MV_CONTAINS avoid autoboxing

x-pack/plugin/esql/compute/src/main/java/org/elasticsearch/compute/data/X-Block.java.st

@@ -54,6 +54,34 @@ $else$
     $type$ get$Type$(int valueIndex);
 $endif$
 
+    /**
+     * Checks if this block has the given value at valueIndex. If at this index we have a
+     * multivalue, then it returns true if any values match.
+     *
+     * @param valueIndex the index at which we should check the value(s)
+     * @param value the value to check against
+     */
+    default boolean hasValue(int valueIndex, $type$ value) {
+        final var count = getValueCount(valueIndex);
+        final var startIndex = getFirstValueIndex(valueIndex);
+$if(BytesRef)$
+        var ref = new BytesRef();
+$endif$
+        for (int index = startIndex; index < startIndex + count; index++) {
+$if(BytesRef)$
+            ref = getBytesRef(index, ref);
+            if (value.equals(ref)) {
+                return true;
+            }
+$else$
+            if (value == get$Type$(index)) {
+                return true;
+            }
+$endif$
+        }
+        return false;
+    }
+
     @Override
     $Type$Vector asVector();
 

x-pack/plugin/esql/qa/testFixtures/src/main/resources/string.csv-spec

@@ -2102,27 +2102,30 @@ a         | [a, b, c] | null   | true       | true         | false      | true
 mvContainsCombinations_multirow
 required_capability: fn_mv_contains
 
-ROW row_number = [1,2,3,4,5], element = "e", n = null, setA = ["b","d"], setB = ["a", "c", "e"]
+ROW row_number = [0,1,2,3,4,5], element = "e", n = null, emptyStringSet = [""], setA = ["b","d"], setB = ["a", "c", "e"]
 | MV_EXPAND row_number
 | EVAL superset = CASE(
-                    row_number == 1, ["a","e"],
-                    row_number == 2, ["b","d"],
-                    row_number == 3, null,
-                    row_number == 4, ["a","e","c","b","d"], 
-                    row_number == 5, ["a","d","c","b","e"],
+                    row_number == 0, ["a","e"],
+                    row_number == 1, ["b","d"],
+                    row_number == 2, null,
+                    row_number == 3, ["a","e","c","b","d"], 
+                    row_number == 4, ["a","d","c","b","e"],
+                    row_number == 5, ["a","d","c","b","","e"],
                   null) 
-| EVAL contains_element = mv_contains(superset, element), 
-       contains_null    = mv_contains(superset, n), 
-       contains_setA    = mv_contains(superset, setA), 
-       contains_setB    = mv_contains(superset, setB) 
-;
-
-row_number:INTEGER | element:keyword | n:null | setA:keyword | setB:keyword    | superset:keyword         |contains_element:boolean | contains_null:boolean | contains_setA:boolean | contains_setB:boolean
-1                  | "e"             | null   | ["b","d"]    | ["a", "c", "e"] | ["a","e"]                | true                    | true                  | false                 | false       
-2                  | "e"             | null   | ["b","d"]    | ["a", "c", "e"] | ["b","d"]                | false                   | true                  | true                  | false    
-3                  | "e"             | null   | ["b","d"]    | ["a", "c", "e"] | null                     | false                   | true                  | false                 | false    
-4                  | "e"             | null   | ["b","d"]    | ["a", "c", "e"] | ["a","e","c","b","d"]    | true                    | true                  | true                  | true    
-5                  | "e"             | null   | ["b","d"]    | ["a", "c", "e"] | ["a","d","c","b","e"]    | true                    | true                  | true                  | true    
+| EVAL contains_element         = mv_contains(superset, element), 
+       contains_null            = mv_contains(superset, n), 
+       contains_emptyStringSet  = mv_contains(superset, emptyStringSet), 
+       contains_setA            = mv_contains(superset, setA), 
+       contains_setB            = mv_contains(superset, setB) 
+;
+
+row_number:INTEGER | element:keyword | n:null | emptyStringSet:keyword | setA:keyword | setB:keyword    | superset:keyword         |contains_element:boolean | contains_null:boolean | contains_emptyStringSet:boolean | contains_setA:boolean | contains_setB:boolean
+0                  | "e"             | null   | [""]                   | ["b","d"]    | ["a", "c", "e"] | ["a","e"]                | true                    | true                  | false                           | false                 | false       
+1                  | "e"             | null   | [""]                   | ["b","d"]    | ["a", "c", "e"] | ["b","d"]                | false                   | true                  | false                           | true                  | false    
+2                  | "e"             | null   | [""]                   | ["b","d"]    | ["a", "c", "e"] | null                     | false                   | true                  | false                           | false                 | false    
+3                  | "e"             | null   | [""]                   | ["b","d"]    | ["a", "c", "e"] | ["a","e","c","b","d"]    | true                    | true                  | false                           | true                  | true    
+4                  | "e"             | null   | [""]                   | ["b","d"]    | ["a", "c", "e"] | ["a","d","c","b","e"]    | true                    | true                  | false                           | true                  | true    
+5                  | "e"             | null   | [""]                   | ["b","d"]    | ["a", "c", "e"] | ["a","d","c","b","","e"] | true                    | true                  | true                            | true                  | true    
 ;
 
 mvContains_where