Language cleanups. (e3e84780) · Commits · Software / OSDI20 Artifacts / mariadb

Docs/manual.texi

+16 −18

Original line number	Diff line number	Diff line
		@@ -275,7 +275,7 @@ Is there anything special to do when upgrading/downgrading MySQL?
		How standards-compatible is MySQL?

		* Extensions to ANSI:: @strong{MySQL} extensions to ANSI SQL92
		* Ansi mode:: Runnning @strong{MySQL} in ANSI mode
		* Ansi mode:: Running @strong{MySQL} in ANSI mode
		* Differences from ANSI:: @strong{MySQL} differences compared to ANSI SQL92
		* Missing functions:: Functionality missing from @strong{MySQL}
		* Standards:: What standards does @strong{MySQL} follow?
		@@ -323,7 +323,7 @@ MySQL language reference
		* DROP DATABASE:: @code{DROP DATABASE} syntax
		* CREATE TABLE:: @code{CREATE TABLE} syntax
		* ALTER TABLE:: @code{ALTER TABLE} syntax
		* RENAME TABLE::
		* RENAME TABLE:: @code{RENAME TABLE} syntax
		* DROP TABLE:: @code{DROP TABLE} syntax
		* OPTIMIZE TABLE:: @code{OPTIMIZE TABLE} syntax
		* CHECK TABLE:: @code{CHECK TABLE} syntax
		@@ -609,7 +609,7 @@ Using @code{MySQL} with some common programs

		Problems and common errors

		* What is crashing:: How to determinate what is causing problems
		* What is crashing:: How to determine what is causing problems
		* Crashing:: What to do if @strong{MySQL} keeps crashing
		* Link errors:: Problems when linking with the @strong{MySQL} client library
		* Common errors:: Some common errors when using @strong{MySQL}
		@@ -11645,7 +11645,7 @@ to restart @code{mysqld} with @code{--skip-grant-tables} to be able to run
		* DROP DATABASE:: @code{DROP DATABASE} syntax
		* CREATE TABLE:: @code{CREATE TABLE} syntax
		* ALTER TABLE:: @code{ALTER TABLE} syntax
		* RENAME TABLE::
		* RENAME TABLE:: @code{RENAME TABLE} syntax
		* DROP TABLE:: @code{DROP TABLE} syntax
		* OPTIMIZE TABLE:: @code{OPTIMIZE TABLE} syntax
		* CHECK TABLE:: @code{CHECK TABLE} syntax
		@@ -15983,14 +15983,14 @@ mysql> select COUNT(*) from student;
		@findex COUNT(DISTINCT)
		@findex DISTINCT
		@item COUNT(DISTINCT expr,[expr...])
		Returns a count of the number of different not @code{NULL} values.
		Returns a count of the number of different non-@code{NULL} values.

		@example
		mysql> select COUNT(DISTINCT results) from student;
		@end example

		In @strong{MySQL} you can get the number of distinct expressions
		combinations that doesn't contain NULL by giving a list of expressions.
		In @strong{MySQL} you can get the number of distinct expression
		combinations that don't contain NULL by giving a list of expressions.
		In ANSI SQL you would have to do a concatenation of all expressions
		inside @code{CODE(DISTINCT ..)}.

		@@ -16792,23 +16792,23 @@ See also @xref{ALTER TABLE problems, , @code{ALTER TABLE} problems}.
		@section @code{RENAME TABLE} syntax

		@example
		RENAME TABLE tbl_name as new_table_name[, tbl_name2 as new_table_name2,...]
		RENAME TABLE tbl_name TO new_table_name[, tbl_name2 TO new_table_name2,...]
		@end example

		The rename is done atomic, which means that if no other thread can
		The rename is done atomically, which means that if no other thread can
		access any of the tables while the rename is running. This makes it
		possible to replace a table with an empty one:

		@example
		CREATE TABLE new_table (...);
		RENAME TABLE old_table TO backup_table, new_table as old_table;
		RENAME TABLE old_table TO backup_table, new_table TO old_table;
		@end example

		The rename is done from left to right, which means that if you want to
		swap two tables names, you have to do:

		@example
		RENAME TABLE old_table TO backup_table, new_table as old_table, backup_table as old_table;
		RENAME TABLE old_table TO backup_table, new_table TO old_table, backup_table TO old_table;
		@end example

		Is long as two databases are on the same disk you can also do a rename
		@@ -28347,7 +28347,7 @@ FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"' ESCAPED BY '\\'
		@chapter Problems and common errors

		@menu
		* What is crashing:: How to determinate what is causing problems
		* What is crashing:: How to determine what is causing problems
		* Crashing:: What to do if @strong{MySQL} keeps crashing
		* Link errors:: Problems when linking with the @strong{MySQL} client library
		* Common errors:: Some common errors when using @strong{MySQL}
		@@ -28372,7 +28372,7 @@ FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"' ESCAPED BY '\\'
		@end menu

		@node What is crashing, Crashing, Problems, Problems
		@section How to determinate what is causing problems
		@section How to determine what is causing problems

		When you run into problems, the first thing you should do is to find out
		which program / piece of equipment is causing problems.
		@@ -29616,14 +29616,14 @@ SELECT id AS "Customer identity" FROM table_name;

		Note that you ANSI SQL doesn't allow you to refer to an alias in a
		@code{WHERE} clause. This is because when the @code{WHERE} code is
		executed the column value may not yet be determinated. For example the
		executed the column value may not yet be determined. For example the
		following query is @strong{illegal}:

		@example
		SELECT id,COUNT(*) AS cnt FROM table_name WHERE cnt > 0 GROUP BY id;
		@end example

		The @code{WHERE} statement is executed to determinate which rows should
		The @code{WHERE} statement is executed to determine which rows should
		be included in the @code{GROUP BY} part while @code{HAVING} is used to
		decide which rows from the result set should be used.

		@@ -39537,8 +39537,6 @@ Fail safe replication.
		@item
		Optimize, test and document transactions safe tables
		@item
		@code{RENAME table to table, table to table [,...]}
		@item
		Allow users to change startup options.
		@item
		Subqueries. @code{select id from t where grp in (select grp from g where u > 100)}