From: Greg Sabino Mullane <greg@users.mediawiki.org>
Date: Tue, 18 Dec 2007 15:44:18 +0000 (+0000)
Subject: Add currentSequenceValue() function.
X-Git-Tag: 1.31.0-rc.0~50363
X-Git-Url: http://git.cyclocoop.org/%22.%24h.%22?a=commitdiff_plain;h=7e27f2fa571567415f1ea661dd55eb3a900a8acb;p=lhc%2Fweb%2Fwiklou.git

Add currentSequenceValue() function.
---

diff --git a/includes/DatabasePostgres.php b/includes/DatabasePostgres.php
index fa0d6dd735..48c99dbd8c 100644
--- a/includes/DatabasePostgres.php
+++ b/includes/DatabasePostgres.php
@@ -797,6 +797,18 @@ class DatabasePostgres extends Database {
 		return $this->mInsertId;
 	}
 
+	/**
+	 * Return the current value of a sequence. Assumes it has ben nextval'ed in this session.
+	 */
+	function currentSequenceValue( $seqName ) {
+		$safeseq = preg_replace( "/'/", "''", $seqName );
+		$res = $this->query( "SELECT currval('$safeseq')" );
+		$row = $this->fetchRow( $res );
+		$currval = $row[0];
+		$this->freeResult( $res );
+		return $currval;
+	}
+
 	/**
 	 * Postgres does not have a "USE INDEX" clause, so return an empty string
 	 */