CreateQuery tab_00718 (children 3)
 Identifier tab_00718
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration a (children 1)
    DataType String
   ColumnDeclaration b (children 1)
    DataType LowCardinality (children 1)
     ExpressionList (children 1)
      DataType UInt32
 Storage definition (children 2)
  Function MergeTree
  Identifier a