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-rw-r--r--phpBB/includes/functions_tricky_update.php416
1 files changed, 208 insertions, 208 deletions
diff --git a/phpBB/includes/functions_tricky_update.php b/phpBB/includes/functions_tricky_update.php
index cf922d7014..c8fcb9b6f0 100644
--- a/phpBB/includes/functions_tricky_update.php
+++ b/phpBB/includes/functions_tricky_update.php
@@ -1,208 +1,208 @@
-<?php
-/**
-*
-* @package phpBB3
-* @copyright (c) 2012 phpBB Group
-* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
-*
-*/
-
-/**
-* @ignore
-*/
-if (!defined('IN_PHPBB'))
-{
- exit;
-}
-
-/**
-* Updates rows in given table from a set of values to a new value.
-* If this results in rows violating uniqueness constraints, the duplicate
-* rows are eliminated.
-*
-* The only supported table is bookmarks.
-*
-* @param dbal $db Database object
-* @param string $table Table on which to perform the update
-* @param string $column Column whose values to change
-* @param array $from_values An array of values that should be changed
-* @param int $to_value The new value
-* @return null
-*/
-function phpbb_update_rows_avoiding_duplicates($db, $table, $column, $from_values, $to_value)
-{
- $sql = "SELECT $column, user_id
- FROM $table
- WHERE " . $db->sql_in_set($column, $from_values);
- $result = $db->sql_query($sql);
-
- $old_user_ids = array();
- while ($row = $db->sql_fetchrow($result))
- {
- $old_user_ids[$row[$column]][] = $row['user_id'];
- }
- $db->sql_freeresult($result);
-
- $sql = "SELECT $column, user_id
- FROM $table
- WHERE $column = '" . (int) $to_value . "'";
- $result = $db->sql_query($sql);
-
- $new_user_ids = array();
- while ($row = $db->sql_fetchrow($result))
- {
- $new_user_ids[$row[$column]][] = $row['user_id'];
- }
- $db->sql_freeresult($result);
-
- $queries = array();
- $any_found = false;
- foreach ($from_values as $from_value)
- {
- if (!isset($old_user_ids[$from_value]))
- {
- continue;
- }
- $any_found = true;
- if (empty($new_user_ids))
- {
- $sql = "UPDATE $table
- SET $column = " . (int) $to_value . "
- WHERE $column = '" . $db->sql_escape($from_value) . "'";
- $queries[] = $sql;
- }
- else
- {
- $different_user_ids = array_diff($old_user_ids[$from_value], $new_user_ids[$to_value]);
- if (!empty($different_user_ids))
- {
- $sql = "UPDATE $table
- SET $column = " . (int) $to_value . "
- WHERE $column = '" . $db->sql_escape($from_value) . "'
- AND " . $db->sql_in_set('user_id', $different_user_ids);
- $queries[] = $sql;
- }
- }
- }
-
- if ($any_found)
- {
- $db->sql_transaction('begin');
-
- foreach ($queries as $sql)
- {
- $db->sql_query($sql);
- }
-
- $sql = "DELETE FROM $table
- WHERE " . $db->sql_in_set($column, $from_values);
- $db->sql_query($sql);
-
- $db->sql_transaction('commit');
- }
-}
-
-/**
-* Updates rows in given table from a set of values to a new value.
-* If this results in rows violating uniqueness constraints, the duplicate
-* rows are merged respecting notify_status (0 takes precedence over 1).
-*
-* The only supported table is topics_watch.
