@Override
protected void doEvaluate(
TExecutionContext context, LazyList<? extends ValueSource> inputs, ValueTarget output) {
double value = inputs.get(0).getDouble();
if (value < 0) {
output.putNull();
} else {
output.putDouble(Math.sqrt(value));
}
}
@Override
protected void doEvaluate(
TExecutionContext context, LazyList<? extends ValueSource> inputs, ValueTarget output) {
String[] parts = {"", "", ""};
if (covering.length == 1) {
ColumnName columnName = ColumnName.parse("", inputs.get(0).getString());
parts[0] = columnName.getTableName().getSchemaName();
parts[1] = columnName.getTableName().getTableName();
parts[2] = columnName.getName();
} else {
for (int i = covering.length - 1, j = 2; i >= 0; --i, --j) {
parts[j] = inputs.get(i).getString();
}
}
if (parts[0].isEmpty()) {
parts[0] = context.getCurrentSchema();
}
AkibanInformationSchema ais = context.getQueryContext().getStore().schema().ais();
Columnar columnar = ais.getTable(parts[0], parts[1]);
if (columnar == null) {
columnar = ais.getView(parts[0], parts[1]);
if (columnar == null) {
throw new NoSuchTableException(parts[0], parts[1]);
}
}
Column column = columnar.getColumn(parts[2]);
if (column == null) {
throw new NoSuchColumnException(String.format("%s.%s.%s", parts[0], parts[1], parts[2]));
}
output.putString(column.getType().toStringConcise(false), null);
}
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;
}
/** @see #getIntegerValue */
public void setIntegerValue(ValueTarget target, long value) {
switch (TInstance.underlyingType(target.getType())) {
case INT_8:
target.putInt8((byte) value);
break;
case INT_16:
target.putInt16((short) value);
break;
case UINT_16:
target.putUInt16((char) value);
break;
case INT_32:
target.putInt32((int) value);
break;
case INT_64:
default:
target.putInt64(value);
}
}
@Override
public void fromObject(TExecutionContext context, ValueSource in, ValueTarget out) {
if (in.isNull()) out.putNull();
else if (!tryFromObject(context, in, out)) parser.parse(context, in, out);
}
