Query optimizations

pkg/models/querybuilder_gallery.go

@@ -93,7 +93,7 @@ func (qb *GalleryQueryBuilder) FindByPath(path string) (*Gallery, error) {
 }
 
 func (qb *GalleryQueryBuilder) FindBySceneID(sceneID int, tx *sqlx.Tx) (*Gallery, error) {
-	query := "SELECT galleries.* FROM galleries JOIN scenes ON scenes.id = galleries.scene_id WHERE scenes.id = ? LIMIT 1"
+	query := "SELECT galleries.* FROM galleries WHERE galleries.scene_id = ? LIMIT 1"
 	args := []interface{}{sceneID}
 	return qb.queryGallery(query, args, tx)
 }

pkg/models/querybuilder_movies.go

@@ -76,8 +76,7 @@ func (qb *MovieQueryBuilder) FindBySceneID(sceneID int, tx *sqlx.Tx) ([]*Movie,
 	query := `
 		SELECT movies.* FROM movies
 		LEFT JOIN movies_scenes as scenes_join on scenes_join.movie_id = movies.id
-		LEFT JOIN scenes on scenes_join.scene_id = scenes.id
-		WHERE scenes.id = ?
+		WHERE scenes_join.scene_id = ?
 		GROUP BY movies.id
 	`
 	args := []interface{}{sceneID}

pkg/models/querybuilder_performer.go

@@ -77,12 +77,9 @@ func (qb *PerformerQueryBuilder) Find(id int) (*Performer, error) {
 }
 
 func (qb *PerformerQueryBuilder) FindBySceneID(sceneID int, tx *sqlx.Tx) ([]*Performer, error) {
-	query := `
-		SELECT performers.* FROM performers
+	query := selectAll("performers") + `
 		LEFT JOIN performers_scenes as scenes_join on scenes_join.performer_id = performers.id
-		LEFT JOIN scenes on scenes_join.scene_id = scenes.id
-		WHERE scenes.id = ?
-		GROUP BY performers.id
+		WHERE scenes_join.scene_id = ?
 	`
 	args := []interface{}{sceneID}
 	return qb.queryPerformers(query, args, tx)
@@ -93,7 +90,6 @@ func (qb *PerformerQueryBuilder) FindNameBySceneID(sceneID int, tx *sqlx.Tx) ([]
 		SELECT performers.name FROM performers
 		LEFT JOIN performers_scenes as scenes_join on scenes_join.performer_id = performers.id
 		WHERE scenes_join.scene_id = ?
-		GROUP BY performers.name
 	`
 	args := []interface{}{sceneID}
 	return qb.queryPerformers(query, args, tx)

pkg/models/querybuilder_performer_test.go

@@ -34,10 +34,33 @@ func TestPerformerFindBySceneID(t *testing.T) {
 	assert.Equal(t, 0, len(performers))
 }
 
+func TestPerformerFindNameBySceneID(t *testing.T) {
+	pqb := models.NewPerformerQueryBuilder()
+	sceneID := sceneIDs[sceneIdxWithPerformer]
+
+	performers, err := pqb.FindNameBySceneID(sceneID, nil)
+
+	if err != nil {
+		t.Fatalf("Error finding performer: %s", err.Error())
+	}
+
+	assert.Equal(t, 1, len(performers))
+	performer := performers[0]
+
+	assert.Equal(t, getPerformerStringValue(performerIdxWithScene, "Name"), performer.Name.String)
+
+	performers, err = pqb.FindBySceneID(0, nil)
+
+	if err != nil {
+		t.Fatalf("Error finding performer: %s", err.Error())
+	}
+
+	assert.Equal(t, 0, len(performers))
+}
+
 // TODO Update
 // TODO Destroy
 // TODO Find
-// TODO FindNameBySceneID
 // TODO FindByNames
 // TODO Count
 // TODO All

pkg/models/querybuilder_scene.go

@@ -10,33 +10,34 @@ import (
 	"github.com/stashapp/stash/pkg/database"
 )
 
-const scenesForPerformerQuery = `
-SELECT scenes.* FROM scenes
+const sceneTable = "scenes"
+
+var scenesForPerformerQuery = selectAll(sceneTable) + `
 LEFT JOIN performers_scenes as performers_join on performers_join.scene_id = scenes.id
-LEFT JOIN performers on performers_join.performer_id = performers.id
-WHERE performers.id = ?
+WHERE performers_join.performer_id = ?
 GROUP BY scenes.id
 `
 
