sphinxsearchHow can I use Sphinx Search to join multiple indexes?

Sphinx Search can be used to join multiple indexes by using its distributed indexes feature. This feature allows a single search query to be executed across multiple indexes.

For example, the following code will join two indexes, index_a and index_b:

SELECT * FROM index_a
JOIN index_b
USING (id)

The code consists of the following parts:

1. SELECT * - this will return all columns from the joined indexes.
2. FROM index_a - this is the first index to be joined.
3. JOIN index_b - this is the second index to be joined.
4. USING (id) - this is the column to be used for the join.

For more information on distributed indexes, please see the Sphinx documentation.

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