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https://github.com/emqx/neuron.git
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fix(persist): refresh node and tag count when deleting nodes and groups
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+12
-3
@@ -486,7 +486,9 @@ static inline int node_count_load()
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if (SQLITE_OK == sqlite3_prepare_v2(global_db, query, -1, &stmt, NULL) &&
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SQLITE_ROW == sqlite3_step(stmt)) {
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pthread_rwlock_wrlock(&global_rwlock);
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global_node_count = sqlite3_column_int(stmt, 0);
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pthread_rwlock_unlock(&global_rwlock);
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} else {
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rv = -1;
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}
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@@ -503,7 +505,9 @@ static inline int tag_count_load()
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if (SQLITE_OK == sqlite3_prepare_v2(global_db, query, -1, &stmt, NULL) &&
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SQLITE_ROW == sqlite3_step(stmt)) {
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pthread_rwlock_wrlock(&global_rwlock);
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global_tag_count = sqlite3_column_int(stmt, 0);
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pthread_rwlock_unlock(&global_rwlock);
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} else {
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rv = -1;
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}
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@@ -668,6 +672,7 @@ int neu_persister_delete_node(const char *node_name)
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execute_sql(global_db, "DELETE FROM nodes WHERE name=%Q;", node_name);
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if (0 == rv) {
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node_count_add(-1);
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tag_count_load();
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}
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return rv;
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}
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@@ -1192,9 +1197,13 @@ error:
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int neu_persister_delete_group(const char *driver_name, const char *group_name)
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{
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// rely on foreign key constraints to delete tags and subscriptions
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return execute_sql(global_db,
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"DELETE FROM groups WHERE driver_name=%Q AND name=%Q",
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driver_name, group_name);
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int rv = execute_sql(global_db,
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"DELETE FROM groups WHERE driver_name=%Q AND name=%Q",
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driver_name, group_name);
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if (0 == rv) {
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tag_count_load();
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}
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return rv;
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}
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int neu_persister_store_node_setting(const char *node_name, const char *setting)
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