-const scenesForStudioQuery = `
-SELECT scenes.* FROM scenes
+var countScenesForPerformerQuery = `
+SELECT performer_id FROM performers_scenes as performers_join
+WHERE performer_id = ?
+GROUP BY scene_id
+`
+
+var scenesForStudioQuery = selectAll(sceneTable) + `
 JOIN studios ON studios.id = scenes.studio_id
 WHERE studios.id = ?
 GROUP BY scenes.id
 `
-const scenesForMovieQuery = `
-SELECT scenes.* FROM scenes
+var scenesForMovieQuery = selectAll(sceneTable) + `
 LEFT JOIN movies_scenes as movies_join on movies_join.scene_id = scenes.id
-LEFT JOIN movies on movies_join.movie_id = movies.id
-WHERE movies.id = ?
+WHERE movies_join.movie_id = ?
 GROUP BY scenes.id
 `
 
-const scenesForTagQuery = `
-SELECT scenes.* FROM scenes
+var scenesForTagQuery = selectAll(sceneTable) + `
 LEFT JOIN scenes_tags as tags_join on tags_join.scene_id = scenes.id
-LEFT JOIN tags on tags_join.tag_id = tags.id
-WHERE tags.id = ?
+WHERE tags_join.tag_id = ?
 GROUP BY scenes.id
 `
 
@@ -150,7 +151,7 @@ func (qb *SceneQueryBuilder) Find(id int) (*Scene, error) {
 }
 
 func (qb *SceneQueryBuilder) find(id int, tx *sqlx.Tx) (*Scene, error) {
-	query := "SELECT * FROM scenes WHERE id = ? LIMIT 1"
+	query := selectAll(sceneTable) + "WHERE id = ? LIMIT 1"
 	args := []interface{}{id}
 	return qb.queryScene(query, args, tx)
 }
@@ -162,7 +163,7 @@ func (qb *SceneQueryBuilder) FindByChecksum(checksum string) (*Scene, error) {
 }
 
 func (qb *SceneQueryBuilder) FindByPath(path string) (*Scene, error) {
-	query := "SELECT * FROM scenes WHERE path = ? LIMIT 1"
+	query := selectAll(sceneTable) + "WHERE path = ? LIMIT 1"
 	args := []interface{}{path}
 	return qb.queryScene(query, args, nil)
 }
@@ -174,7 +175,7 @@ func (qb *SceneQueryBuilder) FindByPerformerID(performerID int) ([]*Scene, error
 
 func (qb *SceneQueryBuilder) CountByPerformerID(performerID int) (int, error) {
 	args := []interface{}{performerID}
-	return runCountQuery(buildCountQuery(scenesForPerformerQuery), args)
+	return runCountQuery(buildCountQuery(countScenesForPerformerQuery), args)
 }
 
 func (qb *SceneQueryBuilder) FindByStudioID(studioID int) ([]*Scene, error) {
@@ -219,12 +220,12 @@ func (qb *SceneQueryBuilder) Wall(q *string) ([]*Scene, error) {
 	if q != nil {
 		s = *q
 	}
-	query := "SELECT scenes.* FROM scenes WHERE scenes.details LIKE '%" + s + "%' ORDER BY RANDOM() LIMIT 80"
+	query := selectAll(sceneTable) + "WHERE scenes.details LIKE '%" + s + "%' ORDER BY RANDOM() LIMIT 80"
 	return qb.queryScenes(query, nil, nil)
 }
 
 func (qb *SceneQueryBuilder) All() ([]*Scene, error) {
-	return qb.queryScenes(selectAll("scenes")+qb.getSceneSort(nil), nil, nil)
+	return qb.queryScenes(selectAll(sceneTable)+qb.getSceneSort(nil), nil, nil)
 }
 
 func (qb *SceneQueryBuilder) Query(sceneFilter *SceneFilterType, findFilter *FindFilterType) ([]*Scene, int) {
@@ -235,137 +236,138 @@ func (qb *SceneQueryBuilder) Query(sceneFilter *SceneFilterType, findFilter *Fin
 		findFilter = &FindFilterType{}
 	}
 
