// 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);
}
