[tracker-miners/wip/carlosg/shuffle-libtracker-miner: 36/116] libtracker-miner: Remove bulk sparql buffer operations



commit b1137c0437bfc2cf504fe3a61349fef396da7f04
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sat Oct 21 01:13:45 2017 +0200

    libtracker-miner: Remove bulk sparql buffer operations
    
    Those have been unused for quite some time now.

 src/libtracker-miner/tracker-sparql-buffer.c | 181 +--------------------------
 src/libtracker-miner/tracker-sparql-buffer.h |   9 --
 2 files changed, 1 insertion(+), 189 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-sparql-buffer.c b/src/libtracker-miner/tracker-sparql-buffer.c
index 063dc0c5b..437ced341 100644
--- a/src/libtracker-miner/tracker-sparql-buffer.c
+++ b/src/libtracker-miner/tracker-sparql-buffer.c
@@ -32,7 +32,6 @@ typedef struct _TrackerSparqlBufferPrivate TrackerSparqlBufferPrivate;
 typedef struct _SparqlTaskData SparqlTaskData;
 typedef struct _UpdateArrayData UpdateArrayData;
 typedef struct _UpdateData UpdateData;
-typedef struct _BulkOperationMerge BulkOperationMerge;
 
 enum {
        PROP_0,
@@ -42,7 +41,6 @@ enum {
 enum {
        TASK_TYPE_SPARQL_STR,
        TASK_TYPE_SPARQL,
-       TASK_TYPE_BULK
 };
 
 struct _TrackerSparqlBufferPrivate
@@ -60,11 +58,6 @@ struct _SparqlTaskData
        union {
                gchar *str;
                TrackerSparqlBuilder *builder;
-
-               struct {
-                       gchar *str;
-                       guint flags;
-               } bulk;
        } data;
 
        GTask *async_task;
@@ -81,13 +74,6 @@ struct _UpdateArrayData {
        GArray *sparql_array;
 };
 
-struct _BulkOperationMerge {
-       const gchar *bulk_operation;
-       GList *tasks;
-};
-
-
-
 G_DEFINE_TYPE (TrackerSparqlBuffer, tracker_sparql_buffer, TRACKER_TYPE_TASK_POOL)
 
 static void
@@ -300,9 +286,6 @@ tracker_sparql_buffer_update_array_cb (GObject      *object,
                                case TASK_TYPE_SPARQL:
                                        sparql = tracker_sparql_builder_get_result (task_data->data.builder);
                                        break;
-                               case TASK_TYPE_BULK:
-                                       sparql = task_data->data.bulk.str;
-                                       break;
                                default:
                                        break;
                                }
@@ -342,134 +325,12 @@ tracker_sparql_buffer_update_array_cb (GObject      *object,
        }
 }
 
