Fredrick Eisele created TINKERPOP-2674:
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Summary: `as('a')` step followed by `select('a')` not behaving as
expected
Key: TINKERPOP-2674
URL: https://issues.apache.org/jira/browse/TINKERPOP-2674
Project: TinkerPop
Issue Type: Bug
Components: tinkergraph
Affects Versions: 3.5.1
Reporter: Fredrick Eisele
The inclusion of the `select()` step changes the result when it should not.
Steps to replicate.
Given a graph:
```groovy
g.addV('[avm]Design').as('root').
property('VertexLabel','[avm]Design').
property('uuid','SRC_UUID').
property('[]Name', 'Axe').
addV('[]RootContainer').as('rc').
property('VertexLabel','[]RootContainer').
property('[]Name','Axe').
addV('[]Property').as('p1').
property('VertexLabel','[]Property').
property('[]XPosition','56').
addV('[]Value').as('v1').
property('VertexLabel','[]Value').
property('[]stuff','12').
addV('[]Property').as('p2').
property('VertexLabel','[]Property').
property('[]XPosition','80').
addV('[]Value').as('v2').
property('VertexLabel','[]Value').
property('[]stuff','90').
addE('inside').from('rc').to('root').
addE('inside').from('p1').to('rc').
addE('inside').from('v1').to('p1').
addE('inside').from('p2').to('rc').
addE('inside').from('v2').to('p2').
iterate()
```
The following two queries produce different results.
This first query produces a list of all the vertices with the exception of 'r0'.
```groovy
g.V().
has('[avm]Design', 'uuid', 'SRC_UUID').as('r0').
repeat(__.in('inside').simplePath()).
emit().
until(__.in('inside').count().is(0)).
toList()
```
The addition of the `select('r0')` step in this query causes no vertices to be
returned.
```groovy
g.V().
has('[avm]Design', 'uuid', 'SRC_UUID').as('r0').
select('r0').
repeat(__.in('inside').simplePath()).
emit().
until(__.in('inside').count().is(0)).
toList()
```
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