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|
package testfixtures
import (
"database/sql"
"path/filepath"
)
// SQLite is the SQLite Helper for this package
type SQLite struct {
baseHelper
}
func (*SQLite) paramType() int {
return paramTypeQuestion
}
func (*SQLite) databaseName(q queryable) (string, error) {
var seq int
var main, dbName string
err := q.QueryRow("PRAGMA database_list").Scan(&seq, &main, &dbName)
if err != nil {
return "", err
}
dbName = filepath.Base(dbName)
return dbName, nil
}
func (*SQLite) tableNames(q queryable) ([]string, error) {
query := `
SELECT name
FROM sqlite_master
WHERE type = 'table';
`
rows, err := q.Query(query)
if err != nil {
return nil, err
}
defer rows.Close()
var tables []string
for rows.Next() {
var table string
if err = rows.Scan(&table); err != nil {
return nil, err
}
tables = append(tables, table)
}
if err = rows.Err(); err != nil {
return nil, err
}
return tables, nil
}
func (*SQLite) disableReferentialIntegrity(db *sql.DB, loadFn loadFunction) (err error) {
defer func() {
if _, err2 := db.Exec("PRAGMA defer_foreign_keys = OFF"); err2 != nil && err == nil {
err = err2
}
}()
if _, err = db.Exec("PRAGMA defer_foreign_keys = ON"); err != nil {
return err
}
tx, err := db.Begin()
if err != nil {
return err
}
defer tx.Rollback()
if err = loadFn(tx); err != nil {
return err
}
return tx.Commit()
}
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