SQLITE_NOTICE_RECOVER_WAL
SQLiteINFOCommonLoggingofficial confidence
WAL file recovery in progress (log notice)
Production Risk
None — informational notice.
What this means
SQLITE_NOTICE_RECOVER_WAL (283) is passed to the sqlite3_log() callback when SQLite is recovering a WAL file after a crash. It is informational and indicates normal crash recovery.
Why it happens
- 1Application restarted after an unclean shutdown with uncommitted WAL frames.
- 2Normal WAL crash recovery on database open.
How to reproduce
First database open after a crash when a WAL file is present.
trigger — this will error
trigger — this will error
# Register logger in C to see this code: # sqlite3_config(SQLITE_CONFIG_LOG, myLogger, NULL); # On open: "recovered N frames from WAL file ..."
expected output
Log: "recovered 42 frames from WAL file my.db-wal"
Fix
Sources
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