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| author | Sree Harsha Totakura <sreeharsha@totakura.in> | 2015-04-29 12:40:59 +0200 |
|---|---|---|
| committer | Sree Harsha Totakura <sreeharsha@totakura.in> | 2015-04-29 12:40:59 +0200 |
| commit | 3f3d8dfbfb6d9271c5458f656eaa51934dd00156 (patch) | |
| tree | 2ae1d2ac32ef4216f5a68039b46d13ad010c3597 /src | |
| parent | 211cd3cdb7e132b5be859cb4ad4f9f46b58c7b68 (diff) | |
| download | exchange-3f3d8dfbfb6d9271c5458f656eaa51934dd00156.tar.gz exchange-3f3d8dfbfb6d9271c5458f656eaa51934dd00156.tar.bz2 exchange-3f3d8dfbfb6d9271c5458f656eaa51934dd00156.zip | |
mintdb postgres: enforce foreign key on denominations
Diffstat (limited to 'src')
| -rw-r--r-- | src/mintdb/plugin_mintdb_postgres.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/mintdb/plugin_mintdb_postgres.c b/src/mintdb/plugin_mintdb_postgres.c index cd8987389..772b8342e 100644 --- a/src/mintdb/plugin_mintdb_postgres.c +++ b/src/mintdb/plugin_mintdb_postgres.c @@ -178,7 +178,10 @@ postgres_create_tables (void *cls, } #define SQLEXEC(sql) SQLEXEC_(conn, sql, result); /* Denomination table for holding the publicly available information of - denominations keys */ + denominations keys. The denominations are to be referred to by using + foreign keys. The denominations are deleted by a housekeeping tool; + hence, do not use `ON DELETE CASCASE' on these rows in the tables + referencing these rows */ SQLEXEC ("CREATE TABLE IF NOT EXISTS denominations" "(" " pub BYTEA PRIMARY KEY" @@ -222,17 +225,18 @@ postgres_create_tables (void *cls, SQLEXEC ("CREATE TABLE IF NOT EXISTS collectable_blindcoins" "(" "blind_ev BYTEA PRIMARY KEY" - ",denom_pub BYTEA NOT NULL" /* FIXME: Make this a foreign key? */ + ",denom_pub BYTEA NOT NULL REFERENCES denominations (pub)" ",denom_sig BYTEA NOT NULL" ",reserve_pub BYTEA REFERENCES reserves (reserve_pub) ON DELETE CASCADE" ",reserve_sig BYTEA NOT NULL" ");"); + /* Index blindcoins(reserve_pub) for get_reserves_blindcoins statement */ SQLEXEC ("CREATE INDEX collectable_blindcoins_reserve_pub_index ON" " collectable_blindcoins (reserve_pub)"); SQLEXEC("CREATE TABLE IF NOT EXISTS known_coins " "(" " coin_pub BYTEA NOT NULL PRIMARY KEY" - ",denom_pub BYTEA NOT NULL" + ",denom_pub BYTEA NOT NULL REFERENCES denominations (pub)" ",denom_sig BYTEA NOT NULL" ",expended_value INT8 NOT NULL" ",expended_fraction INT4 NOT NULL" @@ -301,7 +305,7 @@ postgres_create_tables (void *cls, "( " /* FIXME #3769: the following primary key may be too restrictive */ " coin_pub BYTEA NOT NULL PRIMARY KEY CHECK (length(coin_pub)=32)" - ",denom_pub BYTEA NOT NULL" /* FIXME: Link this as a foreign key? */ + ",denom_pub BYTEA NOT NULL REFERENCES denominations (pub)" ",denom_sig BYTEA NOT NULL" ",transaction_id INT8 NOT NULL" ",amount_currency VARCHAR(4) NOT NULL" @@ -1513,8 +1517,8 @@ postgres_insert_deposit (void *cls, &deposit->amount_with_fee); struct TALER_PQ_QueryParam params[]= { TALER_PQ_QUERY_PARAM_PTR (&deposit->coin.coin_pub), - TALER_PQ_QUERY_PARAM_PTR_SIZED (denom_pub_enc, denom_pub_enc_size), - TALER_PQ_QUERY_PARAM_PTR_SIZED (denom_sig_enc, denom_sig_enc_size), + TALER_PQ_QUERY_PARAM_PTR_SIZED (denom_pub_enc, denom_pub_enc_size -1), + TALER_PQ_QUERY_PARAM_PTR_SIZED (denom_sig_enc, denom_sig_enc_size -1), TALER_PQ_QUERY_PARAM_PTR (&deposit->transaction_id), TALER_PQ_QUERY_PARAM_PTR (&amount_nbo.value), TALER_PQ_QUERY_PARAM_PTR (&amount_nbo.fraction), |