@Override
protected RelationPlan visitTable(Table node, Void context)
{
Query namedQuery = analysis.getNamedQuery(node);
Scope scope = analysis.getScope(node);
if (namedQuery != null) {
RelationPlan subPlan = process(namedQuery, null);
Type[] types = scope.getRelationType().getAllFields().stream().map(Field::getType).toArray(Type[]::new);
RelationPlan withCoercions = addCoercions(subPlan, types);
return new RelationPlan(withCoercions.getRoot(), scope, withCoercions.getFieldMappings());
}
TableHandle handle = analysis.getTableHandle(node);
ImmutableList.Builder<Symbol> outputSymbolsBuilder = ImmutableList.builder();
ImmutableMap.Builder<Symbol, ColumnHandle> columns = ImmutableMap.builder();
for (Field field : scope.getRelationType().getAllFields()) {
Symbol symbol = symbolAllocator.newSymbol(field.getName().get(), field.getType());
outputSymbolsBuilder.add(symbol);
columns.put(symbol, analysis.getColumn(field));
}
List<Symbol> outputSymbols = outputSymbolsBuilder.build();
PlanNode root = new TableScanNode(idAllocator.getNextId(), handle, outputSymbols, columns.build());
return new RelationPlan(root, scope, outputSymbols);
}