END;
$$ LANGUAGE PLPGSQL STRICT VOLATILE;
+-- convenience functions for handling circmod maps
+
+CREATE OR REPLACE FUNCTION migration_tools.handle_circmod (TEXT,TEXT) RETURNS VOID AS $$
+ DECLARE
+ table_schema ALIAS FOR $1;
+ table_name ALIAS FOR $2;
+ proceed BOOLEAN;
+ BEGIN
+ EXECUTE 'SELECT EXISTS (
+ SELECT 1
+ FROM information_schema.columns
+ WHERE table_schema = $1
+ AND table_name = $2
+ and column_name = ''desired_circmod''
+ )' INTO proceed USING table_schema, table_name;
+ IF NOT proceed THEN
+ RAISE EXCEPTION 'Missing column desired_circmod';
+ END IF;
+
+ EXECUTE 'ALTER TABLE '
+ || quote_ident(table_name)
+ || ' DROP COLUMN IF EXISTS x_circmod';
+ EXECUTE 'ALTER TABLE '
+ || quote_ident(table_name)
+ || ' ADD COLUMN x_circmod TEXT';
+
+ EXECUTE 'UPDATE ' || quote_ident(table_name) || ' a'
+ || ' SET x_circmod = code FROM config.circ_modifier b'
+ || ' WHERE BTRIM(UPPER(a.desired_circmod)) = BTRIM(UPPER(b.code))';
+
+ EXECUTE 'UPDATE ' || quote_ident(table_name) || ' a'
+ || ' SET x_circmod = code FROM config.circ_modifier b'
+ || ' WHERE BTRIM(UPPER(a.desired_circmod)) = BTRIM(UPPER(b.name))'
+ || ' AND x_circmod IS NULL';
+
+ EXECUTE 'UPDATE ' || quote_ident(table_name) || ' a'
+ || ' SET x_circmod = code FROM config.circ_modifier b'
+ || ' WHERE BTRIM(UPPER(a.desired_circmod)) = BTRIM(UPPER(b.description))'
+ || ' AND x_circmod IS NULL';
+
+ EXECUTE 'SELECT migration_tools.assert(
+ NOT EXISTS (SELECT 1 FROM ' || quote_ident(table_name) || ' WHERE desired_circmod <> '''' AND x_circmod IS NULL),
+ ''Cannot find a desired circulation modifier'',
+ ''Found all desired circulation modifiers''
+ );';
+
+ END;
+$$ LANGUAGE PLPGSQL STRICT VOLATILE;
+
+-- convenience function for handling desired_not_migrate
+
+CREATE OR REPLACE FUNCTION migration_tools.handle_not_migrate (TEXT,TEXT) RETURNS VOID AS $$
+ DECLARE
+ table_schema ALIAS FOR $1;
+ table_name ALIAS FOR $2;
+ proceed BOOLEAN;
+ BEGIN
+ EXECUTE 'SELECT EXISTS (
+ SELECT 1
+ FROM information_schema.columns
+ WHERE table_schema = $1
+ AND table_name = $2
+ and column_name = ''desired_not_migrate''
+ )' INTO proceed USING table_schema, table_name;
+ IF NOT proceed THEN
+ RAISE EXCEPTION 'Missing column desired_not_migrate';
+ END IF;
+
+ EXECUTE 'ALTER TABLE '
+ || quote_ident(table_name)
+ || ' DROP COLUMN IF EXISTS x_migrate';
+ EXECUTE 'ALTER TABLE '
+ || quote_ident(table_name)
+ || ' ADD COLUMN x_migrate BOOLEAN';
+
+ EXECUTE 'UPDATE ' || quote_ident(table_name) || ' a'
+ || ' SET x_migrate = CASE'
+ || ' WHEN BTRIM(desired_not_migrate) = ''TRUE'' THEN FALSE'
+ || ' WHEN BTRIM(desired_not_migrate) = ''FALSE'' THEN TRUE'
+ || ' WHEN BTRIM(desired_not_migrate) = '''' THEN TRUE'
+ || ' END';
+
+ EXECUTE 'SELECT migration_tools.assert(
+ NOT EXISTS (SELECT 1 FROM ' || quote_ident(table_name) || ' WHERE x_migrate IS NULL),
+ ''Not all desired_not_migrate values understood'',
+ ''All desired_not_migrate values understood''
+ );';
+
+ END;
+$$ LANGUAGE PLPGSQL STRICT VOLATILE;