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Introduce TSDB service (#31520)

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* Introduce TSDB service

Signed-off-by: Arve Knudsen <arve.knudsen@gmail.com>

Co-authored-by: Erik Sundell <erik.sundell87@gmail.com>
Co-authored-by: Will Browne <will.browne@grafana.com>
Co-authored-by: Torkel Ödegaard <torkel@grafana.org>
Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>
Co-authored-by: Zoltán Bedi <zoltan.bedi@gmail.com>
This commit is contained in:
Arve Knudsen
2021-03-08 07:02:49 +01:00
committed by GitHub
parent c899bf3592
commit b79e61656a
203 changed files with 5270 additions and 4777 deletions
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16
pkg/tsdb/postgres/macros.go
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@ -7,7 +7,7 @@ import (
"time"
"github.com/grafana/grafana/pkg/components/gtime"
"github.com/grafana/grafana/pkg/tsdb"
"github.com/grafana/grafana/pkg/plugins"
"github.com/grafana/grafana/pkg/tsdb/sqleng"
)
@ -15,22 +15,24 @@ const rsIdentifier = `([_a-zA-Z0-9]+)`
const sExpr = `\$` + rsIdentifier + `\(([^\)]*)\)`
type postgresMacroEngine struct {
*sqleng.SqlMacroEngineBase
timeRange *tsdb.TimeRange
query *tsdb.Query
*sqleng.SQLMacroEngineBase
timeRange plugins.DataTimeRange
query plugins.DataSubQuery
timescaledb bool
}
func newPostgresMacroEngine(timescaledb bool) sqleng.SqlMacroEngine {
func newPostgresMacroEngine(timescaledb bool) sqleng.SQLMacroEngine {
return &postgresMacroEngine{
SqlMacroEngineBase: sqleng.NewSqlMacroEngineBase(),
SQLMacroEngineBase: sqleng.NewSQLMacroEngineBase(),
timescaledb: timescaledb,
}
}
func (m *postgresMacroEngine) Interpolate(query *tsdb.Query, timeRange *tsdb.TimeRange, sql string) (string, error) {
func (m *postgresMacroEngine) Interpolate(query plugins.DataSubQuery, timeRange plugins.DataTimeRange,
sql string) (string, error) {
m.timeRange = timeRange
m.query = query
// TODO: Handle error
rExp, _ := regexp.Compile(sExpr)
var macroError error