elastic · idegtiarenko · Dec 18, 2024 · Dec 4, 2024 · Dec 4, 2024 · Dec 4, 2024
diff --git a/docs/changelog/117989.yaml b/docs/changelog/117989.yaml
@@ -0,0 +1,5 @@
+pr: 117989
+summary: ESQL Add esql hash function
+area: ES|QL
+type: enhancement
+issues: []
diff --git a/docs/reference/esql/functions/description/hash.asciidoc b/docs/reference/esql/functions/description/hash.asciidoc
diff --git a/docs/reference/esql/functions/kibana/definition/hash.json b/docs/reference/esql/functions/kibana/definition/hash.json
diff --git a/docs/reference/esql/functions/kibana/docs/hash.md b/docs/reference/esql/functions/kibana/docs/hash.md
diff --git a/docs/reference/esql/functions/layout/hash.asciidoc b/docs/reference/esql/functions/layout/hash.asciidoc
diff --git a/docs/reference/esql/functions/parameters/hash.asciidoc b/docs/reference/esql/functions/parameters/hash.asciidoc
diff --git a/docs/reference/esql/functions/signature/hash.svg b/docs/reference/esql/functions/signature/hash.svg
diff --git a/docs/reference/esql/functions/string-functions.asciidoc b/docs/reference/esql/functions/string-functions.asciidoc
@@ -13,6 +13,7 @@
 * <<esql-concat>>
 * <<esql-ends_with>>
 * <<esql-from_base64>>
+* <<esql-hash>>
 * <<esql-left>>
 * <<esql-length>>
 * <<esql-locate>>
@@ -37,6 +38,7 @@ include::layout/byte_length.asciidoc[]
 include::layout/concat.asciidoc[]
 include::layout/ends_with.asciidoc[]
 include::layout/from_base64.asciidoc[]
+include::layout/hash.asciidoc[]
 include::layout/left.asciidoc[]
 include::layout/length.asciidoc[]
 include::layout/locate.asciidoc[]

diff --git a/docs/reference/esql/functions/types/hash.asciidoc b/docs/reference/esql/functions/types/hash.asciidoc
diff --git a/x-pack/plugin/esql/qa/testFixtures/src/main/resources/hash.csv-spec b/x-pack/plugin/esql/qa/testFixtures/src/main/resources/hash.csv-spec
@@ -0,0 +1,14 @@
+hash
+required_capability: hash_function
+
+FROM languages 
+| EVAL md5 = hash("md5", language_name), sha256 = hash("sha256", language_name) 
+| KEEP language_name, md5, sha256;
+ignoreOrder:true
+
+language_name:keyword | md5:keyword                      | sha256:keyword
+English               | 78463a384a5aa4fad5fa73e2f506ecfc | ba118bf7fc9c1aedc1edb28a0aa86e0b43b681f222af6616e13c43be87815b06
+French                | ad225f707802ba118c22987186dd38e8 | 7458199fe97a184002bfd3c42bae81371f0ae2229b5c0a257a9bae77e4f4eda8
+Spanish               | cb5480c32e71778852b08ae1e8712775 | 3411059cb8e0660e29dd7a3737e65a28b08eb01524a8ebc3d4168932649f23e6
+German                | 86bc3115eb4e9873ac96904a4a68e19e | a659b60d246dce8d4865d45673963de83d0e49a57e8559da98581c2bc5d7d97f
+;
diff --git a/...org/elasticsearch/xpack/esql/expression/function/scalar/string/HashConstantEvaluator.java b/...org/elasticsearch/xpack/esql/expression/function/scalar/string/HashConstantEvaluator.java