protected void initialize(PartitionedTableFunctionDef def) throws HiveException {
ShapeDetails inpShape = def.getInput().getOutputShape();
/*
* 1. initialize args
*/
if (def.getArgs() != null) {
for (PTFExpressionDef arg : def.getArgs()) {
initialize(arg, inpShape);
}
}
/*
* 2. setup resolve, make connections
*/
TableFunctionEvaluator tEval = def.getTFunction();
// TableFunctionResolver tResolver = FunctionRegistry.getTableFunctionResolver(def.getName());
TableFunctionResolver tResolver = constructResolver(def.getResolverClassName());
tResolver.initialize(ptfDesc, def, tEval);
/*
* 3. give Evaluator chance to setup for RawInput execution; setup RawInput shape
*/
if (tEval.isTransformsRawInput()) {
tResolver.initializeRawInputOI();
initialize(def.getRawInputShape(), tEval.getRawInputOI());
} else {
def.setRawInputShape(inpShape);
}
inpShape = def.getRawInputShape();
/*
* 4. give Evaluator chance to setup for Output execution; setup Output shape.
*/
tResolver.initializeOutputOI();
initialize(def.getOutputShape(), tEval.getOutputOI());
}