-*
-* @param dbal $db Database object
-* @param string $table Table on which to perform the update
-* @param string $column Column whose values to change
-* @param array $from_values An array of values that should be changed
-* @param int $to_value The new value
-* @return null
-*/
-function phpbb_update_rows_avoiding_duplicates_notify_status($db, $table, $column, $from_values, $to_value)
-{
- $sql = "SELECT $column, user_id, notify_status
- FROM $table
- WHERE " . $db->sql_in_set($column, $from_values);
- $result = $db->sql_query($sql);
-
- $old_user_ids = array();
- while ($row = $db->sql_fetchrow($result))
- {
- $old_user_ids[(int) $row['notify_status']][$row[$column]][] = $row['user_id'];
- }
- $db->sql_freeresult($result);
-
- $sql = "SELECT $column, user_id
- FROM $table
- WHERE $column = '" . (int) $to_value . "'";
- $result = $db->sql_query($sql);
-
- $new_user_ids = array();
- while ($row = $db->sql_fetchrow($result))
- {
- $new_user_ids[$row[$column]][] = $row['user_id'];
- }
- $db->sql_freeresult($result);
-
- $queries = array();
- $any_found = false;
- $extra_updates = array(
- 0 => 'notify_status = 0',
- 1 => '',
- );
- foreach ($from_values as $from_value)
- {
- foreach ($extra_updates as $notify_status => $extra_update) {
- if (!isset($old_user_ids[$notify_status][$from_value]))
- {
- continue;
- }
- $any_found = true;
- if (empty($new_user_ids))
- {
- $sql = "UPDATE $table
- SET $column = " . (int) $to_value . "
- WHERE $column = '" . $db->sql_escape($from_value) . "'";
- $queries[] = $sql;
- }
- else
- {
- $different_user_ids = array_diff($old_user_ids[$notify_status][$from_value], $new_user_ids[$to_value]);
- if (!empty($different_user_ids))
- {
- $sql = "UPDATE $table
- SET $column = " . (int) $to_value . "
- WHERE $column = '" . $db->sql_escape($from_value) . "'
- AND " . $db->sql_in_set('user_id', $different_user_ids);
- $queries[] = $sql;
- }
-
- if ($extra_update) {
- $same_user_ids = array_diff($old_user_ids[$notify_status][$from_value], $different_user_ids);
- if (!empty($same_user_ids))
- {
- $sql = "UPDATE $table
- SET $extra_update
- WHERE $column = '" . (int) $to_value . "'
- AND " . $db->sql_in_set('user_id', $same_user_ids);
- $queries[] = $sql;
- }
- }
- }
- }
- }
-
- if ($any_found)
- {
- $db->sql_transaction('begin');
-
- foreach ($queries as $sql)
- {
- $db->sql_query($sql);
- }
-
- $sql = "DELETE FROM $table
- WHERE " . $db->sql_in_set($column, $from_values);
- $db->sql_query($sql);
-
- $db->sql_transaction('commit');
- }
-}
+<?php
+/**
+*
+* @package phpBB3
+* @copyright (c) 2012 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+ exit;
+}
+
+/**
+* Updates rows in given table from a set of values to a new value.
+* If this results in rows violating uniqueness constraints, the duplicate
+* rows are eliminated.
+*
+* The only supported table is bookmarks.
+*
+* @param dbal $db Database object
+* @param string $table Table on which to perform the update
+* @param string $column Column whose values to change
+* @param array $from_values An array of values that should be changed
+* @param int $to_value The new value
+* @return null
+*/
+function phpbb_update_rows_avoiding_duplicates($db, $table, $column, $from_values, $to_value)
+{
+ $sql = "SELECT $column, user_id
+ FROM $table
+ WHERE " . $db->sql_in_set($column, $from_values);
+ $result = $db->sql_query($sql);
+
+ $old_user_ids = array();
+ while ($row = $db->sql_fetchrow($result))
+ {
+ $old_user_ids[$row[$column]][] = $row['user_id'];
+ }
+ $db->sql_freeresult($result);
+
+ $sql = "SELECT $column, user_id
+ FROM $table
+ WHERE $column = '" . (int) $to_value . "'";
+ $result = $db->sql_query($sql);
+
+ $new_user_ids = array();
+ while ($row = $db->sql_fetchrow($result))
+ {
+ $new_user_ids[$row[$column]][] = $row['user_id'];
+ }
+ $db->sql_freeresult($result);
+
+ $queries = array();
+ $any_found = false;
+ foreach ($from_values as $from_value)
+ {
+ if (!isset($old_user_ids[$from_value]))
+ {
+ continue;
+ }
+ $any_found = true;
+ if (empty($new_user_ids))
+ {
+ $sql = "UPDATE $table
+ SET $column = " . (int) $to_value . "
+ WHERE $column = '" . $db->sql_escape($from_value) . "'";
+ $queries[] = $sql;
+ }
+ else
+ {
+ $different_user_ids = array_diff($old_user_ids[$from_value], $new_user_ids[$to_value]);
+ if (!empty($different_user_ids))
+ {
+ $sql = "UPDATE $table
+ SET $column = " . (int) $to_value . "
+ WHERE $column = '" . $db->sql_escape($from_value) . "'
+ AND " . $db->sql_in_set('user_id', $different_user_ids);
+ $queries[] = $sql;
+ }
+ }
+ }
+
+ if ($any_found)
+ {
+ $db->sql_transaction('begin');
+
+ foreach ($queries as $sql)
+ {
+ $db->sql_query($sql);
+ }
+
+ $sql = "DELETE FROM $table
+ WHERE " . $db->sql_in_set($column, $from_values);
+ $db->sql_query($sql);
+
+ $db->sql_transaction('commit');
+ }
+}
+
+/**
+* Updates rows in given table from a set of values to a new value.
