ESQL - match operator included in non-snapshot builds (elastic#116819) (elastic#117227)

(cherry picked from commit ea4b41f)

Author: carlosdelest

docs/changelog/116819.yaml

@@ -0,0 +1,5 @@
+pr: 116819
+summary: ESQL - Add match operator (:)
+area: Search
+type: feature
+issues: []

docs/reference/esql/functions/kibana/definition/match_operator.json

@@ -16,6 +16,7 @@ Boolean operators for comparing against one or multiple expressions.
 * <<esql-in-operator>>
 * <<esql-like-operator>>
 * <<esql-rlike-operator>>
+* experimental:[] <<esql-search-operators>>
 // end::op_list[]
 
 include::binary.asciidoc[]
@@ -26,3 +27,4 @@ include::cast.asciidoc[]
 include::in.asciidoc[]
 include::like.asciidoc[]
 include::rlike.asciidoc[]
+include::search.asciidoc[]

docs/reference/esql/functions/kibana/docs/match_operator.md

@@ -0,0 +1,23 @@
+[discrete]
+[[esql-search-operators]]
+=== Search operators
+
+The only search operator is match (`:`).
+
+preview::["Do not use on production environments. This functionality is in technical preview and may be changed or removed in a future release. Elastic will work to fix any issues, but features in technical preview are not subject to the support SLA of official GA features."]
+
+The match operator performs a <<query-dsl-match-query,match query>> on the specified field. Returns true if the provided query matches the row.
+
+[.text-center]
+image::esql/functions/signature/match_operator.svg[Embedded,opts=inline]
+
+include::types/match.asciidoc[]
+
+[source.merge.styled,esql]
+----
+include::{esql-specs}/match-operator.csv-spec[tag=match-with-field]
+----
+[%header.monospaced.styled,format=dsv,separator=|]
+|===
+include::{esql-specs}/match-operator.csv-spec[tag=match-with-field-result]
+|===

docs/reference/esql/functions/operators.asciidoc

@@ -14,9 +14,6 @@
 import org.elasticsearch.test.junit.annotations.TestLogging;
 import org.elasticsearch.xpack.esql.VerificationException;
 import org.elasticsearch.xpack.esql.action.AbstractEsqlIntegTestCase;
-import org.elasticsearch.xpack.esql.action.EsqlCapabilities;
-import org.elasticsearch.xpack.esql.action.EsqlQueryRequest;
-import org.elasticsearch.xpack.esql.action.EsqlQueryResponse;
 import org.junit.Before;
 
 import java.util.List;
@@ -32,12 +29,6 @@ public void setupIndex() {
         createAndPopulateIndex();
     }
 
-    @Override
-    protected EsqlQueryResponse run(EsqlQueryRequest request) {
-        assumeTrue("match operator capability not available", EsqlCapabilities.Cap.MATCH_OPERATOR_COLON.isEnabled());
-        return super.run(request);
-    }
-
     public void testSimpleWhereMatch() {
         var query = """
             FROM test

docs/reference/esql/functions/search.asciidoc

@@ -112,8 +112,6 @@ WS
     : [ \r\n\t]+ -> channel(HIDDEN)
     ;
 
-COLON : ':';
-
 //
 // Expression - used by most command
 //
@@ -184,6 +182,7 @@ AND : 'and';
 ASC : 'asc';
 ASSIGN : '=';
 CAST_OP : '::';
+COLON : ':';
 COMMA : ',';
 DESC : 'desc';
 DOT : '.';
@@ -216,7 +215,6 @@ MINUS : '-';
 ASTERISK : '*';
 SLASH : '/';
 PERCENT : '%';
-EXPRESSION_COLON : {this.isDevVersion()}? COLON -> type(COLON);
 
 NESTED_WHERE : WHERE -> type(WHERE);