Added isolation levels (6f9a73a1) · Commits · Software / OSDI20 Artifacts / mariadb

BitKeeper/etc/logging_ok

+1 −4

Original line number	Diff line number	Diff line
		jani@hynda.mysql.fi
		heikki@donna.mysql.fi
		monty@donna.mysql.fi
		paul@central.snake.net
		monty@tik.mysql.fi

Docs/manual.texi

+66 −10

Original line number	Diff line number	Diff line
		@@ -9738,7 +9738,7 @@ uses:
		@cindex options, command-line
		@cindex mysqld options
		@node Command-line options, Option files, Automatic start, Post-installation
		@subsection Command-line Options
		@subsection mysqld Command-line Options

		@code{mysqld} accepts the following command-line options:

		@@ -9952,6 +9952,9 @@ Disable using thread priorities for faster response time.
		Socket file to use for local connections instead of default
		@code{/tmp/mysql.sock}.

		@item transaction-isolation= @{ READ-UNCOMMITTED \| READ-COMMITTED \| REPEATABLE-READ \| SERIALIZABLE @}
		Sets the default transaction isolation level. @xref{SET TRANSACTION}.

		@item -t, --tmpdir=path
		Path for temporary files. It may be useful if your default @code{/tmp}
		directory resides on a partition too small to hold temporary tables.
		@@ -10816,6 +10819,9 @@ This forces all function names to be treated as reserved words.
		@item
		@code{REAL} will be a synonym for @code{FLOAT} instead of a synonym of
		@code{DOUBLE}.
		@item
		The default transaction isolation level is @code{SERIALIZABLE}.
		@xref{SET TRANSACTION}.
		@end itemize

		@node Differences from ANSI, Missing functions, ANSI mode, Compatibility
		@@ -13463,6 +13469,7 @@ to restart @code{mysqld} with @code{--skip-grant-tables} to run
		* COMMIT:: @code{BEGIN/COMMIT/ROLLBACK} syntax
		* LOCK TABLES:: @code{LOCK TABLES/UNLOCK TABLES} syntax
		* SET OPTION:: @code{SET OPTION} syntax
		* SET TRANSACTION::
		* GRANT:: @code{GRANT} and @code{REVOKE} syntax
		* CREATE INDEX:: @code{CREATE INDEX} syntax
		* DROP INDEX:: @code{DROP INDEX} syntax
		@@ -13485,7 +13492,7 @@ to restart @code{mysqld} with @code{--skip-grant-tables} to run
		* Number syntax:: Numbers
		* Hexadecimal values:: Hexadecimal values
		* NULL values:: @code{NULL} values
		* Legal names:: Database, table, index, column and alias names
		* Legal names:: Database, Table, Index, Column, and Alias Names
		@end menu

		@node String syntax, Number syntax, Literals, Literals
		@@ -19327,7 +19334,8 @@ SELECT [STRAIGHT_JOIN] [SQL_SMALL_RESULT] [SQL_BIG_RESULT] [SQL_BUFFER_RESULT]
		[HAVING where_definition]
		[ORDER BY @{unsigned_integer \| col_name \| formula@} [ASC \| DESC] ,...]
		[LIMIT [offset,] rows]
		[PROCEDURE procedure_name] ]
		[PROCEDURE procedure_name]
		[FOR UPDATE \| IN SHARE MODE]]
		@end example
		@c help end

		@@ -19570,6 +19578,17 @@ If you use @code{INTO DUMPFILE} instead of @code{INTO OUTFILE}, @strong{MySQL}
		will only write one row into the file, without any column or line
		terminations and without any escaping. This is useful if you want to
		store a blob in a file.

		@item
		Note that any file created by @code{INTO OUTFILE} and @code{INTO
		DUMPFILE} is going to be readable for all users! The reason is that the
		@strong{MySQL} server can't create a file that is owned by anyone else
		than the user it's running as (you should never run @code{mysqld} as root),
		the file has to be word readable so that you can retrieve the rows.

