syncdb_lookup_account_TR.c (2947B)
1 /* 2 This file is part of TALER 3 (C) 2026 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU Lesser 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 syncdb/syncdb_lookup_account_TR.c 18 * @brief look up the status of an account 19 * @author Christian Grothoff 20 */ 21 #include "syncdb_pg.h" 22 23 24 enum SYNC_DB_QueryStatus 25 SYNCDB_lookup_account_TR ( 26 const struct SYNC_AccountPublicKeyP *account_pub, 27 struct GNUNET_TIME_Timestamp *expiration_date, 28 uint64_t *storage_used_bytes, 29 uint64_t *block_count) 30 { 31 struct GNUNET_PQ_QueryParam params[] = { 32 GNUNET_PQ_query_param_auto_from_type (account_pub), 33 GNUNET_PQ_query_param_end 34 }; 35 struct GNUNET_PQ_ResultSpec rs[] = { 36 GNUNET_PQ_result_spec_timestamp ("expiration_date", 37 expiration_date), 38 GNUNET_PQ_result_spec_uint64 ("storage_used_bytes", 39 storage_used_bytes), 40 GNUNET_PQ_result_spec_uint64 ("block_count", 41 block_count), 42 GNUNET_PQ_result_spec_end 43 }; 44 enum GNUNET_DB_QueryStatus qs; 45 46 SYNCDB_preflight (); 47 /* No stored procedure: this only reads, and an expired account is a 48 result here rather than an error, so none of the checks the 49 procedures share apply. */ 50 PREPARE ("account_select", 51 "SELECT" 52 " a.expiration_date" 53 ",(SELECT COALESCE(SUM(octet_length(b.data_blob)),0)" 54 " FROM blocks b" 55 " WHERE b.account_pub = a.account_pub) AS storage_used_bytes" 56 ",(SELECT COUNT(*)" 57 " FROM blocks b" 58 " WHERE b.account_pub = a.account_pub) AS block_count" 59 " FROM accounts a" 60 " WHERE a.account_pub=$1"); 61 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 62 "account_select", 63 params, 64 rs); 65 switch (qs) 66 { 67 case GNUNET_DB_STATUS_HARD_ERROR: 68 GNUNET_break (0); 69 return SYNC_DB_HARD_ERROR; 70 case GNUNET_DB_STATUS_SOFT_ERROR: 71 GNUNET_break (0); 72 return SYNC_DB_SOFT_ERROR; 73 case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS: 74 return SYNC_DB_TARGET_MISSING; 75 case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT: 76 return SYNC_DB_ONE_RESULT; 77 default: 78 GNUNET_break (0); 79 return SYNC_DB_HARD_ERROR; 80 } 81 } 82 83 84 /* end of syncdb_lookup_account_TR.c */