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nexedi
MariaDB
Commits
ec07cbdf
Commit
ec07cbdf
authored
Apr 26, 2002
by
paul@teton.kitebird.com
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manual.texi More SQL keyword capping + misc example format fixups.
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1d56eb7a
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Docs/manual.texi
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ec07cbdf
...
...
@@ -3171,7 +3171,7 @@ found and @code{row_flag} wasn't already 1 in the original row.
You can think of it as MySQL Server changed the above query to:
@example
UPDATE tbl_name SET row_flag=1 WHERE id=ID
and
row_flag <> 1;
UPDATE tbl_name SET row_flag=1 WHERE id=ID
AND
row_flag <> 1;
@end example
@end itemize
...
...
@@ -3213,7 +3213,7 @@ you want to get results from multiple tables from a @code{SELECT}
statement, you do this by joining tables:
@example
SELECT *
from table1,table2 where
table1.id = table2.id;
SELECT *
FROM table1,table2 WHERE
table1.id = table2.id;
@end example
@xref{JOIN, , @code{JOIN}}. @xref{example-Foreign keys}.
...
...
@@ -15023,7 +15023,7 @@ the @code{mysqld} daemon! To make this a bit safer, all files generated with
@code{SELECT ... INTO OUTFILE} are readable to everyone, and you cannot
overwrite existing files.
@tindex
/etc/passwd
@tindex
@file{/etc/passwd}
The @strong{file} privilege may also be used to read any file accessible
to the Unix user that the server runs as. This could be abused, for example,
by using @code{LOAD DATA} to load @file{/etc/passwd} into a table, which
...
...
@@ -15065,7 +15065,7 @@ new users with those privileges that the user has right to grant, you should
give the user the following privilege:
@example
GRANT INSERT(user) on mysql.user to
'user'@@'hostname';
mysql> GRANT INSERT(user) ON mysql.user TO
'user'@@'hostname';
@end example
This will ensure that the user can't change any privilege columns directly,
...
...
@@ -15655,7 +15655,8 @@ IP numbers, you can specify a netmask indicating how many address bits to
use for the network number. For example:
@example
GRANT ALL PRIVILEGES on db.* to david@@'192.58.197.0/255.255.255.0';
mysql> GRANT ALL PRIVILEGES ON db.*
-> TO david@@'192.58.197.0/255.255.255.0';
@end example
This will allow everyone to connect from an IP where the following is true:
...
...
@@ -16418,7 +16419,7 @@ To revoke the @strong{grant} privilege from a user, use a @code{priv_type}
value of @code{GRANT OPTION}:
@example
REVOKE GRANT OPTION ON ... FROM ...;
mysql>
REVOKE GRANT OPTION ON ... FROM ...;
@end example
The only @code{priv_type} values you can specify for a table are @code{SELECT},
...
...
@@ -17278,8 +17279,8 @@ encrypted connections. Note that this option can be omitted
if there are any ACL records which allow non-SSL connections.
@example
GRANT ALL PRIVILEGES ON test.* TO root@@localhost
IDENTIFIED BY "goodsecret" REQUIRE SSL
mysql>
GRANT ALL PRIVILEGES ON test.* TO root@@localhost
-> IDENTIFIED BY "goodsecret" REQUIRE SSL;
@end example
@item
...
...
@@ -17289,8 +17290,8 @@ The only restriction is that it should be possible to verify its
signature with one of the CA certificates.
@example
GRANT ALL PRIVILEGES ON test.* TO root@@localhost
IDENTIFIED BY "goodsecret" REQUIRE X509
mysql>
GRANT ALL PRIVILEGES ON test.* TO root@@localhost
-> IDENTIFIED BY "goodsecret" REQUIRE X509;
@end example
@item
...
...
@@ -17300,10 +17301,10 @@ Using X509 certificates always implies encryption, so the option "SSL"
is not neccessary anymore.
@example
GRANT ALL PRIVILEGES ON test.* TO root@@localhost
IDENTIFIED BY "goodsecret"
REQUIRE ISSUER "C=FI, ST=Some-State, L=Helsinki,
O=MySQL Finland AB, CN=Tonu Samuel/Email=tonu@@mysql.com"
mysql>
GRANT ALL PRIVILEGES ON test.* TO root@@localhost
->
IDENTIFIED BY "goodsecret"
->
REQUIRE ISSUER "C=FI, ST=Some-State, L=Helsinki,
"> O=MySQL Finland AB, CN=Tonu Samuel/Email=tonu@@mysql.com";
@end example
@item
...
...
@@ -17313,10 +17314,11 @@ certificate but having different "subject" then the connection is
still not allowed.
