script

scripts/db/reset_indexes.js

+var list_of_final_index_names = [
+    "parent_id_1",
+    "parent_ids_1",
+    "tags_array_1",
+    "votes.up_1__type_1",
+    "votes.down_1__type_1",
+    "commentable_id_1_created_at_-1",
+    "course_id_1__type_1_created_at_-1",
+    "_type_1_comment_thread_id_1_author_id_1_updated_at_1",
+    "comment_thread_id_1_sk_1",
+    "comment_thread_id_1_endorsed_1",
+    "_type_1_course_id_1_pinned_-1_created_at_-1",
+    "_type_1_course_id_1_pinned_-1_comment_count_-1_created_at_-1",
+    "_type_1_course_id_1_pinned_-1_votes.point_-1_created_at_-1",
+    "commentable_id_1",
+    "_type_1_course_id_1_context_1_pinned_-1_created_at_-1",
+    "_type_1_context_1",
+    "_type_-1_course_id_1_context_1_pinned_-1_last_activity_at_-1_created_at_-1",
+    "_type_-1_course_id_1_commentable_id_1_context_1_pinned_-1_created_at_-1",
+    "_type_-1_course_id_1_endorsed_-1_pinned_-1_last_activity_at_-1_created_at_-1",
+    "_type_-1_course_id_1_endorsed_-1_pinned_-1_votes.point_-1_created_at_-1",
+    "_type_-1_course_id_1_endorsed_-1_pinned_-1_comment_count_-1_created_at_-1",
+    "author_id_1_course_id_1"
+];
+
+var list_of_final_index_commands = [
+    '{parent_id: 1}, { background: true }',
+    '{parent_ids: 1}, { background: true }',
+    '{tags_array: 1}, { background: true }',
+    '{votes.up: 1, _type: 1}, { background: true }',
+    '{votes.down: 1, _type: 1}, { background: true }',
+    '{commentable_id: 1, created_at: -1}, { background: true }',
+    '{course_id: 1, _type: 1, created_at: -1}, { background: true }',
+    '{_type: 1, comment_thread_id: 1, author_id: 1, updated_at: 1}, { background: true }',
+    '{comment_thread_id: 1, sk: 1}, { background: true , sparse: true}',
+    '{comment_thread_id: 1, endorsed: 1}, { background: true , sparse: true}',
+    '{_type: 1, course_id: 1, pinned: -1, created_at: -1}, { background: true }',
+    '{_type: 1, course_id: 1, pinned: -1, comment_count: -1, created_at: -1}, { background: true }',
+    '{_type: 1, course_id: 1, pinned: -1, votes.point: -1, created_at: -1}, { background: true }',
+    '{commentable_id: 1}, { background: true , sparse: true}',
+    '{_type: 1, course_id: 1, context: 1, pinned: -1, created_at: -1}, { background: true }',
+    '{_type: 1, context: 1}, { background: true }',
+    '{_type: -1, course_id: 1, context: 1, pinned: -1, last_activity_at: -1, created_at: -1}, { background: true }',
+    '{_type: -1, course_id: 1, commentable_id: 1, context: 1, pinned: -1, created_at: -1}, { background: true }',
+    '{_type: -1, course_id: 1, endorsed: -1, pinned: -1, last_activity_at: -1, created_at: -1}, { background: true }',
+    '{_type: -1, course_id: 1, endorsed: -1, pinned: -1, votes.point: -1, created_at: -1}, { background: true }',
+    '{_type: -1, course_id: 1, endorsed: -1, pinned: -1, comment_count: -1, created_at: -1}, { background: true }',
+    '{author_id: 1, course_id: 1}, { background: true }'
+];
+
+print("Getting list of indexes...");
+var json_of_indexes = db.collection.getIndexes();
+    json_of_indexes = JSON.parse(json);
+
+var list_of_current_index_names = [];
+
+for (index = 0; index < json_of_indexes.length; index++) { 
+    list_of_current_index_names.push(index.name);
+}
+
+print("Current list of indexes:");
+print(list_of_current_index_names);
+
+print("Ensuring indexes...");
+for (index = 0; index < list_of_final_index_commands.length; index++) { 
+    print("Ensuring".concat(index));
+    db.collection.ensureIndex(index);
+
+print("Dropping extra indexes");
+
+for (index = 0; index < list_of_final_index_names.length; index++) { 
+    if (list_of_current_index_names.indexOf(index > -1);
+    print("Dropping".concat(index));
+    db.collection.dropIndex(index);
+
+