private AkCollator collator(
ComparisonCondition cond, TPreparedExpression left, TPreparedExpression right) {
TInstance leftInstance = left.resultType();
TInstance rightInstance = right.resultType();
TClass tClass = leftInstance.typeClass();
assert tClass.compatibleForCompare(rightInstance.typeClass())
: tClass + " != " + rightInstance.typeClass();
if (tClass.underlyingType() != UnderlyingType.STRING) return null;
CharacterTypeAttributes leftAttributes = StringAttribute.characterTypeAttributes(leftInstance);
CharacterTypeAttributes rightAttributes =
StringAttribute.characterTypeAttributes(rightInstance);
return TString.mergeAkCollators(leftAttributes, rightAttributes);
}
private static Value convertFromObject(Object object, TInstance type, QueryContext queryContext) {
Value in = fromObject(object);
TInstance inType = in.getType();
Value out = null;
if (!inType.equals(type)) {
TExecutionContext context =
new TExecutionContext(Collections.singletonList(in.getType()), type, queryContext);
out = new Value(type);
type.typeClass().fromObject(context, in, out);
} else {
out = in;
}
return out;
}
public ValueSource valuefromObject(Object value, ServerType type) {
if (value instanceof Date) {
TInstance dateType = javaDateTInstance(value);
Value dateValue = new Value(dateType);
typesTranslator.setTimestampMillisValue(
dateValue,
((Date) value).getTime(),
(value instanceof java.sql.Timestamp) ? ((java.sql.Timestamp) value).getNanos() : 0);
TInstance targetType = type.getType();
if (dateType.equals(targetType)) return dateValue;
TExecutionContext context =
new TExecutionContext(Collections.singletonList(dateType), targetType, null);
Value result = new Value(targetType);
targetType.typeClass().fromObject(context, dateValue, result);
return result;
} else {
// TODO this is inefficient, but I want to get it working.
return ValueSources.valuefromObject(value, type.getType());
}
}
public static Value valuefromObject(Object object, TInstance type, QueryContext queryContext) {
Value value = new Value(type);
if (object == null) {
value.putNull();
} else if (object instanceof String) {
// This is the common case, so let's test for it first
if (TInstance.underlyingType(type) == UnderlyingType.STRING)
value.putString((String) object, null);
else if (type == null) {
type =
MString.VARCHAR.instance(
((String) object).length(),
StringFactory.DEFAULT_CHARSET.ordinal(),
StringFactory.NULL_COLLATION_ID,
false);
value = new Value(type, (String) object);
}
} else if (type == null) {
value = fromObject(object);
} else if (object instanceof BlobRef) {
value.putObject(object);
} else {
switch (TInstance.underlyingType(type)) {
case INT_8:
case INT_16:
case UINT_16:
case INT_32:
case INT_64:
if (object instanceof Number) valueFromLong(((Number) object).longValue(), value);
break;
case FLOAT:
if (object instanceof Number) value.putFloat(((Number) object).floatValue());
break;
case DOUBLE:
if (object instanceof Number) value.putDouble(((Number) object).doubleValue());
break;
case BYTES:
if (object instanceof byte[]) value.putBytes((byte[]) object);
else if (object instanceof ByteSource)
value.putBytes(((ByteSource) object).toByteSubarray());
else if (object instanceof JTSSpatialObject) {
if (AkBlob.isBlob(type.typeClass())) {
byte[] content = Spatial.serializeWKB((JTSSpatialObject) object);
value.putObject(new BlobRef(content));
}
}
break;
case STRING:
if ((object instanceof JTSSpatialObject)) {
value = new Value(type, Spatial.serializeWKT((JTSSpatialObject) object));
} else {
throw new IllegalArgumentException("Unsafe toString(): " + object.getClass());
}
break;
case BOOL:
if (object instanceof Boolean) value.putBool((Boolean) object);
break;
}
}
if (!value.hasAnyValue()) {
if (type == null) {
value = fromObject(object);
} else {
value = convertFromObject(object, type, queryContext);
}
}
return value;
}
private TClass tClass(TPreparedExpression left) {
TInstance type = left.resultType();
return type == null ? null : type.typeClass();
}