CreateQuery test_table_nullable_signed_values (children 3)
 Identifier test_table_nullable_signed_values
 Columns definition (children 1)
  ExpressionList (children 6)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration value1 (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType Int8
   ColumnDeclaration value2 (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType Int16
   ColumnDeclaration value3 (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType Int32
   ColumnDeclaration value4 (children 1)
    DataType Nullable (children 1)
     ExpressionList (children 1)
      DataType Int64
   ColumnDeclaration weight (children 1)
    DataType UInt64
 Storage definition (children 1)
  Function TinyLog
