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0f1983ef78
Currently we finish the execution of some process utility statements and don't execute other hooks in the chain. Because that reason neither `ts_stat_statements` and `pg_stat_statements` are able to track some utility statements, for example COPY ... FROM. To be able to track it on `ts_stat_statements` we're introducing some callbacks in order to hook `pgss_store` from TimescaleDB and store information about the execution of those statements. In this PR we're also adding a new GUC `enable_tss_callbacks=true` to enable or disable the ability to hook `ts_stat_statements` from TimescaleDB.
47 lines
1.3 KiB
SQL
47 lines
1.3 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 test.setup_tss_hook_v0() RETURNS VOID
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AS :MODULE_PATHNAME, 'ts_setup_tss_hook_v0' LANGUAGE C VOLATILE;
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CREATE OR REPLACE FUNCTION test.setup_tss_hook_v1() RETURNS VOID
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AS :MODULE_PATHNAME, 'ts_setup_tss_hook_v1' LANGUAGE C VOLATILE;
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CREATE OR REPLACE FUNCTION test.teardown_tss_hook_v1() RETURNS VOID
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AS :MODULE_PATHNAME, 'ts_teardown_tss_hook_v1' LANGUAGE C VOLATILE;
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SELECT test.setup_tss_hook_v1();
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CREATE TABLE copy_test (
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"time" timestamptz NOT NULL,
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"value" double precision NOT NULL
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);
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SELECT create_hypertable('copy_test', 'time');
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-- We should se a mock message
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COPY copy_test FROM STDIN DELIMITER ',';
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2020-01-01 01:10:00+01,1
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2021-01-01 01:10:00+01,1
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\.
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SELECT test.teardown_tss_hook_v1();
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-- Without the hook registered we cannot see the mock message
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COPY copy_test FROM STDIN DELIMITER ',';
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2020-01-01 01:10:00+01,1
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2021-01-01 01:10:00+01,1
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\.
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-- Test for mismatch version
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SELECT test.setup_tss_hook_v0();
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-- Warning because the mismatch versions
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COPY copy_test FROM STDIN DELIMITER ',';
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2020-01-01 01:10:00+01,1
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2021-01-01 01:10:00+01,1
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\.
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