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feat: add support for custom query/gRPC headers (#76)
* fix: make sure Authorization header is set * feat: add WithHeader query option * feat: add custom headers to query/gRPC request * fix: database header not needed in query header * fix: optimized query metadata preparation * fix: remove unused methods * refactor: flight.Client is an interface * docs: update CHANGELOG
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/* | ||
The MIT License | ||
Permission is hereby granted, free of charge, to any person obtaining a copy | ||
of this software and associated documentation files (the "Software"), to deal | ||
in the Software without restriction, including without limitation the rights | ||
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
copies of the Software, and to permit persons to whom the Software is | ||
furnished to do so, subject to the following conditions: | ||
The above copyright notice and this permission notice shall be included in | ||
all copies or substantial portions of the Software. | ||
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
THE SOFTWARE. | ||
*/ | ||
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package influxdb3 | ||
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import ( | ||
"context" | ||
"log" | ||
) | ||
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func ExampleClient_Query() { | ||
client, err := NewFromEnv() | ||
if err != nil { | ||
log.Fatal(err) | ||
} | ||
defer client.Close() | ||
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// query | ||
iterator, err := client.Query(context.Background(), | ||
"SELECT count(*) FROM weather WHERE time >= now() - interval '5 minutes'") | ||
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for iterator.Next() { | ||
// process the result | ||
} | ||
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// query with custom header | ||
iterator, err = client.Query(context.Background(), | ||
"SELECT count(*) FROM stat WHERE time >= now() - interval '5 minutes'", | ||
WithHeader("X-trace-ID", "#0122")) | ||
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for iterator.Next() { | ||
// process the result | ||
} | ||
} | ||
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func ExampleClient_QueryWithParameters() { | ||
client, err := NewFromEnv() | ||
if err != nil { | ||
log.Fatal(err) | ||
} | ||
defer client.Close() | ||
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// query | ||
iterator, err := client.QueryWithParameters(context.Background(), | ||
"SELECT count(*) FROM weather WHERE location = $location AND time >= now() - interval '5 minutes'", | ||
QueryParameters{ | ||
"location": "sun-valley-1", | ||
}) | ||
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for iterator.Next() { | ||
// process the result | ||
} | ||
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// query with custom header | ||
iterator, err = client.QueryWithParameters(context.Background(), | ||
"SELECT count(*) FROM weather WHERE location = $location AND time >= now() - interval '5 minutes'", | ||
QueryParameters{ | ||
"location": "sun-valley-1", | ||
}, | ||
WithHeader("X-trace-ID", "#0122")) | ||
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for iterator.Next() { | ||
// process the result | ||
} | ||
} |
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