$this->mDescription = "Fetch the revision text from an old_id";
}
- public function execute() {
+ /*
+ * returns a string containing the following in order:
+ * textid
+ * \n
+ * length of text (-1 on error = failure to retrieve/unserialize/gunzip/etc)
+ * \n
+ * text (may be empty)
+ *
+ * note that that the text string itself is *not* followed by newline
+ */
+ public function execute() {
$db = wfGetDB( DB_SLAVE );
$stdin = $this->getStdin();
while ( !feof( $stdin ) ) {
}
$textId = intval( $line );
$text = $this->doGetText( $db, $textId );
- $this->output( $textId . "\n" . strlen( $text ) . "\n" . $text );
+ if ($text === false) {
+ # actual error, not zero-length text
+ $textLen = "-1";
+ }
+ else {
+ $textLen = strlen($text);
+ }
+ $this->output( $textId . "\n" . $textLen . "\n" . $text );
}
}
-
+
/**
- * May throw a database error if, say, the server dies during query.
+ * May throw a database error if, say, the server dies during query.
* @param $db Database object
* @param $id int The old_id
* @return String
- */
+ */
private function doGetText( $db, $id ) {
$id = intval( $id );
$row = $db->selectRow( 'text',