Change the null-cursor in the previous check-in into a death-cursor. Any access of the cursor causes the prepared statement to return an SQLITE_INTERNAL error. We'll need to add a way to edit the bytecode using sqlite3_test_control() in order to test the death-cursor code path. (tags: defensive-null-cursor)

Change the null-cursor in the previous check-in into a death-cursor. Any access of the cursor causes the prepared statement to return an SQLITE_INTERNAL error. We'll need to add a way to edit the bytecode using sqlite3_test_control() in order to test the death-cursor code path. (tags: defensive-null-cursor)