diff options
Diffstat (limited to 'sql/item.h')
| -rw-r--r-- | sql/item.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sql/item.h b/sql/item.h index 4732a1a4657..6c0d3138b62 100644 --- a/sql/item.h +++ b/sql/item.h @@ -471,6 +471,16 @@ typedef enum monotonicity_info class sp_rcontext; +class Item_equal; + +struct st_join_table* const NO_PARTICULAR_TAB= (struct st_join_table*)0x1; + +typedef struct replace_equal_field_arg +{ + Item_equal *item_equal; + struct st_join_table *context_tab; +} REPLACE_EQUAL_FIELD_ARG; + class Settable_routine_parameter { public: @@ -1283,6 +1293,7 @@ public: virtual Item *equal_fields_propagator(uchar * arg) { return this; } virtual bool set_no_const_sub(uchar *arg) { return FALSE; } + /* arg points to REPLACE_EQUAL_FIELD_ARG object */ virtual Item *replace_equal_field(uchar * arg) { return this; } /* Check if an expression value has allowed arguments, like DATE/DATETIME |