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Cleanup transaction api

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This commit is contained in:
Jan Eitzinger 2024-09-03 15:40:02 +02:00
parent f58efa2871
commit e267481f71
2 changed files with 28 additions and 35 deletions
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18
internal/importer/initDB.go
View File

@ -16,6 +16,11 @@ import (
"github.com/ClusterCockpit/cc-backend/pkg/schema"
)
const (
addTagQuery = "INSERT INTO tag (tag_name, tag_type) VALUES (?, ?)"
setTagQuery = "INSERT INTO jobtag (job_id, tag_id) VALUES (?, ?)"
)
// Delete the tables "job", "tag" and "jobtag" from the database and
// repopulate them using the jobs found in `archive`.
func InitDB() error {
@ -27,7 +32,7 @@ func InitDB() error {
starttime := time.Now()
log.Print("Building job table...")
t, err := r.TransactionInit(repository.NamedJobInsert)
t, err := r.TransactionInit()
if err != nil {
log.Warn("Error while initializing SQL transactions")
return err
@ -105,7 +110,8 @@ func InitDB() error {
continue
}
id, err := r.TransactionAdd(t, job)
id, err := r.TransactionAddNamed(t,
repository.NamedJobInsert, job)
if err != nil {
log.Errorf("repository initDB(): %v", err)
errorOccured++
@ -116,7 +122,9 @@ func InitDB() error {
tagstr := tag.Name + ":" + tag.Type
tagId, ok := tags[tagstr]
if !ok {
tagId, err = r.TransactionAddTag(t, tag)
tagId, err = r.TransactionAdd(t,
addTagQuery,
tag.Name, tag.Type)
if err != nil {
log.Errorf("Error adding tag: %v", err)
errorOccured++
@ -125,7 +133,9 @@ func InitDB() error {
tags[tagstr] = tagId
}
r.TransactionSetTag(t, id, tagId)
r.TransactionAdd(t,
setTagQuery,
id, tagId)
}
if err == nil {

45
internal/repository/transaction.go
View File

@ -6,7 +6,6 @@ package repository
import (
"github.com/ClusterCockpit/cc-backend/pkg/log"
"github.com/ClusterCockpit/cc-backend/pkg/schema"
"github.com/jmoiron/sqlx"
)
@ -15,7 +14,7 @@ type Transaction struct {
stmt *sqlx.NamedStmt
}
func (r *JobRepository) TransactionInit(sqlStmt string) (*Transaction, error) {
func (r *JobRepository) TransactionInit() (*Transaction, error) {
var err error
t := new(Transaction)
@ -24,13 +23,6 @@ func (r *JobRepository) TransactionInit(sqlStmt string) (*Transaction, error) {
log.Warn("Error while bundling transactions")
return nil, err
}
t.stmt, err = t.tx.PrepareNamed(sqlStmt)
if err != nil {
log.Warn("Error while preparing SQL statement in transaction")
return nil, err
}
return t, nil
}
@ -49,7 +41,6 @@ func (r *JobRepository) TransactionCommit(t *Transaction) error {
return err
}
t.stmt = t.tx.NamedStmt(t.stmt)
return nil
}
@ -62,10 +53,14 @@ func (r *JobRepository) TransactionEnd(t *Transaction) error {
return nil
}
func (r *JobRepository) TransactionAdd(t *Transaction, obj interface{}) (int64, error) {
res, err := t.stmt.Exec(obj)
func (r *JobRepository) TransactionAddNamed(
t *Transaction,
query string,
args ...interface{},
) (int64, error) {
res, err := t.tx.NamedExec(query, args)
if err != nil {
log.Errorf("repository initDB(): %v", err)
log.Errorf("Named Exec failed: %v", err)
return 0, err
}
@ -78,26 +73,14 @@ func (r *JobRepository) TransactionAdd(t *Transaction, obj interface{}) (int64,
return id, nil
}
func (r *JobRepository) TransactionAddTag(t *Transaction, tag *schema.Tag) (int64, error) {
res, err := t.tx.Exec(`INSERT INTO tag (tag_name, tag_type) VALUES (?, ?)`, tag.Name, tag.Type)
func (r *JobRepository) TransactionAdd(t *Transaction, query string, args ...interface{}) (int64, error) {
res := t.tx.MustExec(query, args)
id, err := res.LastInsertId()
if err != nil {
log.Errorf("Error while inserting tag into tag table: %v (Type %v)", tag.Name, tag.Type)
return 0, err
}
tagId, err := res.LastInsertId()
if err != nil {
log.Warn("Error while getting last insert ID")
log.Errorf("repository initDB(): %v", err)
return 0, err
}
return tagId, nil
}
func (r *JobRepository) TransactionSetTag(t *Transaction, jobId int64, tagId int64) error {
if _, err := t.tx.Exec(`INSERT INTO jobtag (job_id, tag_id) VALUES (?, ?)`, jobId, tagId); err != nil {
log.Errorf("Error while inserting jobtag into jobtag table: %v (TagID %v)", jobId, tagId)
return err
}
return nil
return id, nil
}