update_auditor_progress.c (3152B)
1 /* 2 This file is part of TALER 3 Copyright (C) 2024 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU General Public License as published by the Free Software 7 Foundation; either version 3, or (at your option) any later version. 8 9 TALER is distributed in the hope that it will be useful, but WITHOUT ANY 10 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 11 A PARTICULAR PURPOSE. See the GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License along with 14 TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> 15 */ 16 /** 17 * @file update_auditor_progress.c 18 * @brief Low-level (statement-level) Postgres database access for the exchange 19 * @author Christian Grothoff 20 */ 21 #include "taler/taler_pq_lib.h" 22 #include "auditor-database/update_auditor_progress.h" 23 #include "pg_helper.h" 24 25 26 enum GNUNET_DB_QueryStatus 27 TALER_AUDITORDB_update_auditor_progress (struct 28 TALER_AUDITORDB_PostgresContext *pg, 29 const char *progress_key, 30 uint64_t progress_offset, 31 ...) 32 { 33 unsigned int cnt = 1; 34 va_list ap; 35 36 va_start (ap, 37 progress_offset); 38 while (NULL != va_arg (ap, 39 const char *)) 40 { 41 cnt++; 42 (void) va_arg (ap, 43 uint64_t); 44 } 45 va_end (ap); 46 { 47 const char *keys[cnt]; 48 uint64_t offsets[cnt]; 49 unsigned int off = 1; 50 struct GNUNET_PQ_QueryParam params[] = { 51 GNUNET_PQ_query_param_array_ptrs_string (cnt, 52 keys, 53 pg->conn), 54 GNUNET_PQ_query_param_array_uint64 (cnt, 55 offsets, 56 pg->conn), 57 GNUNET_PQ_query_param_end 58 }; 59 enum GNUNET_DB_QueryStatus qs; 60 61 keys[0] = progress_key; 62 offsets[0] = progress_offset; 63 64 va_start (ap, 65 progress_offset); 66 while (off < cnt) 67 { 68 keys[off] = va_arg (ap, 69 const char *); 70 offsets[off] = va_arg (ap, 71 uint64_t); 72 off++; 73 } 74 GNUNET_assert (NULL == va_arg (ap, 75 const char *)); 76 va_end (ap); 77 78 PREPARE (pg, 79 "auditor_progress_update", 80 "UPDATE auditor_progress" 81 " SET progress_offset=data.off" 82 " FROM (" 83 " SELECT *" 84 " FROM UNNEST (CAST($1 AS TEXT[])," 85 " CAST($2 AS INT8[]))" 86 " AS t(key,off)" 87 " ) AS data" 88 " WHERE auditor_progress.progress_key=data.key;"); 89 qs = GNUNET_PQ_eval_prepared_non_select (pg->conn, 90 "auditor_progress_update", 91 params); 92 GNUNET_PQ_cleanup_query_params_closures (params); 93 return qs; 94 } 95 }