CreateQuery customer (children 3)
 Identifier customer
 Columns definition (children 2)
  ExpressionList (children 8)
   ColumnDeclaration c_custkey (children 1)
    DataType Int32
   ColumnDeclaration c_name (children 1)
    DataType String
   ColumnDeclaration c_address (children 1)
    DataType String
   ColumnDeclaration c_nationkey (children 1)
    DataType Int32
   ColumnDeclaration c_phone (children 1)
    DataType FixedString (children 1)
     ExpressionList (children 1)
      Literal UInt64_15
   ColumnDeclaration c_acctbal (children 1)
    DataType Decimal (children 1)
     ExpressionList (children 2)
      Literal UInt64_18
      Literal UInt64_2
   ColumnDeclaration c_mktsegment (children 1)
    DataType FixedString (children 1)
     ExpressionList (children 1)
      Literal UInt64_10
   ColumnDeclaration c_comment (children 1)
    DataType String
  ExpressionList (children 1)
   Constraint (children 1)
    Function greaterOrEquals (children 1)
     ExpressionList (children 2)
      Identifier c_custkey
      Literal UInt64_0
 Storage definition (children 2)
  Function MergeTree
  Identifier c_custkey