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InnoDB is the default storage engine for Drizzle. It is a fully
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transactional MVCC storage engine.
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The Innobase plugin provides the InnoDB storage engine. It is almost identical
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to the innodb_plugin, but adapted to Drizzle. We plan to move to having InnoDB
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provided by the HailDB plugin, which will allow for easier maintenance and
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InnoDB is the default storage engine for Drizzle. It is a fully transactional
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We maintain the Innobase plugin in Drizzle as a downstream project of the
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innodb_plugin for MySQL. We try and keep it up to date with innodb_plugin
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Differences from innodb_plugin
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------------------------------
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* AUTO_INCREMENT behaves the standard way (as in MyISAM)
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* Supports four byte UTF-8 with the same index size
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Compatibility with MySQL
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------------------------
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Although the innobase plugin is near identical to the innodb_plugin in MySQL,
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the on disk formats are slightly incompatible (to allow for the same index
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length for the four byte UTF-8 that Drizzle supports) and the table definitions
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(FRM for MySQL, .dfe for Drizzle) are completely different. This means that you
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cannot directly share InnoDB tablespaces between MySQL and Drizzle. Use the
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drizzledump tool to migrate data from MySQL to Drizzle.
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plugin/innobase/docs/index.rst
