Index: wp-includes/general-template.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- wp-includes/general-template.php	(revision 5cd5252964c99595dd76adc271b31ce744a74dac)
+++ wp-includes/general-template.php	(revision )
@@ -1631,9 +1631,11 @@
 	if ( !is_array($cache) )
 		$cache = array();
 
+	$post_type = apply_filters('get_calendar_post_type', 'post');
+
 	// Quick check. If we have no posts at all, abort!
 	if ( !$posts ) {
-		$gotsome = $wpdb->get_var("SELECT 1 as test FROM $wpdb->posts WHERE post_type = 'post' AND post_status = 'publish' LIMIT 1");
+		$gotsome = $wpdb->get_var("SELECT 1 as test FROM $wpdb->posts WHERE post_type = '".$post_type."' AND post_status = 'publish' LIMIT 1");
 		if ( !$gotsome ) {
 			$cache[ $key ] = '';
 			wp_cache_set( 'get_calendar', $cache, 'calendar' );
@@ -1674,13 +1676,13 @@
 	$previous = $wpdb->get_row("SELECT MONTH(post_date) AS month, YEAR(post_date) AS year
 		FROM $wpdb->posts
 		WHERE post_date < '$thisyear-$thismonth-01'
-		AND post_type = 'post' AND post_status = 'publish'
+		AND post_type = '".$post_type."' AND post_status = 'publish'
 			ORDER BY post_date DESC
 			LIMIT 1");
 	$next = $wpdb->get_row("SELECT MONTH(post_date) AS month, YEAR(post_date) AS year
 		FROM $wpdb->posts
 		WHERE post_date > '$thisyear-$thismonth-{$last_day} 23:59:59'
-		AND post_type = 'post' AND post_status = 'publish'
+		AND post_type = '".$post_type."' AND post_status = 'publish'
 			ORDER BY post_date ASC
 			LIMIT 1");
 
@@ -1736,7 +1738,7 @@
 	// Get days with posts
 	$dayswithposts = $wpdb->get_results("SELECT DISTINCT DAYOFMONTH(post_date)
 		FROM $wpdb->posts WHERE post_date >= '{$thisyear}-{$thismonth}-01 00:00:00'
-		AND post_type = 'post' AND post_status = 'publish'
+		AND post_type = '".$post_type."' AND post_status = 'publish'
 		AND post_date <= '{$thisyear}-{$thismonth}-{$last_day} 23:59:59'", ARRAY_N);
 	if ( $dayswithposts ) {
 		foreach ( (array) $dayswithposts as $daywith ) {
@@ -1754,7 +1756,7 @@
 		."FROM $wpdb->posts "
 		."WHERE post_date >= '{$thisyear}-{$thismonth}-01 00:00:00' "
 		."AND post_date <= '{$thisyear}-{$thismonth}-{$last_day} 23:59:59' "
-		."AND post_type = 'post' AND post_status = 'publish'"
+		."AND post_type = '".$post_type."' AND post_status = 'publish'"
 	);
 	if ( $ak_post_titles ) {
 		foreach ( (array) $ak_post_titles as $ak_post_title ) {