Examples with BLOCK_POSITION io.trino.spi.function.InvocationConvention.InvocationArgumentConvention.BLOCK_POSITION used on opensource projects

Example 6 with BLOCK_POSITION

use of io.trino.spi.function.InvocationConvention.InvocationArgumentConvention.BLOCK_POSITION in project trino by trinodb.

the class RowType method getIndeterminateOperatorInvokers.

private static List<OperatorMethodHandle> getIndeterminateOperatorInvokers(TypeOperators typeOperators, List<Field> fields) {
    boolean comparable = fields.stream().allMatch(field -> field.getType().isComparable());
    if (!comparable) {
        return emptyList();
    }
    // for large rows, use a generic loop with a megamorphic call site
    if (fields.size() > MEGAMORPHIC_FIELD_COUNT) {
        List<MethodHandle> indeterminateOperators = fields.stream().map(field -> typeOperators.getIndeterminateOperator(field.getType(), simpleConvention(FAIL_ON_NULL, BLOCK_POSITION))).collect(toUnmodifiableList());
        return singletonList(new OperatorMethodHandle(INDETERMINATE_CONVENTION, INDETERMINATE.bindTo(indeterminateOperators)));
    }
    // (Block):long
    MethodHandle indeterminate = dropArguments(constant(boolean.class, false), 0, Block.class);
    for (int fieldId = 0; fieldId < fields.size(); fieldId++) {
        Field field = fields.get(fieldId);
        // (Block, int, MethodHandle, Block):boolean
        indeterminate = collectArguments(CHAIN_INDETERMINATE, 0, indeterminate);
        // field indeterminate
        MethodHandle fieldIndeterminateOperator = typeOperators.getIndeterminateOperator(field.getType(), simpleConvention(FAIL_ON_NULL, BLOCK_POSITION));
        // (Block, Block):boolean
        indeterminate = insertArguments(indeterminate, 1, fieldId, fieldIndeterminateOperator);
        // (Block):boolean
        indeterminate = permuteArguments(indeterminate, methodType(boolean.class, Block.class), 0, 0);
    }
    return singletonList(new OperatorMethodHandle(INDETERMINATE_CONVENTION, indeterminate));
}