43 lines
1.5 KiB
PL/PgSQL
43 lines
1.5 KiB
PL/PgSQL
ALTER TABLE pgivm.pg_ivm_immv ADD COLUMN querystring text;
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ALTER TABLE pgivm.pg_ivm_immv ADD COLUMN immvuuid uuid;
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UPDATE pgivm.pg_ivm_immv SET querystring = pgivm.get_immv_def(immvrelid);
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UPDATE pgivm.pg_ivm_immv SET immvuuid = gen_random_uuid();
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ALTER TABLE pgivm.pg_ivm_immv ADD CONSTRAINT pg_ivm_immv_uuid UNIQUE (immvuuid);
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ALTER TABLE pgivm.pg_ivm_immv ALTER COLUMN querystring SET NOT NULL;
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ALTER TABLE pgivm.pg_ivm_immv ALTER COLUMN immvuuid SET NOT NULL;
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ALTER TABLE pgivm.pg_ivm_immv DROP COLUMN viewdef;
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CREATE FUNCTION pgivm.recreate_all_immvs() RETURNS VOID LANGUAGE PLPGSQL AS
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$$
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BEGIN
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PERFORM pgivm.refresh_immv(n.nspname || '.' || c.relname, false)
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FROM pgivm.pg_ivm_immv as ivm
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JOIN pg_catalog.pg_class as c
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ON c.oid = ivm.immvrelid
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JOIN pg_catalog.pg_namespace as n
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ON c.relnamespace = n.oid;
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PERFORM pgivm.refresh_immv(n.nspname || '.' || c.relname, true)
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FROM pgivm.pg_ivm_immv as ivm
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JOIN pg_catalog.pg_class as c
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ON c.oid = ivm.immvrelid
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JOIN pg_catalog.pg_namespace as n
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ON c.relnamespace = n.oid;
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END
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$$;
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CREATE FUNCTION pgivm.save_query_strings() RETURNS event_trigger
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AS 'MODULE_PATHNAME', 'save_query_strings' LANGUAGE C;
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CREATE FUNCTION pgivm.restore_query_strings() RETURNS event_trigger
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AS 'MODULE_PATHNAME', 'restore_query_strings' LANGUAGE C;
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CREATE EVENT TRIGGER save_query_strings
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ON ddl_command_start
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EXECUTE FUNCTION pgivm.save_query_strings();
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CREATE EVENT TRIGGER restore_query_strings
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ON ddl_command_end
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EXECUTE FUNCTION pgivm.restore_query_strings();
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