Search Results
https://dev.mysql.com/doc/internals/en/innodb-infimum-and-supremum-records.html
An infimum is Greatest Lower Bound (GLB), so it is lower than the lowest possible key value. A supremum is the Least Upper Bound (LUB), so it is greater than the greatest possible key value. Initially, they both exist on the root page, but as the ...
https://dev.mysql.com/doc/internals/en/optimizer-constants-constant-tables.html
A MySQL constant is something more than a mere literal in the query. unique_not_null_column INT NOT NULL UNIQUE then this expression FROM Table1 ... These rules mean that a constant table has at most one row value. MySQL will evaluate a constant ...
https://dev.mysql.com/doc/internals/en/position.html
If it is a primary key, then it needs to be a primary key. Purpose Provide the MySQL server with position/offset information for last-read row. Synopsis virtual void position ( record); const byte * record ; Description This is the position method.
https://dev.mysql.com/doc/internals/en/query-event.html
Post-header 4 slave_proxy_id 4 execution time 1 schema length 2 error-code if binlog-version ≥ 4: 2 status-vars length Payload string[$len] status-vars string[$len] schema 1 [00] string[EOF] query Fields status_vars_length (2) -- number of bytes ... Binlog::QUERY_EVENT: The query event is used to send text querys right the ...
https://dev.mysql.com/doc/internals/en/records-in-range.html
Synopsis virtual ha_rows records_in_range ( inx, min_key, max_key); uint inx ; key_range * min_key ; key_range * max_key ; Description This is the records_in_range method. Given a starting key, and an ending key estimate the number of rows that will ... Purpose For the given range how many records are estimated to be in this ...
https://dev.mysql.com/doc/internals/en/x-protocol-messages-messages.html
message Object { message ObjectField { required string key = 1; required Expr value = 2; } repeated ObjectField fld = 1; } message Mysqlx.Expr::Array An array of expressions. message Object { message ObjectField { required string key = 1; required ... Topics in this section: Message Structure Message Sequence Common Messages Connection Session Expectations CRUD SQL Result Sets Expressions Data Types This section provides detailed information about how X Protocol defines ...
https://dev.mysql.com/doc/ndbapi/en/mccj-using-clusterj-tables.html
ClusterJ's main purpose is to read, write, and update row data in an existing database, rather than to perform DDL. You can create the employee table that matches this interface, using the following CREATE TABLE statement, in a MySQL client ...
https://dev.mysql.com/doc/ndbapi/en/ndb-nodejs-examples-requirements.html
The software requirements for running the examples found in the next few sections are as follows: A working Node.js installation Working installations of the ndb and mysql-js adapters The mysql-js adapter also requires a working installation of the ...
https://dev.mysql.com/doc/relnotes/connector-cpp/en/news-8-0-11.html
(WL #11205) For connections to the server made using the legacy JDBC API (that is, not made using X DevAPI or X DevAPI for C), Connector/C++ 8.0 now supports an OPT_GET_SERVER_PUBLIC_KEY connection option that enables requesting the RSA public key ... For MySQL Connector/C++ 8.0.11 and higher, Commercial and Community distributions require the Visual C++ Redistributable for Visual Studio 2015 to work on Windows ...
https://dev.mysql.com/doc/relnotes/connector-cpp/en/news-8-0-16.html
(WL #12149) X DevAPI Notes For X DevAPI and X DevAPI for C applications, Connector/C++ now supports the ability to send connection attributes (key-value pairs that application programs can pass to the server at connect time). The ...Connector/C++ ...