CreateQuery t_resampled_timeseries_15_sec (children 3)
 Identifier t_resampled_timeseries_15_sec
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration metric_id (children 1)
    DataType UInt64
   ColumnDeclaration grid_timestamp (children 2)
    DataType DateTime (children 1)
     ExpressionList (children 1)
      Literal \'UTC\'
    Function CODEC (children 1)
     ExpressionList (children 2)
      Function DoubleDelta
      Function ZSTD
   ColumnDeclaration samples (children 1)
    DataType AggregateFunction (children 1)
     ExpressionList (children 3)
      Identifier timeSeriesLastTwoSamples
      DataType DateTime64 (children 1)
       ExpressionList (children 2)
        Literal UInt64_3
        Literal \'UTC\'
      DataType Float64
 Storage definition (children 2)
  Function AggregatingMergeTree (children 1)
   ExpressionList
  Function tuple (children 1)
   ExpressionList (children 2)
    Identifier metric_id
    Identifier grid_timestamp