		@item
		If you are using @code{FOR UPDATE} on a table handler with page/row locks,
		the examined rows will be write locked.
		@end itemize

		@findex JOIN
		@@ -20739,6 +20758,9 @@ write is aborted with an disk full error message.
		@findex SHOW TABLE STATUS
		@findex SHOW GRANTS
		@findex SHOW CREATE TABLE
		@findex SHOW MASTER STATUS
		@findex SHOW MASTER LOGS
		@findex SHOW SLAVE STATUS
		@node SHOW, EXPLAIN, KILL, Reference
		@section @code{SHOW} Syntax (Get Information About Tables, Columns,...)

		@@ -22042,7 +22064,7 @@ table you will get an error (@code{ER_WARNING_NOT_COMPLETE_ROLLBACK}) as
		a warning. All transactional safe tables will be restored but any
		non-transactional table will not change.

		If you are using @code{BEGIN} or @code{SET AUTO_COMMIT=0}, you
		If you are using @code{BEGIN} or @code{SET AUTOCOMMIT=0}, you
		should use the @strong{MySQL} binary log for backups instead of the
		old update log; The transaction is stored in the binary log
		in one chunk, during @code{COMMIT}, the to ensure and @code{ROLLBACK}:ed
		@@ -22057,6 +22079,9 @@ a @code{COMMIT} before executing the command):
		@item @code{TRUNCATE}
		@end multitable

		You can change the isolation level for transactions with
		@code{SET TRANSACTION ISOLATION LEVEL ...}. @xref{SET TRANSACTION}.

		@findex LOCK TABLES
		@findex UNLOCK TABLES
		@node LOCK TABLES, SET OPTION, COMMIT, Reference
		@@ -22162,7 +22187,7 @@ automaticly commit any active transactions before attempting to lock the
		tables.

		@findex SET OPTION
		@node SET OPTION, GRANT, LOCK TABLES, Reference
		@node SET OPTION, SET TRANSACTION, LOCK TABLES, Reference
		@section @code{SET} Syntax

		@example
		@@ -22303,6 +22328,30 @@ command when inserting an @code{AUTO_INCREMENT} value. This is mainly used
		with the update log.
		@end table

		@findex ISOLATION LEVEL
		@node SET TRANSACTION, GRANT, SET OPTION, Reference
		@section @code{SET TRANSACTION} Syntax

		@example
		SET [GLOBAL \| SESSION] TRANSACTION ISOLATION LEVEL
		[READ UNCOMMITTED \| READ COMMITTED \| REPEATABLE READ \| SERIALIZABLE]
		@end example

		Sets the transaction isolation level for the global, whole session or
		the next transaction.

		The default behaveour is to set the isolation level for the next (not started)
		isolation level.

		If you set the @code{GLOBAL} privilege it will affect all new created threads.
		You will need the @code{PROCESS} privilege to do do this.

		Setting the @code{SESSION} privilege will affect the following and all
		future transactions.

		You can set the default isolation level for @code{mysqld} with
		@code{--transaction-isolation=...}. @xref{Command-line options}.

		@cindex privileges, granting
		@cindex privileges, revoking
		@cindex global privileges
		@@ -22311,7 +22360,7 @@ with the update log.

		@findex GRANT
		@findex REVOKE
		@node GRANT, CREATE INDEX, SET OPTION, Reference
		@node GRANT, CREATE INDEX, SET TRANSACTION, Reference
		@section @code{GRANT} and @code{REVOKE} Syntax

		@example
		@@ -36053,7 +36102,7 @@ direct from a remote mysql server!
		@code{mysqlbinlog --help} will give you more information of how to use
		this program!

		If you are using @code{BEGIN} or @code{SET AUTO_COMMIT=0}, you must use
		If you are using @code{BEGIN} or @code{SET AUTOCOMMIT=0}, you must use
		the @strong{MySQL} binary log for backups instead of the old update log.

