SELECT *,
CASE SUBSTRING(SlabExpression, PATINDEX('%[<,=,>]%', SlabExpression), PATINDEX('%[0-9]%', RIGHT(SlabExpression, LEN(SlabExpression) - PATINDEX('%[<,=,>]%', SlabExpression))))
WHEN '<=' THEN
CASE WHEN CAST(LEFT(SlabExpression, PATINDEX('%[<,=,>]%', SlabExpression) -1) AS INT) <= CAST(RIGHT(SlabExpression, LEN(SlabExpression) - PATINDEX('%[<,=,>]%', SlabExpression) -1) AS INT) THEN 'True'
ELSE 'False' END
WHEN '=<' THEN
CASE WHEN CAST(LEFT(SlabExpression, PATINDEX('%[<,=,>]%', SlabExpression) -1) AS INT) <= CAST(RIGHT(SlabExpression, LEN(SlabExpression) - PATINDEX('%[<,=,>]%', SlabExpression) -1) AS INT) THEN 'True'
ELSE 'False' END
WHEN '>=' THEN
CASE WHEN CAST(LEFT(SlabExpression, PATINDEX('%[<,=,>]%', SlabExpression) -1) AS INT) >= CAST(RIGHT(SlabExpression, LEN(SlabExpression) - PATINDEX('%[<,=,>]%', SlabExpression) -1) AS INT) THEN 'True'
ELSE 'False' END
WHEN '=>' THEN
CASE WHEN CAST(LEFT(SlabExpression, PATINDEX('%[<,=,>]%', SlabExpression) -1) AS INT) >= CAST(RIGHT(SlabExpression, LEN(SlabExpression) - PATINDEX('%[<,=,>]%', SlabExpression) -1) AS INT) THEN 'True'
ELSE 'False' END
WHEN '>' THEN
CASE WHEN CAST(LEFT(SlabExpression, PATINDEX('%[<,=,>]%', SlabExpression) -1) AS INT) > CAST(RIGHT(SlabExpression, LEN(SlabExpression) - PATINDEX('%[<,=,>]%', SlabExpression)) AS INT) THEN 'True'
ELSE 'False' END
WHEN '<' THEN
CASE WHEN CAST(LEFT(SlabExpression, PATINDEX('%[<,=,>]%', SlabExpression) -1) AS INT) < CAST(RIGHT(SlabExpression, LEN(SlabExpression) - PATINDEX('%[<,=,>]%', SlabExpression)) AS INT) THEN 'True'
ELSE 'False' END
WHEN '=' THEN
CASE WHEN CAST(LEFT(SlabExpression, PATINDEX('%[<,=,>]%', SlabExpression) -1) AS INT) = CAST(RIGHT(SlabExpression, LEN(SlabExpression) - PATINDEX('%[<,=,>]%', SlabExpression)) AS INT) THEN 'True'
ELSE 'False' END
ELSE null
END AS Value
FROM #TEMP
SELECT * FROM #TEMP其中SlabExpression像'1200000> 10000000' –
只是爲了看看我是否得到它,您希望您的查詢評估SlabExpression列的內容並返回結果爲true的行嗎? –
是@ZoharPeled。你做對了。我想評估SlabExpression列是否返回true。所以我會得到我的板坯。 –