CreateQuery da_memory_efficient_shard (children 3)
 Identifier da_memory_efficient_shard
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration A (children 1)
    DataType Int64
   ColumnDeclaration B (children 1)
    DataType Int64
 Storage definition (children 3)
  Function MergeTree
  Function modulo (children 1)
   ExpressionList (children 2)
    Identifier B
    Literal UInt64_2
  Identifier A
