CreateQuery codecTest (children 3)
 Identifier codecTest
 Columns definition (children 1)
  ExpressionList (children 6)
   ColumnDeclaration key (children 1)
    DataType UInt64
   ColumnDeclaration name (children 1)
    DataType String
   ColumnDeclaration ref_valueF64 (children 1)
    DataType Float64
   ColumnDeclaration ref_valueF32 (children 1)
    DataType Float32
   ColumnDeclaration valueF64 (children 2)
    DataType Float64
    Function CODEC (children 1)
     ExpressionList (children 1)
      Function FPC
   ColumnDeclaration valueF32 (children 2)
    DataType Float32
    Function CODEC (children 1)
     ExpressionList (children 1)
      Function FPC
 Storage definition (children 2)
  Function MergeTree
  Identifier key