81 lines
2 KiB
SQL
81 lines
2 KiB
SQL
DO $$
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DECLARE
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shared_pl text;
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session_pl text;
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BEGIN
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SELECT setting INTO shared_pl FROM pg_catalog.pg_settings
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WHERE name = 'shared_preload_libraries';
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SELECT setting INTO session_pl FROM pg_catalog.pg_settings
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WHERE name = 'session_preload_libraries';
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IF shared_pl !~ '\mpg_ivm\M' AND session_pl !~ '\mpg_ivm\M' THEN
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RAISE EXCEPTION 'pg_ivm is not loaded in shared_preload_libraries '
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'or session_preload_libraries'
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USING HINT = 'Add pg_ivm to session_preload_libraries and '
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'restart the session. Or, add pg_ivm to '
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'shared_preload_libraries and restart Postgres.';
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END IF;
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END
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$$;
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CREATE SCHEMA pgivm;
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-- catalog
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CREATE TABLE pgivm.pg_ivm_immv(
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immvrelid regclass NOT NULL,
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viewdef text NOT NULL,
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ispopulated bool NOT NULL,
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lastivmupdate xid8,
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CONSTRAINT pg_ivm_immv_pkey PRIMARY KEY (immvrelid)
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);
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SELECT pg_catalog.pg_extension_config_dump('pgivm.pg_ivm_immv', '');
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-- functions
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CREATE FUNCTION pgivm.create_immv(text, text)
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RETURNS bigint
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STRICT
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AS 'MODULE_PATHNAME', 'create_immv'
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LANGUAGE C;
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CREATE FUNCTION pgivm.refresh_immv(text, bool)
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RETURNS bigint
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STRICT
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AS 'MODULE_PATHNAME', 'refresh_immv'
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LANGUAGE C;
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CREATE FUNCTION pgivm.get_immv_def(IN immvrelid regclass)
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RETURNS text
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STRICT
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AS 'MODULE_PATHNAME', 'get_immv_def'
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LANGUAGE C;
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CREATE FUNCTION pgivm.ivm_visible_in_prestate(oid, tid, oid)
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RETURNS bool
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STABLE
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AS 'MODULE_PATHNAME', 'ivm_visible_in_prestate'
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LANGUAGE C;
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-- trigger functions
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CREATE FUNCTION pgivm."IVM_immediate_before"()
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RETURNS trigger
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AS 'MODULE_PATHNAME', 'IVM_immediate_before'
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LANGUAGE C;
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CREATE FUNCTION pgivm."IVM_immediate_maintenance"()
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RETURNS trigger
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AS 'MODULE_PATHNAME', 'IVM_immediate_maintenance'
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LANGUAGE C;
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CREATE FUNCTION pgivm."IVM_prevent_immv_change"()
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RETURNS trigger
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AS 'MODULE_PATHNAME', 'IVM_prevent_immv_change'
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LANGUAGE C;
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GRANT SELECT ON TABLE pgivm.pg_ivm_immv TO PUBLIC;
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GRANT USAGE ON SCHEMA pgivm TO PUBLIC;
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