.sql	2010-05-20 16:01:51 UTC (rev 16465)
+++ trunk/Open-ILS/src/sql/Pg/008.schema.query.sql	2010-05-20 20:35:12 UTC (rev 16466)
@@ -134,6 +134,7 @@
 									'xfld',    -- field
 									'xfunc',   -- function
 									'xin',     -- in
+									'xisnull'  -- is null
 	                             	'xnull',   -- null
 									'xnum',    -- number
 									'xop',     -- operator
@@ -868,6 +869,60 @@
     DO INSTEAD
     DELETE FROM query.expression WHERE id = OLD.id;
 
+-- Create updatable view for IS NULL expressions
+
+CREATE OR REPLACE VIEW query.expr_xisnull AS
+    SELECT
+		id,
+		parenthesize,
+		parent_expr,
+		seq_no,
+		left_operand,
+		negate
+    FROM
+        query.expression
+    WHERE
+        type = 'xisnull';
+
+CREATE OR REPLACE RULE query_expr_xisnull_insert_rule AS
+    ON INSERT TO query.expr_xisnull
+    DO INSTEAD
+    INSERT INTO query.expression (
+		id,
+		type,
+		parenthesize,
+		parent_expr,
+		seq_no,
+		left_operand,
+		negate
+    ) VALUES (
+        COALESCE(NEW.id, NEXTVAL('query.expression_id_seq'::REGCLASS)),
+        'xisnull',
+        COALESCE(NEW.parenthesize, FALSE),
+        NEW.parent_expr,
+        COALESCE(NEW.seq_no, 1),
+		NEW.left_operand,
+		NEW.negate
+    );
+
+CREATE OR REPLACE RULE query_expr_xisnull_update_rule AS
+    ON UPDATE TO query.expr_xisnull
+    DO INSTEAD
+    UPDATE query.expression SET
+        id = NEW.id,
+        parenthesize = NEW.parenthesize,
+        parent_expr = NEW.parent_expr,
+        seq_no = NEW.seq_no,
+		left_operand = NEW.left_operand,
+		negate = NEW.negate
+    WHERE
+        id = OLD.id;
+
+CREATE OR REPLACE RULE query_expr_xisnull_delete_rule AS
+    ON DELETE TO query.expr_xisnull
+    DO INSTEAD
+    DELETE FROM query.expression WHERE id = OLD.id;
+
 -- Create updatable view for NULL expressions
 
 CREATE OR REPLACE VIEW query.expr_xnull AS

Added: trunk/Open-ILS/src/sql/Pg/upgrade/0269.schema.query-xisnull.sql
===================================================================
--- trunk/Open-ILS/src/sql/Pg/upgrade/0269.schema.query-xisnull.sql	                        (rev 0)
+++ trunk/Open-ILS/src/sql/Pg/upgrade/0269.schema.query-xisnull.sql	2010-05-20 20:35:12 UTC (rev 16466)
@@ -0,0 +1,85 @@
+BEGIN;
+
+-- Create new expression type for IS [NOT] NULL
+
+INSERT INTO config.upgrade_log (version) VALUES ('0269'); -- Scott McKellar
+
+ALTER TABLE query.expression
+	DROP CONSTRAINT expression_type;
+
+ALTER TABLE query.expression
+	ADD CONSTRAINT expression_type CHECK
+    ( type IN (
+		'xbet',    -- between
+		'xbind',   -- bind variable
+		'xbool',   -- boolean
+		'xcase',   -- case
+		'xcast',   -- cast
+		'xcol',    -- column
+		'xex',     -- exists
+		'xfld',    -- field
+		'xfunc',   -- function
+		'xin',     -- in
+		'xisnull'  -- is null
+		'xnull',   -- null
+		'xnum',    -- number
+		'xop',     -- operator
+		'xstr',    -- string
+		'xsubq'    -- subquery
+	) );
+
+-- Create updatable view for IS NULL expressions
+
+CREATE OR REPLACE VIEW query.expr_xisnull AS
+    SELECT
+		id,
+		parenthesize,
+		parent_expr,
+		seq_no,
+		left_operand,
+		negate
+    FROM
+        query.expression
+    WHERE
+        type = 'xisnull';
+
+CREATE OR REPLACE RULE query_expr_xisnull_insert_rule AS
+    ON INSERT TO query.expr_xisnull
+    DO INSTEAD
+    INSERT INTO query.expression (
+		id,
+		type,
+		parenthesize,
+		parent_expr,
+		seq_no,
+		left_operand,
+		negate
+    ) VALUES (
+        COALESCE(NEW.id, NEXTVAL('query.expression_id_seq'::REGCLASS)),
+        'xisnull',
+        COALESCE(NEW.parenthesize, FALSE),
+        NEW.parent_expr,
+        COALESCE(NEW.seq_no, 1),
+		NEW.left_operand,
+		NEW.negate
+    );
+
+CREATE OR REPLACE RULE query_expr_xisnull_update_rule AS
+    ON UPDATE TO query.expr_xisnull
+    DO INSTEAD
+    UPDATE query.expression SET
+        id = NEW.id,
+        parenthesize = NEW.parenthesize,
+        parent_expr = NEW.parent_expr,
+        seq_no = NEW.seq_no,
+		left_operand = NEW.left_operand,
+		negate = NEW.negate
+    WHERE
+        id = OLD.id;
+
+CREATE OR REPLACE RULE query_expr_xisnull_delete_rule AS
+    ON DELETE TO query.expr_xisnull
+    DO INSTEAD
+    DELETE FROM query.expression WHERE id = OLD.id;
+
+COMMIT;



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