@example
GRANT ALL PRIVILEGES ON test.* TO root@@localhost
IDENTIFIED BY "goodsecret"
REQUIRE SUBJECT "C=EE, ST=Some-State, L=Tallinn,
O=MySQL demo client certificate, CN=Tonu Samuel/Email=tonu@@mysql.com"
mysql> GRANT ALL PRIVILEGES ON test.* TO root@@localhost
-> IDENTIFIED BY "goodsecret"
-> REQUIRE SUBJECT "C=EE, ST=Some-State, L=Tallinn,
"> O=MySQL demo client certificate,
"> CN=Tonu Samuel/Email=tonu@@mysql.com";
@end example
@item
...
...
@@ -17326,24 +17328,25 @@ with short encryption keys are used. Using this option, we can ask for
some exact cipher method to allow a connection.
@example
GRANT ALL PRIVILEGES ON test.* TO root@@localhost
IDENTIFIED BY "goodsecret"
REQUIRE CIPHER "EDH-RSA-DES-CBC3-SHA"
mysql>
GRANT ALL PRIVILEGES ON test.* TO root@@localhost
->
IDENTIFIED BY "goodsecret"
-> REQUIRE CIPHER "EDH-RSA-DES-CBC3-SHA";
@end example
Also it is allowed to combine these options with each other like this:
@example
GRANT ALL PRIVILEGES ON test.* TO root@@localhost
IDENTIFIED BY "goodsecret"
REQUIRE SUBJECT "C=EE, ST=Some-State, L=Tallinn,
O=MySQL demo client certificate, CN=Tonu Samuel/Email=tonu@@mysql.com"
AND ISSUER "C=FI, ST=Some-State, L=Helsinki,
O=MySQL Finland AB, CN=Tonu Samuel/Email=tonu@@mysql.com"
AND CIPHER "EDH-RSA-DES-CBC3-SHA"
mysql> GRANT ALL PRIVILEGES ON test.* TO root@@localhost
-> IDENTIFIED BY "goodsecret"
-> REQUIRE SUBJECT "C=EE, ST=Some-State, L=Tallinn,
"> O=MySQL demo client certificate,
"> CN=Tonu Samuel/Email=tonu@@mysql.com"
-> AND ISSUER "C=FI, ST=Some-State, L=Helsinki,
"> O=MySQL Finland AB, CN=Tonu Samuel/Email=tonu@@mysql.com"
-> AND CIPHER "EDH-RSA-DES-CBC3-SHA";
@end example
But it is not allowed to use any o
f options
twice. Only different
But it is not allowed to use any o
ption
twice. Only different
options can be mixed.
@end itemize
...
...
@@ -23309,7 +23312,7 @@ For example, to create a user named @code{repl} which can access your
master from any host, you might use this command:
@example
GRANT FILE ON *.* TO repl@@"%" IDENTIFIED BY '<password>';
mysql>
GRANT FILE ON *.* TO repl@@"%" IDENTIFIED BY '<password>';
@end example
@item
...
...
@@ -28112,7 +28115,7 @@ However, in this case the assignment operator is @code{:=} rather than
statements:
@example
select
@@t1:=(@@t2:=1)+@@t3:=4,@@t1,@@t2,@@t3;
mysql> SELECT
@@t1:=(@@t2:=1)+@@t3:=4,@@t1,@@t2,@@t3;
+----------------------+------+------+------+
| @@t1:=(@@t2:=1)+@@t3:=4 | @@t1 | @@t2 | @@t3 |
+----------------------+------+------+------+
...
...
@@ -28132,7 +28135,7 @@ that involves variables that are set in the @code{SELECT} part. For example,
the following statement will NOT work as expected:
@example
SELECT (@@aa:=id) AS a, (@@aa+3) AS b FROM table_name HAVING b=5;
mysql>
SELECT (@@aa:=id) AS a, (@@aa+3) AS b FROM table_name HAVING b=5;
@end example
The reason is that @code{@@aa} will not contain the value of the current
...
...
@@ -38597,7 +38600,7 @@ This is called multi-versioned concurrency control.
@example
User A User B
set autocommit=0; set autocommit
=0;
SET AUTOCOMMIT=0; SET AUTOCOMMIT
=0;
time
| SELECT * FROM t;
| empty set
...
...
@@ -38678,18 +38681,18 @@ to @code{O_DSYNC}, though O_DSYNC seems to be slower on most systems.
Put before your plain SQL import file line
@example
set autocommit
=0;
SET AUTOCOMMIT
=0;
@end example
and after it
@example
commit
;
COMMIT
;
@end example
If you use the @file{mysqldump} option @code{--opt}, you will get dump
files which are fast to import also to an InnoDB table, even without wrapping
them to the above @code{
set autocommit=0; ... commit
;} wrappers.
them to the above @code{
SET AUTOCOMMIT=0; ... COMMIT
;} wrappers.
@strong{8.}
Beware of big rollbacks of mass inserts: InnoDB uses the insert buffer
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