mysql Fehler: Fehler 1241 (21000): Operand sollte 1 Spalte (n) enthalten

Question

Ich bin mit einem Problem mit einer MySQL-Abfrage konfrontiert. Ich muss Daten von einer Tabelle in eine andere Tabelle kopieren. Die Abfrage Ich verwende ist:

mysql> insert into voucher (code, amount, expire_at, state, driver_id, asset_account_id, created_at, updated_at, creator_id, agent, voucher_batch_id, image, city_id, country_id, serial_number, updater_id, redeemed_at) select (code, amount, expire_at, state, driver_id, asset_account_id, created_at, updated_at, creator_id, agent, voucher_batch_id, image, city_id, country_id, serial_number, updater_id, redeemed_at) from voucher_log ;

Aber ich den unten Störung erhalte dies auf die Ausführung:

ERROR 1241 (21000): Operand should contain 1 column(s)

Answer 1

insert into voucher (code, amount, expire_at, state, driver_id, asset_account_id, created_at, updated_at, creator_id, agent, voucher_batch_id, image, city_id, country_id, serial_number, updater_id, redeemed_at) select (code, amount, expire_at, state, driver_id, asset_account_id, created_at, updated_at, creator_id, agent, voucher_batch_id, image, city_id, country_id, serial_number, updater_id, redeemed_at) from voucher_log ;

Ihre Abfrage sollte

sein

insert into voucher (code, amount, expire_at, state, driver_id, asset_account_id, created_at, updated_at, creator_id, agent, voucher_batch_id, image, city_id, country_id, serial_number, updater_id, redeemed_at) select code, amount, expire_at, state, driver_id, asset_account_id, created_at, updated_at, creator_id, agent, voucher_batch_id, image, city_id, country_id, serial_number, updater_id, redeemed_at from voucher_log ;

setzen Sie () in die Select-Abfrage. dieser Teil ist falsch.