String name = result.outputNames.get(k++); // get the renamed column names
if (name == EMPTY_STRING) {
continue;
}
final LogicalExpression expr = ExpressionTreeMaterializer.materialize(originalPath, incoming, collector, context.getFunctionRegistry() );
if (collector.hasErrors()) {
throw new SchemaChangeException(String.format("Failure while trying to materialize incoming schema. Errors:\n %s.", collector.toErrorString()));
}
MaterializedField outputField = MaterializedField.create(name, expr.getMajorType());
ValueVector vv = container.addOrGet(outputField);
allocationVectors.add(vv);
TypedFieldId fid = container.getValueVectorId(outputField.getPath());
ValueVectorWriteExpression write = new ValueVectorWriteExpression(fid, expr, true);
HoldingContainer hc = cg.addExpr(write);
cg.getEvalBlock()._if(hc.getValue().eq(JExpr.lit(0)))._then()._return(JExpr.FALSE);
}
}
continue;
}
}
String outputName = getRef(namedExpression).getRootSegment().getPath();
if (result != null && result.outputNames != null && result.outputNames.size() > 0) {
for (int j = 0; j < result.outputNames.size(); j++) {
if (!result.outputNames.get(j).equals(EMPTY_STRING)) {
outputName = result.outputNames.get(j);
break;
}
}
}
final LogicalExpression expr = ExpressionTreeMaterializer.materialize(namedExpression.getExpr(), incoming, collector, context.getFunctionRegistry(), true);
final MaterializedField outputField = MaterializedField.create(outputName, expr.getMajorType());
if (collector.hasErrors()) {
throw new SchemaChangeException(String.format("Failure while trying to materialize incoming schema. Errors:\n %s.", collector.toErrorString()));
}
// add value vector to transfer if direct reference and this is allowed, otherwise, add to evaluation stack.