| Bug #58084 | Reserve two bits in MRR range flags | ||
|---|---|---|---|
| Submitted: | 9 Nov 2010 13:51 | Modified: | 28 Mar 2012 11:56 |
| Reporter: | Magnus Blåudd | Email Updates: | |
| Status: | Closed | Impact on me: | |
| Category: | MySQL Server | Severity: | S3 (Non-critical) |
| Version: | 5.5.7-rc | OS: | Any |
| Assigned to: | Magnus Blåudd | CPU Architecture: | Any |
| Tags: | SEAGULL | ||
[9 Nov 2010 13:54]
Bugs System
A patch for this bug has been committed. After review, it may be pushed to the relevant source trees for release in the next version. You can access the patch from: http://lists.mysql.com/commits/123262
[28 Mar 2012 11:56]
Magnus Blåudd
Closing this since we've adapted to new mrr interface
Description: Reserve two bits in MRR range flags for MySQL Cluster internal use. 1) READ_KEY_FROM_RANGE which is set when read before write removal detects that read is just "memcpy" of the current key 2) EMPTY_RANGE which is set as a state flag to indicate on next call that there are no more records in this range, try next if any. How to repeat: . Suggested fix: 5.5$ bzr diff === modified file 'include/my_base.h' --- include/my_base.h 2010-05-31 15:29:54 +0000 +++ include/my_base.h 2010-11-09 13:49:34 +0000 @@ -523,6 +523,8 @@ enum data_file_type { #define NULL_RANGE 64 #define GEOM_FLAG 128 #define SKIP_RANGE 256 +#define READ_KEY_FROM_RANGE 512 /* Reserved for MySQL Cluster internal use */ +#define EMPTY_RANGE 1024 /* Reserved for MySQL Cluster internal use */ typedef struct st_key_range {