Add test for stored procedures accepting array types.

Closes #3081

Author: mp911de

spring-data-jpa/src/test/java/org/springframework/data/jpa/repository/procedures/PostgresStoredProcedureIntegrationTests.java

@@ -159,6 +159,14 @@ void supportsMultipleOutParameters() {
 		assertThat(results).containsKey("some_cursor");
 	}
 
+	@Test // GH-3081
+	void supportsArrayTypes() {
+
+		String result = repository.accept_array(new String[] { "one", "two" });
+
+		assertThat(result).isEqualTo("[1:2]");
+	}
+
 	@Entity
 	@NamedStoredProcedureQuery( //
 			name = "get_employees_postgres", //
@@ -177,6 +185,11 @@ void supportsMultipleOutParameters() {
 					@StoredProcedureParameter(mode = ParameterMode.REF_CURSOR, name = "some_cursor", type = void.class),
 					@StoredProcedureParameter(mode = ParameterMode.OUT, name = "result1", type = Integer.class),
 					@StoredProcedureParameter(mode = ParameterMode.OUT, name = "result2", type = Integer.class) })
+	@NamedStoredProcedureQuery( //
+			name = "Employee.accept_array", //
+			procedureName = "accept_array", //
+			parameters = { @StoredProcedureParameter(mode = ParameterMode.IN, name = "some_chars", type = String[].class),
+					@StoredProcedureParameter(mode = ParameterMode.OUT, name = "dims", type = String.class) })
 	@NamedStoredProcedureQuery( //
 			name = "positional_inout", //
 			procedureName = "positional_inout_parameter_issue3460", //
@@ -260,6 +273,9 @@ public interface EmployeeRepositoryWithRefCursor extends JpaRepository<Employee,
 		@Procedure(value = "get_employees_count")
 		Integer noResultSet();
 
+		@Procedure(value = "accept_array")
+		String accept_array(String[] some_chars);
+
 		@Procedure(value = "multiple_out")
 		Map<String, Object> multiple_out(int someNumber);
 

spring-data-jpa/src/test/resources/scripts/postgres-stored-procedures.sql

@@ -65,3 +65,13 @@ BEGIN
     OPEN some_cursor FOR SELECT COUNT(*) FROM employee;
 END;
 $BODY$;;
+
+CREATE OR REPLACE PROCEDURE accept_array(IN some_chars VARCHAR(255)[],
+                                         OUT dims VARCHAR(255))
+    LANGUAGE 'plpgsql'
+AS
+$BODY$
+BEGIN
+    dims = array_dims(some_chars);
+END;
+$BODY$;;