From: Rogan Hamby <rhamby@esilibrary.com>
Date: Mon, 13 Aug 2018 19:27:54 +0000 (-0400)
Subject:  added function to trim and null out all columns, useful when importing from reports
X-Git-Url: http://git.equinoxoli.org/?p=migration-tools.git;a=commitdiff_plain;h=d25847fe178bf9fabbd1846cafb6d90abe63f971

 added function to trim and null out all columns, useful when importing from reports
---

diff --git a/sql/base/base.sql b/sql/base/base.sql
index a333a1b..8683362 100644
--- a/sql/base/base.sql
+++ b/sql/base/base.sql
@@ -4075,6 +4075,26 @@ BEGIN
 END
 $function$;
 
+DROP FUNCTION IF EXISTS migration_tools.btrim_columns(TEXT,TEXT);
+CREATE OR REPLACE FUNCTION migration_tools.btrim_columns(s_name TEXT, t_name TEXT) RETURNS BOOLEAN
+ LANGUAGE plpgsql
+AS $function$
+DECLARE
+    c_name     TEXT;
+BEGIN
+
+    FOR c_name IN SELECT column_name FROM information_schema.columns WHERE 
+            table_name = t_name
+            AND table_schema = s_name
+            AND (data_type='text' OR data_type='character varying')
+    LOOP
+       EXECUTE FORMAT('UPDATE ' || s_name || '.' || t_name || ' SET ' || c_name || ' = BTRIM(' || c_name || ')'); 
+    END LOOP;  
+
+    RETURN TRUE;
+END
+$function$;
+
 DROP FUNCTION IF EXISTS migration_tools.null_empty_lcolumns(TEXT,TEXT);
 CREATE OR REPLACE FUNCTION migration_tools.null_empty_lcolumns(s_name TEXT, t_name TEXT) RETURNS BOOLEAN
  LANGUAGE plpgsql
@@ -4096,3 +4116,22 @@ BEGIN
 END
 $function$;
 
+DROP FUNCTION IF EXISTS migration_tools.null_empty_columns(TEXT,TEXT);
+CREATE OR REPLACE FUNCTION migration_tools.null_empty_columns(s_name TEXT, t_name TEXT) RETURNS BOOLEAN
+ LANGUAGE plpgsql
+AS $function$
+DECLARE
+    c_name     TEXT;
+BEGIN
+
+    FOR c_name IN SELECT column_name FROM information_schema.columns WHERE
+            table_name = t_name
+            AND table_schema = s_name
+            AND (data_type='text' OR data_type='character varying')
+    LOOP
+       EXECUTE FORMAT('UPDATE ' || s_name || '.' || t_name || ' SET ' || c_name || ' = NULL WHERE ' || c_name || ' = '''' ');
+    END LOOP;
+
+    RETURN TRUE;
+END
+$function$;