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https://github.com/timescale/timescaledb.git
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0b23bab466
This patch changes the dump configuration for _timescaledb_catalog.metadata to include all entries. To allow loading logical dumps with this configuration an insert trigger is added that turns uniqueness conflicts into updates to not block the restore.
79 lines
3.9 KiB
SQL
79 lines
3.9 KiB
SQL
-- This file and its contents are licensed under the Apache License 2.0.
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-- Please see the included NOTICE for copyright information and
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-- LICENSE-APACHE for a copy of the license.
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\c :TEST_DBNAME :ROLE_SUPERUSER
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CREATE OR REPLACE FUNCTION _timescaledb_internal.test_uuid() RETURNS UUID
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AS :MODULE_PATHNAME, 'ts_test_uuid' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE OR REPLACE FUNCTION _timescaledb_internal.test_exported_uuid() RETURNS UUID
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AS :MODULE_PATHNAME, 'ts_test_exported_uuid' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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CREATE OR REPLACE FUNCTION _timescaledb_internal.test_install_timestamp() RETURNS TIMESTAMPTZ
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AS :MODULE_PATHNAME, 'ts_test_install_timestamp' LANGUAGE C IMMUTABLE STRICT PARALLEL SAFE;
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INSERT INTO _timescaledb_catalog.metadata (key, value, include_in_telemetry) SELECT 'metadata_test', 'FOO', TRUE;
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER
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-- uuid and install_timestamp should already be in the table before we generate
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SELECT COUNT(*) from _timescaledb_catalog.metadata;
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SELECT _timescaledb_internal.test_uuid() as uuid_1 \gset
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SELECT _timescaledb_internal.test_exported_uuid() as uuid_ex_1 \gset
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SELECT _timescaledb_internal.test_install_timestamp() as timestamp_1 \gset
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-- Check that there is exactly 1 UUID row
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SELECT COUNT(*) from _timescaledb_catalog.metadata where key='uuid';
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-- Check that exported_uuid and timestamp are also generated
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SELECT COUNT(*) from _timescaledb_catalog.metadata where key='exported_uuid';
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SELECT COUNT(*) from _timescaledb_catalog.metadata where key='install_timestamp';
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-- Make sure that the UUID is idempotent
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SELECT _timescaledb_internal.test_uuid() = :'uuid_1' as uuids_equal;
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SELECT _timescaledb_internal.test_uuid() = :'uuid_1' as uuids_equal;
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-- Also make sure install_time and exported_uuid are idempotent
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SELECT _timescaledb_internal.test_exported_uuid() = :'uuid_ex_1' as exported_uuids_equal;
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SELECT _timescaledb_internal.test_exported_uuid() = :'uuid_ex_1' as exported_uuids_equal;
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SELECT _timescaledb_internal.test_install_timestamp() = :'timestamp_1' as timestamps_equal;
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SELECT _timescaledb_internal.test_install_timestamp() = :'timestamp_1' as timestamps_equal;
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-- Now make sure that only the exported_uuid is exported on pg_dump
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\c postgres :ROLE_SUPERUSER
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\setenv PGOPTIONS '--client-min-messages=warning'
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\! utils/pg_dump_aux_dump.sh dump/instmeta.sql
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ALTER DATABASE :TEST_DBNAME SET timescaledb.restoring='on';
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-- Redirect to /dev/null to suppress NOTICE
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\! utils/pg_dump_aux_restore.sh dump/instmeta.sql
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ALTER DATABASE :TEST_DBNAME SET timescaledb.restoring='off';
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\c :TEST_DBNAME :ROLE_DEFAULT_PERM_USER
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-- Should have all 3 row, because pg_dump includes the insertion of uuid and timestamp.
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SELECT COUNT(*) FROM _timescaledb_catalog.metadata;
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-- Verify that this is the old exported_uuid
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SELECT _timescaledb_internal.test_exported_uuid() = :'uuid_ex_1' as exported_uuids_equal;
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-- Verify that the uuid is new
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SELECT _timescaledb_internal.test_uuid() = :'uuid_1' as exported_uuids_diff;
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-- Verify that the install_timestamp got restored
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SELECT _timescaledb_internal.test_install_timestamp() = :'timestamp_1' as timestamps_equal;
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SELECT * FROM _timescaledb_catalog.metadata WHERE key = 'metadata_test';
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-- check metadata version matches expected value
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SELECT x.extversion = m.value AS "version match"
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FROM pg_extension x
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JOIN _timescaledb_catalog.metadata m ON m.key='timescaledb_version'
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WHERE x.extname='timescaledb';
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-- test version check in post_restore
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\c :TEST_DBNAME :ROLE_SUPERUSER
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UPDATE _timescaledb_catalog.metadata SET value = '1.2.3' WHERE key = 'timescaledb_version';
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\set ON_ERROR_STOP 0
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-- set verbosity to sqlstate to suppress version dependant error message
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\set VERBOSITY sqlstate
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SELECT timescaledb_post_restore();
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\set ON_ERROR_STOP 1
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UPDATE _timescaledb_catalog.metadata m SET value = x.extversion FROM pg_extension x WHERE m.key = 'timescaledb_version' AND x.extname='timescaledb';
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SELECT timescaledb_post_restore();
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