diff options
Diffstat (limited to 'storage/innobase/include/row0mysql.h')
| -rw-r--r-- | storage/innobase/include/row0mysql.h | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/storage/innobase/include/row0mysql.h b/storage/innobase/include/row0mysql.h index 7c0b5d3ece9..b93dab3ab11 100644 --- a/storage/innobase/include/row0mysql.h +++ b/storage/innobase/include/row0mysql.h @@ -879,6 +879,38 @@ struct SysIndexCallback { virtual void operator()(mtr_t* mtr, btr_pcur_t* pcur) throw() = 0; }; +/** Purge virtual column node information. */ +struct purge_vcol_info_t { + + /** Used for virtual column computation. */ + bool use_vcol; + /** mariadb table opened for virtual column computation. */ + TABLE* mariadb_table; + + /** Initialize the virtual column information. */ + void initialize() { + use_vcol = false; + mariadb_table = NULL; + } + + bool is_table_exists() { + return mariadb_table != NULL; + } + + bool uses_vcol_info() { + return use_vcol == true; + } + + /** Validate the virtual column information. */ + bool validate() { + if (!use_vcol) { + return true; + } + + return mariadb_table != NULL; + } +}; + /** Get the computed value by supplying the base column values. @param[in,out] row the data row @param[in] col virtual column @@ -892,6 +924,8 @@ struct SysIndexCallback { or NULL. @param[in] parent_update update vector for the parent row @param[in] foreign foreign key information +@param[in,out] vcol_info virtual column information used by + purge thread @return the field filled with computed value */ dfield_t* innobase_get_computed_value( @@ -905,7 +939,8 @@ innobase_get_computed_value( TABLE* mysql_table, const dict_table_t* old_table, upd_t* parent_update, - dict_foreign_t* foreign); + dict_foreign_t* foreign, + purge_vcol_info_t* vcol_info=NULL); /** Get the computed value by supplying the base column values. @param[in,out] table the table whose virtual column template to be built */ |