pg_ivm/pg_ivm--1.11.sql
2025-05-21 00:10:15 +00:00

78 lines
1.8 KiB
SQL

CREATE SCHEMA pgivm;
-- catalog
CREATE TABLE pgivm.pg_ivm_immv(
immvrelid regclass NOT NULL,
immvuuid uuid NOT NULL,
querystring text NOT NULL,
ispopulated bool NOT NULL,
lastivmupdate xid8,
CONSTRAINT pg_ivm_immv_pkey PRIMARY KEY (immvrelid),
CONSTRAINT pg_ivm_immv_uuid UNIQUE (immvuuid)
);
SELECT pg_catalog.pg_extension_config_dump('pgivm.pg_ivm_immv', '');
-- functions
CREATE FUNCTION pgivm.create_immv(text, text)
RETURNS bigint
STRICT
AS 'MODULE_PATHNAME', 'create_immv'
LANGUAGE C;
CREATE FUNCTION pgivm.refresh_immv(text, bool)
RETURNS bigint
STRICT
AS 'MODULE_PATHNAME', 'refresh_immv'
LANGUAGE C;
CREATE FUNCTION pgivm.get_immv_def(IN immvrelid regclass)
RETURNS text
STRICT
AS 'MODULE_PATHNAME', 'get_immv_def'
LANGUAGE C;
CREATE FUNCTION pgivm.ivm_visible_in_prestate(oid, tid, oid)
RETURNS bool
STABLE
AS 'MODULE_PATHNAME', 'ivm_visible_in_prestate'
LANGUAGE C;
-- trigger functions
CREATE FUNCTION pgivm."IVM_immediate_before"()
RETURNS trigger
AS 'MODULE_PATHNAME', 'IVM_immediate_before'
LANGUAGE C;
CREATE FUNCTION pgivm."IVM_immediate_maintenance"()
RETURNS trigger
AS 'MODULE_PATHNAME', 'IVM_immediate_maintenance'
LANGUAGE C;
CREATE FUNCTION pgivm."IVM_prevent_immv_change"()
RETURNS trigger
AS 'MODULE_PATHNAME', 'IVM_prevent_immv_change'
LANGUAGE C;
GRANT SELECT ON TABLE pgivm.pg_ivm_immv TO PUBLIC;
GRANT USAGE ON SCHEMA pgivm TO PUBLIC;
-- event triggers
CREATE FUNCTION pgivm.save_query_strings() RETURNS event_trigger
AS 'MODULE_PATHNAME', 'save_query_strings' LANGUAGE C;
CREATE FUNCTION pgivm.restore_query_strings() RETURNS event_trigger
AS 'MODULE_PATHNAME', 'restore_query_strings' LANGUAGE C;
CREATE EVENT TRIGGER save_query_strings
ON ddl_command_start
EXECUTE FUNCTION pgivm.save_query_strings();
CREATE EVENT TRIGGER restore_query_strings
ON ddl_command_end
EXECUTE FUNCTION pgivm.restore_query_strings();