diff options
Diffstat (limited to 'sql/table.h')
| -rw-r--r-- | sql/table.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/sql/table.h b/sql/table.h index b978484158b..39faa8b9765 100644 --- a/sql/table.h +++ b/sql/table.h @@ -1340,7 +1340,7 @@ public: bool add_tmp_key(uint key, uint key_parts, uint (*next_field_no) (uchar *), uchar *arg, bool unique); - void create_key_part_by_field(KEY *keyinfo, KEY_PART_INFO *key_part_info, + void create_key_part_by_field(KEY_PART_INFO *key_part_info, Field *field, uint fieldnr); void use_index(int key_to_save); void set_table_map(table_map map_arg, uint tablenr_arg) @@ -1374,6 +1374,10 @@ public: } bool update_const_key_parts(COND *conds); + + my_ptrdiff_t default_values_offset() const + { return (my_ptrdiff_t) (s->default_values - record[0]); } + uint actual_n_key_parts(KEY *keyinfo); ulong actual_key_flags(KEY *keyinfo); int update_default_fields(); @@ -1537,6 +1541,8 @@ typedef struct st_schema_table #define DT_PHASES_MATERIALIZE (DT_COMMON | DT_MATERIALIZE) #define VIEW_ALGORITHM_UNDEFINED 0 +/* Special value for ALTER VIEW: inherit original algorithm. */ +#define VIEW_ALGORITHM_INHERIT DTYPE_VIEW #define VIEW_ALGORITHM_MERGE (DTYPE_VIEW | DTYPE_MERGE) #define VIEW_ALGORITHM_TMPTABLE (DTYPE_VIEW | DTYPE_MATERIALIZE) @@ -2079,6 +2085,24 @@ struct TABLE_LIST TABLE_LIST *find_underlying_table(TABLE *table); TABLE_LIST *first_leaf_for_name_resolution(); TABLE_LIST *last_leaf_for_name_resolution(); + /** + @brief + Find the bottom in the chain of embedded table VIEWs. + + @detail + This is used for single-table UPDATE/DELETE when they are modifying a + single-table VIEW. + */ + TABLE_LIST *find_table_for_update() + { + TABLE_LIST *tbl= this; + while(!tbl->is_multitable() && tbl->single_table_updatable() && + tbl->merge_underlying_list) + { + tbl= tbl->merge_underlying_list; + } + return tbl; + } TABLE *get_real_join_table(); bool is_leaf_for_name_resolution(); inline TABLE_LIST *top_table() |