Skip to content

Allow multiple :START_ID/:END_ID columns in CSV input for importer #2420

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: dev
Choose a base branch
from
Open

Allow multiple :START_ID/:END_ID columns in CSV input for importer #2420

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
13 changes: 7 additions & 6 deletions modules/ROOT/pages/import.adoc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1462,8 +1462,9 @@ Now use the previously defined ID spaces when connecting the actors to movies.
[[import-tool-multiple-ids]]
== Using multiple node IDs

A node header can also contain multiple `ID` columns, where the relationship data references the composite value of all those columns.
This also implies using `string` as `id-type`.
A node header can contain multiple `ID` columns.
The relationship data must then use a matching number of `START_ID` / `END_ID` columns as references to the composite value of those ID columns.
This implies using `string` as `id-type`.

For each `ID` column, you can specify to store its values as different node properties.
However, the composite value cannot be stored as a node property.
Expand Down Expand Up @@ -1498,13 +1499,13 @@ Now use both IDs when defining the relationship:
.relationships_header.csv
[source, csv]
----
:START_ID,:TYPE,:END_ID
:START_ID,:START_ID,:TYPE,:END_ID,:END_ID
----

.relationships.csv
[source, csv]
----
aa11,WORKS_WITH,bb22
aa,11,WORKS_WITH,bb,22
----
====

Expand Down Expand Up @@ -1532,13 +1533,13 @@ Now use the defined ID space when connecting John with Paul, and use both IDs in
.relationships_header.csv
[source, csv]
----
:START_ID(MyGroup),:TYPE,:END_ID(MyGroup)
:START_ID(MyGroup),:START_ID(MyGroup),:TYPE,:END_ID(MyGroup),:END_ID(MyGroup)
----

.relationships.csv
[source, csv]
----
aa11,WORKS_WITH,bb22
aa,11,WORKS_WITH,bb,22
----
====

Expand Down