Fixed a problem with the annotation batch operation test.

git-svn-id: http://code.elgg.org/elgg/trunk@9009 36083f99-b078-4883-b0ff-0f9b5a30f544

3 files changed, 33 insertions, 18 deletions

diff --git a/engine/lib/annotations.php b/engine/lib/annotations.php
index 7a4e62921..ca8f6b2e1 100644
--- a/engine/lib/annotations.php
+++ b/engine/lib/annotations.php
@@ -404,6 +404,7 @@ function elgg_list_entities_from_annotations($options = array()) {
  * @return mixed
  */
 function elgg_get_entities_from_annotation_calculation($options) {
+	$db_prefix = elgg_get_config('dbprefix');
 	$defaults = array(
 		'calculation' => 'sum',
 		'order_by' => 'calculation desc'
@@ -415,14 +416,14 @@ function elgg_get_entities_from_annotation_calculation($options) {
 
 	// you must cast this as an int or it sorts wrong.
 	$options['selects'][] = 'e.*';
-	$options['selects'][] = "$function(cast(v.string as signed)) as calculation";
+//	$options['selects'][] = 'a_msv as value';
+	$options['selects'][] = "$function(cast(a_msv.string as signed)) as calculation";
 
-	// need our own join to get the values.
-//	$options['joins'][] = "JOIN {$db_prefix}metastrings msv ON a.value_id = msv.id";
-//	$options['joins'][] = "JOIN {$db_prefix}entities ae ON a.entity_guid = ae.guid";
+	// need our own join to get the values because the lower level functions don't
+	// add all the joins if it's a different callback.
+	$options['joins'][] = "JOIN {$db_prefix}metastrings a_msv ON n_table.value_id = a_msv.id";
 
-	$options['wheres'][] = get_access_sql_suffix('n_table');
-//	$options['wheres'][] = "e.guid = a.entity_guid";
+	// don't need access control because it's taken care of by elgg_get_annotations.
 	$options['group_by'] = 'n_table.entity_guid';
 
 	$options['callback'] = 'entity_row_to_elggstar';
diff --git a/engine/lib/elgglib.php b/engine/lib/elgglib.php
index 6c94133df..e9172d184 100644
--- a/engine/lib/elgglib.php
+++ b/engine/lib/elgglib.php
@@ -1623,8 +1623,9 @@ function is_not_null($string) {
  * names by singular names.
  *
  * @param array $options   The options array. $options['keys'] = 'values';
- * @param array $singulars A list of sinular words to pluralize by adding 's'.
+ * @param array $singulars A list of singular words to pluralize by adding 's'.
  *
+ * @access private
  * @return array
  * @since 1.7.0
  */
diff --git a/engine/lib/metastrings.php b/engine/lib/metastrings.php
index 655617ac6..4dda05e6b 100644
--- a/engine/lib/metastrings.php
+++ b/engine/lib/metastrings.php
@@ -373,11 +373,24 @@ function elgg_get_metastring_based_objects($options) {
 	}
 
 	$joins = $options['joins'];
-
 	$joins[] = "JOIN {$db_prefix}entities e ON n_table.entity_guid = e.guid";
-	$joins[] = "JOIN {$db_prefix}metastrings n on n_table.name_id = n.id";
-	$joins[] = "JOIN {$db_prefix}metastrings v on n_table.value_id = v.id";
 
+	if (!is_array($options['selects'])) {
+		$options['selects'] = array($options['selects']);
+	}
+
+	$selects = $options['selects'];
+
+	// For performance reasons we don't want the joins required for metadata / annotations
+	// unless we're going through one of their callbacks.
+	// this means we expect the functions passing different callbacks to pass their required joins.
+	if ($options['callback'] == 'row_to_elggmetadata' || $options['callback'] == 'row_to_elggannotation') {
+		$joins[] = "JOIN {$db_prefix}metastrings n on n_table.name_id = n.id";
+		$joins[] = "JOIN {$db_prefix}metastrings v on n_table.value_id = v.id";
+
+		$selects[] = 'n.string as name';
+		$selects[] = 'v.string as value';
+	}
 
 	// remove identical join clauses
 	$joins = array_unique($joins);
@@ -406,19 +419,19 @@ function elgg_get_metastring_based_objects($options) {
 	}
 
 	if ($options['metastring_calculation'] === ELGG_ENTITIES_NO_VALUE) {
+		$selects = array_unique($selects);
 		// evalutate selects
-		if ($options['selects']) {
-			$selects = '';
-			foreach ($options['selects'] as $select) {
-				$selects .= ", $select";
+		$select_str = '';
+		if ($selects) {
+			foreach ($selects as $select) {
+				$select_str .= ", $select";
 			}
-		} else {
-			$selects = '';
 		}
 
-		$query = "SELECT DISTINCT n_table.*, n.string as name,
-			v.string as value{$selects} FROM {$db_prefix}$type n_table";
+		$query = "SELECT DISTINCT n_table.*{$select_str} FROM {$db_prefix}$type n_table";
 	} else {
+		// @todo this will break if you're counting on an annotation calculation because of the joins
+		// that's a dumb thing to do anyway, but it shouldn't make bad queries
 		$query = "SELECT {$options['metastring_calculation']}(v.string) as calculation FROM {$db_prefix}$type n_table";
 	}