mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-22 07:31:57 +00:00
34 lines
1.3 KiB
SQL
34 lines
1.3 KiB
SQL
DROP TABLE IF EXISTS tableConversion;
|
|
DROP TABLE IF EXISTS tableClick;
|
|
DROP TABLE IF EXISTS leftjoin;
|
|
|
|
CREATE TABLE default.tableConversion (conversionId String, value Nullable(Double)) ENGINE = Log();
|
|
CREATE TABLE default.tableClick (clickId String, conversionId String, value Nullable(Double)) ENGINE = Log();
|
|
CREATE TABLE default.leftjoin (id String) ENGINE = Log();
|
|
|
|
INSERT INTO default.tableConversion(conversionId, value) VALUES ('Conversion 1', 1);
|
|
INSERT INTO default.tableClick(clickId, conversionId, value) VALUES ('Click 1', 'Conversion 1', 14);
|
|
INSERT INTO default.tableClick(clickId, conversionId, value) VALUES ('Click 2', 'Conversion 1', 15);
|
|
INSERT INTO default.tableClick(clickId, conversionId, value) VALUES ('Click 3', 'Conversion 1', 16);
|
|
|
|
SELECT
|
|
conversion.conversionId AS myConversionId,
|
|
click.clickId AS myClickId,
|
|
click.myValue AS myValue
|
|
FROM (
|
|
SELECT conversionId, value as myValue
|
|
FROM default.tableConversion
|
|
) AS conversion
|
|
INNER JOIN (
|
|
SELECT clickId, conversionId, value as myValue
|
|
FROM default.tableClick
|
|
) AS click ON click.conversionId = conversion.conversionId
|
|
LEFT JOIN (
|
|
SELECT * FROM default.leftjoin
|
|
) AS dummy ON (dummy.id = conversion.conversionId)
|
|
ORDER BY myValue;
|
|
|
|
DROP TABLE IF EXISTS tableConversion;
|
|
DROP TABLE IF EXISTS tableClick;
|
|
DROP TABLE IF EXISTS leftjoin;
|