influxdb/tsdb/engine/tsm1/cursor_iterator.gen.go.tmpl

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1013 B
Cheetah

package tsm1
import (
"context"
"github.com/influxdata/influxdb/models"
"github.com/influxdata/influxdb/query"
"github.com/influxdata/influxdb/tsdb"
)
{{range .}}
// build{{.Name}}BatchCursor creates a batch cursor for a {{.name}} field.
func (q *cursorIterator) build{{.Name}}BatchCursor(ctx context.Context, name []byte, tags models.Tags, field string, opt query.IteratorOptions) tsdb.{{.Name}}BatchCursor {
key := q.seriesFieldKeyBytes(name, tags, field)
cacheValues := q.e.Cache.Values(key)
keyCursor := q.e.KeyCursor(ctx, key, opt.SeekTime(), opt.Ascending)
if opt.Ascending {
if q.asc.{{.Name}} == nil {
q.asc.{{.Name}} = new{{.Name}}AscendingBatchCursor()
}
q.asc.{{.Name}}.reset(opt.SeekTime(), opt.StopTime(), cacheValues, keyCursor)
return q.asc.{{.Name}}
} else {
if q.desc.{{.Name}} == nil {
q.desc.{{.Name}} = new{{.Name}}DescendingBatchCursor()
}
q.desc.{{.Name}}.reset(opt.SeekTime(), opt.StopTime(), cacheValues, keyCursor)
return q.desc.{{.Name}}
}
}
{{end}}