-	var whereClauses []string
-	var havingClauses []string
-	var args []interface{}
-	body := selectDistinctIDs("scenes")
-	body = body + `
+	query := queryBuilder{
+		tableName: sceneTable,
+	}
+
+	query.body = selectDistinctIDs(sceneTable)
+	query.body += `
 		left join scene_markers on scene_markers.scene_id = scenes.id
 		left join performers_scenes as performers_join on performers_join.scene_id = scenes.id
 		left join movies_scenes as movies_join on movies_join.scene_id = scenes.id
-		left join performers on performers_join.performer_id = performers.id
-		left join movies on movies_join.movie_id = movies.id
 		left join studios as studio on studio.id = scenes.studio_id
 		left join galleries as gallery on gallery.scene_id = scenes.id
 		left join scenes_tags as tags_join on tags_join.scene_id = scenes.id
-		left join tags on tags_join.tag_id = tags.id
 	`
 
 	if q := findFilter.Q; q != nil && *q != "" {
 		searchColumns := []string{"scenes.title", "scenes.details", "scenes.path", "scenes.checksum", "scene_markers.title"}
 		clause, thisArgs := getSearchBinding(searchColumns, *q, false)
-		whereClauses = append(whereClauses, clause)
-		args = append(args, thisArgs...)
+		query.addWhere(clause)
+		query.addArg(thisArgs...)
 	}
 
 	if rating := sceneFilter.Rating; rating != nil {
 		clause, count := getIntCriterionWhereClause("scenes.rating", *sceneFilter.Rating)
-		whereClauses = append(whereClauses, clause)
+		query.addWhere(clause)
 		if count == 1 {
-			args = append(args, sceneFilter.Rating.Value)
+			query.addArg(sceneFilter.Rating.Value)
 		}
 	}
 
 	if oCounter := sceneFilter.OCounter; oCounter != nil {
 		clause, count := getIntCriterionWhereClause("scenes.o_counter", *sceneFilter.OCounter)
-		whereClauses = append(whereClauses, clause)
+		query.addWhere(clause)
 		if count == 1 {
-			args = append(args, sceneFilter.OCounter.Value)
+			query.addArg(sceneFilter.OCounter.Value)
 		}
 	}
 
 	if durationFilter := sceneFilter.Duration; durationFilter != nil {
 		clause, thisArgs := getDurationWhereClause(*durationFilter)
-		whereClauses = append(whereClauses, clause)
-		args = append(args, thisArgs...)
+		query.addWhere(clause)
+		query.addArg(thisArgs...)
 	}
 
 	if resolutionFilter := sceneFilter.Resolution; resolutionFilter != nil {
 		if resolution := resolutionFilter.String(); resolutionFilter.IsValid() {
 			switch resolution {
 			case "LOW":
-				whereClauses = append(whereClauses, "scenes.height < 480")
+				query.addWhere("scenes.height < 480")
 			case "STANDARD":
-				whereClauses = append(whereClauses, "(scenes.height >= 480 AND scenes.height < 720)")
+				query.addWhere("(scenes.height >= 480 AND scenes.height < 720)")
 			case "STANDARD_HD":
-				whereClauses = append(whereClauses, "(scenes.height >= 720 AND scenes.height < 1080)")
+				query.addWhere("(scenes.height >= 720 AND scenes.height < 1080)")
 			case "FULL_HD":
-				whereClauses = append(whereClauses, "(scenes.height >= 1080 AND scenes.height < 2160)")
+				query.addWhere("(scenes.height >= 1080 AND scenes.height < 2160)")
 			case "FOUR_K":
-				whereClauses = append(whereClauses, "scenes.height >= 2160")
+				query.addWhere("scenes.height >= 2160")
 			}
 		}
 	}
 
 	if hasMarkersFilter := sceneFilter.HasMarkers; hasMarkersFilter != nil {
 		if strings.Compare(*hasMarkersFilter, "true") == 0 {
-			havingClauses = append(havingClauses, "count(scene_markers.scene_id) > 0")
+			query.addHaving("count(scene_markers.scene_id) > 0")
 		} else {
-			whereClauses = append(whereClauses, "scene_markers.id IS NULL")
+			query.addWhere("scene_markers.id IS NULL")
 		}
 	}
 
