#186 - Consider byte[] binary data when mapping entities.

We now exclude byte[] properties from being mapped to array types. To map data to a 1-dimensional BYTE[] Postgres type, properties can be declared as Collection<Byte> or Byte[].

src/test/java/org/springframework/data/r2dbc/core/AbstractDatabaseClientIntegrationTests.java

@@ -219,6 +219,36 @@ public abstract class AbstractDatabaseClientIntegrationTests extends R2dbcIntegr
 		assertThat(jdbc.queryForMap("SELECT id, name, manual FROM legoset")).hasEntrySatisfying("id", numberOf(42055));
 	}
 
+	@Test // gh-2
+	public void insertTypedObjectWithBinary() {
+
+		LegoSet legoSet = new LegoSet();
+		legoSet.setId(42055);
+		legoSet.setName("SCHAUFELRADBAGGER");
+		legoSet.setManual(12);
+		legoSet.setCert(new byte[] { 1, 2, 3, 4, 5 });
+
+		DatabaseClient databaseClient = DatabaseClient.create(connectionFactory);
+
+		databaseClient.insert().into(LegoSet.class)//
+				.using(legoSet) //
+				.fetch() //
+				.rowsUpdated() //
+				.as(StepVerifier::create) //
+				.expectNext(1) //
+				.verifyComplete();
+
+		databaseClient.select().from(LegoSet.class) //
+				.matching(where("name").is("SCHAUFELRADBAGGER")) //
+				.fetch() //
+				.first() //
+				.as(StepVerifier::create) //
+				.assertNext(actual -> {
+
+					assertThat(actual.getCert()).isEqualTo(new byte[] { 1, 2, 3, 4, 5 });
+				}).verifyComplete();
+	}
+
 	@Test // gh-64
 	public void update() {
 
@@ -491,5 +521,6 @@ public abstract class AbstractDatabaseClientIntegrationTests extends R2dbcIntegr
 		@Id int id;
 		String name;
 		Integer manual;
+		byte[] cert;
 	}
 }

src/test/java/org/springframework/data/r2dbc/core/MySqlDatabaseClientIntegrationTests.java

@@ -24,6 +24,7 @@ import reactor.test.StepVerifier;
 import javax.sql.DataSource;
 
 import org.junit.ClassRule;
+import org.junit.Ignore;
 import org.junit.Test;
 
 import org.springframework.dao.DataAccessException;
@@ -83,6 +84,11 @@ public class MySqlDatabaseClientIntegrationTests extends AbstractDatabaseClientI
 				.verifyComplete();
 	}
 
+	@Ignore("https://github.com/mirromutth/r2dbc-mysql/issues/62")
+	@Test
+	@Override
+	public void insertTypedObjectWithBinary() {}
+
 	@Table("boolean_mapping")
 	@Data
 	static class BooleanMapping {

src/test/java/org/springframework/data/r2dbc/core/ReactiveDataAccessStrategyTestSupport.java

@@ -171,6 +171,11 @@ public abstract class ReactiveDataAccessStrategyTestSupport {
 		testType(PrimitiveTypes::setUuid, PrimitiveTypes::getUuid, UUID.randomUUID(), "uuid");
 	}
 
+	@Test // gh-186
+	public void shouldReadAndWriteBinary() {
+		testType(PrimitiveTypes::setBinary, PrimitiveTypes::getBinary, "hello".getBytes(), "binary");
+	}
+
 	private <T> void testType(BiConsumer<PrimitiveTypes, T> setter, Function<PrimitiveTypes, T> getter, T testValue,
 			String fieldname) {
 
@@ -224,6 +229,8 @@ public abstract class ReactiveDataAccessStrategyTestSupport {
 		OffsetDateTime offsetDateTime;
 		ZonedDateTime zonedDateTime;
 
+		byte[] binary;
+
 		UUID uuid;
 	}
 }

src/test/java/org/springframework/data/r2dbc/testing/H2TestSupport.java

@@ -33,7 +33,8 @@ public class H2TestSupport {
 	public static String CREATE_TABLE_LEGOSET = "CREATE TABLE legoset (\n" //
 			+ "    id          integer CONSTRAINT id PRIMARY KEY,\n" //
 			+ "    name        varchar(255) NOT NULL,\n" //
-			+ "    manual      integer NULL\n" //
+			+ "    manual      integer NULL\n," //
+			+ "    cert        bytea NULL\n" //
 			+ ");";
 
 	public static String CREATE_TABLE_LEGOSET_WITH_ID_GENERATION = "CREATE TABLE legoset (\n" //

src/test/java/org/springframework/data/r2dbc/testing/MySqlTestSupport.java

@@ -43,7 +43,8 @@ public class MySqlTestSupport {
 	public static String CREATE_TABLE_LEGOSET = "CREATE TABLE legoset (\n" //
 			+ "    id          integer PRIMARY KEY,\n" //
 			+ "    name        varchar(255) NOT NULL,\n" //
-			+ "    manual      integer NULL\n" //
+			+ "    manual      integer NULL\n," //
+			+ "    cert        varbinary(255) NULL\n" //
 			+ ") ENGINE=InnoDB;";
 
 	public static String CREATE_TABLE_LEGOSET_WITH_ID_GENERATION = "CREATE TABLE legoset (\n" //

src/test/java/org/springframework/data/r2dbc/testing/PostgresTestSupport.java

@@ -26,7 +26,8 @@ public class PostgresTestSupport {
 	public static String CREATE_TABLE_LEGOSET = "CREATE TABLE legoset (\n" //
 			+ "    id          integer CONSTRAINT id PRIMARY KEY,\n" //
 			+ "    name        varchar(255) NOT NULL,\n" //
-			+ "    manual      integer NULL\n" //
+			+ "    manual      integer NULL\n," //
+			+ "    cert        bytea NULL\n" //
 			+ ");";
 
 	public static String CREATE_TABLE_LEGOSET_WITH_ID_GENERATION = "CREATE TABLE legoset (\n" //

src/test/java/org/springframework/data/r2dbc/testing/SqlServerTestSupport.java

@@ -18,7 +18,8 @@ public class SqlServerTestSupport {
 	public static String CREATE_TABLE_LEGOSET = "CREATE TABLE legoset (\n" //
 			+ "    id          integer PRIMARY KEY,\n" //
 			+ "    name        varchar(255) NOT NULL,\n" //
-			+ "    manual      integer NULL\n" //
+			+ "    manual      integer NULL\n," //
+			+ "    cert        varbinary(255) NULL\n" //
 			+ ");";
 
 	public static String CREATE_TABLE_LEGOSET_WITH_ID_GENERATION = "CREATE TABLE legoset (\n" //