fork operator

Applies to: ✅Microsoft Fabric✅Azure Data Explorer✅Azure Monitor✅Microsoft Sentinel

平行執行多個取用者運算符。

Syntax

T|fork [name=](subquery) [name=](subquery) ...

Learn more about syntax conventions.

Parameters

支援的查詢運算符

• as
• count
• extend
• parse
• where
• take
• project
• project-away
• project-keep
• project-rename
• project-reorder
• summarize
• top
• top-nested
• sort
• mv-expand
• reduce

Returns

Multiple result tables, one for each of the subquery arguments.

Tips

• 使用 materialize 作為叉子腿或join叉子的替代union專案。 輸入數據流會具體化來快取，然後快取的表達式可用於聯結/聯集腿。

• Use batch with materialize of tabular expression statements instead of the fork operator.

Examples

下列範例會傳回兩個具有未命名數據行的數據表。

StormEvents
| where State == "FLORIDA"
| fork
    ( where DeathsDirect + DeathsIndirect > 1)
    ( where InjuriesDirect + InjuriesIndirect > 1)

Output

此輸出會顯示結果數據表的前幾個數據列和數據行。

Named subqueries

在下列範例中，結果數據表名為 「StormsWithDeaths」 和 「StormsWithInjuries」。

StormEvents
| where State == "FLORIDA"
| fork
    (where DeathsDirect + DeathsIndirect > 1 | as StormsWithDeaths)
    (where InjuriesDirect + InjuriesIndirect > 1 | as StormsWithInjuries)

StormEvents
| where State == "FLORIDA"
| fork
    StormsWithDeaths = (where DeathsDirect + DeathsIndirect > 1)
    StormsWithInjuries = (where InjuriesDirect + InjuriesIndirect > 1)

Output

此輸出會顯示結果數據表的前幾個數據列和數據行。