Zainab-Saad commented on issue #724:
URL: https://github.com/apache/age/issues/724#issuecomment-1454662468
This probably is not the bug rather the MATCH clause using same variable for
the two vertices should be used to match _self-loop_ on a vertex.
`MATCH(a)-[]-(a)` and `MATCH(a {prop: "value"})-[]-(a)` would work fine as they
are used for matching the _self-loop_ but `MATCH(a {prop :"value1")-[]-(a {prop
: "value2"})` or `MATCH(a {prop1 : "value1"})-[]-(a {prop2 : "value2"})` would
through an error below as they are not matching any self-loop (because the
properties are different for two vertices)
> ERROR: variable a already exists
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