62 lines
986 B
Markdown
62 lines
986 B
Markdown
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## `TO_STRING` [esql-to_string]
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**Syntax**
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:::{image} ../../../../../images/to_string.svg
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:alt: Embedded
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:class: text-center
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:::
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**Parameters**
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`field`
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: Input value. The input can be a single- or multi-valued column or an expression.
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**Description**
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Converts an input value into a string.
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**Supported types**
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| field | result |
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| --- | --- |
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| boolean | keyword |
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| cartesian_point | keyword |
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| cartesian_shape | keyword |
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| date | keyword |
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| date_nanos | keyword |
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| double | keyword |
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| geo_point | keyword |
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| geo_shape | keyword |
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| integer | keyword |
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| ip | keyword |
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| keyword | keyword |
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| long | keyword |
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| text | keyword |
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| unsigned_long | keyword |
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| version | keyword |
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**Examples**
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```esql
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ROW a=10
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| EVAL j = TO_STRING(a)
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```
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| a:integer | j:keyword |
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| --- | --- |
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| 10 | "10" |
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It also works fine on multivalued fields:
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```esql
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ROW a=[10, 9, 8]
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| EVAL j = TO_STRING(a)
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```
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| a:integer | j:keyword |
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| --- | --- |
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| [10, 9, 8] | ["10", "9", "8"] |
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