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* Functions E-Z * Incorporate changes from #103686 * More functions * More functions * Update docs/reference/esql/functions/floor.asciidoc Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com> * Update docs/reference/esql/functions/left.asciidoc Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com> * Apply suggestions from code review Co-authored-by: Alexander Spies <alexander.spies@elastic.co> * Review feedback * Fix geo_shape description * Change 'colum'/'field' into 'expressions' * Review feedback * One more --------- Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com> Co-authored-by: Alexander Spies <alexander.spies@elastic.co> Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
45 lines
846 B
Text
45 lines
846 B
Text
[discrete]
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[[esql-to_boolean]]
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=== `TO_BOOLEAN`
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*Alias*
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`TO_BOOL`
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*Syntax*
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[source,esql]
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----
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TO_BOOLEAN(v)
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----
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*Parameters*
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`v`::
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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 to a boolean value.
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A string value of *"true"* will be case-insensitive converted to the Boolean
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*true*. For anything else, including the empty string, the function will
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return *false*.
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The numerical value of *0* will be converted to *false*, anything else will be
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converted to *true*.
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*Supported types*
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The input type must be of a string or numeric type.
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*Example*
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[source.merge.styled,esql]
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----
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include::{esql-specs}/boolean.csv-spec[tag=to_boolean]
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----
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[%header.monospaced.styled,format=dsv,separator=|]
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|===
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include::{esql-specs}/boolean.csv-spec[tag=to_boolean-result]
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|===
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