/**
* @param DatabasePostgres $dbw
* @param int $id
* @param LoggerInterface $logger
*/
public function __construct(DatabasePostgres $dbw, $id, LoggerInterface $logger)
{
$this->dbw = $dbw;
$this->logger = $logger;
$this->id = $id;
$this->didbegin = false;
/* If we are not in a transaction, we need to be for savepoint trickery */
if (!$dbw->trxLevel()) {
$dbw->begin(__CLASS__, DatabasePostgres::TRANSACTION_INTERNAL);
$this->didbegin = true;
}
}
function update($pageid, $title, $text)
{
## We don't want to index older revisions
$SQL = "UPDATE pagecontent SET textvector = NULL WHERE old_id IN " . "(SELECT rev_text_id FROM revision WHERE rev_page = " . intval($pageid) . " ORDER BY rev_text_id DESC OFFSET 1)";
$this->db->query($SQL);
return true;
}
protected function tsearchFixes()
{
# Tweak the page_title tsearch2 trigger to filter out slashes
# This is create or replace, so harmless to call if not needed
$this->applyPatch('patch-ts2pagetitle.sql', false, "Refreshing ts2_page_title()");
# If the server is 8.3 or higher, rewrite the tsearch2 triggers
# in case they have the old 'default' versions
# Gather version numbers in case we need them
if ($this->db->getServerVersion() >= 8.300000000000001) {
$this->applyPatch('patch-tsearch2funcs.sql', false, "Rewriting tsearch2 triggers");
}
}
function tableName($name, $format = 'quoted')
{
global $wgDBmwschema;
switch ($name) {
case 'interwiki':
$v = 'plugin_mediawiki_interwiki';
break;
default:
return DatabasePostgres::tableName($name, $format);
}
if ($wgDBmwschema != 'public') {
$v = 'public.' . $v;
}
return $v;
}
/**
* @param DatabasePostgres $db
* @param string $table
* @param string $field
* @return null|PostgresField
*/
static function fromText(DatabasePostgres $db, $table, $field)
{
$q = <<<SQL
SELECT
attnotnull, attlen, conname AS conname,
atthasdef,
adsrc,
COALESCE(condeferred, 'f') AS deferred,
COALESCE(condeferrable, 'f') AS deferrable,
CASE WHEN typname = 'int2' THEN 'smallint'
WHEN typname = 'int4' THEN 'integer'
WHEN typname = 'int8' THEN 'bigint'
WHEN typname = 'bpchar' THEN 'char'
ELSE typname END AS typname
FROM pg_class c
JOIN pg_namespace n ON (n.oid = c.relnamespace)
JOIN pg_attribute a ON (a.attrelid = c.oid)
JOIN pg_type t ON (t.oid = a.atttypid)
LEFT JOIN pg_constraint o ON (o.conrelid = c.oid AND a.attnum = ANY(o.conkey) AND o.contype = 'f')
LEFT JOIN pg_attrdef d on c.oid=d.adrelid and a.attnum=d.adnum
WHERE relkind = 'r'
AND nspname=%s
AND relname=%s
AND attname=%s;
SQL;
$table = $db->remappedTableName($table);
$res = $db->query(sprintf($q, $db->addQuotes($db->getCoreSchema()), $db->addQuotes($table), $db->addQuotes($field)));
$row = $db->fetchObject($res);
if (!$row) {
return null;
}
$n = new PostgresField();
$n->type = $row->typname;
$n->nullable = $row->attnotnull == 'f';
$n->name = $field;
$n->tablename = $table;
$n->max_length = $row->attlen;
$n->deferrable = $row->deferrable == 't';
$n->deferred = $row->deferred == 't';
$n->conname = $row->conname;
$n->has_default = $row->atthasdef === 't';
$n->default = $row->adsrc;
return $n;
}
