Add ESQL match function (#113374)

Author: carlosdelest

docs/changelog/113374.yaml

@@ -0,0 +1,5 @@
+pr: 113374
+summary: Add ESQL match function
+area: ES|QL
+type: feature
+issues: []

docs/reference/esql/functions/description/match.asciidoc

@@ -155,18 +155,19 @@ public static TypeResolution isNotNullAndFoldable(Expression e, String operation
         return resolution;
     }
 
-    public static TypeResolution isNotFoldable(Expression e, String operationName, ParamOrdinal paramOrd) {
-        if (e.foldable()) {
+    public static TypeResolution isNotNull(Expression e, String operationName, ParamOrdinal paramOrd) {
+        if (e.dataType() == DataType.NULL) {
             return new TypeResolution(
                 format(
                     null,
-                    "{}argument of [{}] must be a table column, found constant [{}]",
+                    "{}argument of [{}] cannot be null, received [{}]",
                     paramOrd == null || paramOrd == DEFAULT ? "" : paramOrd.name().toLowerCase(Locale.ROOT) + " ",
                     operationName,
                     Expressions.name(e)
                 )
             );
         }
+
         return TypeResolution.TYPE_RESOLVED;
     }