sql provider: enhanced folder mapping query using an upsert
Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
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parent
ecd488a840
commit
dd9c5b2149
2 changed files with 35 additions and 45 deletions
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@ -2022,19 +2022,6 @@ func getUserFromDbRow(row sqlScanner) (User, error) {
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return user, nil
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}
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func sqlCommonCheckFolderExists(ctx context.Context, name string, dbHandle sqlQuerier) error {
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var folderName string
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q := checkFolderNameQuery()
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stmt, err := dbHandle.PrepareContext(ctx, q)
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if err != nil {
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providerLog(logger.LevelError, "error preparing database query %#v: %v", q, err)
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return err
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}
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defer stmt.Close()
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row := stmt.QueryRowContext(ctx, name)
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return row.Scan(&folderName)
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}
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func sqlCommonGetFolder(ctx context.Context, name string, dbHandle sqlQuerier) (vfs.BaseVirtualFolder, error) {
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var folder vfs.BaseVirtualFolder
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q := getFolderByNameQuery()
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@ -2093,29 +2080,23 @@ func sqlCommonGetFolderByName(ctx context.Context, name string, dbHandle sqlQuer
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}
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func sqlCommonAddOrUpdateFolder(ctx context.Context, baseFolder *vfs.BaseVirtualFolder, usedQuotaSize int64,
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usedQuotaFiles int, lastQuotaUpdate int64, dbHandle sqlQuerier) (vfs.BaseVirtualFolder, error) {
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var folder vfs.BaseVirtualFolder
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// FIXME: we could use an UPSERT here, this SELECT could be racy
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err := sqlCommonCheckFolderExists(ctx, baseFolder.Name, dbHandle)
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switch err {
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case nil:
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err = sqlCommonUpdateFolder(baseFolder, dbHandle)
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if err != nil {
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return folder, err
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}
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case sql.ErrNoRows:
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baseFolder.UsedQuotaFiles = usedQuotaFiles
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baseFolder.UsedQuotaSize = usedQuotaSize
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baseFolder.LastQuotaUpdate = lastQuotaUpdate
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err = sqlCommonAddFolder(baseFolder, dbHandle)
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if err != nil {
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return folder, err
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}
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default:
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return folder, err
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usedQuotaFiles int, lastQuotaUpdate int64, dbHandle sqlQuerier,
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) error {
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fsConfig, err := json.Marshal(baseFolder.FsConfig)
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if err != nil {
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return err
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}
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q := getUpsertFolderQuery()
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stmt, err := dbHandle.PrepareContext(ctx, q)
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if err != nil {
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providerLog(logger.LevelError, "error preparing database query %#v: %v", q, err)
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return err
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}
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defer stmt.Close()
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return sqlCommonGetFolder(ctx, baseFolder.Name, dbHandle)
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_, err = stmt.ExecContext(ctx, baseFolder.MappedPath, usedQuotaSize, usedQuotaFiles,
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lastQuotaUpdate, baseFolder.Name, baseFolder.Description, string(fsConfig))
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return err
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}
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func sqlCommonAddFolder(folder *vfs.BaseVirtualFolder, dbHandle sqlQuerier) error {
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@ -2327,7 +2308,7 @@ func sqlCommonAddUserFolderMapping(ctx context.Context, user *User, folder *vfs.
