CreateQuery t3 (children 3)
 Identifier t3
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration key (children 1)
    DataType UInt64
   ColumnDeclaration metrics1 (children 1)
    DataType UInt64
   ColumnDeclaration metrics2 (children 1)
    DataType UInt64
 Storage definition (children 2)
  Function ReplicatedSummingMergeTree (children 1)
   ExpressionList (children 3)
    Literal \'/tables/{database}/t3/\'
    Literal \'r1\'
    Identifier metrics1
  Identifier key
