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[DOCS] ES|QL: Adding a tip to the WHERE documentation #114050

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Oct 14, 2024
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[DOCS] ES|QL: Adding a tip to the WHERE documentation #114050

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e2a2355
Adding a tip to make null field behavior more apparent.
KyleOnK8s Oct 3, 2024
6d58c37
Update docs/reference/esql/processing-commands/where.asciidoc
KyleOnK8s Oct 14, 2024
ba830d3
Update docs/reference/esql/processing-commands/where.asciidoc
KyleOnK8s Oct 14, 2024
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7 changes: 7 additions & 0 deletions docs/reference/esql/processing-commands/where.asciidoc
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Expand Up @@ -5,6 +5,13 @@
The `WHERE` processing command produces a table that contains all the rows from
the input table for which the provided condition evaluates to `true`.

[TIP]
====
In case of value exclusions, fields with `null` values will be excluded from search results.
In this context a `null` means either there is an explicit `null` value in the document or there is no value at all.
For example: `WHERE field != "value"` will be interpreted as `WHERE field != "value" AND field IS NOT NULL`.
====

**Syntax**

[source,esql]
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