AkousaSQL/数据库错误错误
MySQL 2013MySQL 2013 — Lost Connection During Query
The connection was lost during a query.
mysql
查看详情 SQLITE_BUSY (5)The database file is locked by another connection or process.
Another process holds a write lock. SQLite uses file-level locking, allowing only one writer at a time.
Retry after a short delay. Use sqlite3_busy_timeout(). Use WAL mode for better concurrency. Close unused connections.
-- SQLITE_BUSY: database is locked
-- Enable WAL mode for better concurrency
PRAGMA journal_mode=WAL;MySQL 2013The connection was lost during a query.
42P03A cursor with the specified name already exists.
23514An INSERT or UPDATE violates a CHECK constraint on the table.
42702A column reference is ambiguous because it exists in multiple tables.
23001A restrict rule prevented the deletion or update of a referenced row.
22P02A value could not be converted to the required data type.