/** Give a <code>ValueSource</code> whose {@link #jdbcType} claims
* to be one of the integer types (<code>TINYINT</code>,
* <code>SMALLINT</code>, <code>INTEGER</code>,
* <code>BIGINT<code>), get the integer value. Needed because of
* <code>UNSIGNED</code> and <code>YEAR</code> types.
*/
public long getIntegerValue(ValueSource value) {
switch (TInstance.underlyingType(value.getType())) {
case INT_8:
return value.getInt8();
case INT_16:
return value.getInt16();
case UINT_16:
return value.getUInt16();
case INT_32:
return value.getInt32();
case INT_64:
default:
return value.getInt64();
}
}
protected boolean tryFromObject(TExecutionContext context, ValueSource in, ValueTarget out) {
if (in.getType().equalsExcludingNullable(out.getType())) {
ValueTargets.copyFrom(in, out);
return true;
}
UnderlyingType underlyingType = TInstance.underlyingType(in.getType());
if (underlyingType == UnderlyingType.STRING || underlyingType == UnderlyingType.BYTES)
return false;
final String asString;
switch (underlyingType) {
case BOOL:
asString = Boolean.toString(in.getBoolean());
break;
case INT_8:
asString = Byte.toString(in.getInt8());
break;
case INT_16:
asString = Short.toString(in.getInt16());
break;
case UINT_16:
asString = Integer.toString(in.getUInt16());
break;
case INT_32:
asString = Integer.toString(in.getInt32());
break;
case INT_64:
asString = Long.toString(in.getInt64());
break;
case FLOAT:
asString = Float.toString(in.getFloat());
break;
case DOUBLE:
asString = Double.toString(in.getDouble());
break;
case BYTES:
case STRING:
default:
throw new AssertionError(underlyingType + ": " + in);
}
parser.parse(context, new Value(MString.varcharFor(asString), asString), out);
return true;
}
/**
* Encode the given value into a stream that can then be passed to <code>writeByteStream</code>.
*/
public ByteArrayOutputStream encodeValue(ValueSource value, ServerType type, boolean binary)
throws IOException {
if (value.isNull()) return null;
if ((zeroDateTimeBehavior != ZeroDateTimeBehavior.NONE)
&& (((type.getType().typeClass() == MDateAndTime.DATE) && (value.getInt32() == 0))
|| ((type.getType().typeClass() == MDateAndTime.DATETIME)
&& (value.getInt64() == 0)))) {
switch (zeroDateTimeBehavior) {
case EXCEPTION:
throw new ZeroDateTimeException();
case ROUND:
value =
(type.getType().typeClass() == MDateAndTime.DATETIME)
? ROUND_ZERO_DATETIME_SOURCE
: ROUND_ZERO_DATE_SOURCE;
break;
case CONVERT_TO_NULL:
return null;
}
}
reset();
appendValue(value, type, binary);
return getByteStream();
}