CreateQuery test (children 3)
 Identifier test
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration a (children 1)
    DataType UInt64
   ColumnDeclaration b (children 1)
    DataType UInt64
   ColumnDeclaration Block_Height (children 1)
    DataType UInt64
   ColumnDeclaration Block_Date (children 1)
    DataType Date
 Storage definition (children 1)
  Function Log
