295 lines
7.4 KiB
Go
295 lines
7.4 KiB
Go
/*
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Package import_ provides the import sub command initial imports.
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*/
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package import_
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import (
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"os"
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"github.com/omniscale/imposm3/cache"
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"github.com/omniscale/imposm3/config"
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"github.com/omniscale/imposm3/database"
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_ "github.com/omniscale/imposm3/database/postgis"
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"github.com/omniscale/imposm3/geom/limit"
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"github.com/omniscale/imposm3/logging"
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"github.com/omniscale/imposm3/mapping"
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"github.com/omniscale/imposm3/reader"
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"github.com/omniscale/imposm3/stats"
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"github.com/omniscale/imposm3/update/state"
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"github.com/omniscale/imposm3/writer"
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)
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var log = logging.NewLogger("")
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func Import() {
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if config.BaseOptions.Quiet {
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logging.SetQuiet(true)
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}
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if (config.ImportOptions.Write || config.ImportOptions.Read != "") && (config.ImportOptions.RevertDeploy || config.ImportOptions.RemoveBackup) {
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log.Fatal("-revertdeploy and -removebackup not compatible with -read/-write")
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}
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if config.ImportOptions.RevertDeploy && (config.ImportOptions.RemoveBackup || config.ImportOptions.DeployProduction) {
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log.Fatal("-revertdeploy not compatible with -deployproduction/-removebackup")
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}
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var geometryLimiter *limit.Limiter
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if (config.ImportOptions.Write || config.ImportOptions.Read != "") && config.BaseOptions.LimitTo != "" {
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var err error
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step := log.StartStep("Reading limitto geometries")
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geometryLimiter, err = limit.NewFromGeoJSON(
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config.BaseOptions.LimitTo,
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config.BaseOptions.LimitToCacheBuffer,
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config.BaseOptions.Srid,
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)
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if err != nil {
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log.Fatal(err)
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}
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log.StopStep(step)
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}
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tagmapping, err := mapping.NewMapping(config.BaseOptions.MappingFile)
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if err != nil {
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log.Fatal("mapping file: ", err)
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}
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var db database.DB
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if config.ImportOptions.Write || config.ImportOptions.DeployProduction || config.ImportOptions.RevertDeploy || config.ImportOptions.RemoveBackup || config.ImportOptions.Optimize {
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if config.BaseOptions.Connection == "" {
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log.Fatal("missing connection option")
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}
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conf := database.Config{
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ConnectionParams: config.BaseOptions.Connection,
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Srid: config.BaseOptions.Srid,
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ImportSchema: config.BaseOptions.Schemas.Import,
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ProductionSchema: config.BaseOptions.Schemas.Production,
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BackupSchema: config.BaseOptions.Schemas.Backup,
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}
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db, err = database.Open(conf, tagmapping)
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if err != nil {
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log.Fatal(err)
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}
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defer db.Close()
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}
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osmCache := cache.NewOSMCache(config.BaseOptions.CacheDir)
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if config.ImportOptions.Read != "" && osmCache.Exists() {
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if config.ImportOptions.Overwritecache {
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log.Printf("removing existing cache %s", config.BaseOptions.CacheDir)
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err := osmCache.Remove()
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if err != nil {
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log.Fatal("unable to remove cache:", err)
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}
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} else if !config.ImportOptions.Appendcache {
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log.Fatal("cache already exists use -appendcache or -overwritecache")
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}
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}
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step := log.StartStep("Imposm")
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var elementCounts *stats.ElementCounts
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if config.ImportOptions.Read != "" {
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step := log.StartStep("Reading OSM data")
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err = osmCache.Open()
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if err != nil {
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log.Fatal(err)
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}
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progress := stats.NewStatsReporter()
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if !config.ImportOptions.Appendcache {
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// enable optimization if we don't append to existing cache
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osmCache.Coords.SetLinearImport(true)
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}
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readLimiter := geometryLimiter
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if config.BaseOptions.LimitToCacheBuffer == 0.0 {
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readLimiter = nil
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}
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err := reader.ReadPbf(config.ImportOptions.Read,
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osmCache,
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progress,
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tagmapping,
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readLimiter,
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)
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if err != nil {
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log.Fatal(err)
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}
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osmCache.Coords.SetLinearImport(false)
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elementCounts = progress.Stop()
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osmCache.Close()
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log.StopStep(step)
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if config.ImportOptions.Diff {
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diffstate, err := state.FromPbf(config.ImportOptions.Read, config.ImportOptions.DiffStateBefore)
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if err != nil {
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log.Print("error parsing diff state form PBF", err)
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} else if diffstate != nil {
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os.MkdirAll(config.BaseOptions.DiffDir, 0755)
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err := state.WriteLastState(config.BaseOptions.DiffDir, diffstate)
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if err != nil {
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log.Print("error writing last.state.txt: ", err)
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}
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}
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}
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}
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if config.ImportOptions.Write {
