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Merge branch '10.4' into 10.5

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This commit is contained in:
Sergei Golubchik
2020-05-09 20:43:36 +02:00
parent 72c7b4eb4c f5844e7c4b
commit 13038e4705
100 changed files with 1571 additions and 289 deletions
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45
include/my_compare.h
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@@ -128,31 +128,32 @@ extern HA_KEYSEG *ha_find_null(HA_KEYSEG *keyseg, const uchar *a);
#endif
/**
Return values of index_cond_func_xxx functions.
Return values for pushed index condition or rowid filter check functions.
0=ICP_NO_MATCH - index tuple doesn't satisfy the pushed index condition (the
engine should discard the tuple and go to the next one)
1=ICP_MATCH - index tuple satisfies the pushed index condition (the
engine should fetch and return the record)
2=ICP_OUT_OF_RANGE - index tuple is out range that we're scanning, e.g. this
if we're scanning "t.key BETWEEN 10 AND 20" and got a
"t.key=21" tuple (the engine should stop scanning and
return HA_ERR_END_OF_FILE right away).
3=ICP_ABORTED_BY_USER - engine must stop scanning and should return
HA_ERR_ABORTED_BY_USER right away
-1= ICP_ERROR - Reserved for internal errors in engines. Should not be
returned by index_cond_func_xxx
0=CHECK_NEG - The filter is not satisfied. The engine should discard this
index tuple and continue the scan.
1=CHECK_POS - The filter is statisfied. Current index tuple should be
returned to the SQL layer.
2=CHECK_OUT_OF_RANGE - the index tuple is outside of the range that we're
scanning. (Example: if we're scanning "t.key BETWEEN 10 AND
20" and got a "t.key=21" tuple) Tthe engine should stop
scanning and return HA_ERR_END_OF_FILE right away).
3=CHECK_ABORTED_BY_USER - the engine must stop scanning and should return
HA_ERR_ABORTED_BY_USER right away
-1=CHECK_ERROR - Reserved for internal errors in engines. Should not be
returned by ICP or rowid filter check functions.
*/
typedef enum icp_result {
ICP_ERROR=-1,
ICP_NO_MATCH=0,
ICP_MATCH=1,
ICP_OUT_OF_RANGE=2,
ICP_ABORTED_BY_USER=3
} ICP_RESULT;
typedef enum check_result {
CHECK_ERROR=-1,
CHECK_NEG=0,
CHECK_POS=1,
CHECK_OUT_OF_RANGE=2,
CHECK_ABORTED_BY_USER=3
} check_result_t;
typedef ICP_RESULT (*index_cond_func_t)(void *param);
typedef int (*rowid_filter_func_t)(void *param);
typedef check_result_t (*index_cond_func_t)(void *param);
typedef check_result_t (*rowid_filter_func_t)(void *param);
typedef int (*rowid_filter_is_active_func_t)(void *param);
#endif /* _my_compare_h */