// TODO: cache?
public static LiteralExpression newConstant(
Object value,
PDataType type,
Integer maxLength,
Integer scale,
SortOrder sortOrder,
Determinism determinism,
boolean rowKeyOrderOptimizable)
throws SQLException {
if (value == null) {
return (type == null)
? getNullLiteralExpression(determinism)
: getTypedNullLiteralExpression(type, determinism);
} else if (value instanceof Boolean) {
return getBooleanLiteralExpression((Boolean) value, determinism);
}
PDataType actualType = PDataType.fromLiteral(value);
// For array we should check individual element in it?
// It would be costly though!!!!!
// UpsertStatement can try to cast varchar to date type but PVarchar can't CoercibleTo Date or
// Timestamp
// otherwise TO_NUMBER like functions will fail
if (!actualType.isCoercibleTo(type, value)
&& (!actualType.equals(PVarchar.INSTANCE)
|| !(type.equals(PDate.INSTANCE)
|| type.equals(PTimestamp.INSTANCE)
|| type.equals(PTime.INSTANCE)))) {
throw TypeMismatchException.newException(type, actualType, value.toString());
}
value = type.toObject(value, actualType);
byte[] b =
type.isArrayType()
? ((PArrayDataType) type)
.toBytes(
value, PArrayDataType.arrayBaseType(type), sortOrder, rowKeyOrderOptimizable)
: type.toBytes(value, sortOrder);
if (type == PVarchar.INSTANCE || type == PChar.INSTANCE) {
if (type == PChar.INSTANCE && maxLength != null && b.length < maxLength) {
if (rowKeyOrderOptimizable) {
b = type.pad(b, maxLength, sortOrder);
} else {
b = StringUtil.padChar(b, maxLength);
}
} else if (value != null) {
maxLength = ((String) value).length();
}
} else if (type.isArrayType()) {
maxLength = ((PhoenixArray) value).getMaxLength();
}
if (b.length == 0) {
return getTypedNullLiteralExpression(type, determinism);
}
if (maxLength == null) {
maxLength = type == null || !type.isFixedWidth() ? null : type.getMaxLength(value);
}
return new LiteralExpression(value, type, b, maxLength, scale, sortOrder, determinism);
}
@Override
public String toString() {
if (value == null) {
return "null";
}
// TODO: move into PDataType?
if (type.isCoercibleTo(PTimestamp.INSTANCE)) {
return type + " " + type.toStringLiteral(value, null);
}
return type.toStringLiteral(value, null);
}
public LiteralParseNode literal(String value, String sqlTypeName) throws SQLException {
PDataType expectedType =
sqlTypeName == null
? null
: PDataType.fromSqlTypeName(SchemaUtil.normalizeIdentifier(sqlTypeName));
if (expectedType == null || !expectedType.isCoercibleTo(PTimestamp.INSTANCE)) {
throw TypeMismatchException.newException(expectedType, PTimestamp.INSTANCE);
}
Object typedValue = expectedType.toObject(value);
return new LiteralParseNode(typedValue);
}
@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
BigDecimal finalResult = BigDecimal.ZERO;
for (int i = 0; i < children.size(); i++) {
if (!children.get(i).evaluate(tuple, ptr)) {
return false;
}
if (ptr.getLength() == 0) {
return true;
}
BigDecimal value;
PDataType type = children.get(i).getDataType();
SortOrder sortOrder = children.get(i).getSortOrder();
if (type == PTimestamp.INSTANCE || type == PUnsignedTimestamp.INSTANCE) {
value = (BigDecimal) (PDecimal.INSTANCE.toObject(ptr, type, sortOrder));
} else if (type.isCoercibleTo(PDecimal.INSTANCE)) {
value =
(((BigDecimal) PDecimal.INSTANCE.toObject(ptr, sortOrder))
.multiply(QueryConstants.BD_MILLIS_IN_DAY))
.setScale(6, RoundingMode.HALF_UP);
} else if (type.isCoercibleTo(PDouble.INSTANCE)) {
value =
((BigDecimal.valueOf(type.getCodec().decodeDouble(ptr, sortOrder)))
.multiply(QueryConstants.BD_MILLIS_IN_DAY))
.setScale(6, RoundingMode.HALF_UP);
} else {
value = BigDecimal.valueOf(type.getCodec().decodeLong(ptr, sortOrder));
}
finalResult = finalResult.add(value);
}
Timestamp ts = DateUtil.getTimestamp(finalResult);
byte[] resultPtr = new byte[getDataType().getByteSize()];
PTimestamp.INSTANCE.toBytes(ts, resultPtr, 0);
ptr.set(resultPtr);
return true;
}
public static String toString(PDataType type, byte[] value) {
boolean isString = type.isCoercibleTo(PVarchar.INSTANCE);
return isString
? ("'" + type.toObject(value).toString() + "'")
: type.toObject(value).toString();
}
private void checkTypeMatch(PDataType expectedType, PDataType actualType) throws SQLException {
if (!expectedType.isCoercibleTo(actualType)) {
throw TypeMismatchException.newException(expectedType, actualType);
}
}
