Add test for colons in FROM, ENRICH and MATCH

Author: carlosdelest

x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/analysis/AnalyzerTests.java

@@ -31,6 +31,7 @@
 import org.elasticsearch.xpack.esql.expression.function.aggregate.Count;
 import org.elasticsearch.xpack.esql.expression.function.aggregate.Max;
 import org.elasticsearch.xpack.esql.expression.function.aggregate.Min;
+import org.elasticsearch.xpack.esql.expression.function.fulltext.Match;
 import org.elasticsearch.xpack.esql.index.EsIndex;
 import org.elasticsearch.xpack.esql.index.IndexResolution;
 import org.elasticsearch.xpack.esql.parser.ParsingException;
@@ -2310,6 +2311,27 @@ public void testInvalidNamedParamsForIdentifierPatterns() {
         );
     }
 
+    public void testFromEnrichAndMatchColonUsage() {
+        assumeTrue("Match operator is available just for snapshots", EsqlCapabilities.Cap.MATCH_OPERATOR_COLON.isEnabled());
+
+        LogicalPlan plan = analyze("""
+            from *:test
+            | EVAL x = to_string(languages)
+            | ENRICH _any:languages ON x
+            | WHERE first_name: "Anna"
+            """, "mapping-default.json");
+        var limit = as(plan, Limit.class);
+        var filter = as(limit.child(), Filter.class);
+        var match = as(filter.condition(), Match.class);
+        var enrich = as(filter.child(), Enrich.class);
+        assertEquals(enrich.mode(), Enrich.Mode.ANY);
+        assertEquals(enrich.policy().getMatchField(), "language_code");
+        var eval = as(enrich.child(), Eval.class);
+        var esRelation = as(eval.child(), EsRelation.class);
+        assertEquals(esRelation.index().name(), "test");
+
+    }
+
     private void verifyUnsupported(String query, String errorMessage) {
         verifyUnsupported(query, errorMessage, "mapping-multi-field-variation.json");
     }