MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.
buf_page_io_complete(): On FIL_PAGE_TYPE_ZBLOB (compressed BLOB pages),
read the space_id from a different location.
page_zip_compress(), page_zip_write_rec(), page_zip_write_blob_ptr():
Replace page_simple_validate_new() with page_validate().
page_zip_clear_rec(): When running out of log space, do not attempt to
recompress the page, because the directory slots might be unbalanced and
the page_validate() assertion in page_zip_compress() would fail.
Instead, clear the BLOB pointers of the deleted record on the
uncompressed page, so that page_zip_validate() will succeed.
page_zip_validate(): Remove the comment about page_zip_clear_rec().
A mismatch always indicates a serious inconsistency.
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