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query.go
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query.go
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package database
import (
"context"
"database/sql"
)
func TxExec(query string, args ...any) error {
conn := Conn()
tx, err := conn.BeginTx(context.Background(), &sql.TxOptions{})
if err != nil {
return err
}
defer tx.Rollback()
_, err = tx.Exec(query, args...)
if err == nil {
return tx.Commit()
}
return err
}
type TxQueryFunc func(func(*sql.Rows) error) error
func TxQuery(query string, args ...any) TxQueryFunc {
return func(forEach func(*sql.Rows) error) error {
conn := Conn()
tx, err := conn.BeginTx(context.Background(), &sql.TxOptions{})
if err != nil {
return err
}
defer tx.Rollback()
rows, err := tx.Query(query, args...)
if err != nil {
return err
}
for rows.Next() {
err := forEach(rows)
if err != nil {
return err
}
}
err = rows.Err()
if err == nil {
return tx.Commit()
} else {
return err
}
}
}
type TxQueryRowFunc func(func(*sql.Row) error) error
func TxQueryRow(query string, args ...any) TxQueryRowFunc {
return func(fRow func(*sql.Row) error) error {
conn := Conn()
tx, err := conn.BeginTx(context.Background(), &sql.TxOptions{})
if err != nil {
return err
}
defer tx.Rollback()
row := tx.QueryRow(query, args...)
err = fRow(row)
if err == nil {
return tx.Commit()
} else {
return err
}
}
}