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31953f0dc6
This change will call a function on a remote database to validate its configuration before following through with an add_data_node call. Right now the check will ensure that the data is able to use prepared transactions, but further checks can be easily added in the future. Since this uses the timescaledb extension to validate the remote database, it runs at the end of bootstrapping. We may want to consider adding code to undo our bootstrapping changes if this check fails.
31 lines
1.3 KiB
SQL
31 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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CREATE OR REPLACE FUNCTION _timescaledb_internal.set_dist_id(dist_id UUID) RETURNS BOOL
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AS '@MODULE_PATHNAME@', 'ts_dist_set_id' LANGUAGE C VOLATILE STRICT;
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CREATE OR REPLACE FUNCTION _timescaledb_internal.remove_from_dist_db() RETURNS BOOL
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AS '@MODULE_PATHNAME@', 'ts_dist_remove_id' LANGUAGE C VOLATILE STRICT;
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CREATE OR REPLACE FUNCTION _timescaledb_internal.set_peer_dist_id(dist_id UUID) RETURNS BOOL
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AS '@MODULE_PATHNAME@', 'ts_dist_set_peer_id' LANGUAGE C VOLATILE STRICT;
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CREATE OR REPLACE FUNCTION data_node_hypertable_info(
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node_name NAME
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)
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RETURNS TABLE (id int,
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table_schema name,
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table_name name,
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table_owner name,
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num_dimensions smallint,
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num_chunks bigint,
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distributed bool,
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table_bytes bigint,
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index_bytes bigint,
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toast_bytes bigint,
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total_bytes bigint)
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AS '@MODULE_PATHNAME@', 'ts_dist_remote_hypertable_info' LANGUAGE C VOLATILE STRICT;
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CREATE OR REPLACE FUNCTION _timescaledb_internal.validate_as_data_node() RETURNS BOOL
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AS '@MODULE_PATHNAME@', 'ts_dist_validate_as_data_node' LANGUAGE C VOLATILE STRICT;
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