Lazy loading for maps
---------------------
Key: GORA-34
URL: https://issues.apache.org/jira/browse/GORA-34
Project: Gora
Issue Type: Improvement
Components: storage-hbase
Reporter: Yves Langisch
I mainly use a big map for each row in my hbase project. So my avro schema
looks as follows:
{
"type": "record",
"name": "Request",
"namespace": "ch.test.generated",
"fields" : [
{
"name": "data",
"type": {
"type": "map",
"values": "long"
}
}
]
}
As far as I could see the whole map is read from hbase whenever I get a row.
Since I'm adding many map entries over time I would like to see some kind of
lazy loading when accessing the map. A good place to specify this behavior
would be the mapping file:
<gora-orm>
<class name="ch.test.generated.Request" keyClass="java.lang.Long"
table="RequestLog">
<field name="data" family="dimension" lazy="true"/>
</class>
</gora-orm>
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