Skip to content
Projects
Groups
Snippets
Help
Loading...
Help
Support
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
M
MariaDB
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
0
Issues
0
List
Boards
Labels
Milestones
Merge Requests
0
Merge Requests
0
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Analytics
Analytics
CI / CD
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
nexedi
MariaDB
Commits
4646c844
Commit
4646c844
authored
Dec 13, 2001
by
unknown
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
Formatting fixups in query cache section.
parent
00c90e00
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
23 additions
and
22 deletions
+23
-22
Docs/manual.texi
Docs/manual.texi
+23
-22
No files found.
Docs/manual.texi
View file @
4646c844
...
...
@@ -34695,17 +34695,17 @@ transaction cause the corresponding cache entries to be invalidated.
A query cannot be cached if it contains one of the functions:
@multitable @columnfractions .25 .25 .25 .25
@item @strong{Function} @tab @strong{Function}
@tab @strong{Function} @tab @strong{Function}
@tab @strong{Function} @tab @strong{Function}
@item @code{User Defined Functions} @tab @code{CONNECTION_ID}
@tab @code{FOUND_ROWS} @tab @code{GET_LOCK}
@tab @code{FOUND_ROWS} @tab @code{GET_LOCK}
@item @code{RELEASE_LOCK} @tab @code{LOAD_FILE}
@tab @code{MASTER_POS_WAIT} @tab @code{NOW}
@tab @code{MASTER_POS_WAIT} @tab @code{NOW}
@item @code{SYSDATE} @tab @code{CURRENT_TIMESTAMP}
@tab @code{CURDATE} @tab @code{CURRENT_DATE}
@tab @code{CURDATE} @tab @code{CURRENT_DATE}
@item @code{CURTIME} @tab @code{CURRENT_TIME}
@tab @code{DATABASE} @tab @code{ENCRYPT} (with one parameter)
@tab @code{DATABASE} @tab @code{ENCRYPT} (with one parameter)
@item @code{LAST_INSERT_ID} @tab @code{RAND}
@tab @code{UNIX_TIMESTAMP} (without parameters) @tab @code{USER}
@tab @code{UNIX_TIMESTAMP} (without parameters) @tab @code{USER}
@item @code{BENCHMARK}
@end multitable
...
...
@@ -34738,6 +34738,7 @@ If this is 0, the query cache is disabled (default).
@item @code{query_cache_startup_type}
This may be set (only numeric) to
@multitable @columnfractions .3 .7
@item @strong{Option} @tab @strong{Description}
@item 0 @tab (OFF, don't cache or retrieve results)
@item 1 @tab (ON, cache all results except @code{SELECT SQL_NO_CACHE ...} queries)
@item 2 @tab (DEMAND, cache only @code{SELECT SQL_CACHE ...} queries)
...
...
@@ -34771,16 +34772,15 @@ specified in a @code{SELECT} query:
@findex SQL_CACHE
@findex SQL_NO_CACHE
@itemize
@multitable @columnfractions .3 .7
@item @strong{Option} @tab @strong{Description}
@item @code{SQL_CACHE}
If @code{SQL_QUERY_CACHE_TYPE} is @code{DEMAND},
allow the query to be cached.
If @code{SQL_QUERY_CACHE_TYPE} is @code{ON}, this is the default.
If @code{SQL_QUERY_CACHE_TYPE} is @code{OFF}, do nothing.
@tab If @code{SQL_QUERY_CACHE_TYPE} is @code{DEMAND}, allow the query to be cached.
If @code{SQL_QUERY_CACHE_TYPE} is @code{ON}, this is the default.
If @code{SQL_QUERY_CACHE_TYPE} is @code{OFF}, do nothing.
@item @code{SQL_NO_CACHE}
Make this query non-cachable, don't allow this query to be stored
in the cache.
@end itemize
@tab Make this query non-cachable, don't allow this query to be stored in the cache.
@end multitable
@node Query Cache Status and Maintenance, , Query Cache in SELECT, Query Cache
...
...
@@ -34796,19 +34796,20 @@ query cache.
You can monitor query cache performance in @code{SHOW STATUS}:
@itemize
@multitable @columnfractions .3 .7
@item @strong{Variable} @tab @strong{Description}
@item @code{Qcache_queries_in_cache}
Number of queries registered in the cache.
@tab
Number of queries registered in the cache.
@item @code{Qcache_inserts}
Number of queries added to the cache.
@tab
Number of queries added to the cache.
@item @code{Qcache_hits}
Number of cache hits
@tab
Number of cache hits
@item @code{Qcache_not_cached}
Number of non-cached queries
(not cachable, or due to SQL_QUERY_CACHE_TYPE)
@tab
Number of non-cached queries
(not cachable, or due to SQL_QUERY_CACHE_TYPE)
@item @code{Qcache_free_memory}
Amount of free memory for query cache.
@end
itemiz
e
@tab
Amount of free memory for query cache.
@end
multitabl
e
Please note:
Total number of queries =
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment