c7b25efcff
1. alter large sequence
2. subpartition
2.1 split subpartition
2.2 truncate subpartition
3. 支持load
4. 支持start-with/connect-by
5. ...
124 lines
6.6 KiB
PL/PgSQL
124 lines
6.6 KiB
PL/PgSQL
\c upsert
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SET CURRENT_SCHEMA TO upsert_test;
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CREATE FUNCTION upsert_before_func()
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RETURNS TRIGGER language plpgsql AS
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$$
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BEGIN
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IF (TG_OP = 'UPDATE') THEN
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RAISE warning 'before update (old): %', old.*::TEXT;
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RAISE warning 'before update (new): %', new.*::TEXT;
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elsIF (TG_OP = 'INSERT') THEN
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RAISE warning 'before insert (new): %', new.*::TEXT;
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IF NEW.key % 2 = 0 THEN
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NEW.color := NEW.color || ' trig modified';
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RAISE warning 'before insert (new, modified): %', new.*::TEXT;
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END IF;
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END IF;
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RETURN new;
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END;
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$$;
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CREATE TRIGGER upsert_before_trig BEFORE INSERT OR UPDATE ON t_trigger
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FOR EACH ROW EXECUTE procedure upsert_before_func();
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CREATE FUNCTION upsert_after_func()
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RETURNS TRIGGER language plpgsql AS
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$$
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BEGIN
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IF (TG_OP = 'UPDATE') THEN
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RAISE warning 'after update (old): %', old.*::TEXT;
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RAISE warning 'after update (new): %', new.*::TEXT;
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elsIF (TG_OP = 'INSERT') THEN
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RAISE warning 'after insert (new): %', new.*::TEXT;
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END IF;
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RETURN null;
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END;
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$$;
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CREATE TRIGGER upsert_after_trig AFTER INSERT OR UPDATE ON t_trigger
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FOR EACH ROW EXECUTE procedure upsert_after_func();
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INSERT INTO t_trigger values(1, 'black') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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INSERT INTO t_trigger values(2, 'red') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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INSERT INTO t_trigger values(3, 'orange') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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INSERT INTO t_trigger values(4, 'green') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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INSERT INTO t_trigger values(5, 'purple') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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INSERT INTO t_trigger values(6, 'white') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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INSERT INTO t_trigger values(7, 'pink') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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INSERT INTO t_trigger values(8, 'yellow') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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SELECT * FROM t_trigger ORDER BY key;
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INSERT INTO t_trigger values(2, 'black') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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INSERT INTO t_trigger values(3, 'red') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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INSERT INTO t_trigger values(4, 'orange') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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INSERT INTO t_trigger values(5, 'green') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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INSERT INTO t_trigger values(6, 'purple') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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INSERT INTO t_trigger values(7, 'white') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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INSERT INTO t_trigger values(8, 'pink') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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INSERT INTO t_trigger values(9, 'yellow') ON DUPLICATE KEY UPDATE color = 'updated ' || t_trigger.color;
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SELECT * FROM t_trigger ORDER BY key;
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create table test_range_pt (key int primary key, color text)
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partition by range(key)
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(
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partition p1 values less than (2000),
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partition p2 values less than (3000),
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partition p3 values less than (4000),
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partition p4 values less than (5000),
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partition p5 values less than (6000)
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)ENABLE ROW MOVEMENT;
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CREATE TRIGGER upsert_before_trig_for_pt BEFORE INSERT OR UPDATE ON test_range_pt
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FOR EACH ROW EXECUTE procedure upsert_before_func();
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CREATE TRIGGER upsert_after_trig_for_pt AFTER INSERT OR UPDATE ON test_range_pt
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FOR EACH ROW EXECUTE procedure upsert_after_func();
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INSERT INTO test_range_pt values(1, 'black') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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INSERT INTO test_range_pt values(2, 'red') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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INSERT INTO test_range_pt values(3, 'orange') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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INSERT INTO test_range_pt values(4, 'green') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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INSERT INTO test_range_pt values(5, 'purple') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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INSERT INTO test_range_pt values(6, 'white') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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INSERT INTO test_range_pt values(7, 'pink') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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INSERT INTO test_range_pt values(8, 'yellow') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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SELECT * FROM test_range_pt ORDER BY key;
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INSERT INTO test_range_pt values(2, 'black') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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INSERT INTO test_range_pt values(3, 'red') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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INSERT INTO test_range_pt values(4, 'orange') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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INSERT INTO test_range_pt values(5, 'green') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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INSERT INTO test_range_pt values(6, 'purple') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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INSERT INTO test_range_pt values(7, 'white') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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INSERT INTO test_range_pt values(8, 'pink') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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INSERT INTO test_range_pt values(9, 'yellow') ON DUPLICATE KEY UPDATE color = 'updated ' || test_range_pt.color;
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DELETE FROM test_range_pt;
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SELECT * FROM test_range_pt ORDER BY key;
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INSERT INTO test_range_pt values(2, 'black') ON DUPLICATE KEY UPDATE nothing;
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INSERT INTO test_range_pt values(3, 'red') ON DUPLICATE KEY UPDATE nothing;
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INSERT INTO test_range_pt values(4, 'orange') ON DUPLICATE KEY UPDATE nothing;
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INSERT INTO test_range_pt values(5, 'green') ON DUPLICATE KEY UPDATE nothing;
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INSERT INTO test_range_pt values(6, 'purple') ON DUPLICATE KEY UPDATE nothing;
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INSERT INTO test_range_pt values(7, 'white') ON DUPLICATE KEY UPDATE nothing;
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INSERT INTO test_range_pt values(8, 'pink') ON DUPLICATE KEY UPDATE nothing;
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INSERT INTO test_range_pt values(9, 'yellow') ON DUPLICATE KEY UPDATE nothing;
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SELECT * FROM test_range_pt ORDER BY key;
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INSERT INTO test_range_pt values(2, 'black') ON DUPLICATE KEY UPDATE nothing;
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INSERT INTO test_range_pt values(3, 'red') ON DUPLICATE KEY UPDATE nothing;
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INSERT INTO test_range_pt values(4, 'orange') ON DUPLICATE KEY UPDATE nothing;
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INSERT INTO test_range_pt values(5, 'green') ON DUPLICATE KEY UPDATE nothing;
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INSERT INTO test_range_pt values(6, 'purple') ON DUPLICATE KEY UPDATE nothing;
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INSERT INTO test_range_pt values(7, 'white') ON DUPLICATE KEY UPDATE nothing;
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INSERT INTO test_range_pt values(8, 'pink') ON DUPLICATE KEY UPDATE nothing;
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INSERT INTO test_range_pt values(9, 'yellow') ON DUPLICATE KEY UPDATE nothing;
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SELECT * FROM test_range_pt ORDER BY key;
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drop table test_range_pt;
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