mingfang commented on issue #1691:
URL: https://github.com/apache/age/issues/1691#issuecomment-2033504774
@jrgemignani
confirm fixed. Thank you!
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mingfang closed issue #1691: MERGE incorrectly creates multiple vertices
URL: https://github.com/apache/age/issues/1691
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jrgemignani commented on issue #1691:
URL: https://github.com/apache/age/issues/1691#issuecomment-2033277137
@mingfang This should be fixed in the master branch now. If you could verify
it, and close the ticket provided it resolves the issue, that would be great.
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mingfang commented on issue #1691:
URL: https://github.com/apache/age/issues/1691#issuecomment-2030778828
@jrgemignani Amazing. Thanks again!
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jrgemignani commented on issue #1691:
URL: https://github.com/apache/age/issues/1691#issuecomment-2030768325
@mingfang PR #1718 should address this issue once it is reviewed and merged.
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jrgemignani commented on issue #1691:
URL: https://github.com/apache/age/issues/1691#issuecomment-2028143137
@mingfang Update: I currently have a fix for this and am reviewing it,
creating test cases, and cleaning up the code. If all goes well, a PR should be
available Monday or Tuesday.
mingfang commented on issue #1691:
URL: https://github.com/apache/age/issues/1691#issuecomment-2013202968
@jrgemignani
Thanks for the update.
I appreciate all your hard work.
Thanks!
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jrgemignani commented on issue #1691:
URL: https://github.com/apache/age/issues/1691#issuecomment-2013170834
@mingfang The particular cause for this issue is hard to easily describe,
especially without getting very technical. Suffice to say, that MERGE (within
the execution of a MERGE
jrgemignani commented on issue #1691:
URL: https://github.com/apache/age/issues/1691#issuecomment-2010464674
@mingfang This is an interesting one.
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jrgemignani commented on issue #1691:
URL: https://github.com/apache/age/issues/1691#issuecomment-2004738633
Yeah, the more that I look at it, the more it appears to fall there.
Transaction bugs, though, can be a pain to fix. Especially, for merge.
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mingfang commented on issue #1691:
URL: https://github.com/apache/age/issues/1691#issuecomment-2004732935
Also this is only a problem when multiple MERGE are called in the same query.
e.g. this works as expected, only one vertex is created
```
SELECT * FROM cypher('playground', $$
mingfang commented on issue #1691:
URL: https://github.com/apache/age/issues/1691#issuecomment-2004705333
I'm sorry but I don't think that's correct.
I've tested this in neo4j and it only results in one vertex created, not two
like in AGE.
Here is the neo4j doc that speaks directly to
jrgemignani commented on issue #1691:
URL: https://github.com/apache/age/issues/1691#issuecomment-2004696804
@mingfang Yes. I was just stating that this is also the case for edges.
Vertices can have duplicate properties and edges can have duplicate properties.
Properties are not unique.
mingfang commented on issue #1691:
URL: https://github.com/apache/age/issues/1691#issuecomment-2004655129
@jrgemignani please note in my test case the problem is that there MERGE
created two vertices with the same name, and not one vertex and one edge.
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mingfang opened a new issue, #1691:
URL: https://github.com/apache/age/issues/1691
```sql
SELECT * FROM cypher('playground', $$
unwind ["foo", "foo"] as each
merge (v:TEST {name: each})
return v
$$) AS (v agtype)
```
returns
```json
[
{
"v": {
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