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return err
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}
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defer stmt.Close()
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_, err = stmt.ExecContext(ctx, folder.VirtualPath, folder.QuotaSize, folder.QuotaFiles, folder.ID, user.Username)
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_, err = stmt.ExecContext(ctx, folder.VirtualPath, folder.QuotaSize, folder.QuotaFiles, folder.Name, user.Username)
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return err
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}
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@ -2362,11 +2343,10 @@ func generateGroupVirtualFoldersMapping(ctx context.Context, group *Group, dbHan
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}
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for idx := range group.VirtualFolders {
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vfolder := &group.VirtualFolders[idx]
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f, err := sqlCommonAddOrUpdateFolder(ctx, &vfolder.BaseVirtualFolder, 0, 0, 0, dbHandle)
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err = sqlCommonAddOrUpdateFolder(ctx, &vfolder.BaseVirtualFolder, 0, 0, 0, dbHandle)
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if err != nil {
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return err
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}
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vfolder.BaseVirtualFolder = f
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err = sqlCommonAddGroupFolderMapping(ctx, group, vfolder, dbHandle)
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if err != nil {
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return err
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@ -2382,11 +2362,10 @@ func generateUserVirtualFoldersMapping(ctx context.Context, user *User, dbHandle
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}
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for idx := range user.VirtualFolders {
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vfolder := &user.VirtualFolders[idx]
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f, err := sqlCommonAddOrUpdateFolder(ctx, &vfolder.BaseVirtualFolder, 0, 0, 0, dbHandle)
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err := sqlCommonAddOrUpdateFolder(ctx, &vfolder.BaseVirtualFolder, 0, 0, 0, dbHandle)
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if err != nil {
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return err
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}
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vfolder.BaseVirtualFolder = f
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err = sqlCommonAddUserFolderMapping(ctx, user, vfolder, dbHandle)
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if err != nil {
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return err
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@ -450,10 +450,6 @@ func getFolderByNameQuery() string {
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return fmt.Sprintf(`SELECT %v FROM %v WHERE name = %v`, selectFolderFields, sqlTableFolders, sqlPlaceholders[0])
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}
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func checkFolderNameQuery() string {
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return fmt.Sprintf(`SELECT name FROM %v WHERE name = %v`, sqlTableFolders, sqlPlaceholders[0])
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}
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func getAddFolderQuery() string {
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return fmt.Sprintf(`INSERT INTO %v (path,used_quota_size,used_quota_files,last_quota_update,name,description,filesystem)
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VALUES (%v,%v,%v,%v,%v,%v,%v)`, sqlTableFolders, sqlPlaceholders[0], sqlPlaceholders[1], sqlPlaceholders[2],
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@ -469,6 +465,20 @@ func getDeleteFolderQuery() string {
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return fmt.Sprintf(`DELETE FROM %v WHERE id = %v`, sqlTableFolders, sqlPlaceholders[0])
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}
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func getUpsertFolderQuery() string {
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if config.Driver == MySQLDataProviderName {
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return fmt.Sprintf("INSERT INTO %v (`path`,`used_quota_size`,`used_quota_files`,`last_quota_update`,`name`,"+
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"`description`,`filesystem`) VALUES (%v,%v,%v,%v,%v,%v,%v) ON DUPLICATE KEY UPDATE "+
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"`path`=VALUES(`path`),`description`=VALUES(`description`),`filesystem`=VALUES(`filesystem`)",
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sqlTableFolders, sqlPlaceholders[0], sqlPlaceholders[1], sqlPlaceholders[2], sqlPlaceholders[3], sqlPlaceholders[4],
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sqlPlaceholders[5], sqlPlaceholders[6])
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}
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return fmt.Sprintf(`INSERT INTO %v (path,used_quota_size,used_quota_files,last_quota_update,name,description,filesystem)
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VALUES (%v,%v,%v,%v,%v,%v,%v) ON CONFLICT (name) DO UPDATE SET path = EXCLUDED.path,description=EXCLUDED.description,
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filesystem=EXCLUDED.filesystem`, sqlTableFolders, sqlPlaceholders[0], sqlPlaceholders[1], sqlPlaceholders[2],
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sqlPlaceholders[3], sqlPlaceholders[4], sqlPlaceholders[5], sqlPlaceholders[6])
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}
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func getClearUserGroupMappingQuery() string {
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return fmt.Sprintf(`DELETE FROM %v WHERE user_id = (SELECT id FROM %v WHERE username = %v)`, sqlTableUsersGroupsMapping,
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sqlTableUsers, sqlPlaceholders[0])
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@ -499,8 +509,9 @@ func getClearUserFolderMappingQuery() string {
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func getAddUserFolderMappingQuery() string {
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return fmt.Sprintf(`INSERT INTO %v (virtual_path,quota_size,quota_files,folder_id,user_id)
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VALUES (%v,%v,%v,%v,(SELECT id FROM %v WHERE username = %v))`, sqlTableUsersFoldersMapping, sqlPlaceholders[0],
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sqlPlaceholders[1], sqlPlaceholders[2], sqlPlaceholders[3], sqlTableUsers, sqlPlaceholders[4])
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VALUES (%v,%v,%v,(SELECT id FROM %v WHERE name = %v),(SELECT id FROM %v WHERE username = %v))`,
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sqlTableUsersFoldersMapping, sqlPlaceholders[0], sqlPlaceholders[1], sqlPlaceholders[2], sqlTableFolders,
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sqlPlaceholders[3], sqlTableUsers, sqlPlaceholders[4])
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}
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func getFoldersQuery(order string, minimal bool) string {
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