@@ -1358,6 +1358,11 @@ streams and data at rest in other data stores.
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Hazelcast platform. In order for the client and the server to be fully
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compatible with each other, their major versions must be the same.
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+ .. warning ::
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+ You cannot run SQL queries on lite members. This limitation will be removed
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+ in future releases.
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+
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Supported Queries
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~~~~~~~~~~~~~~~~~
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@@ -1423,6 +1428,12 @@ with a filter on it. In SQL, a stream is like a table with infinitely many rows
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which you can only access sequentially and thus never reach the end. For
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example, you will get an error if you try to aggregate the whole stream.
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+ .. tip ::
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+ For a tutorial on building a data pipeline with a streaming query, see
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+ `Get Started with SQL Pipelines
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+ <https://docs.hazelcast.com/hazelcast/latest/pipelines/learn-sql.html> `__.
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**Federated Queries **
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Federated queries are those that join tables from different datasets. Normally,
@@ -1610,7 +1621,7 @@ fields depends on the serialization format, as described below:
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objects, the object is deserialized if needed and then analyzed using the
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reflection mechanism (on the server-side). Only public fields and getters
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are taken into account. See the `IMDG Reference Manual
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- <https://docs.hazelcast.com/imdg /latest/sql /querying-imap .html#key-and-value -fields> `__
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+ <https://docs.hazelcast.com/hazelcast /latest/query /querying-maps-sql .html#querying-object -fields> `__
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for details.
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Consider the ``Employee `` class from the example above; the SQL service can
@@ -1639,7 +1650,7 @@ using `CREATE MAPPING
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statement.
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For example, this code snippet creates a mapping to a new map called
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- ``my_map ``, which stores the JSON values ``name `` and ``salary `` and query
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+ ``employees ``, which stores the JSON values ``name `` and ``salary `` and query
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it:
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.. code :: python
@@ -1740,7 +1751,7 @@ Available connectors are:
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Read from and write to Kafka topics.
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- `File
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<https://docs.hazelcast.com/hazelcast/latest/sql/file-connector.html> `__:
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- Read from a https://docs.hazelcast.com/hazelcast/latest/sql/connectors.htmllocal or remote file.
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+ Read from a local or remote file.
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- `IMap
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<https://docs.hazelcast.com/hazelcast/latest/sql/imap-connector.html> `__:
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Read from and write to an IMap.
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