Task #8531: Nieuw function for the TreeStatusEvent daemon.

.gitattributes

@@ -4807,6 +4807,7 @@ SAS/OTDB/sql/getDefaultTemplates_func.sql -text
 SAS/OTDB/sql/getModifiedTrees_func.sql -text
 SAS/OTDB/sql/getMomID2treeID_func.sql -text
 SAS/OTDB/sql/getSchedulerInfo_func.sql -text
+SAS/OTDB/sql/getStateChanges_func.sql -text
 SAS/OTDB/sql/getTreeGroup_func.sql -text
 SAS/OTDB/sql/getTreesInPeriod_func.sql -text
 SAS/OTDB/sql/getVTitem_func.sql -text

SAS/OTDB/sql/create_tree_table.sql

@@ -37,6 +37,7 @@ DROP SEQUENCE IF EXISTS	OTDBtreeID;
 DROP SEQUENCE IF EXISTS	OTDBgroupID;
 DROP TABLE IF EXISTS StateHistory CASCADE;
 DROP INDEX IF EXISTS otdbtree_treeid_indx;
+DROP INDEX IF EXISTS statehist_creation_idx;
 
 CREATE SEQUENCE	OTDBtreeID START 1;
 -- Create a new start number based on current time. To prevent overlap in treeid's
@@ -98,6 +99,9 @@ CREATE TABLE StateHistory (
 	momID		INT4			NOT NULL,
 	state		INT2			NOT NULL,
 	userID		INT4			NOT NULL REFERENCES operator(ID),
-	timestamp	TIMESTAMP(0)	DEFAULT now()
+	timestamp	TIMESTAMP(0)	DEFAULT now(),
+	creation	TIMESTAMP(6)	DEFAULT now()
 ) WITHOUT OIDS;
 
+CREATE INDEX statehist_creation_idx ON statehistory(creation);
+

SAS/OTDB/sql/getStateChanges_func.sql

+--
+--  getStateChanges.sql: function for getting state changes in a given period
+--
+--  Copyright (C) 2015
+--  ASTRON (Netherlands Foundation for Research in Astronomy)
+--  P.O.Box 2, 7990 AA Dwingeloo, The Netherlands, softwaresupport@astron.nl
+--
+--  This program is free software; you can redistribute it and/or modify
+--  it under the terms of the GNU General Public License as published by
+--  the Free Software Foundation; either version 2 of the License, or
+--  (at your option) any later version.
+--
+--  This program is distributed in the hope that it will be useful,
+--  but WITHOUT ANY WARRANTY; without even the implied warranty of
+--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+--  GNU General Public License for more details.
+--
+--  You should have received a copy of the GNU General Public License
+--  along with this program; if not, write to the Free Software
+--  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+--
+--  $Id: getStateList_func.sql 30919 2015-02-05 15:26:22Z amesfoort $
+--
+
+--
+-- getStateChanges(begindate, enddate)
+-- 
+-- Get a list of statechanges.
+--
+-- Authorisation: none
+--
+-- Tables: 	otdbtree	read
+--			otdbuser	read
+--
+-- Types:	treeState
+--
+DROP TYPE IF EXISTS	stateChange		CASCADE;
+CREATE TYPE stateChange AS (
+    --  $Id: create_types.sql 30919 2015-02-05 15:26:22Z amesfoort $
+	treeID			INT4,			-- OTDBtree.treeID%TYPE,
+	momID			INT4,			-- OTDBtree.momID%TYPE,
+	state			INT2,			-- treestate.ID%TYPE,
+	username		VARCHAR(20),	-- OTDBuser.username%TYPE,
+	modtime			timestamp(0),
+    creation		timestamp(6)
+);
+
+CREATE OR REPLACE FUNCTION getStateChanges(TIMESTAMP(6), TIMESTAMP(6))
+  RETURNS SETOF stateChange AS '
+    --  $Id: getStateList_func.sql 30919 2015-02-05 15:26:22Z amesfoort $
+	DECLARE
+		vRecord		RECORD;
+		vQuery		TEXT;
+		vKeyField	TEXT;
+
+	BEGIN
+	  -- create query for treeID (when filled)
+	  vQuery := \'WHERE \';
+	  IF $1 IS NOT NULL THEN
+	    IF $2 IS NULL THEN
+		  vQuery := vQuery || \'s.creation >\' || chr(39) || $1 || chr(39);
+		ELSE
+		  vQuery := vQuery || \'s.creation >\' || chr(39) || $1 || chr(39)
+					   || \' AND s.creation <=\' || chr(39) || $2 || chr(39);
+		END IF;
+	  END IF;
+
+	  -- do selection
+	  FOR vRecord IN  EXECUTE \'
+		SELECT s.treeID, 
+			   s.momID,
+			   s.state, 
+			   u.username, 
+			   s.timestamp,
+               s.creation
+		FROM   StateHistory s 
+			   INNER JOIN OTDBuser u ON s.userid = u.userid
+		\' || vQuery || \'
+		ORDER BY s.creation ASC\'
+	  LOOP
+		RETURN NEXT vRecord;
+	  END LOOP;
+	  RETURN;
+	END
+' LANGUAGE plpgsql;
+
+
+