[#89] Support array element for array_contains

Author: beikov

core/impl/src/main/java/com/blazebit/query/impl/calcite/function/ArrayContainsFunction.java

@@ -41,7 +41,7 @@ public class ArrayContainsFunction implements ScalarFunction, ImplementableFunct
 	private final Method decimalMethod;
 	private final Method comparatorMethod;
 	private final List<FunctionParameter> parameters = ImmutableList.of(
-			new SimpleFunctionParameter(0, "array", Object.class, false),
+			new SimpleFunctionParameter(0, "array", List.class, false),
 			new SimpleFunctionParameter(1, "element", Object.class, false)
 	);
 
@@ -108,7 +108,18 @@ public Expression implement(RexToLixTranslator translator, RexCall call, RexImpT
 	}
 
 	public static Boolean arrayContains(List<?> list, Object element) {
-		return list == null ? null : list.contains(element);
+		if (list == null) {
+			return null;
+		}
+		if (element instanceof List<?> list2) {
+			for (Object e : list2) {
+				if (!list.contains(e)) {
+					return false;
+				}
+			}
+			return true;
+		}
+		return list.contains(element);
 	}
 
 	public static Boolean arrayContains(List<BigDecimal> list, BigDecimal element) {

core/impl/src/test/java/com/blazebit/query/impl/EnumArrayTest.java

@@ -50,7 +50,7 @@ public List<JiraCloudAdminUser> fetch(DataFetchContext context) {
 		try (QueryContext queryContext = queryContextBuilder.build()) {
 			try (QuerySession session = queryContext.createSession()) {
 				TypedQuery<Object[]> query = session.createQuery(
-						"select r = 'ADMIN', array_contains(u.platformRoles, 'ADMIN'), array_contains(u.aliases, 'ADMIN'), arrays_overlap(u.aliases, ?) " +
+						"select r = 'ADMIN', array_contains(u.platformRoles, 'ADMIN'), array_contains(u.aliases, array['ADMIN', 'admin']), arrays_overlap(u.aliases, ?) " +
 								"from JiraCloudAdminUser u " +
 								"cross join unnest(u.platformRoles) r"
 				).setParameter( 1, List.of( PlatformRole.ADMIN.name(), "u1" ) );