MuhammadTahaNaveed commented on PR #2347:
URL: https://github.com/apache/age/pull/2347#issuecomment-4287504456
@gregfelice I have found couple of crashes, probably pointing to same issue.
```
pr2347=# SELECT * FROM cypher('test', $$
MATCH (a:test {id:1})
MERGE (b:test {id: 2})
ON CREATE SET b.x = a.id
$$) as (a agtype);
server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
The connection to the server was lost. Attempting reset: Failed.
The connection to the server was lost. Attempting reset: Failed.
```
```
pr2347=# SELECT * FROM cypher('test', $$
UNWIND [1, 2] AS i
MERGE (n:test {id: i})
ON CREATE SET n.new_id = n.id
RETURN n.id, n.new_id
$$) as (a agtype);
server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
The connection to the server was lost. Attempting reset: Failed.
The connection to the server was lost. Attempting reset: Failed.
```
Also, there's a warning in the build:
```
src/backend/executor/cypher_set.c: In function ‘apply_update_list’:
src/backend/executor/cypher_set.c:565:34: warning: ‘new_property_value’ may
be used uninitialized in this function [-Wmaybe-uninitialized]
565 | altered_properties =
alter_property_value(original_properties,
|
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
566 |
update_item->prop_name,
|
~~~~~~~~~~~~~~~~~~~~~~~
567 |
new_property_value,
|
~~~~~~~~~~~~~~~~~~~
568 |
remove_property);
|
~~~~~~~~~~~~~~~~
```
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