feedc0de/postgresql-for-wordpress
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Upgrading from WP 2.8.6 to WP 2.9.1 now works with only 1 possible non-blocking error

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git-svn-id: https://plugins.svn.wordpress.org/postgresql-for-wordpress/trunk@194612 b8457f37-d9ea-0310-8a92-e5e31aec5664
This commit is contained in:
hawk__
2010-01-16 22:15:14 +00:00
parent 44e60e6b10
commit ce86463e48
2 changed files with 23 additions and 1 deletions
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20
pg4wp/driver_pgsql.php
View File

@@ -255,6 +255,13 @@
// LIMIT is not allowed in DELETE queries
$sql = str_replace( 'LIMIT 1', '', $sql);
$sql = str_replace( ' REGEXP ', ' ~ ', $sql);
// This handles removal of duplicate entries in table options
if( false !== strpos( $sql, 'DELETE o1 FROM '))
$sql = "DELETE FROM ${table_prefix}options WHERE option_id IN " .
"(SELECT o1.option_id FROM ${table_prefix}options AS o1, ${table_prefix}options AS o2 " .
"WHERE o1.option_name = o2.option_name " .
"AND o1.option_id < o2.option_id)";
}
// Fix tables listing
elseif( 0 === strpos($sql, 'SHOW TABLES'))
@@ -321,6 +328,19 @@ WHERE bc.oid = i.indrelid
$index = $table.'_'.$index;
$sql = "CREATE {$unique}INDEX $index ON $table ($columns)";
}
$pattern = '/ALTER TABLE\s+(\w+)\s+DROP INDEX\s+([^\s]+)/';
if( 1 === preg_match( $pattern, $sql, $matches))
{
$table = $matches[1];
$index = $matches[2];
$sql = "DROP INDEX ${table}_${index}";
}
$pattern = '/ALTER TABLE\s+(\w+)\s+DROP PRIMARY KEY/';
if( 1 === preg_match( $pattern, $sql, $matches))
{
$table = $matches[1];
$sql = "ALTER TABLE ${table} DROP CONSTRAINT ${table}_pkey";
}
}
// Table description
elseif( 0 === strpos( $sql, 'DESCRIBE'))

4
readme.txt
View File

@@ -50,7 +50,9 @@ There is no screenshot for this plugin
== Changelog ==
* Upgrading from WP 2.8.6 to WP 2.9.1 works with errors
* Upgrading from WP 2.8.6 to WP 2.9.1 works with a minor error
Upgrading should remove an index on table "wp_options" that may not exist, throwing an error
* Installing WP 2.9.1 works smoothly
* Generic hack to avoid duplicate index names
* REGEXP gets replaced with '~'