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https://dev.mysql.com/doc/internals/en/support-for-insert.html
Once you have read support in your storage engine, the next feature to implement is support for INSERT statements. With INSERT support in place, your storage engine can handle WORM (write once, read many) applications such as logging and archiving ...
https://dev.mysql.com/doc/internals/en/the-myi-file.html
If all blocks have the same normal block length (1024), then MySQL will always use the same pool. A .MYI file for a MyISAM table contains the table's indexes. The .MYI file has two parts: the header information and the key values. So the next ...
https://dev.mysql.com/doc/internals/en/transformations-all-any.html
But before above transformation ability of independent ALL/ANY/SOME optimization will be checked (query is independent, operation is one of <, =<, >, >=, returning correct NULL have no sense (top level of WHERE clause) and it is not row subquery).
https://dev.mysql.com/doc/internals/en/transformations-row-in.html
To rewrite a row IN subquery, the method used is Item_in_subselect::row_value_transformer. It works in almost the same way as the scalar analog, but works with Item_cache_row for caching left expression and uses references for elements of ...
https://dev.mysql.com/doc/internals/en/update-row.html
old_data will have the previous row record in it, while new_data will have the newest data in it. Currently, new_data will not have an updated auto_increament record, or and updated timestamp field. Synopsis virtual int update_row ( old_data, ...
https://dev.mysql.com/doc/ndbapi/en/ndb-examples-scanning-basic.html
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /* * ndbapi_scan.cpp: * Illustrates how to use ... This example illustrates how to use the NDB scanning ...
https://dev.mysql.com/doc/ndbapi/en/ndb-ndbeventoperation.html
Currently, all INSERT, DELETE, and UPDATE events—as well as all attribute changes—are sent to the API, even if only some attributes have been specified. If you have received a complete epoch, events from this epoch are not re-sent, even in the ... This section provides information about the NdbEventOperation class, which is used to monitor changes (events) in a ...
https://dev.mysql.com/doc/ndbapi/en/ndb-nodejs-setup.html
Building the Connector also requires that your system have a working C++ compiler such as gcc or Microsoft Visual Studio. If you do not already have Node.js installed on your system, you can obtain it from http://nodejs.org/download/. Many Linux ...
https://dev.mysql.com/doc/ndbapi/en/ndb-table.html
Variable size attributes have a size of 12 bytes plus the actual data storage parts, with an additional overhead based on the size of the variable part. Signature void setForceVarPart ( bool force ) Parameters Use with force set to true to cause the ... This section provides information about the Table class, which models a database table in the NDB ...
https://dev.mysql.com/doc/relnotes/connector-cpp/en/news-8-0-30.html
Collation names returned by the CollationInfo::getName() method for CollationInfo members in Collation<21> have changed. Although not a breaking change, all of the new CollationInfo members, such as utf8mb4_bg_0900_ai_ci, have been added (for ...
Displaying 581 to 590 of 2701 total results