private PartitionSpec processPartitionSpec(ASTNode node) {
    PartitionSpec pSpec = new PartitionSpec();
    for(Node child : node.getChildren()) {
      PartitionExpression exprSpec = new PartitionExpression();
      exprSpec.setExpression((ASTNode) child);
      pSpec.addExpression(exprSpec);
    }
    return pSpec;
  }
It will check if this is analyze ... compute statistics noscan
@param tree
ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java