Update Serial to Identity function
Return status as varchar from change. clean up edit table SQL files with too many empty lines
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@@ -6,7 +6,8 @@
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-- @param name col The column to be changed
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-- @param varchar identity_type [default=a] Allowed a, d, assigned, default
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-- @param varchar col_type [default=''] Allowed smallint, int, bigint, int2, int4, int8
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-- @raises EXCEPTON on column not found, no linked sequence, more than one linked sequence found
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-- @returns varchar status tring
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-- @raises EXCEPTON on column not found, no linked sequence, more than one linked sequence found, invalid col type
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--
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CREATE OR REPLACE FUNCTION upgrade_serial_to_identity(
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tbl regclass,
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@@ -14,17 +15,18 @@ CREATE OR REPLACE FUNCTION upgrade_serial_to_identity(
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identity_type varchar = 'a',
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col_type varchar = ''
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)
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RETURNS void
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RETURNS varchar
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LANGUAGE plpgsql
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AS $$
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DECLARE
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colnum smallint;
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seqid oid;
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count int;
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col_type_oid int;
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col_type_len int;
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current_col_atttypid oid;
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current_col_attlen int;
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colnum SMALLINT;
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seqid OID;
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count INT;
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col_type_oid INT;
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col_type_len INT;
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current_col_atttypid OID;
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current_col_attlen INT;
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status_string VARCHAR;
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BEGIN
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-- switch between always (default) or default identiy type
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IF identity_type NOT IN ('a', 'd', 'assigned', 'default') THEN
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@@ -59,6 +61,10 @@ BEGIN
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RAISE EXCEPTION 'more than one linked sequence found';
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END IF;
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IF col_type <> '' AND col_type NOT IN ('smallint', 'int', 'bigint', 'int2', 'int4', 'int8') THEN
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RAISE EXCEPTION 'Invalid col type: %', col_type;
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END IF;
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-- drop the default
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EXECUTE 'ALTER TABLE ' || tbl || ' ALTER COLUMN ' || quote_ident(col) || ' DROP DEFAULT';
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@@ -74,34 +80,31 @@ BEGIN
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SET attidentity = identity_type
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WHERE attrelid = tbl
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AND attname = col;
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RAISE NOTICE 'Update to identity for table "%" and columen "%" with type "%"', tbl, col, identity_type;
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status_string := 'Updated to identity for table "' || tbl || '" and columen "' || col || '" with type "' || identity_type || '"';
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-- set type if requested and not empty
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IF col_type <> '' THEN
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IF col_type IN ('smallint', 'int', 'bigint', 'int2', 'int4', 'int8') THEN
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-- rewrite smallint, int, bigint
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IF col_type = 'smallint' THEN
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col_type := 'int2';
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ELSIF col_type = 'int' THEN
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col_type := 'int4';
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ELSIF col_type = 'bigint' THEN
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col_type := 'int8';
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END IF;
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-- get the length and oid for selected
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SELECT oid, typlen INTO col_type_oid, col_type_len FROM pg_type WHERE typname = col_type;
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-- set only if diff or hight
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IF current_col_atttypid <> col_type_oid AND col_type_len > current_col_attlen THEN
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RAISE NOTICE 'Change col type: %', col_type;
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-- update type
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UPDATE pg_attribute
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SET
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atttypid = col_type_oid, attlen = col_type_len
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WHERE attrelid = tbl
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AND attname = col;
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END IF;
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ELSE
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RAISE NOTICE 'Invalid col type: %', col_type;
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-- rewrite smallint, int, bigint
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IF col_type = 'smallint' THEN
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col_type := 'int2';
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ELSIF col_type = 'int' THEN
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col_type := 'int4';
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ELSIF col_type = 'bigint' THEN
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col_type := 'int8';
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END IF;
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-- get the length and oid for selected
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SELECT oid, typlen INTO col_type_oid, col_type_len FROM pg_type WHERE typname = col_type;
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-- set only if diff or hight
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IF current_col_atttypid <> col_type_oid AND col_type_len > current_col_attlen THEN
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status_string := status_string || '. Change col type: ' || col_type;
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-- update type
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UPDATE pg_attribute
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SET
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atttypid = col_type_oid, attlen = col_type_len
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WHERE attrelid = tbl
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AND attname = col;
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END IF;
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END IF;
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RETURN status_string;
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END;
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$$;
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@@ -12,5 +12,3 @@ CREATE TABLE edit_menu_group (
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flag VARCHAR,
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order_number INT NOT NULL
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) INHERITS (edit_generic) WITHOUT OIDS;
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@@ -16,5 +16,3 @@ CREATE TABLE edit_page_access (
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FOREIGN KEY (edit_access_right_id) REFERENCES edit_access_right (edit_access_right_id) MATCH FULL ON DELETE CASCADE ON UPDATE CASCADE,
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enabled SMALLINT NOT NULL DEFAULT 0
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) INHERITS (edit_generic) WITHOUT OIDS;
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