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Support int64 data types #2261

Merged
merged 1 commit into from
Apr 13, 2015
Merged

Support int64 data types #2261

merged 1 commit into from
Apr 13, 2015

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otoolep
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@otoolep otoolep commented Apr 13, 2015

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@otoolep
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otoolep commented Apr 13, 2015

@benbjohnson

case int:
return Number
return Float
case int64, int32, int:
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Not sure if this is really necessary.

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I might just need int64.

@dgnorton
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Can you add an integration test that writes & reads ints?

I tested this change on an ARM 32 bit system and it seems to work. The output is interesting once we it gets above math.MaxInt32 though. See the values in the middle... https://gist.github.com/dgnorton/e734dc02cafc80241ae6. It's not a CLI formatting thing. That's also the way the values look in the JSON if I use curl. Haven't tried this test on 64 bit yet.

@otoolep
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otoolep commented Apr 13, 2015

Thanks @dgnorton -- I'll add some more tests. The formatting issue you pointed out, yeah, I've seen that before. I am assuming it's due to the use of float64. It's nothing to do with this change.

@@ -976,6 +976,39 @@ func TestServer_StartRetentionPolicyEnforcement_ErrZeroInterval(t *testing.T) {
}
}

// Ensure the server respects limit and offset in show series queries
func TestServer_WriteAllDataTypes(t *testing.T) {
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Must add test to server.go since it's the only way to control the types.

@otoolep
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otoolep commented Apr 13, 2015

Updated with unit test. +1 @dgnorton ?

@dgnorton
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Why can it only be tested through server.go? Users read & write int64 values through the usual API.

@otoolep
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otoolep commented Apr 13, 2015

If by "usual API" you mean they write through the JSON API, Go's JSON unmarshalling casts all numbers to float64.

http://golang.org/pkg/encoding/json/#Unmarshal

There is no way to get integer values into the system through the JSON API. It'll need an API change, or perhaps some code on our side.

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I think we used to do it using UseNumber() maybe? Not sure, have to go back and look at v0.8 code.

@otoolep
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otoolep commented Apr 13, 2015

You could be right @dgnorton -- but I think that is orthogonal to this change. Regardless of how integers get into the system, we need to have support for encoding them. This is what this change does.

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lgtm :shipit:

otoolep added a commit that referenced this pull request Apr 13, 2015
@otoolep otoolep merged commit 4e28c3a into master Apr 13, 2015
@otoolep otoolep deleted the support_64_int branch April 13, 2015 18:49
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2 participants