types-numeric-arbitrary-precision.td 1.6 KB

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  1. # Copyright Materialize, Inc. and contributors. All rights reserved.
  2. #
  3. # Use of this software is governed by the Business Source License
  4. # included in the LICENSE file at the root of this repository.
  5. #
  6. # As of the Change Date specified in that file, in accordance with
  7. # the Business Source License, use of this software will be governed
  8. # by the Apache License, Version 2.0.
  9. #
  10. # Arbitrary-precision NUMERIC supported only as TEXT
  11. #
  12. > CREATE SECRET pgpass AS 'postgres'
  13. > CREATE CONNECTION pg TO POSTGRES (
  14. HOST postgres,
  15. DATABASE postgres,
  16. USER postgres,
  17. PASSWORD SECRET pgpass
  18. )
  19. # Insert data pre-snapshot
  20. $ postgres-execute connection=postgres://postgres:postgres@postgres
  21. ALTER USER postgres WITH replication;
  22. DROP SCHEMA IF EXISTS public CASCADE;
  23. DROP PUBLICATION IF EXISTS mz_source;
  24. CREATE SCHEMA public;
  25. CREATE TABLE t1 (f1 NUMERIC);
  26. ALTER TABLE t1 REPLICA IDENTITY FULL;
  27. INSERT INTO t1 VALUES (NULL), ('0.000000000000000000000000000001'), ('-1111111111111111111111111111111');
  28. CREATE PUBLICATION mz_source FOR ALL TABLES;
  29. > CREATE SOURCE mz_source FROM POSTGRES CONNECTION pg (PUBLICATION 'mz_source');
  30. > CREATE TABLE t1 FROM SOURCE mz_source (REFERENCE t1) WITH (TEXT COLUMNS (f1));
  31. > SELECT COUNT(*) > 0 FROM t1;
  32. true
  33. # Insert the same data post-snapshot
  34. $ postgres-execute connection=postgres://postgres:postgres@postgres
  35. INSERT INTO t1 SELECT * FROM t1;
  36. > SELECT pg_typeof(f1) FROM t1 LIMIT 1;
  37. "text"
  38. > SELECT * FROM t1;
  39. <null>
  40. <null>
  41. -1111111111111111111111111111111
  42. -1111111111111111111111111111111
  43. 0.000000000000000000000000000001
  44. 0.000000000000000000000000000001