Delete queries are now split into chunks.
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Michael
parent
e90ae79d35
commit
b9b43e30e6
4 changed files with 35 additions and 19 deletions
2
boot.php
2
boot.php
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@ -38,7 +38,7 @@ define ( 'FRIENDICA_PLATFORM', 'Friendica');
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define ( 'FRIENDICA_CODENAME', 'Asparagus');
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define ( 'FRIENDICA_VERSION', '3.5.2-dev' );
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define ( 'DFRN_PROTOCOL_VERSION', '2.23' );
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define ( 'DB_UPDATE_VERSION', 1221 );
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define ( 'DB_UPDATE_VERSION', 1222 );
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/**
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* @brief Constant with a HTML line break.
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@ -768,7 +768,7 @@ class dba {
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foreach ($structure['fields'] AS $field => $field_struct) {
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if (isset($field_struct['relation'])) {
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foreach ($field_struct['relation'] AS $rel_table => $rel_field) {
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self::$relation[$rel_table][$rel_field][$table] = $field;
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self::$relation[$rel_table][$rel_field][$table][] = $field;
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}
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}
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}
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@ -817,15 +817,17 @@ class dba {
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// When the search field is the relation field, we don't need to fetch the rows
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// This is useful when the leading record is already deleted in the frontend but the rest is done in the backend
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if ((count($param) == 1) AND ($field == array_keys($param)[0])) {
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foreach ($rel_def AS $rel_table => $rel_field) {
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$retval = self::delete($rel_table, array($rel_field => array_values($param)[0]), true, $callstack);
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$commands = array_merge($commands, $retval);
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foreach ($rel_def AS $rel_table => $rel_fields) {
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foreach ($rel_fields AS $rel_field) {
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$retval = self::delete($rel_table, array($rel_field => array_values($param)[0]), true, $callstack);
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$commands = array_merge($commands, $retval);
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}
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}
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} else {
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// Fetch all rows that are to be deleted
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$sql = "SELECT ".self::$dbo->escape($field)." FROM `".$table."` WHERE `".
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implode("` = ? AND `", array_keys($param))."` = ?";
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$retval = false;
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$data = self::p($sql, $param);
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while ($row = self::fetch($data)) {
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// Now we accumulate the delete commands
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@ -833,10 +835,6 @@ class dba {
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$commands = array_merge($commands, $retval);
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}
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// When we don't find data then we don't need to delete it
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if (is_bool($retval)) {
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return $in_commit ? $commands : true;
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}
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// Since we had split the delete command we don't need the original command anymore
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unset($commands[$key]);
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}
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@ -848,6 +846,7 @@ class dba {
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self::p("START TRANSACTION");
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$compacted = array();
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$counter = array();
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foreach ($commands AS $command) {
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if (count($command['param']) > 1) {
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$sql = "DELETE FROM `".$command['table']."` WHERE `".
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@ -860,20 +859,33 @@ class dba {
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return false;
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}
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} else {
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$key_table = $command['table'];
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$key_param = array_keys($command['param'])[0];
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$value = array_values($command['param'])[0];
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$compacted[$command['table']][array_keys($command['param'])[0]][$value] = $value;
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// Split the SQL queries in chunks of 100 values
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// We do the $i stuff here to make the code better readable
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$i = $counter[$key_table][$key_param];
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if (count($compacted[$key_table][$key_param][$i]) > 100) {
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++$i;
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}
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$compacted[$key_table][$key_param][$i][$value] = $value;
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$counter[$key_table][$key_param] = $i;
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}
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}
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foreach ($compacted AS $table => $values) {
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foreach ($values AS $field => $field_values) {
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$sql = "DELETE FROM `".$table."` WHERE `".$field."` IN (".
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substr(str_repeat("?, ", count($field_values)), 0, -2).");";
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foreach ($values AS $field => $field_value_list) {
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foreach ($field_value_list AS $field_values) {
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$sql = "DELETE FROM `".$table."` WHERE `".$field."` IN (".
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substr(str_repeat("?, ", count($field_values)), 0, -2).");";
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logger(dba::replace_parameters($sql, $field_values), LOGGER_DATA);
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logger(dba::replace_parameters($sql, $field_values), LOGGER_DATA);
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if (!self::e($sql, $param)) {
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self::p("ROLLBACK");
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return false;
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if (!self::e($sql, $param)) {
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self::p("ROLLBACK");
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return false;
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}
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}
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}
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}
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@ -1152,6 +1152,7 @@ function db_definition() {
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"uid_parenturi" => array("uid","parent-uri(190)"),
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"uid_contactid_created" => array("uid","contact-id","created"),
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"authorid_created" => array("author-id","created"),
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"ownerid" => array("owner-id"),
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"uid_uri" => array("uid", "uri(190)"),
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"resource-id" => array("resource-id"),
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"contactid_allowcid_allowpid_denycid_denygid" => array("contact-id","allow_cid(10)","allow_gid(10)","deny_cid(10)","deny_gid(10)"), //
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@ -1627,6 +1628,9 @@ function db_definition() {
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"uid_network_created" => array("uid","network","created"),
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"uid_contactid_commented" => array("uid","contact-id","commented"),
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"uid_contactid_created" => array("uid","contact-id","created"),
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"contactid" => array("contact-id"),
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"ownerid" => array("owner-id"),
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"authorid" => array("author-id"),
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"uid_created" => array("uid","created"),
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"uid_commented" => array("uid","commented"),
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"uid_wall_created" => array("uid","wall","created"),
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@ -1,6 +1,6 @@
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<?php
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define('UPDATE_VERSION' , 1221);
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define('UPDATE_VERSION' , 1222);
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/**
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*
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