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Informing of deprecation of mysql_tableinfo by INFORMATION_SCHEMA (and

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I'm thinking of removing the script in 5.1).
This commit is contained in:
guilhem@mysql.com
2005-04-24 22:37:43 +02:00
parent a6b68d51ec
commit 3022cbc60c
1 changed files with 25 additions and 7 deletions
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32
scripts/mysql_tableinfo.sh
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@ -6,6 +6,14 @@ use DBI;
=head1 NAME =head1 NAME
WARNING: MySQL versions 5.0 and above feature the INFORMATION_SCHEMA
pseudo-database which contains always up-to-date metadata information
about all tables. So instead of using this script one can now
simply query the INFORMATION_SCHEMA.SCHEMATA, INFORMATION_SCHEMA.TABLES,
INFORMATION_SCHEMA.COLUMNS, INFORMATION_SCHEMA.STATISTICS pseudo-tables.
Please see the MySQL manual for more information about INFORMATION_SCHEMA.
This script will be removed from the MySQL distribution in version 5.1.
mysql_tableinfo - creates and populates information tables with mysql_tableinfo - creates and populates information tables with
the output of SHOW DATABASES, SHOW TABLES (or SHOW TABLE STATUS), the output of SHOW DATABASES, SHOW TABLES (or SHOW TABLE STATUS),
SHOW COLUMNS and SHOW INDEX. SHOW COLUMNS and SHOW INDEX.
@ -62,6 +70,19 @@ GetOptions( \%opt,
"quiet|q", "quiet|q",
) or usage("Invalid option"); ) or usage("Invalid option");
if (!$opt{'quiet'})
{
print <<EOF
WARNING: MySQL versions 5.0 and above feature the INFORMATION_SCHEMA
pseudo-database which contains always up-to-date metadata information
about all tables. So instead of using this script one can now
simply query the INFORMATION_SCHEMA.SCHEMATA, INFORMATION_SCHEMA.TABLES,
INFORMATION_SCHEMA.COLUMNS, INFORMATION_SCHEMA.STATISTICS pseudo-tables.
Please see the MySQL manual for more information about INFORMATION_SCHEMA.
This script will be removed from the MySQL distribution in version 5.1.
EOF
}
if ($opt{'help'}) {usage();} if ($opt{'help'}) {usage();}
my ($db_to_write,$db_like_wild,$tbl_like_wild); my ($db_to_write,$db_like_wild,$tbl_like_wild);
@ -104,7 +125,7 @@ $tbl_like_wild=$dbh->quote($tbl_like_wild);
if (!$opt{'quiet'}) if (!$opt{'quiet'})
{ {
print "\n!! This program is doing to do:\n\n"; print "\n!! This program is going to do:\n\n";
print "**DROP** TABLE ...\n" if ($opt{'clear'} or $opt{'clear-only'}); print "**DROP** TABLE ...\n" if ($opt{'clear'} or $opt{'clear-only'});
print "**DELETE** FROM ... WHERE `Database` LIKE $db_like_wild AND `Table` LIKE $tbl_like_wild print "**DELETE** FROM ... WHERE `Database` LIKE $db_like_wild AND `Table` LIKE $tbl_like_wild
**INSERT** INTO ... **INSERT** INTO ...
@ -456,17 +477,14 @@ UNIX domain socket to use when connecting to server
=head1 WARRANTY =head1 WARRANTY
This software is free and comes without warranty of any kind. You This software is free and comes without warranty of any kind.
should never trust backup software without studying the code yourself.
Study the code inside this script and only rely on it if I<you> believe
that it does the right thing for you.
Patches adding bug fixes, documentation and new features are welcome. Patches adding bug fixes, documentation and new features are welcome.
=head1 TO DO =head1 TO DO
Use extended inserts to be faster (for servers with many databases Nothing: starting from MySQL 5.0, this program is replaced by the
or tables). But to do that, must care about net-buffer-length. INFORMATION_SCHEMA pseudo-database.
=head1 AUTHOR =head1 AUTHOR