Is it a bug or by design? I could not find what behaviour is correct for
these statements in PL/pgSQL:
This function just executes a string.
CREATE OR REPLACE FUNCTION _EXEC(query VARCHAR)
RETURNS VOID AS $$
BEGIN
EXECUTE query;
END;
$$ LANGUAGE 'plpgsql';
1. Works ok.
BEGIN WORK;
SELECT _EXEC('CREATE TABLE T(ID INTEGER); CREATE INDEX T_IDX ON T(ID)');
ROLLBACK;
2. Works ok.
BEGIN WORK;
SELECT _EXEC('CREATE TABLE T(ID INTEGER); ALTER TABLE T ADD COLUMN ID2
INTEGER; CREATE INDEX T_IDX2 ON T(ID2)');
ROLLBACK;
3. ERROR: relation "t" does not exist
SELECT _EXEC('CREATE TABLE T(ID INTEGER); INSERT INTO T(ID) VALUES (1)');
4. Inserts NULL value into ID column instead of default 10.
BEGIN WORK;
CREATE TABLE T(ID INTEGER);
SELECT _EXEC('ALTER TABLE T ALTER COLUMN ID SET DEFAULT(10); INSERT INTO
T DEFAULT VALUES');
SELECT * FROM T;
-
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