CreateQuery t_json_merge (children 3)
 Identifier t_json_merge
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration s1 (children 1)
    DataType String
   ColumnDeclaration s2 (children 1)
    DataType String
 Storage definition (children 1)
  Function Memory
