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feat(frontend): support background ddl for materialized views (#12355)
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,73 @@ | ||
statement ok | ||
SET BACKGROUND_DDL=true; | ||
|
||
statement ok | ||
ALTER SYSTEM SET max_concurrent_creating_streaming_jobs TO 4; | ||
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statement ok | ||
CREATE TABLE t (v1 int); | ||
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statement ok | ||
INSERT INTO t select * from generate_series(1, 500000); | ||
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statement ok | ||
FLUSH; | ||
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statement ok | ||
CREATE MATERIALIZED VIEW m1 as SELECT * FROM t; | ||
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statement ok | ||
CREATE MATERIALIZED VIEW m2 as SELECT * FROM t; | ||
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statement ok | ||
CREATE MATERIALIZED VIEW m3 as SELECT * FROM t; | ||
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sleep 3s | ||
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query I | ||
select count(*) from rw_catalog.rw_ddl_progress; | ||
---- | ||
3 | ||
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statement error | ||
SELECT * FROM m1; | ||
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# Meta should always reject duplicate mview. | ||
statement error | ||
CREATE MATERIALIZED VIEW m3 as SELECT * FROM t; | ||
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# Wait for background ddl to finish | ||
sleep 30s | ||
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query I | ||
select count(*) from m1; | ||
---- | ||
500000 | ||
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query I | ||
select count(*) from m2; | ||
---- | ||
500000 | ||
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query I | ||
select count(*) from m3; | ||
---- | ||
500000 | ||
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statement ok | ||
DROP MATERIALIZED VIEW m1; | ||
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statement ok | ||
DROP MATERIALIZED VIEW m2; | ||
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statement ok | ||
DROP MATERIALIZED VIEW m3; | ||
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statement ok | ||
DROP TABLE t; | ||
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statement ok | ||
SET BACKGROUND_DDL=false; | ||
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statement ok | ||
ALTER SYSTEM SET max_concurrent_creating_streaming_jobs TO 1; |
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