+* If this results in rows violating uniqueness constraints, the duplicate
+* rows are merged respecting notify_status (0 takes precedence over 1).
+*
+* The only supported table is topics_watch.
+*
+* @param dbal $db Database object
+* @param string $table Table on which to perform the update
+* @param string $column Column whose values to change
+* @param array $from_values An array of values that should be changed
+* @param int $to_value The new value
+* @return null
+*/
+function phpbb_update_rows_avoiding_duplicates_notify_status($db, $table, $column, $from_values, $to_value)
+{
+ $sql = "SELECT $column, user_id, notify_status
+ FROM $table
+ WHERE " . $db->sql_in_set($column, $from_values);
+ $result = $db->sql_query($sql);
+
+ $old_user_ids = array();
+ while ($row = $db->sql_fetchrow($result))
+ {
+ $old_user_ids[(int) $row['notify_status']][$row[$column]][] = $row['user_id'];
+ }
+ $db->sql_freeresult($result);
+
+ $sql = "SELECT $column, user_id
+ FROM $table
+ WHERE $column = '" . (int) $to_value . "'";
+ $result = $db->sql_query($sql);
+
+ $new_user_ids = array();
+ while ($row = $db->sql_fetchrow($result))
+ {
+ $new_user_ids[$row[$column]][] = $row['user_id'];
+ }
+ $db->sql_freeresult($result);
+
+ $queries = array();
+ $any_found = false;
+ $extra_updates = array(
+ 0 => 'notify_status = 0',
+ 1 => '',
+ );
+ foreach ($from_values as $from_value)
+ {
+ foreach ($extra_updates as $notify_status => $extra_update) {
+ if (!isset($old_user_ids[$notify_status][$from_value]))
+ {
+ continue;
+ }
+ $any_found = true;
+ if (empty($new_user_ids))
+ {
+ $sql = "UPDATE $table
+ SET $column = " . (int) $to_value . "
+ WHERE $column = '" . $db->sql_escape($from_value) . "'";
+ $queries[] = $sql;
+ }
+ else
+ {
+ $different_user_ids = array_diff($old_user_ids[$notify_status][$from_value], $new_user_ids[$to_value]);
+ if (!empty($different_user_ids))
+ {
+ $sql = "UPDATE $table
+ SET $column = " . (int) $to_value . "
+ WHERE $column = '" . $db->sql_escape($from_value) . "'
+ AND " . $db->sql_in_set('user_id', $different_user_ids);
+ $queries[] = $sql;
+ }
+
+ if ($extra_update) {
+ $same_user_ids = array_diff($old_user_ids[$notify_status][$from_value], $different_user_ids);
+ if (!empty($same_user_ids))
+ {
+ $sql = "UPDATE $table
+ SET $extra_update
+ WHERE $column = '" . (int) $to_value . "'
+ AND " . $db->sql_in_set('user_id', $same_user_ids);
+ $queries[] = $sql;
+ }
+ }
+ }
+ }
+ }
+
+ if ($any_found)
+ {
+ $db->sql_transaction('begin');
+
+ foreach ($queries as $sql)
+ {
+ $db->sql_query($sql);
+ }
+
+ $sql = "DELETE FROM $table
+ WHERE " . $db->sql_in_set($column, $from_values);
+ $db->sql_query($sql);
+
+ $db->sql_transaction('commit');
+ }
+}