index="_internal" | table wallclock_ms_total,method,status
in the above case null value is coming remove the rows
in this case first write your query then use isnotnull function.
index="_internal" | table wallclock_ms_total,method,status | where isnotnull(wallclock_ms_total)
in this case first write your query then use isnotnull function.
index="_internal" | table wallclock_ms_total,method,status | where isnotnull(wallclock_ms_total)