CreateQuery test_alter_on_mutation (children 3)
 Identifier test_alter_on_mutation
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration date (children 1)
    DataType Date
   ColumnDeclaration key (children 1)
    DataType UInt64
   ColumnDeclaration value (children 1)
    DataType String
 Storage definition (children 3)
  Function ReplicatedMergeTree (children 1)
   ExpressionList (children 2)
    Literal \'/clickhouse/tables/{database}/test_01062/alter_on_mutation\'
    Literal \'1\'
  Identifier date
  Identifier key
