CreateQuery 01802_empsalary (children 3)
 Identifier 01802_empsalary
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration depname (children 1)
    DataType LowCardinality (children 1)
     ExpressionList (children 1)
      DataType String
   ColumnDeclaration empno (children 1)
    DataType UInt64
   ColumnDeclaration salary (children 1)
    DataType Int32
   ColumnDeclaration enroll_date (children 1)
    DataType Date
 Storage definition (children 3)
  Function MergeTree
  Identifier enroll_date
  Set
