62 lines
2.0 KiB
Go
62 lines
2.0 KiB
Go
package influx
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import (
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"context"
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"fmt"
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"net/url"
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)
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// terminal unique
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func (client *influxClient) getLast(ctx context.Context, req *Request, limit int) ([]*TV, error) {
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q := fmt.Sprintf("select last(%s) as %s from %s where station='%s' and device='%s';",
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req.Field, req.Field, req.Measure, req.Station, req.Device)
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if limit > 1 {
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q = fmt.Sprintf("select %s from %s where station='%s' and device='%s' order by time desc limit %d;",
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req.Field, req.Measure, req.Station, req.Device, limit)
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}
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reqData := url.Values{
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"db": {req.Database},
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"q": {q},
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}
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return client.getRespData(ctx, reqData, req.RespType)
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}
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func (client *influxClient) getPointData(ctx context.Context, req *Request) ([]*TV, error) {
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sql := fmt.Sprintf("select %s from %s where station='%s' and device='%s' and time>=%dms and time<%dms;",
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req.Field, req.Measure, req.Station, req.Device, req.Begin, req.End)
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if req.Operate != "" && req.Step != "" && req.Default != "" {
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sql = fmt.Sprintf("select %s(%s) as %s from %s where station='%s' and device='%s' and time>=%dms and time<%dms group by time(%s) fill(%s);",
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req.Operate, req.Field, req.Field, req.Measure, req.Station, req.Device, req.Begin, req.End, req.Step, req.Default)
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}
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reqData := url.Values{
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"db": {req.Database},
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"q": {sql},
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}
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return client.getRespData(ctx, reqData, req.RespType)
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}
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func (client *influxClient) getAfterOne(ctx context.Context, req *Request) ([]*TV, error) {
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reqData := url.Values{
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"db": {req.Database},
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"q": {fmt.Sprintf("select %s from %s where station='%s' and device='%s' and time>=%dms limit 1;",
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req.Field, req.Measure, req.Station, req.Device, req.Begin)},
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}
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return client.getRespData(ctx, reqData, req.RespType)
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}
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func (client *influxClient) getBeforeOne(ctx context.Context, req *Request) ([]*TV, error) {
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reqData := url.Values{
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"db": {req.Database},
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"q": {fmt.Sprintf("select %s from %s where station='%s' and device='%s' and time<=%dms limit 1;",
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req.Field, req.Measure, req.Station, req.Device, req.End)},
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}
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return client.getRespData(ctx, reqData, req.RespType)
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}
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