CreateQuery video_views (children 3)
 Identifier video_views
 Columns definition (children 1)
  ExpressionList (children 22)
   ColumnDeclaration entityIri (children 1)
    DataType String
   ColumnDeclaration courseId (children 1)
    DataType UInt64
   ColumnDeclaration learnerId (children 1)
    DataType UInt64
   ColumnDeclaration actorId (children 1)
    DataType UInt64
   ColumnDeclaration duration (children 1)
    DataType UInt16
   ColumnDeclaration fullWatched (children 1)
    DataType UInt8
   ColumnDeclaration fullWatchedDate (children 1)
    DataType DateTime
   ColumnDeclaration fullWatchedDuration (children 1)
    DataType UInt16
   ColumnDeclaration fullWatchedTime (children 1)
    DataType UInt16
   ColumnDeclaration fullWatchedViews (children 1)
    DataType UInt16
   ColumnDeclaration views.viewId (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType String
   ColumnDeclaration views.startedAt (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType DateTime
   ColumnDeclaration views.endedAt (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType DateTime
   ColumnDeclaration views.viewDuration (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt16
   ColumnDeclaration views.watchedPart (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType Float32
   ColumnDeclaration views.fullWatched (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt8
   ColumnDeclaration views.progress (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType Float32
   ColumnDeclaration views.reject (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt8
   ColumnDeclaration views.viewNumber (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt16
   ColumnDeclaration views.repeatingView (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt8
   ColumnDeclaration views.ranges (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType String
   ColumnDeclaration version (children 1)
    DataType DateTime
 Storage definition (children 4)
  Function ReplacingMergeTree (children 1)
   ExpressionList (children 1)
    Identifier version
  Identifier entityIri
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier learnerId
    Identifier entityIri
  Set
