Default to scalar values for LOB column retrieval according to spec changes

[resolves #190]

Author: mp911de

README.md

@@ -275,7 +275,7 @@ This reference table shows the type mapping between [PostgreSQL][p] and Java dat
 | [`smallint`][psql-smallint-ref]                 | [**`Short`**][java-short-ref], [`Boolean`][java-boolean-ref], [`Byte`][java-byte-ref], [`Integer`][java-integer-ref], [`Long`][java-long-ref], [`BigDecimal`][java-bigdecimal-ref]|
 | [`smallserial`][psql-smallserial-ref]           | [**`Integer`**][java-integer-ref], [`Boolean`][java-boolean-ref], [`Byte`][java-byte-ref], [`Short`][java-short-ref], [`Long`][java-long-ref], [`BigDecimal`][java-bigdecimal-ref]|
 | [`serial`][psql-serial-ref]                     | [**`Long`**][java-long-ref], [`Boolean`][java-boolean-ref], [`Byte`][java-byte-ref], [`Short`][java-short-ref], [`Integer`][java-integer-ref], [`BigDecimal`][java-bigdecimal-ref]|
-| [`text`][psql-text-ref]                         | [`String`][java-string-ref]|
+| [`text`][psql-text-ref]                         | [**`String`**][java-string-ref], `Clob`|
 | [`time [without time zone]`][psql-time-ref]     | [`LocalTime`][java-lt-ref]|
 | [`time [with time zone]`][psql-time-ref]        | Not yet supported.|
 | [`timestamp [without time zone]`][psql-time-ref]|[**`LocalDateTime`**][java-ldt-ref], [`LocalTime`][java-lt-ref], [`LocalDate`][java-ld-ref]|

src/main/java/io/r2dbc/postgresql/codec/DefaultCodecs.java

@@ -54,10 +54,8 @@ public DefaultCodecs(ByteBufAllocator byteBufAllocator) {
             new BinaryByteArrayCodec(byteBufAllocator),
 
             new BigDecimalCodec(byteBufAllocator),
-            new BlobCodec(byteBufAllocator),
             new BooleanCodec(byteBufAllocator),
             new CharacterCodec(byteBufAllocator),
-            new ClobCodec(byteBufAllocator),
             new DoubleCodec(byteBufAllocator),
             new FloatCodec(byteBufAllocator),
             new InetAddressCodec(byteBufAllocator),
@@ -85,6 +83,9 @@ public DefaultCodecs(ByteBufAllocator byteBufAllocator) {
             new ByteCodec(byteBufAllocator),
             new DateCodec(byteBufAllocator),
 
+            new BlobCodec(byteBufAllocator),
+            new ClobCodec(byteBufAllocator),
+
             new ShortArrayCodec(byteBufAllocator),
             new StringArrayCodec(byteBufAllocator),
             new IntegerArrayCodec(byteBufAllocator),

src/test/java/io/r2dbc/postgresql/ExtendedQueryPostgresqlStatementTest.java

@@ -77,7 +77,7 @@ void bind() {
 
     @Test
     void bindIndex() {
-        assertThat(((ExtendedQueryPostgresqlStatement) this.statement.bind(0, 100)).getCurrentBinding()).isEqualTo(new Binding(1).add(0, this.parameter));
+        assertThat(this.statement.bind(0, 100).getCurrentBinding()).isEqualTo(new Binding(1).add(0, this.parameter));
     }
 
     @Test