-static gchar *
-bulk_operation_merge_finish (BulkOperationMerge *merge)
-{
-       if (merge->bulk_operation && merge->tasks) {
-               GString *equals_string = NULL, *children_string = NULL, *sparql;
-               gint n_equals = 0;
-               gboolean include_logical_resources = FALSE;
-               GList *l;
-
-               for (l = merge->tasks; l; l = l->next) {
-                       SparqlTaskData *task_data;
-                       TrackerTask *task = l->data;
-                       gchar *uri;
-
-                       task_data = tracker_task_get_data (task);
-                       uri = g_file_get_uri (tracker_task_get_file (task));
-
-                       if (task_data->data.bulk.flags & TRACKER_BULK_MATCH_EQUALS) {
-                               if (!equals_string) {
-                                       equals_string = g_string_new ("");
-                               } else {
-                                       g_string_append_c (equals_string, ',');
-                               }
-
-                               g_string_append_printf (equals_string, "\"%s\"", uri);
-                               n_equals++;
-                       }
-
-                       if (task_data->data.bulk.flags & TRACKER_BULK_MATCH_CHILDREN) {
-                               gchar *dir_uri;
-
-                               if (!children_string) {
-                                       children_string = g_string_new (NULL);
-                               } else {
-                                       g_string_append (children_string, "||");
-                               }
-
-                               if (uri[strlen (uri) - 1] == '/')
-                                       dir_uri = g_strdup (uri);
-                               else
-                                       dir_uri = g_strdup_printf ("%s/", uri);
-
-                               g_string_append_printf (children_string,
-                                                       "STRSTARTS (?u, \"%s\")",
-                                                       dir_uri);
-                               g_free (dir_uri);
-                       }
-
-                       if (task_data->data.bulk.flags & TRACKER_BULK_MATCH_LOGICAL_RESOURCES) {
-                               include_logical_resources = TRUE;
-                       }
-
-                       g_free (uri);
-               }
-
-               sparql = g_string_new ("");
-
-               if (equals_string) {
-                       g_string_append (sparql, merge->bulk_operation);
-                       g_string_append_printf (sparql, " WHERE { ");
-
-                       if (n_equals == 1) {
-                               g_string_append_printf (sparql,
-                                                       "  ?f nie:url %s .",
-                                                       equals_string->str);
-                       } else {
-                               g_string_append_printf (sparql,
-                                                       "  ?f nie:url ?u ."
-                                                       "  FILTER (?u IN (%s))",
-                                                       equals_string->str);
-                       }
-                       g_string_free (equals_string, TRUE);
-
-                       if (include_logical_resources) {
-                               g_string_append (sparql, "  ?ie nie:isStoredAs ?f .");
-                       }
-                       g_string_append_printf (sparql, " } ");
-               }
-
-               if (children_string) {
-                       g_string_append (sparql, merge->bulk_operation);
-                       g_string_append_printf (sparql,
-                                               " WHERE { "
-                                               "  ?f nie:url ?u ."
-                                               "  FILTER (%s)",
-                                               children_string->str);
-                       g_string_free (children_string, TRUE);
-
-                       if (include_logical_resources) {
-                               g_string_append (sparql, "  ?ie nie:isStoredAs ?f .");
-                       }
-                       g_string_append_printf (sparql, "} ");
-               }
-
-               return g_string_free (sparql, FALSE);
-       }
-
-       return NULL;
-}
-
-static BulkOperationMerge *
-bulk_operation_merge_new (const gchar *bulk_operation)
-{
-       BulkOperationMerge *operation;
-
-       operation = g_slice_new0 (BulkOperationMerge);
-       operation->bulk_operation = bulk_operation;
-
-       return operation;
-}
-
-static void
-bulk_operation_merge_free (BulkOperationMerge *operation)
-{
-       g_list_foreach (operation->tasks,
-                       (GFunc) tracker_task_unref,
-                       NULL);
-       g_list_free (operation->tasks);
-       g_slice_free (BulkOperationMerge, operation);
-}
-
 gboolean
 tracker_sparql_buffer_flush (TrackerSparqlBuffer *buffer,
                              const gchar         *reason)
 {
        TrackerSparqlBufferPrivate *priv;
        GArray *sparql_array;
-       GPtrArray *bulk_sparql;
        UpdateArrayData *update_data;
        gint i;
 
@@ -493,7 +354,6 @@ tracker_sparql_buffer_flush (TrackerSparqlBuffer *buffer,
 
        /* Loop buffer and construct array of strings */
        sparql_array = g_array_new (FALSE, TRUE, sizeof (gchar *));
-       bulk_sparql = g_ptr_array_new_with_free_func ((GDestroyNotify) g_free);
 
        for (i = 0; i < priv->tasks->len; i++) {
                SparqlTaskData *task_data;
@@ -509,19 +369,6 @@ tracker_sparql_buffer_flush (TrackerSparqlBuffer *buffer,
 
                        str = tracker_sparql_builder_get_result (task_data->data.builder);
                        g_array_append_val (sparql_array, str);
-               } else if (task_data->type == TASK_TYPE_BULK) {
-                       BulkOperationMerge *bulk = NULL;
-                       gchar *str;
-
-                       bulk = bulk_operation_merge_new (task_data->data.bulk.str);
-                       bulk->tasks = g_list_prepend (bulk->tasks,
-                                                     tracker_task_ref (task));
-
-                       str = bulk_operation_merge_finish (bulk);
-                       g_ptr_array_add (bulk_sparql, str);
-                       g_array_append_val (sparql_array, str);
-
-                       bulk_operation_merge_free (bulk);
                }
        }
 
