Examples with ScalarFunctionCallExpression org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression used on opensource projects

Example 71 with ScalarFunctionCallExpression

use of org.apache.hyracks.algebricks.core.algebra.expressions.ScalarFunctionCallExpression in project asterixdb by apache.

the class ByNameToByIndexFieldAccessRule method createFieldAccessByIndex.

@SuppressWarnings("unchecked")
private static ILogicalExpression createFieldAccessByIndex(ARecordType recType, AbstractFunctionCallExpression fce) {
    String s = ConstantExpressionUtil.getStringArgument(fce, 1);
    if (s == null) {
        return null;
    }
    int k = recType.getFieldIndex(s);
    if (k < 0) {
        return null;
    }
    return new ScalarFunctionCallExpression(FunctionUtil.getFunctionInfo(BuiltinFunctions.FIELD_ACCESS_BY_INDEX), fce.getArguments().get(0), new MutableObject<>(new ConstantExpression(new AsterixConstantValue(new AInt32(k)))));
}