ClickHouse/dbms/tests/queries/0_stateless/00584_view_union_all.sql

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DROP TABLE IF EXISTS Test;
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CREATE TABLE Test (
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createdDate Date,
str String,
key Enum8('A' = 0, 'B' = 1, 'ALL' = 2),
a Int64
)
ENGINE = MergeTree(createdDate, str, 8192);
INSERT INTO Test VALUES ('2000-01-01', 'hello', 'A', 123);
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SET max_threads = 1;
CREATE VIEW TestView AS
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SELECT str, key, sumIf(a, 0) AS sum
FROM Test
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GROUP BY str, key
UNION ALL
SELECT str AS str, CAST('ALL' AS Enum8('A' = 0, 'B' = 1, 'ALL' = 2)) AS key, sumIf(a, 0) AS sum
FROM Test
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GROUP BY str;
SELECT * FROM TestView;
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DROP TABLE TestView;
DROP TABLE Test;