Materialize/test/pg-cdc-old-syntax/types-bytea.td

# Copyright Materialize, Inc. and contributors. All rights reserved.
#
# Use of this software is governed by the Business Source License
# included in the LICENSE file at the root of this repository.
#
# As of the Change Date specified in that file, in accordance with
# the Business Source License, use of this software will be governed
# by the Apache License, Version 2.0.

#
# Test the BYTEA data type
#

> CREATE SECRET pgpass AS 'postgres'
> CREATE CONNECTION pg TO POSTGRES (
    HOST postgres,
    DATABASE postgres,
    USER postgres,
    PASSWORD SECRET pgpass
  )


# Insert data pre-snapshot
$ postgres-execute connection=postgres://postgres:postgres@postgres
ALTER USER postgres WITH replication;
DROP SCHEMA IF EXISTS public CASCADE;
DROP PUBLICATION IF EXISTS mz_source;

CREATE SCHEMA public;

CREATE TABLE t1 (f1 BYTEA);
ALTER TABLE t1 REPLICA IDENTITY FULL;

INSERT INTO t1 VALUES (NULL), (''), (E'\\x00'), (E'\\xABCDEF1234');


CREATE PUBLICATION mz_source FOR ALL TABLES;

> CREATE SOURCE mz_source
  FROM POSTGRES CONNECTION pg (PUBLICATION 'mz_source')
  FOR ALL TABLES;

> SELECT COUNT(*) > 0 FROM t1;
true

# Insert the same data post-snapshot
$ postgres-execute connection=postgres://postgres:postgres@postgres
INSERT INTO t1 SELECT * FROM t1;

> SELECT pg_typeof(f1) FROM t1 LIMIT 1;
bytea

# Note that there is some expected loss of precision on the very large numbers

> SELECT * FROM t1;
""
""
<null>
<null>
"\\x00"
"\\x00"
"\\xab\\xcd\\xef\\x124"
"\\xab\\xcd\\xef\\x124"