Examples with Expression org.apache.phoenix.expression.Expression used on opensource projects

Example 91 with Expression

use of org.apache.phoenix.expression.Expression in project phoenix by apache.

the class RoundDecimalExpression method evaluate.

@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
    Expression childExpr = children.get(0);
    if (childExpr.evaluate(tuple, ptr)) {
        BigDecimal value = (BigDecimal) PDecimal.INSTANCE.toObject(ptr, childExpr.getDataType(), childExpr.getSortOrder());
        BigDecimal scaledValue = value.setScale(scale, getRoundingMode());
        ptr.set(PDecimal.INSTANCE.toBytes(scaledValue));
        return true;
    }
    return false;
}

Example 92 with Expression

use of org.apache.phoenix.expression.Expression in project phoenix by apache.

the class TestUtil method in.

public static Expression in(Expression e, Object... literals) throws SQLException {
    PDataType childType = e.getDataType();
    List<Expression> expressions = new ArrayList<Expression>(literals.length + 1);
    expressions.add(e);
    for (Object o : literals) {
        expressions.add(LiteralExpression.newConstant(o, childType));
    }
    return InListExpression.create(expressions, false, new ImmutableBytesWritable(), true);
}

Example 93 with Expression

use of org.apache.phoenix.expression.Expression in project phoenix by apache.

the class SecondFunction method evaluate.

@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
    Expression expression = getChildExpression();
    if (!expression.evaluate(tuple, ptr)) {
        return false;
    }
    if (ptr.getLength() == 0) {
        //means null
        return true;
    }
    long dateTime = inputCodec.decodeLong(ptr, expression.getSortOrder());
    int sec = (int) ((dateTime / 1000) % 60);
    PDataType returnType = getDataType();
    byte[] byteValue = new byte[returnType.getByteSize()];
    returnType.getCodec().encodeInt(sec, byteValue, 0);
    ptr.set(byteValue);
    return true;
}

Example 94 with Expression

use of org.apache.phoenix.expression.Expression in project phoenix by apache.

the class SetByteFunction method evaluate.

@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
    // get offset parameter
    Expression offsetExpr = children.get(1);
    if (!offsetExpr.evaluate(tuple, ptr))
        return false;
    int offset = (Integer) PInteger.INSTANCE.toObject(ptr, offsetExpr.getSortOrder());
    // get newValue parameter
    Expression newValueExpr = children.get(2);
    if (!newValueExpr.evaluate(tuple, ptr))
        return false;
    int newValue = (Integer) PInteger.INSTANCE.toObject(ptr, newValueExpr.getSortOrder());
    byte newByteValue = (byte) (newValue & 0xff);
    // get binary data parameter
    Expression dataExpr = children.get(0);
    if (!dataExpr.evaluate(tuple, ptr))
        return false;
    if (ptr.getLength() == 0)
        return true;
    int len = ptr.getLength();
    offset = (offset % len + len) % len;
    // set result
    ((PBinaryBase) dataExpr.getDataType()).setByte(ptr, dataExpr.getSortOrder(), offset, newByteValue, ptr);
    return true;
}

Example 95 with Expression

use of org.apache.phoenix.expression.Expression in project phoenix by apache.

the class SQLTableTypeFunction method evaluate.

@Override
public boolean evaluate(Tuple tuple, ImmutableBytesWritable ptr) {
    Expression child = children.get(0);
    if (!child.evaluate(tuple, ptr)) {
        return false;
    }
    if (ptr.getLength() == 0) {
        return true;
    }
    PTableType tableType = PTableType.fromSerializedValue(ptr.get()[ptr.getOffset()]);
    ptr.set(tableType.getValue().getBytes());
    return true;
}