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exchangedb/postgres: handle duplicate wire transfers correctly

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Florian Dold 2018-02-05 21:49:35 +01:00
parent f8d7c1ef39
commit 48fd50f922
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GPG Key ID: D2E4F00F29D02A4B
1 changed files with 4 additions and 4 deletions
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8
src/exchangedb/plugin_exchangedb_postgres.c
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@ -583,7 +583,8 @@ postgres_prepare (PGconn *db_conn)
",sender_account_details" ",sender_account_details"
",execution_date" ",execution_date"
") VALUES " ") VALUES "
"($1, $2, $3, $4, $5, $6, $7);", "($1, $2, $3, $4, $5, $6, $7) "
"ON CONFLICT DO NOTHING;",
7), 7),
/* Used in postgres_select_reserves_in_above_serial_id() to obtain inbound /* Used in postgres_select_reserves_in_above_serial_id() to obtain inbound
transactions for reserves with serial id '\geq' the given parameter */ transactions for reserves with serial id '\geq' the given parameter */
@ -1870,9 +1871,8 @@ postgres_reserves_in_insert (void *cls,
return GNUNET_DB_STATUS_SOFT_ERROR; return GNUNET_DB_STATUS_SOFT_ERROR;
} }
} }
/* Create new incoming transaction, SQL "primary key" logic /* Create new incoming transaction, "ON CONFLICT DO NOTHING"
is used to guard against duplicates. If a duplicate is is used to guard against duplicates. */
detected, we just "succeed" with no changes. */
{ {
struct GNUNET_PQ_QueryParam params[] = { struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (&reserve.pub), GNUNET_PQ_query_param_auto_from_type (&reserve.pub),