 	if isMissingFilter := sceneFilter.IsMissing; isMissingFilter != nil && *isMissingFilter != "" {
 		switch *isMissingFilter {
 		case "gallery":
-			whereClauses = append(whereClauses, "gallery.scene_id IS NULL")
+			query.addWhere("gallery.scene_id IS NULL")
 		case "studio":
-			whereClauses = append(whereClauses, "scenes.studio_id IS NULL")
+			query.addWhere("scenes.studio_id IS NULL")
 		case "movie":
-			whereClauses = append(whereClauses, "movies_join.scene_id IS NULL")
+			query.addWhere("movies_join.scene_id IS NULL")
 		case "performers":
-			whereClauses = append(whereClauses, "performers_join.scene_id IS NULL")
+			query.addWhere("performers_join.scene_id IS NULL")
 		case "date":
-			whereClauses = append(whereClauses, "scenes.date IS \"\" OR scenes.date IS \"0001-01-01\"")
+			query.addWhere("scenes.date IS \"\" OR scenes.date IS \"0001-01-01\"")
 		case "tags":
-			whereClauses = append(whereClauses, "tags_join.scene_id IS NULL")
+			query.addWhere("tags_join.scene_id IS NULL")
 		default:
-			whereClauses = append(whereClauses, "scenes."+*isMissingFilter+" IS NULL")
+			query.addWhere("scenes." + *isMissingFilter + " IS NULL")
 		}
 	}
 
 	if tagsFilter := sceneFilter.Tags; tagsFilter != nil && len(tagsFilter.Value) > 0 {
 		for _, tagID := range tagsFilter.Value {
-			args = append(args, tagID)
+			query.addArg(tagID)
 		}
 
+		query.body += " LEFT JOIN tags on tags_join.tag_id = tags.id"
 		whereClause, havingClause := getMultiCriterionClause("tags", "scenes_tags", "tag_id", tagsFilter)
-		whereClauses = appendClause(whereClauses, whereClause)
-		havingClauses = appendClause(havingClauses, havingClause)
+		query.addWhere(whereClause)
+		query.addHaving(havingClause)
 	}
 
 	if performersFilter := sceneFilter.Performers; performersFilter != nil && len(performersFilter.Value) > 0 {
 		for _, performerID := range performersFilter.Value {
-			args = append(args, performerID)
+			query.addArg(performerID)
 		}
 
+		query.body += " LEFT JOIN performers ON performers_join.performer_id = performers.id"
 		whereClause, havingClause := getMultiCriterionClause("performers", "performers_scenes", "performer_id", performersFilter)
-		whereClauses = appendClause(whereClauses, whereClause)
-		havingClauses = appendClause(havingClauses, havingClause)
+		query.addWhere(whereClause)
+		query.addHaving(havingClause)
 	}
 
 	if studiosFilter := sceneFilter.Studios; studiosFilter != nil && len(studiosFilter.Value) > 0 {
 		for _, studioID := range studiosFilter.Value {
-			args = append(args, studioID)
+			query.addArg(studioID)
 		}
 
 		whereClause, havingClause := getMultiCriterionClause("studio", "", "studio_id", studiosFilter)
-		whereClauses = appendClause(whereClauses, whereClause)
-		havingClauses = appendClause(havingClauses, havingClause)
+		query.addWhere(whereClause)
+		query.addHaving(havingClause)
 	}
 
 	if moviesFilter := sceneFilter.Movies; moviesFilter != nil && len(moviesFilter.Value) > 0 {
 		for _, movieID := range moviesFilter.Value {
-			args = append(args, movieID)
+			query.addArg(movieID)
 		}
 
+		query.body += " LEFT JOIN movies ON movies_join.movie_id = movies.id"
 		whereClause, havingClause := getMultiCriterionClause("movies", "movies_scenes", "movie_id", moviesFilter)
-		whereClauses = appendClause(whereClauses, whereClause)
-		havingClauses = appendClause(havingClauses, havingClause)
+		query.addWhere(whereClause)
+		query.addHaving(havingClause)
 	}
 
-	sortAndPagination := qb.getSceneSort(findFilter) + getPagination(findFilter)
-	idsResult, countResult := executeFindQuery("scenes", body, args, sortAndPagination, whereClauses, havingClauses)
+	query.sortAndPagination = qb.getSceneSort(findFilter) + getPagination(findFilter)
+	idsResult, countResult := query.executeFind()
 
 	var scenes []*Scene
 	for _, id := range idsResult {

pkg/models/querybuilder_scene_marker.go

@@ -77,8 +77,7 @@ func (qb *SceneMarkerQueryBuilder) Find(id int) (*SceneMarker, error) {
 func (qb *SceneMarkerQueryBuilder) FindBySceneID(sceneID int, tx *sqlx.Tx) ([]*SceneMarker, error) {
 	query := `
 		SELECT scene_markers.* FROM scene_markers
-		JOIN scenes ON scenes.id = scene_markers.scene_id
-		WHERE scenes.id = ?
+		WHERE scene_markers.scene_id = ?
 		GROUP BY scene_markers.id
 		ORDER BY scene_markers.seconds ASC
 	`