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5dbf36f356
* Issue search support elasticsearch * Fix lint * Add indexer name on app.ini * add a warnning on SearchIssuesByKeyword * improve code
56 lines
1.2 KiB
Markdown
56 lines
1.2 KiB
Markdown
# Changes from 6.0 to 7.0
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See [breaking changes](https://www.elastic.co/guide/en/elasticsearch/reference/7.x/breaking-changes-7.0.html).
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## SearchHit.Source changed from `*json.RawMessage` to `json.RawMessage`
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The `SearchHit` structure changed from
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```
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// SearchHit is a single hit.
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type SearchHit struct {
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...
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Source *json.RawMessage `json:"_source,omitempty"` // stored document source
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...
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}
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```
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to
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```
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// SearchHit is a single hit.
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type SearchHit struct {
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...
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Source json.RawMessage `json:"_source,omitempty"` // stored document source
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...
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}
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```
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As `json.RawMessage` is a `[]byte`, there is no need to specify it
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as `*json.RawMessage` as `json.RawMessage` is perfectly ok to represent
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a `nil` value.
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So when deserializing the search hits, you need to change your code from:
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```
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for _, hit := range searchResult.Hits.Hits {
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var doc Doc
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err := json.Unmarshal(*hit.Source, &doc) // notice the * here
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if err != nil {
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// Deserialization failed
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}
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}
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```
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to
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```
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for _, hit := range searchResult.Hits.Hits {
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var doc Doc
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err := json.Unmarshal(hit.Source, &doc) // it's missing here
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if err != nil {
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// Deserialization failed
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}
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}
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```
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