(Use box_big/tarantool.cfg to define space 16 indexes)
** Changed in: tarantool
Importance: Undecided => Critical
** Changed in: tarantool
Assignee: (unassigned) => Kostja Osipov (kostja)
** Changed in: tarantool
Milestone: None => 1.4.8
** Changed in: tarantool
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1051006
Title:
Tree iterators return garbage if an index is modified between calls
Status in Tarantool - an efficient in-memory data store:
Confirmed
Bug description:
Tree iterator is not invalidated by deletion from an index:
localhost> lua box.space[16]:insert('a', 'a', 'a')
---
- 'a': {'a', 'a'}
...
localhost> lua box.space[16]:insert('b', 'b', 'b')
---
- 'b': {'b', 'b'}
...
localhost> lua box.space[16]:insert('c', 'c', 'c')
---
- 'c': {'c', 'c'}
...
localhost> lua box.space[16]:insert('d', 'd', 'd')
---
- 'd': {'d', 'd'}
...
localhost> lua box.space[16]:insert('e', 'e', 'e')
---
- 'e': {'e', 'e'}
...
localhost> lua k,v = box.space[16].index[1]:next(k)
---
...
localhost> lua print(k, " ", v)
---
userdata: 0x41544568 'a': {'a', 'a'}
...
localhost> lua k,v = box.space[16].index[1]:next(k)
---
...
localhost> lua print(k, " ", v)
---
userdata: 0x41544568 'b': {'b', 'b'}
...
localhost> lua box.space[16]:truncate()
---
...
localhost> lua print(k, " ", v)
---
userdata: 0x41544568 'b': {'b', 'b'}
...
localhost> lua collectgarbage('collect')
---
- 0
...
localhost> lua print(k, " ", v)
---
userdata: 0x41544568 'b': {'b', 'b'}
...
localhost> lua k,v = box.space[16].index[1]:next(k)
---
...
localhost> lua print(k, " ", v)
---
userdata: 0x41544568 'c': {'c', 'c'}
...
localhost> lua collectgarbage('collect')
---
- 0
...
localhost> lua print(k, " ", v)
---
userdata: 0x41544568 'c': {'c', 'c'}
...
localhost> lua k,v = box.space[16].index[1]:next(k)
---
...
localhost> lua print(k, " ", v)
---
userdata: 0x41544568 'd': {'d', 'd'}
...
localhost> lua k,v = box.space[16].index[1]:next(k)
---
...
localhost> lua print(k, " ", v)
---
userdata: 0x41544568 'e': {'e', 'e'}
...
localhost> lua k,v = box.space[16].index[1]:next(k)
---
...
localhost> lua print(k, " ", v)
---
nil nil
...
localhost> quit
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