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stepImport := log.StartStep("Importing OSM data")
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stepWrite := log.StartStep("Writing OSM data")
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progress := stats.NewStatsReporterWithEstimate(elementCounts)
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err = db.Init()
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if err != nil {
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log.Fatal(err)
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}
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bulkDb, ok := db.(database.BulkBeginner)
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if ok {
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err = bulkDb.BeginBulk()
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} else {
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err = db.Begin()
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}
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if err != nil {
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log.Fatal(err)
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}
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var diffCache *cache.DiffCache
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if config.ImportOptions.Diff {
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diffCache = cache.NewDiffCache(config.BaseOptions.CacheDir)
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if err = diffCache.Remove(); err != nil {
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log.Fatal(err)
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}
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if err = diffCache.Open(); err != nil {
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log.Fatal(err)
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}
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}
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err = osmCache.Open()
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if err != nil {
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log.Fatal(err)
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}
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if diffCache != nil {
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diffCache.Coords.SetLinearImport(true)
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diffCache.Ways.SetLinearImport(true)
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}
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osmCache.Coords.SetReadOnly(true)
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relations := osmCache.Relations.Iter()
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relWriter := writer.NewRelationWriter(osmCache, diffCache,
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tagmapping.SingleIdSpace,
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relations,
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db, progress,
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tagmapping.PolygonMatcher(),
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tagmapping.RelationMatcher(),
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tagmapping.RelationMemberMatcher(),
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config.BaseOptions.Srid)
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relWriter.SetLimiter(geometryLimiter)
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relWriter.EnableConcurrent()
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relWriter.Start()
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relWriter.Wait() // blocks till the Relations.Iter() finishes
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osmCache.Relations.Close()
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ways := osmCache.Ways.Iter()
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wayWriter := writer.NewWayWriter(osmCache, diffCache,
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tagmapping.SingleIdSpace,
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ways, db,
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progress,
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tagmapping.PolygonMatcher(), tagmapping.LineStringMatcher(),
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config.BaseOptions.Srid)
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wayWriter.SetLimiter(geometryLimiter)
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wayWriter.EnableConcurrent()
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wayWriter.Start()
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wayWriter.Wait() // blocks till the Ways.Iter() finishes
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osmCache.Ways.Close()
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nodes := osmCache.Nodes.Iter()
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nodeWriter := writer.NewNodeWriter(osmCache, nodes, db,
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progress,
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tagmapping.PointMatcher(),
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config.BaseOptions.Srid)
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nodeWriter.SetLimiter(geometryLimiter)
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nodeWriter.EnableConcurrent()
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nodeWriter.Start()
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nodeWriter.Wait() // blocks till the Nodes.Iter() finishes
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osmCache.Close()
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err = db.End()
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if err != nil {
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log.Fatal(err)
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}
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progress.Stop()
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if config.ImportOptions.Diff {
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diffCache.Close()
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}
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log.StopStep(stepWrite)
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if db, ok := db.(database.Generalizer); ok {
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if err := db.Generalize(); err != nil {
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log.Fatal(err)
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}
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} else {
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log.Fatal("database not generalizeable")
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}
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if db, ok := db.(database.Finisher); ok {
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if err := db.Finish(); err != nil {
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log.Fatal(err)
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}
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} else {
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log.Fatal("database not finishable")
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}
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log.StopStep(stepImport)
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}
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if config.ImportOptions.Optimize {
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if db, ok := db.(database.Optimizer); ok {
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if err := db.Optimize(); err != nil {
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log.Fatal(err)
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}
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} else {
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log.Fatal("database not optimizable")
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}
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}
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if config.ImportOptions.DeployProduction {
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if db, ok := db.(database.Deployer); ok {
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if err := db.Deploy(); err != nil {
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log.Fatal(err)
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}
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} else {
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log.Fatal("database not deployable")
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}
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}
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if config.ImportOptions.RevertDeploy {
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if db, ok := db.(database.Deployer); ok {
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if err := db.RevertDeploy(); err != nil {
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log.Fatal(err)
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}
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} else {
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log.Fatal("database not deployable")
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}
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}
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if config.ImportOptions.RemoveBackup {
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if db, ok := db.(database.Deployer); ok {
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if err := db.RemoveBackup(); err != nil {
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log.Fatal(err)
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}
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} else {
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log.Fatal("database not deployable")
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}
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}
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log.StopStep(step)
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}
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