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* Break out 'Limitations' into separate page * Add REST API docs * Restructure commands, functions, and operators refs * Add placeholder for getting started guide * Group 'Syntax', 'Metafields', and 'MV fields' under 'Language' * Add placeholder for Kibana page * Add link from landing page * Apply uniform formatting to ACOS, CASE, and DATE_PARSE function refs * Reword default LIMIT * Add support for COUNT(*) * Move 'Commands' and 'Functions and operators' to individual pages --------- Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
28 lines
871 B
Text
28 lines
871 B
Text
[discrete]
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[[esql-to_ip]]
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=== `TO_IP`
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Converts an input string to an IP value.
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The input can be a single- or multi-valued field or an expression.
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Example:
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[source.merge.styled,esql]
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----
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include::{esql-specs}/ip.csv-spec[tag=to_ip]
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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}/ip.csv-spec[tag=to_ip-result]
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|===
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Note that in the example above the last conversion of the string isn't
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possible. When this happens, the result is a *null* value. In this case a
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_Warning_ header is added to the response. The header will provide information
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on the source of the failure:
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`"Line 1:68: evaluation of [TO_IP(str2)] failed, treating result as null. Only first 20 failures recorded."`
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A following header will contain the failure reason and the offending value:
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`"java.lang.IllegalArgumentException: 'foo' is not an IP string literal."`
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