[
https://issues.apache.org/jira/browse/BEAM-6241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ahmed El.Hussaini updated BEAM-6241:
------------------------------------
Description:
h2. Adds Support to Limit Results
{code:java}
MongoDbIO.read()
.withUri("mongodb://localhost:" + port)
.withDatabase(DATABASE)
.withCollection(COLLECTION)
.withFilter("{\"scientist\":\"Einstein\"}")
.withLimit(5));{code}
h2. Adds Support to Use Aggregates
{code:java}
List<BsonDocument> aggregates = new ArrayList<BsonDocument>();
aggregates.add(
new BsonDocument(
"$match",
new BsonDocument("country", new BsonDocument("$eq", new
BsonString("England")))));
PCollection<Document> output =
pipeline.apply(
MongoDbIO.read()
.withUri("mongodb://localhost:" + port)
.withDatabase(DATABASE)
.withCollection(COLLECTION)
.withAggregate(aggregates));
{code}
was:
h2. Adds Support to Limit Results
{code:java}
MongoDbIO.read()
.withUri("mongodb://localhost:" + port)
.withDatabase(DATABASE)
.withCollection(COLLECTION)
.withFilter("{\"scientist\":\"Einstein\"}")
.withLimit(5));{code}
h2. Adds Support to User Aggregates
{code:java}
List<BsonDocument> aggregates = new ArrayList<BsonDocument>();
aggregates.add(
new BsonDocument(
"$match",
new BsonDocument("country", new BsonDocument("$eq", new
BsonString("England")))));
PCollection<Document> output =
pipeline.apply(
MongoDbIO.read()
.withUri("mongodb://localhost:" + port)
.withDatabase(DATABASE)
.withCollection(COLLECTION)
.withAggregate(aggregates));
{code}
> MongoDbIo - Add Limit and Aggregates Support
> --------------------------------------------
>
> Key: BEAM-6241
> URL: https://issues.apache.org/jira/browse/BEAM-6241
> Project: Beam
> Issue Type: Improvement
> Components: io-java-mongodb
> Affects Versions: 2.9.0
> Reporter: Ahmed El.Hussaini
> Assignee: Jean-Baptiste Onofré
> Priority: Major
> Labels: easyfix
> Fix For: 2.10.0
>
>
> h2. Adds Support to Limit Results
>
> {code:java}
> MongoDbIO.read()
> .withUri("mongodb://localhost:" + port)
> .withDatabase(DATABASE)
> .withCollection(COLLECTION)
> .withFilter("{\"scientist\":\"Einstein\"}")
> .withLimit(5));{code}
> h2. Adds Support to Use Aggregates
>
> {code:java}
> List<BsonDocument> aggregates = new ArrayList<BsonDocument>();
> aggregates.add(
> new BsonDocument(
> "$match",
> new BsonDocument("country", new BsonDocument("$eq", new
> BsonString("England")))));
> PCollection<Document> output =
> pipeline.apply(
> MongoDbIO.read()
> .withUri("mongodb://localhost:" + port)
> .withDatabase(DATABASE)
> .withCollection(COLLECTION)
> .withAggregate(aggregates));
> {code}
>
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