@@ -546,10 +393,6 @@ tracker_sparql_buffer_flush (TrackerSparqlBuffer *buffer,
                                                      NULL,
                                                      tracker_sparql_buffer_update_array_cb,
                                                      update_data);
-
-       /* These strings we generated here can be freed now */
-       g_ptr_array_free (bulk_sparql, TRUE);
-
        return TRUE;
 }
 
@@ -667,8 +510,7 @@ tracker_sparql_buffer_push (TrackerSparqlBuffer *buffer,
                                      (GDestroyNotify) tracker_task_unref);
        }
 
-       if (priority <= G_PRIORITY_HIGH &&
-           data->type != TASK_TYPE_BULK) {
+       if (priority <= G_PRIORITY_HIGH) {
                sparql_buffer_push_high_priority (buffer, task, data);
        } else {
                sparql_buffer_push_to_pool (buffer, task);
@@ -692,10 +534,6 @@ sparql_task_data_new (guint    type,
        case TASK_TYPE_SPARQL:
                task_data->data.builder = g_object_ref (data);
                break;
-       case TASK_TYPE_BULK:
-               task_data->data.bulk.str = data;
-               task_data->data.bulk.flags = flags;
-               break;
        }
 
        return task_data;
@@ -711,9 +549,6 @@ sparql_task_data_free (SparqlTaskData *data)
        case TASK_TYPE_SPARQL:
                g_object_unref (data->data.builder);
                break;
-       case TASK_TYPE_BULK:
-               /* nothing to free, the string is interned */
-               break;
        }
 
        if (data->async_task) {
@@ -757,20 +592,6 @@ tracker_sparql_task_new_with_sparql (GFile                *file,
                                 (GDestroyNotify) sparql_task_data_free);
 }
 
-TrackerTask *
-tracker_sparql_task_new_bulk (GFile                *file,
-                              const gchar          *sparql_str,
-                              TrackerBulkTaskFlags  flags)
-{
-       SparqlTaskData *data;
-
-       data = sparql_task_data_new (TASK_TYPE_BULK,
-                                    (gchar *) g_intern_string (sparql_str),
-                                    flags);
-       return tracker_task_new (file, data,
-                                (GDestroyNotify) sparql_task_data_free);
-}
-
 TrackerTask *
 tracker_sparql_buffer_push_finish (TrackerSparqlBuffer  *buffer,
                                    GAsyncResult         *res,
diff --git a/src/libtracker-miner/tracker-sparql-buffer.h b/src/libtracker-miner/tracker-sparql-buffer.h
index f7f34bdbe..869c5c3e0 100644
--- a/src/libtracker-miner/tracker-sparql-buffer.h
+++ b/src/libtracker-miner/tracker-sparql-buffer.h
@@ -42,12 +42,6 @@ G_BEGIN_DECLS
 typedef struct _TrackerSparqlBuffer TrackerSparqlBuffer;
 typedef struct _TrackerSparqlBufferClass TrackerSparqlBufferClass;
 
-typedef enum {
-       TRACKER_BULK_MATCH_EQUALS   = 1 << 0,
-       TRACKER_BULK_MATCH_CHILDREN = 1 << 1,
-       TRACKER_BULK_MATCH_LOGICAL_RESOURCES = 1 << 2
-} TrackerBulkTaskFlags;
-
 struct _TrackerSparqlBuffer
 {
        TrackerTaskPool parent_instance;
@@ -83,9 +77,6 @@ TrackerTask *        tracker_sparql_task_new_with_sparql_str (GFile
                                                               const gchar          *sparql_str);
 TrackerTask *        tracker_sparql_task_new_with_sparql     (GFile                *file,
                                                               TrackerSparqlBuilder *builder);
-TrackerTask *        tracker_sparql_task_new_bulk            (GFile                *file,
-                                                              const gchar          *sparql_str,
-                                                              TrackerBulkTaskFlags  flags);
 
 G_END_DECLS
 


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