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Ticket UUID: 48f299634acb013ba05730b8d86bb029fc4372f2
Title: Crash in SAVEPOINT within a transaction that writes to then drops an FTS table
Status: Closed Type: Code_Defect
Severity: Important Priority: Immediate
Subsystem: Virtual_Machine Resolution: Fixed
Last Modified: 2011-10-29 11:54:59
Version Found In: 3.7.8
Description:
The following script causes a crash:
CREATE VIRTUAL TABLE f1 USING fts3;
BEGIN; 
  INSERT INTO f1 VALUES('a b c');
  DROP TABLE f1;
  SAVEPOINT one;

This is not an FTS specific problem. It can occur using any virtual table implementation that sets sqlite3_module.iVersion>=2 (i.e. one that requires callbacks for SAVEPOINT, ROLLBACK TO and RELEASE commands).

To reproduce this, the user must open a transaction, write to the virtual table and then DROP it. Thereafter, any SAVEPOINT, ROLLBACK TO or RELEASE command within the transaction that is not a no-op will cause a crash.


dan added on 2011-10-29 11:46:05:
Fixed here: [3565fcf898].


dan added on 2011-10-29 11:54:59:
First appeared in version 3.7.7.