forked from mystiq/dex
69 lines
2 KiB
Go
69 lines
2 KiB
Go
/*
|
|
Package translate implements translation of driver specific SQL queries.
|
|
*/
|
|
package translate
|
|
|
|
import (
|
|
"database/sql"
|
|
"regexp"
|
|
|
|
"github.com/go-gorp/gorp"
|
|
)
|
|
|
|
var (
|
|
bindRegexp = regexp.MustCompile(`\$\d+`)
|
|
trueRegexp = regexp.MustCompile(`\btrue\b`)
|
|
)
|
|
|
|
// PostgresToSQLite implements translation of the pq driver to sqlite3.
|
|
func PostgresToSQLite(query string) string {
|
|
query = bindRegexp.ReplaceAllString(query, "?")
|
|
query = trueRegexp.ReplaceAllString(query, "1")
|
|
return query
|
|
}
|
|
|
|
func NewExecutor(exec gorp.SqlExecutor, translate func(string) string) gorp.SqlExecutor {
|
|
return &executor{exec, translate}
|
|
}
|
|
|
|
type executor struct {
|
|
gorp.SqlExecutor
|
|
Translate func(string) string
|
|
}
|
|
|
|
func (e *executor) Exec(query string, args ...interface{}) (sql.Result, error) {
|
|
return e.SqlExecutor.Exec(e.Translate(query), args...)
|
|
}
|
|
|
|
func (e *executor) Select(i interface{}, query string, args ...interface{}) ([]interface{}, error) {
|
|
return e.SqlExecutor.Select(i, e.Translate(query), args...)
|
|
}
|
|
|
|
func (e *executor) SelectInt(query string, args ...interface{}) (int64, error) {
|
|
return e.SqlExecutor.SelectInt(e.Translate(query), args...)
|
|
}
|
|
|
|
func (e *executor) SelectNullInt(query string, args ...interface{}) (sql.NullInt64, error) {
|
|
return e.SqlExecutor.SelectNullInt(e.Translate(query), args...)
|
|
}
|
|
|
|
func (e *executor) SelectFloat(query string, args ...interface{}) (float64, error) {
|
|
return e.SqlExecutor.SelectFloat(e.Translate(query), args...)
|
|
}
|
|
|
|
func (e *executor) SelectNullFloat(query string, args ...interface{}) (sql.NullFloat64, error) {
|
|
return e.SqlExecutor.SelectNullFloat(e.Translate(query), args...)
|
|
}
|
|
|
|
func (e *executor) SelectStr(query string, args ...interface{}) (string, error) {
|
|
return e.SqlExecutor.SelectStr(e.Translate(query), args...)
|
|
}
|
|
|
|
func (e *executor) SelectNullStr(query string, args ...interface{}) (sql.NullString, error) {
|
|
return e.SqlExecutor.SelectNullStr(e.Translate(query), args...)
|
|
}
|
|
|
|
func (e *executor) SelectOne(holder interface{}, query string, args ...interface{}) error {
|
|
return e.SqlExecutor.SelectOne(holder, e.Translate(query), args...)
|
|
}
|