MySQL  8.0.17
Source Code Documentation
dictionary.h File Reference

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Classes

class  dd::Dictionary
 Main interface class enabling users to operate on data dictionary. More...
 

Namespaces

 dd
 The version of the current data dictionary table definitions.
 
 dd::cache
 

Functions

bool dd::acquire_shared_table_mdl (THD *thd, const char *schema_name, const char *table_name, bool no_wait, MDL_ticket **out_mdl_ticket)
 Acquire shared metadata lock on the given table name with explicit duration. More...
 
bool dd::has_shared_table_mdl (THD *thd, const char *schema_name, const char *table_name)
 Predicate to check if we have a shared meta data lock on the submitted schema qualified table name. More...
 
bool dd::has_exclusive_table_mdl (THD *thd, const char *schema_name, const char *table_name)
 Predicate to check if we have an exclusive meta data lock on the submitted schema qualified table name. More...
 
bool dd::acquire_exclusive_tablespace_mdl (THD *thd, const char *tablespace_name, bool no_wait, MDL_ticket **ticket=nullptr, bool for_trx=true)
 Acquire an exclusive metadata lock on the given tablespace name with transaction duration. More...
 
bool dd::acquire_shared_tablespace_mdl (THD *thd, const char *tablespace_name, bool no_wait, MDL_ticket **ticket=nullptr, bool for_trx=true)
 Acquire a shared metadata lock on the given tablespace name with transaction duration. More...
 
bool dd::has_shared_tablespace_mdl (THD *thd, const char *tablespace_name)
 Predicate to check if we have a shared meta data lock on the submitted tablespace name. More...
 
bool dd::has_exclusive_tablespace_mdl (THD *thd, const char *tablespace_name)
 Predicate to check if we have an exclusive meta data lock on the submitted tablespace name. More...
 
bool dd::acquire_exclusive_table_mdl (THD *thd, const char *schema_name, const char *table_name, bool no_wait, MDL_ticket **out_mdl_ticket)
 Acquire exclusive metadata lock on the given table name with TRANSACTIONAL duration. More...
 
bool dd::acquire_exclusive_table_mdl (THD *thd, const char *schema_name, const char *table_name, unsigned long int lock_wait_timeout, MDL_ticket **out_mdl_ticket)
 Acquire exclusive metadata lock on the given table name with TRANSACTIONAL duration. More...
 
bool dd::acquire_exclusive_schema_mdl (THD *thd, const char *schema_name, bool no_wait, MDL_ticket **out_mdl_ticket)
 Acquire exclusive metadata lock on the given schema name with explicit duration. More...
 
void dd::release_mdl (THD *thd, MDL_ticket *mdl_ticket)
 Release MDL_EXPLICIT lock held by a ticket. More...
 
cache::Dictionary_client * dd::get_dd_client (THD *thd)
 Get Dictionary_client from THD object (the latter is opaque * in SEs). More...
 
bool dd::create_native_table (THD *thd, const Plugin_table *pt)
 Create plugin native table. More...
 
bool dd::drop_native_table (THD *thd, const char *schema_name, const char *table_name)
 Remove plugin native table from DD. More...
 
bool dd::reset_tables_and_tablespaces ()
 Reset the tables and tablespace partitions in the DD cache, and invalidate the entries in the DDSE cache. More...
 
bool dd::commit_or_rollback_tablespace_change (THD *thd, dd::Tablespace *space, bool error, bool release_mdl_on_commit_only=false)
 Update a tablespace change, commit and release transactional MDL. More...
 
template<typename Entity_object_type >
const Object_table & dd::get_dd_table ()
 Get the Object_table instance storing the given entity object type. More...
 
void dd::rename_tablespace_mdl_hook (THD *thd, MDL_ticket *src, MDL_ticket *dst)
 Implicit tablespaces are renamed inside SE. More...