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Ticket UUID: 0fc59f908b074712165cd76ca2fa9344124fe755
Title: Missing COLLATE function does not result in an error
Status: Fixed Type: Code_Defect
Severity: Severe Priority: Immediate
Subsystem: Unknown Resolution: Fixed
Last Modified: 2013-05-15 17:58:20
Version Found In: 3.7.16.2
User Comments:
drh added on 2013-05-15 13:23:33:

If a database schema uses an application-defined collating sequence, and an instance of SQLite is run on that database that does not have the necessary collating sequence defined, then the "REINDEX" and "PRAGMA integrity_check" commands run without generating an error and substitute the built-in BINARY collating sequence in place of the application-defined collating sequence. Running the REINDEX command this way corrupts the index (though the corruption can be reversed by rerunning REINDEX in a new database connection where the application-defined collating sequence has been defined). Running PRAGMA integrity_check this way results in spurious errors.

This problem appears to have been introduced by check-in 8542e6180d4321d and first appeared in release 3.7.15.