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MRR interface: change range_info's type from char* to range_id_t typedef. The goals are:

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- cleaner code
- ability to change from using pointers to offsets at some point
This commit is contained in:
Sergey Petrunya
2011-03-04 12:06:03 +03:00
parent cdd214de1c
commit e6bd643c75
13 changed files with 52 additions and 48 deletions
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8
sql/handler.h
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@@ -1218,7 +1218,7 @@ typedef struct st_range_seq_if
out from the stream of records returned by multi_range_read_next()
0 - The record shall be left in the stream
*/
bool (*skip_record) (range_seq_t seq, char *range_info, uchar *rowid);
bool (*skip_record) (range_seq_t seq, range_id_t range_info, uchar *rowid);
/*
Check if the record combination matches the index condition
@@ -1231,10 +1231,10 @@ typedef struct st_range_seq_if
0 - The record combination satisfies the index condition
1 - Otherwise
*/
bool (*skip_index_tuple) (range_seq_t seq, char *range_info);
bool (*skip_index_tuple) (range_seq_t seq, range_id_t range_info);
} RANGE_SEQ_IF;
typedef bool (*SKIP_INDEX_TUPLE_FUNC) (range_seq_t seq, char *range_info);
typedef bool (*SKIP_INDEX_TUPLE_FUNC) (range_seq_t seq, range_id_t range_info);
class COST_VECT
{
@@ -1870,7 +1870,7 @@ public:
virtual int multi_range_read_init(RANGE_SEQ_IF *seq, void *seq_init_param,
uint n_ranges, uint mode,
HANDLER_BUFFER *buf);
virtual int multi_range_read_next(char **range_info);
virtual int multi_range_read_next(range_id_t *range_info);
virtual int read_range_first(const key_range *start_key,
const key_range *end_key,
bool eq_range, bool sorted);