CreateQuery 02863_delayed_source (children 3)
 Identifier 02863_delayed_source
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration a (children 1)
    DataType Int64
 Storage definition (children 2)
  Function ReplicatedMergeTree (children 1)
   ExpressionList (children 2)
    Literal \'/clickhouse/tables/{database}/02863_delayed_source/{replica}\'
    Literal \'r1\'
  Identifier a