		The binary logging is done immediately after a query completes but before
		@@ -42245,8 +42294,6 @@ Added @code{IDENTITY} as a synonym for @code{AUTO_INCREMENT} (like SyBase).
		@item
		Added @code{ORDER BY} syntax to @code{UPDATE} and @code{DELETE}.
		@item
		Added @code{SELECT ... WITH UPDATE} and @code{SELECT ... IN SHARE MODE} to
		get more locking options.
		@end itemize

		@node News-3.23.x, News-3.22.x, News-4.0.x, News
		@@ -42278,6 +42325,7 @@ users uses this code as the rest of the code and because of this we are
		not yet 100 % confident in this code.

		@menu
		* News-3.23.36::
		* News-3.23.35:: Changes in release 3.23.35
		* News-3.23.34a:: Changes in release 3.23.34a
		* News-3.23.34:: Changes in release 3.23.34
		@@ -42317,7 +42365,15 @@ not yet 100 % confident in this code.
		* News-3.23.0:: Changes in release 3.23.0
		@end menu

		@node News-3.23.35, News-3.23.34a, News-3.23.x, News-3.23.x
		@node News-3.23.36, News-3.23.35, News-3.23.x, News-3.23.x
		@appendixsubsec Changes in release 3.23.36
		@itemize @bullet
		Added @code{SET TRANSACTION ISOLATION LEVEL ...}
		@item
		Added @code{SELECT ... FOR UPDATE}.
		@end itemize

		@node News-3.23.35, News-3.23.34a, News-3.23.36, News-3.23.x
		@appendixsubsec Changes in release 3.23.35
		@itemize @bullet
		@item

configure.in

+1 −1

Original line number	Diff line number	Diff line
		@@ -4,7 +4,7 @@ dnl Process this file with autoconf to produce a configure script.
		AC_INIT(sql/mysqld.cc)
		AC_CANONICAL_SYSTEM
		# The Docs Makefile.am parses this line!
		AM_INIT_AUTOMAKE(mysql, 3.23.35)
		AM_INIT_AUTOMAKE(mysql, 3.23.36)
		AM_CONFIG_HEADER(config.h)

		PROTOCOL_VERSION=10

isam/_dbug.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -85,7 +85,7 @@ void _nisam_print_key(FILE stream, register N_KEYSEG keyseg, const uchar *key)
		key=end;
		break;
		case HA_KEYTYPE_INT24:
		VOID(fprintf(stream,"%d",sint3korr(key)));
		VOID(fprintf(stream,"%ld",sint3korr(key)));
		key=end;
		break;
		case HA_KEYTYPE_UINT24:

isam/isamchk.c

+9 −1

Original line number	Diff line number	Diff line
		@@ -284,7 +284,7 @@ static struct option long_options[] =

		static void print_version(void)
		{
		printf("%s Ver 5.15 for %s at %s\n",my_progname,SYSTEM_TYPE,
		printf("%s Ver 5.16 for %s at %s\n",my_progname,SYSTEM_TYPE,
		MACHINE_TYPE);
		}

		@@ -1793,6 +1793,9 @@ my_string name;
		if (share->base.options & HA_OPTION_COMPRESS_RECORD)
		printf(" Huff tree Bits");
		VOID(putchar('\n'));
		if (verbose > 2 && share->base.pack_bits)
		printf("- %-7d%-35s\n",share->base.pack_bits,"bit field");

		start=1;
		for (field=0 ; field < share->base.fields ; field++)
		{
		@@ -2806,6 +2809,11 @@ static int sort_get_next_record()
		}
		DBUG_RETURN(0);
		}
		if (!searching)
		{
		print_info("Found wrong packed record at %lu",
		(ulong) sort_info.start_recpos);
		}
		try_next:
		pos=sort_info.start_recpos+1;
		searching=1;