ES|QL - Make full text functions GA

docs/reference/query-languages/esql/_snippets/lists/search-functions.md

@@ -1,4 +1,4 @@
-* [preview] [`KQL`](../../functions-operators/search-functions.md#esql-kql)
-* [preview] [`MATCH`](../../functions-operators/search-functions.md#esql-match)
-* [preview] [`QSTR`](../../functions-operators/search-functions.md#esql-qstr)
-% * [preview] [`TERM`](../../functions-operators/search-functions.md#esql-term)
+* [`KQL`](../../functions-operators/search-functions.md#esql-kql)
+* [`MATCH`](../../functions-operators/search-functions.md#esql-match)
+* [`QSTR`](../../functions-operators/search-functions.md#esql-qstr)
+% * [`TERM`](../../functions-operators/search-functions.md#esql-term)

docs/reference/query-languages/esql/limitations.md

@@ -105,7 +105,6 @@ In addition, when [querying multiple indexes](docs-content://explore-analyze/que
 
 ## Full-text search [esql-limitations-full-text-search]
 
-[preview] {{esql}}'s support for [full-text search](/reference/query-languages/esql/functions-operators/search-functions.md) is currently in Technical Preview.
 One limitation of full-text search is that it is necessary to use the search function,
 like [`MATCH`](/reference/query-languages/esql/functions-operators/search-functions.md#esql-match),
 in a [`WHERE`](/reference/query-languages/esql/commands/processing-commands.md#esql-where) command directly after the

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/expression/function/fulltext/Kql.java

@@ -35,7 +35,6 @@ public class Kql extends FullTextFunction {
 
     @FunctionInfo(
         returnType = "boolean",
-        preview = true,
         description = "Performs a KQL query. Returns true if the provided KQL query string matches the row.",
         examples = { @Example(file = "kql-function", tag = "kql-with-field") }
     )

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/expression/function/fulltext/Match.java

@@ -138,7 +138,6 @@ public class Match extends FullTextFunction implements OptionalArgument, PostAna
 
     @FunctionInfo(
         returnType = "boolean",
-        preview = true,
         description = """
             Use `MATCH` to perform a <<query-dsl-match-query,match query>> on the specified field.
             Using `MATCH` is equivalent to using the `match` query in the Elasticsearch Query DSL.

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/expression/function/fulltext/MatchOperator.java

@@ -28,7 +28,6 @@ public class MatchOperator extends Match {
     @FunctionInfo(
         returnType = "boolean",
         operator = ":",
-        preview = true,
         description = """
             Use the match operator (`:`) to perform a <<query-dsl-match-query,match query>> on the specified field.
             Using `:` is equivalent to using the `match` query in the Elasticsearch Query DSL.

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/expression/function/fulltext/QueryString.java

@@ -106,7 +106,6 @@ public class QueryString extends FullTextFunction implements OptionalArgument {
 
     @FunctionInfo(
         returnType = "boolean",
-        preview = true,
         description = "Performs a <<query-dsl-query-string-query,query string query>>. "
             + "Returns true if the provided query string matches the row.",
         examples = {