work on #5010

src/auditordb/plugin_auditordb_postgres.c

@@ -1159,16 +1159,13 @@ postgres_gc (void *cls)
  * @param cls the @e cls of this struct with the plugin-specific state
  * @param session connection to use
  * @param issue issuing information with value, fees and other info about the denomination
- * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
+ * @return operation status result
  */
-static int
+static enum GNUNET_DB_QueryStatus
 postgres_insert_denomination_info (void *cls,
                                    struct TALER_AUDITORDB_Session *session,
                                    const struct TALER_DenominationKeyValidityPS *issue)
 {
-  PGresult *result;
-  int ret;
-
   struct GNUNET_PQ_QueryParam params[] = {
     GNUNET_PQ_query_param_auto_from_type (&issue->denom_hash),
     GNUNET_PQ_query_param_auto_from_type (&issue->master),
@@ -1198,20 +1195,9 @@ postgres_insert_denomination_info (void *cls,
                  TALER_amount_cmp_currency_nbo (&issue->value,
                                                &issue->fee_refund));
 
-  result = GNUNET_PQ_exec_prepared (session->conn,
+  return GNUNET_PQ_eval_prepared_non_select (session->conn,
 					     "auditor_denominations_insert",
 					     params);
-  if (PGRES_COMMAND_OK != PQresultStatus (result))
-  {
-    ret = GNUNET_SYSERR;
-    BREAK_DB_ERR (result);
-  }
-  else
-  {
-    ret = GNUNET_OK;
-  }
-  PQclear (result);
-  return ret;
 }
 
 
@@ -1237,6 +1223,7 @@ postgres_select_denomination_info (void *cls,
     GNUNET_PQ_query_param_end
   };
   PGresult *result;
+
   result = GNUNET_PQ_exec_prepared (session->conn,
                                     "auditor_denominations_select",
                                     params);

src/auditordb/test_auditordb.c

@@ -19,6 +19,7 @@
  * @author Gabor X Toth
  */
 #include "platform.h"
+#include <gnunet/gnunet_db_lib.h>
 #include "taler_auditordb_lib.h"
 #include "taler_auditordb_plugin.h"
 
@@ -193,7 +194,7 @@ run (void *cls)
   TALER_amount_hton (&issue.fee_refresh, &fee_refresh);
   TALER_amount_hton (&issue.fee_refund, &fee_refund);
 
-  FAILIF (GNUNET_OK !=
+  FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
           plugin->insert_denomination_info (plugin->cls,
                                             session,
                                             &issue));

src/exchange/taler-exchange-httpd_keystate.c

@@ -485,11 +485,11 @@ reload_keys_denom_iter (void *cls,
                             session);
       break;
     }
-    res = TEH_plugin->insert_denomination_info (TEH_plugin->cls,
+    qs = TEH_plugin->insert_denomination_info (TEH_plugin->cls,
 					       session,
 					       &dki->denom_pub,
 					       &dki->issue);
-    if (GNUNET_OK != res)
+    if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != qs)
     {
       /* Insert failed!? Very bad error, log and retry */
       GNUNET_break (0);

src/exchange/test_taler_exchange_aggregator.c

@@ -1143,7 +1143,7 @@ run (void *cls)
   if ( (GNUNET_OK !=
         plugin->start (plugin->cls,
                        session)) ||
-       (GNUNET_OK !=
+       (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
         plugin->insert_denomination_info (plugin->cls,
                                           session,
                                           &dpk,

src/exchangedb/perf_taler_exchangedb_interpreter.c

@@ -1,6 +1,6 @@
 /*
    This file is part of TALER
-   Copyright (C) 2014, 2015 GNUnet e.V.
+   Copyright (C) 2014-2017 GNUnet e.V.
 
    TALER is free software; you can redistribute it and/or modify it under the
    terms of the GNU General Public License as published by the Free Software
@@ -1446,7 +1446,7 @@ interpret (struct PERF_TALER_EXCHANGEDB_interpreter_state *state)
       case PERF_TALER_EXCHANGEDB_CMD_INSERT_DENOMINATION:
         {
           unsigned int denom_index;
-          int ret;
+          enum GNUNET_DB_QueryStatus ret;
           struct TALER_EXCHANGEDB_DenominationKeyIssueInformation *dki ;
 
           denom_index = state->cmd[state->i].details.insert_denomination.index_denom;
@@ -1455,7 +1455,7 @@ interpret (struct PERF_TALER_EXCHANGEDB_interpreter_state *state)
                                                          state->session,
                                                          &dki->denom_pub,
                                                          &dki->issue);
-          GNUNET_assert (GNUNET_SYSERR != ret);
+          GNUNET_assert (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == ret);
         }
         break;
 

src/exchangedb/plugin_exchangedb_postgres.c

@@ -1775,9 +1775,9 @@ execute_prepared_non_select (struct TALER_EXCHANGEDB_Session *session,
  * @param session connection to use
  * @param denom_pub the public key used for signing coins of this denomination
  * @param issue issuing information with value, fees and other info about the coin
- * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
+ * @return status of the query
  */
-static int
+static enum GNUNET_DB_QueryStatus
 postgres_insert_denomination_info (void *cls,
                                    struct TALER_EXCHANGEDB_Session *session,
                                    const struct TALER_DenominationPublicKey *denom_pub,
@@ -1814,7 +1814,7 @@ postgres_insert_denomination_info (void *cls,
                  TALER_amount_cmp_currency_nbo (&issue->properties.value,
                                                &issue->properties.fee_refund));
 
-  return execute_prepared_non_select (session,
+  return GNUNET_PQ_eval_prepared_non_select (session->conn,
 					     "denomination_insert",
 					     params);
 }

src/exchangedb/test_exchangedb.c

@@ -259,7 +259,7 @@ create_denom_key_pair (unsigned int size,
 
   dki.issue.properties.purpose.size = htonl (sizeof (struct TALER_DenominationKeyValidityPS));
   dki.issue.properties.purpose.purpose = htonl (TALER_SIGNATURE_MASTER_DENOMINATION_KEY_VALIDITY);
-  if (GNUNET_OK !=
+  if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
       plugin->insert_denomination_info (plugin->cls,
                                         session,
                                         &dki.denom_pub,

src/include/taler_auditordb_plugin.h

@@ -275,9 +275,9 @@ struct TALER_AUDITORDB_Plugin
    * @param cls the @e cls of this struct with the plugin-specific state
    * @param session connection to use
    * @param issue issuing information with value, fees and other info about the denomination
-   * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
+   * @return status of database operation
    */
-  int
+  enum GNUNET_DB_QueryStatus
   (*insert_denomination_info)(void *cls,
                               struct TALER_AUDITORDB_Session *session,
                               const struct TALER_DenominationKeyValidityPS *issue);

src/include/taler_exchangedb_plugin.h

@@ -1135,9 +1135,9 @@ struct TALER_EXCHANGEDB_Plugin
    * @param session connection to use
    * @param denom_pub the public key used for signing coins of this denomination
    * @param issue issuing information with value, fees and other info about the denomination
-   * @return #GNUNET_OK on success; #GNUNET_SYSERR on failure
+   * @return status of the query
    */
-  int
+  enum GNUNET_DB_QueryStatus
   (*insert_denomination_info) (void *cls,
                                struct TALER_EXCHANGEDB_Session *session,
                                const struct TALER_DenominationPublicKey *denom_pub,