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Conversation entries where id==0 would screw up the "re-auto-increment" sequencing

This commit is contained in:
Mikael Nordfeldth 2016-01-06 22:26:17 +01:00
parent 6924bb1d29
commit 05d3622939
1 changed files with 27 additions and 1 deletions
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28
classes/Conversation.php
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@ -34,7 +34,7 @@ if (!defined('GNUSOCIAL')) { exit(1); }
class Conversation extends Managed_DataObject
{
public $__table = 'conversation'; // table name
public $id; // int(4) primary_key not_null
public $id; // int(4) primary_key not_null auto_increment
public $uri; // varchar(191) unique_key not 255 because utf8mb4 takes more space
public $created; // datetime not_null
public $modified; // timestamp not_null default_CURRENT_TIMESTAMP
@ -55,6 +55,32 @@ class Conversation extends Managed_DataObject
);
}
static public function beforeSchemaUpdate()
{
$table = strtolower(get_called_class());
$schema = Schema::get();
$schemadef = $schema->getTableDef($table);
// 2016-01-06 We have to make sure there is no conversation with id==0 since it will screw up auto increment resequencing
if ($schemadef['fields']['id']['auto_increment']) {
// since we already have auto incrementing ('serial') we can continue
return;
}
// The conversation will be recreated in upgrade.php, which will
// generate a new URI, but that's collateral damage for you.
$conv = new Conversation();
$conv->id = 0;
if ($conv->find()) {
while ($conv->fetch()) {
// Since we have filtered on 0 this only deletes such entries
// which I have been afraid wouldn't work, but apparently does!
// (I thought it would act as null or something and find _all_ conversation entries)
$conv->delete();
}
}
}
/**
* Factory method for creating a new conversation.
*