38 lines
582 B
Markdown
38 lines
582 B
Markdown
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## `TO_UPPER` [esql-to_upper]
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**Syntax**
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:::{image} ../../../../../images/to_upper.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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`str`
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: String expression. If `null`, the function returns `null`.
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**Description**
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Returns a new string representing the input string converted to upper case.
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**Supported types**
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| str | result |
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| --- | --- |
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| keyword | keyword |
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| text | keyword |
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**Example**
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```esql
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ROW message = "Some Text"
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| EVAL message_upper = TO_UPPER(message)
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```
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| message:keyword | message_upper:keyword |
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| --- | --- |
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| Some Text | SOME TEXT |
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