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Examples:
* Wikidata and dblp
* Wikidata and openstreetmap
* Wikidata Graph Split
* Further examples as per https://phabricator.wikimedia.org/T197530#8884556
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## Goal-State/What/Result
Queries involving a single table in a federated query engine pushes through the entire query to that engine, and no work is done in DataFusion to the results. Logically th…
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**Describe the bug**
I wanna to query my oxigraph joined with DBpedia.
if I do the query:
```sparql
PREFIX rdfs:
PREFIX ebucoreplus:
SELECT * WHERE {
?sub ebucoreplus:agentDbpedia ?agen…
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### Library name and version
Azure.Storage.Blob
### Query/Question
Hello!
Given an Azure Entra App Id with federated credentials, how do I properly create it and use it to connect into AzureStor…
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Hey. We would like to have [node query & node ID support](https://graphql.org/learn/global-object-identification/).
Our use case is that our frontend uses relay-specific features and wants generic …
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4 of the Jena Federated tests have failed.
http://172.17.0.2/sparql reports Error 503 Backend fetch failed.
It accesses two other endpoints: http://172.17.0.4/sparql and http://172.17.0.4/sparql, an…
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## Description
Currently, federated queries are possible only against a single `conn`. The `db`s that need to respond to the query (i.e. named via `from` or `fromNamed`) are loaded internally against…
aaj3f updated
1 month ago
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Currently, Gravitino playground support Jupyter notebook, We can add a new notebook to explain how to use Trino to federation query mysql, postgres and hive, like this, http://github.com/datastrato/gr…
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**Feature Background**
A great addition for WrenAI would be to integrate Trino as a supported data source.
Trino is a very common query engine for running distributed analytical queries over vari…
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```
create TABLE t1_with_uuid (
id uuid,
value utf8,
data Bytes,
PRIMARY key (value)
);
```
```
Error: Scheme operations cannot be executed inside transaction
```