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https://dev.mysql.com/doc/internals/en/guided-tour-skeleton.html
We threw away the error checks, the side paths, the optional code, and the variables. Walking Through The Server Code: /sql/sql_parse.cc handle_one_connection(THD *thd) { init_sql_alloc(&thd->mem_root, MEM_ROOT_BLOCK_SIZE, MEM_ROOT_PREALLOC); while ... And now we're going to walk through something harder, namely the ...
https://dev.mysql.com/doc/ndbapi/en/mccj-clusterj-clusterjtableexception.html
This includes "Table Not Found" with no associated errors, as when Cluster/J attempts to get metadata for a named table, but the named table is not defined in NDB, and no other errors are reported. It also includes "Table Not Found" with some ...
https://dev.mysql.com/doc/relnotes/connector-cpp/en/news-8-0-16.html
If connection attributes are not specified in a valid way, an error occurs and the connection attempt fails. (WL #12495) X DevAPI for C Notes The signatures for several X DevAPI for C functions have been changed to enable better error information to ...Connector/C++ now supports all Unicode character sets for older servers, including utf8mb4, utf16, utf16le, utf32, and ...
https://dev.mysql.com/doc/relnotes/connector-python/en/news-8-0-14.html
(WL #12607) The count() method's error message was unclear when the table or collection was missing. (Bug #28992304) Improved error handling for classic protocol connections using the X protocol port. (Bug #28962337, WL #12240) Attempting to connect ... Functionality Added or Changed Bugs Fixed Functionality Added or Changed A default schema name can now be defined from the connection ...
https://dev.mysql.com/doc/refman/9.7/en/audit-log-filter-definitions.html
For an event that cannot be blocked, the audit log writes a warning to the error log rather than blocking it. For attempts to define a filter in which the abort item appears elsewhere than in an event item, an error occurs. Table 8.40 ... Important ...
https://dev.mysql.com/doc/refman/9.7/en/create-user.html
CREATE USER fails with an error if any account to be created is named as the DEFINER attribute for any stored object. (That is, the statement fails if creating an account would cause the account to adopt a currently orphaned stored object.) To ...
https://dev.mysql.com/doc/refman/9.7/en/data-directory-initialization.html
Note The server writes any messages (including any initial password) to its standard error output. This may be redirected to the error log, so look there if you do not see the messages on your screen. For information about the error log, including ... After MySQL is installed, the data directory must be initialized, including the tables in the mysql system schema: For some MySQL installation methods, data directory initialization is automatic, as described in Section 2.9, “Postinstallation Setup and ...
https://dev.mysql.com/doc/refman/9.7/en/gis-general-property-functions.html
If any geometry argument is not a syntactically well-formed geometry, an ER_GIS_INVALID_DATA error occurs. If any geometry argument is a syntactically well-formed geometry in an undefined spatial reference system (SRS), an ER_SRS_NOT_FOUND error ...
https://dev.mysql.com/doc/refman/9.7/en/gis-point-property-functions.html
If any geometry argument is a valid geometry but not a Point object, an ER_UNEXPECTED_GEOMETRY_TYPE error occurs. If any geometry argument is not a syntactically well-formed geometry, an ER_GIS_INVALID_DATA error occurs. If any geometry argument is ... A Point consists of X and Y coordinates, which may be obtained using the ST_X() and ST_Y() functions, ...
https://dev.mysql.com/doc/refman/9.7/en/group-replication-system-variables.html
group_replication_exit_state_action configures how Group Replication behaves when this server instance leaves the group unintentionally, for example after encountering an applier error, or in the case of a loss of majority, or when another member of ... This section lists the system variables that are specific to the Group Replication ...