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26 lines
1.0 KiB
SQL
26 lines
1.0 KiB
SQL
CREATE TABLE tableConversion (conversionId String, value Nullable(Double)) ENGINE = Log();
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CREATE TABLE tableClick (clickId String, conversionId String, value Nullable(Double)) ENGINE = Log();
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CREATE TABLE leftjoin (id String) ENGINE = Log();
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INSERT INTO tableConversion(conversionId, value) VALUES ('Conversion 1', 1);
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INSERT INTO tableClick(clickId, conversionId, value) VALUES ('Click 1', 'Conversion 1', 14);
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INSERT INTO tableClick(clickId, conversionId, value) VALUES ('Click 2', 'Conversion 1', 15);
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INSERT INTO tableClick(clickId, conversionId, value) VALUES ('Click 3', 'Conversion 1', 16);
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SELECT
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conversion.conversionId AS myConversionId,
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click.clickId AS myClickId,
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click.myValue AS myValue
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FROM (
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SELECT conversionId, value as myValue
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FROM tableConversion
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) AS conversion
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INNER JOIN (
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SELECT clickId, conversionId, value as myValue
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FROM tableClick
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) AS click ON click.conversionId = conversion.conversionId
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LEFT JOIN (
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SELECT * FROM leftjoin
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) AS dummy ON (dummy.id = conversion.conversionId)
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ORDER BY myValue;
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