From 9e3e1458c3ac5e472013c912e1b63d532f45cf47 Mon Sep 17 00:00:00 2001
From: Alexander Schlemmer <alexander@mail-schlemmer.de>
Date: Sat, 5 Oct 2019 19:04:56 +0200
Subject: [PATCH] DOC: added a little bit of documentation to the query sql for
pov
---
procedures/query/applyPOV.sql | 28 +++++++++++++++++++++++++++-
1 file changed, 27 insertions(+), 1 deletion(-)
diff --git a/procedures/query/applyPOV.sql b/procedures/query/applyPOV.sql
index aab2eb1..58fed61 100644
--- a/procedures/query/applyPOV.sql
+++ b/procedures/query/applyPOV.sql
@@ -24,7 +24,21 @@
DROP PROCEDURE IF EXISTS db_2_0.applyPOV;
DELIMITER //
-CREATE PROCEDURE db_2_0.applyPOV(in sourceSet VARCHAR(255), in targetSet VARCHAR(255), in propertiesTable VARCHAR(255), in refIdsTable VARCHAR(255), in o CHAR(4), in vText VARCHAR(255), in vInt INT, in vDouble DOUBLE, in unit_sig BIGINT, in vDoubleStdUnit DOUBLE, in stdUnit_sig BIGINT, in vDateTime VARCHAR(255), in vDateTimeDotNotation VARCHAR(255), in agg CHAR(3), in pname VARCHAR(255))
+CREATE PROCEDURE db_2_0.applyPOV(in sourceSet VARCHAR(255),
+ in targetSet VARCHAR(255),
+ in propertiesTable VARCHAR(255),
+ in refIdsTable VARCHAR(255),
+ in o CHAR(4),
+ in vText VARCHAR(255),
+ in vInt INT,
+ in vDouble DOUBLE,
+ in unit_sig BIGINT,
+ in vDoubleStdUnit DOUBLE,
+ in stdUnit_sig BIGINT,
+ in vDateTime VARCHAR(255),
+ in vDateTimeDotNotation VARCHAR(255),
+ in agg CHAR(3),
+ in pname VARCHAR(255))
POV_LABEL: BEGIN
DECLARE data TEXT DEFAULT NULL; /*data subselect statement string*/
DECLARE sTextData VARCHAR(20000) DEFAULT NULL; /*SELECT PREFIX for data subselect plus WHERE CLAUSE for text_data*/
@@ -55,6 +69,18 @@ POV_LABEL: BEGIN
#-- special case: property IS NOT NULL
#-- generate statement parts
SET vText = NULL;
+ /* Union of the following tables:
+ text_data
+ enum_data
+ integer_data
+ date_data
+ datetime_data
+ reference_data
+ double_data
+ Notes:
+ SELECT DISTINCT -> No duplicate values
+ UNION ALL -> Allow also duplicate values
+ */
SET sTextData = 'SELECT DISTINCT domain_id, entity_id, property_id FROM `text_data` AS subdata WHERE subdata.value IS NOT NULL UNION ALL SELECT DISTINCT domain_id, entity_id, property_id FROM `enum_data` AS subdata WHERE subdata.value IS NOT NULL UNION ALL SELECT DISTINCT domain_id, entity_id, property_id FROM `integer_data` AS subdata WHERE subdata.value IS NOT NULL UNION ALL SELECT DISTINCT domain_id, entity_id, property_id FROM `double_data` AS subdata WHERE subdata.value IS NOT NULL UNION ALL SELECT DISTINCT domain_id, entity_id, property_id FROM `date_data` AS subdata WHERE subdata.value IS NOT NULL UNION ALL SELECT DISTINCT domain_id, entity_id, property_id FROM `datetime_data` AS subdata WHERE subdata.value IS NOT NULL UNION ALL SELECT DISTINCT domain_id, entity_id, property_id FROM `reference_data` AS subdata WHERE subdata.value IS NOT NULL';
ELSEIF o = "(" or o = "!(" THEN
--
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