elasticsearch/docs/reference/query-languages/esql/_snippets/functions/hash.md
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Co-authored-by: Liam Thompson <32779855+leemthompo@users.noreply.github.com>
Co-authored-by: Liam Thompson <leemthompo@gmail.com>
Co-authored-by: Martijn Laarman <Mpdreamz@gmail.com>
Co-authored-by: István Zoltán Szabó <szabosteve@gmail.com>
2025-02-27 17:56:14 +01:00

1.2 KiB

HASH [esql-hash]

Syntax

:::{image} ../../../../../images/hash.svg :alt: Embedded :class: text-center :::

Parameters

algorithm
Hash algorithm to use.
input
Input to hash.

Description

Computes the hash of the input using various algorithms such as MD5, SHA, SHA-224, SHA-256, SHA-384, SHA-512.

Supported types

algorithm input result
keyword keyword keyword
keyword text keyword
text keyword keyword
text text keyword

Example

FROM sample_data
| WHERE message != "Connection error"
| EVAL md5 = hash("md5", message), sha256 = hash("sha256", message)
| KEEP message, md5, sha256;
message:keyword md5:keyword sha256:keyword
Connected to 10.1.0.1 abd7d1ce2bb636842a29246b3512dcae 6d8372129ad78770f7185554dd39864749a62690216460752d6c075fa38ad85c
Connected to 10.1.0.2 8f8f1cb60832d153f5b9ec6dc828b93f b0db24720f15857091b3c99f4c4833586d0ea3229911b8777efb8d917cf27e9a
Connected to 10.1.0.3 912b6dc13503165a15de43304bb77c78 75b0480188db8acc4d5cc666a51227eb2bc5b989cd8ca912609f33e0846eff57
Disconnected ef70e46fd3bbc21e3e1f0b6815e750c0 04dfac3671b494ad53fcd152f7a14511bfb35747278aad8ce254a0d6e4ba4718