[BugFix] fix explain csv/json/avro exec can not see metrics bug #5018
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When we executing explain analyze select * from tablexxx, csv/json/avro exev metrics is empty.
This bug is introduced by not implementing metrics traits in csv/json/avro.
Signed-off-by: xyz [email protected]
Which issue does this PR close?
Closes #5014
Rationale for this change
Before
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After
What changes are included in this PR?
implementing metrics traits in csv/json/avro, add csv metrics unit test
Are these changes tested?
yes
Are there any user-facing changes?
User can see metrics in csv exec