diff options
Diffstat (limited to 'sql/table.h')
| -rw-r--r-- | sql/table.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/sql/table.h b/sql/table.h index f95be1fcccb..86dd30dff68 100644 --- a/sql/table.h +++ b/sql/table.h @@ -204,6 +204,58 @@ struct st_table { }; +typedef struct st_foreign_key_info +{ + LEX_STRING *forein_id; + LEX_STRING *referenced_db; + LEX_STRING *referenced_table; + LEX_STRING *constraint_method; + List<LEX_STRING> foreign_fields; + List<LEX_STRING> referenced_fields; +} FOREIGN_KEY_INFO; + + +enum enum_schema_tables +{ + SCH_SCHEMATA= 0, SCH_TABLES, SCH_COLUMNS, SCH_CHARSETS, SCH_COLLATIONS, + SCH_COLLATION_CHARACTER_SET_APPLICABILITY, SCH_PROCEDURES, SCH_STATISTICS, + SCH_VIEWS, SCH_USER_PRIVILEGES, SCH_SCHEMA_PRIVILEGES, SCH_TABLE_PRIVILEGES, + SCH_COLUMN_PRIVILEGES, SCH_TABLE_CONSTRAINTS, SCH_KEY_COLUMN_USAGE, + SCH_TABLE_NAMES +}; + + +typedef struct st_field_info +{ + const char* field_name; + uint field_length; + enum enum_field_types field_type; + int value; + bool maybe_null; + bool utf8; + const char* old_name; +} ST_FIELD_INFO; + +struct st_table_list; +typedef class Item COND; + +typedef struct st_schema_table +{ + const char* table_name; + ST_FIELD_INFO *fields_info; + /* Create information_schema table */ + TABLE *(*create_table) (THD *thd, struct st_schema_table *schema_table); + /* Fill table with data */ + int (*fill_table) (THD *thd, struct st_table_list *tables, COND *cond); + /* Handle fileds for old SHOW */ + int (*old_format) (THD *thd, struct st_schema_table *schema_table); + int (*process_table) (THD *thd, struct st_table_list *tables, + TABLE *table, int res, const char *base_name, + const char *file_name); + int idx_field1, idx_field2; +} ST_SCHEMA_TABLE; + + #define JOIN_TYPE_LEFT 1 #define JOIN_TYPE_RIGHT 2 @@ -252,6 +304,8 @@ typedef struct st_table_list */ st_table_list *correspondent_table; st_select_lex_unit *derived; /* SELECT_LEX_UNIT of derived table */ + ST_SCHEMA_TABLE *schema_table; /* Information_schema table */ + st_select_lex *schema_select_lex; /* link to select_lex where this table was used */ st_select_lex *select_lex; st_lex *view; /* link on VIEW lex for merging */ |