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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 exchangedb/pg_select_aml_statistics.c 18 : * @brief Implementation of the select_aml_statistics function for Postgres 19 : * @author Christian Grothoff 20 : */ 21 : #include "taler/platform.h" 22 : #include "taler/taler_error_codes.h" 23 : #include "taler/taler_dbevents.h" 24 : #include "taler/taler_pq_lib.h" 25 : #include "pg_select_aml_statistics.h" 26 : #include "pg_helper.h" 27 : 28 : 29 : enum GNUNET_DB_QueryStatus 30 0 : TEH_PG_select_aml_statistics ( 31 : void *cls, 32 : const char *name, 33 : struct GNUNET_TIME_Timestamp start_date, 34 : struct GNUNET_TIME_Timestamp end_date, 35 : uint64_t *cnt) 36 : { 37 0 : struct PostgresClosure *pg = cls; 38 0 : struct GNUNET_PQ_QueryParam params[] = { 39 0 : GNUNET_PQ_query_param_string (name), 40 0 : GNUNET_PQ_query_param_timestamp (&start_date), 41 0 : GNUNET_PQ_query_param_timestamp (&end_date), 42 : GNUNET_PQ_query_param_end 43 : }; 44 0 : struct GNUNET_PQ_ResultSpec rs[] = { 45 0 : GNUNET_PQ_result_spec_uint64 ("count", 46 : cnt), 47 : GNUNET_PQ_result_spec_end 48 : }; 49 : 50 0 : PREPARE (pg, 51 : "select_aml_statistics", 52 : "SELECT " 53 : " COUNT(*) AS count" 54 : " FROM kyc_events" 55 : " WHERE event_type=$1" 56 : " AND event_timestamp >= $2" 57 : " AND event_timestamp < $3;"); 58 0 : return GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 59 : "select_aml_statistics", 60 : params, 61 : rs); 62 : }