CreateQuery test_table (children 3)
 Identifier test_table
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration key (children 1)
    DataType UInt32
   ColumnDeclaration _part_offset (children 1)
    Literal UInt64_0
 Storage definition (children 2)
  Function MergeTree
  Identifier key
