CreateQuery opentelemetry_span_log_compact (children 3)
 Identifier opentelemetry_span_log_compact
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration attribute.names (children 2)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType LowCardinality (children 1)
       ExpressionList (children 1)
        DataType String
    Function mapKeys (children 1)
     ExpressionList (children 1)
      Identifier attribute
   ColumnDeclaration attribute.values (children 2)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType String
    Function mapValues (children 1)
     ExpressionList (children 1)
      Identifier attribute
   ColumnDeclaration attribute (children 1)
    DataType Map (children 1)
     ExpressionList (children 2)
      DataType LowCardinality (children 1)
       ExpressionList (children 1)
        DataType String
      DataType String
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList
