Examples of com.salesforce.phoenix.compile.KeyPart

com.salesforce.phoenix.compile.KeyPart
Interface that determines how a key part contributes to the forming of the key (start/stop of scan and SkipScanFilter) for each part of a multi-part primary key. It acts as the glue between a built-in function and the setting of the scan key during query compilation. @author jtaylor @since 0.12

        return 0;
    }


    @Override
    public KeyPart newKeyPart(final KeyPart childPart) {
        return new KeyPart() {
            @Override
            public KeyRange getKeyRange(CompareOp op, Expression rhs) {
                ImmutableBytesWritable ptr = new ImmutableBytesWritable();
                rhs.evaluate(null, ptr);
                byte[] key = ByteUtil.copyKeyBytesIfNecessary(ptr);

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     * Form the key range from the key to the key right before or at the
     * next rounded value.
     */
    @Override
    public KeyPart newKeyPart(final KeyPart childPart) {
        return new KeyPart() {
            private final List<Expression> extractNodes = Collections.<Expression>singletonList(RoundDateExpression.this);


            @Override
            public PColumn getColumn() {
                return childPart.getColumn();

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    /**
     * Invert the childPart key range
     */
    @Override
    public KeyPart newKeyPart(final KeyPart childPart) {
        return new KeyPart() {


            @Override
            public KeyRange getKeyRange(CompareOp op, Expression rhs) {
                KeyRange range = childPart.getKeyRange(op, rhs);
                return range.invert();

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        return key;
    }
    
    @Override
    public KeyPart newKeyPart(final KeyPart childPart) {
        return new KeyPart() {
            private final List<Expression> extractNodes = extractNode() ? Collections.<Expression>singletonList(PrefixFunction.this) : Collections.<Expression>emptyList();


            @Override
            public PColumn getColumn() {
                return childPart.getColumn();

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Related Classes of com.salesforce.phoenix.compile.KeyPart

com.salesforce.phoenix.expression.function.InvertFunction

com.salesforce.phoenix.expression.function.PrefixFunction

com.salesforce.phoenix.expression.function.RoundDateExpression

com.salesforce.phoenix.expression.function.RTrimFunction

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