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Fix a segfault that could occur if a non-empty in-memory database was the destination of a backup operation from a database with a smaller page size.

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FossilOrigin-Name: 020968f857d7b90bab3525fc9d6b859a019f6a80422c3d5ffb88f5bdb8e02a11
This commit is contained in:
dan
2023-04-19 17:07:35 +00:00
parent 2c5c124064
commit 3115b36d67
4 changed files with 37 additions and 17 deletions
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23
test/backup.test
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@ -977,5 +977,28 @@ do_test backup-11.1 {
sqlite3_backup B db1 main db2 temp
B finish
} {SQLITE_OK}
db1 close
db2 close
#-------------------------------------------------------------------------
do_test backup-12.1 {
sqlite3 db1 :memory:
sqlite3 db2 :memory:
db1 eval {
PRAGMA page_size = 8192;
CREATE TABLE t1(x);
}
db2 eval {
PRAGMA page_size = 1024;
CREATE TABLE t2(x);
}
sqlite3_backup B db1 main db2 temp
B step 100
B finish
} {SQLITE_READONLY}
finish_test