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add ON DELETE CASCADE refs where applicable

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This commit is contained in:
Christian Grothoff 2016-05-27 11:55:07 +02:00
parent c0451f0982
commit 8b701a2c62
1 changed files with 17 additions and 19 deletions
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36
src/exchangedb/plugin_exchangedb_postgres.c
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@ -254,10 +254,8 @@ postgres_create_tables (void *cls)
#define SQLEXEC(sql) SQLEXEC_(conn, sql);
#define SQLEXEC_INDEX(sql) SQLEXEC_IGNORE_ERROR_(conn, sql);
/* Denomination table for holding the publicly available information of
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 CASCADE' on these rows in the tables
referencing these rows */
denominations keys. The denominations are to be referred to using
foreign keys. */
SQLEXEC ("CREATE TABLE IF NOT EXISTS denominations"
"(pub BYTEA PRIMARY KEY"
",master_pub BYTEA NOT NULL CHECK (LENGTH(master_pub)=32)"
@ -301,7 +299,7 @@ postgres_create_tables (void *cls)
into the reserve. The rows of this table correspond to each
incoming transaction. */
SQLEXEC("CREATE TABLE IF NOT EXISTS reserves_in"
"(reserve_pub BYTEA REFERENCES reserves (reserve_pub) ON DELETE CASCADE"
"(reserve_pub BYTEA NOT NULL REFERENCES reserves (reserve_pub) ON DELETE CASCADE"
",balance_val INT8 NOT NULL"
",balance_frac INT4 NOT NULL"
",balance_curr VARCHAR("TALER_CURRENCY_LEN_STR") NOT NULL"
@ -324,9 +322,9 @@ postgres_create_tables (void *cls)
(as they really must be unique). */
SQLEXEC ("CREATE TABLE IF NOT EXISTS reserves_out"
"(h_blind_ev BYTEA PRIMARY KEY"
",denom_pub BYTEA NOT NULL REFERENCES denominations (pub)"
",denom_pub BYTEA NOT NULL REFERENCES denominations (pub) ON DELETE CASCADE"
",denom_sig BYTEA NOT NULL"
",reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32) REFERENCES reserves (reserve_pub) ON DELETE CASCADE"
",reserve_pub BYTEA NOT NULL REFERENCES reserves (reserve_pub) ON DELETE CASCADE"
",reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)"
",execution_date INT8 NOT NULL"
",amount_with_fee_val INT8 NOT NULL"
@ -345,7 +343,7 @@ postgres_create_tables (void *cls)
coin information only once. */
SQLEXEC("CREATE TABLE IF NOT EXISTS known_coins "
"(coin_pub BYTEA NOT NULL PRIMARY KEY CHECK (LENGTH(coin_pub)=32)"
",denom_pub BYTEA NOT NULL REFERENCES denominations (pub)"
",denom_pub BYTEA NOT NULL REFERENCES denominations (pub) ON DELETE CASCADE"
",denom_sig BYTEA NOT NULL"
")");
/**
@ -358,7 +356,7 @@ postgres_create_tables (void *cls)
*/
SQLEXEC("CREATE TABLE IF NOT EXISTS refresh_sessions "
"(session_hash BYTEA PRIMARY KEY CHECK (LENGTH(session_hash)=64)"
",old_coin_pub BYTEA NOT NULL REFERENCES known_coins (coin_pub)"
",old_coin_pub BYTEA NOT NULL REFERENCES known_coins (coin_pub) ON DELETE CASCADE"
",old_coin_sig BYTEA NOT NULL CHECK(LENGTH(old_coin_sig)=64)"
",amount_with_fee_val INT8 NOT NULL"
",amount_with_fee_frac INT4 NOT NULL"
@ -372,7 +370,7 @@ postgres_create_tables (void *cls)
/* Table with information about coins that have been refunded. (Technically
one of the deposit operations that a coin was involved with is refunded.)*/
SQLEXEC("CREATE TABLE IF NOT EXISTS refunds "
"(coin_pub BYTEA NOT NULL REFERENCES known_coins (coin_pub)"
"(coin_pub BYTEA NOT NULL REFERENCES known_coins (coin_pub) ON DELETE CASCADE"
",merchant_pub BYTEA NOT NULL CHECK(LENGTH(merchant_pub)=32)"
",merchant_sig BYTEA NOT NULL CHECK(LENGTH(merchant_sig)=64)"
",h_contract BYTEA NOT NULL CHECK(LENGTH(h_contract)=64)"
@ -392,9 +390,9 @@ postgres_create_tables (void *cls)
during a refresh operation; contains the denomination key for each
of the coins (for a given refresh session) */
SQLEXEC("CREATE TABLE IF NOT EXISTS refresh_order "
"(session_hash BYTEA NOT NULL CHECK (LENGTH(session_hash)=64) REFERENCES refresh_sessions (session_hash)"
"(session_hash BYTEA NOT NULL REFERENCES refresh_sessions (session_hash) ON DELETE CASCADE"
",newcoin_index INT2 NOT NULL "
",denom_pub BYTEA NOT NULL REFERENCES denominations (pub)"
",denom_pub BYTEA NOT NULL REFERENCES denominations (pub) ON DELETE CASCADE"
",PRIMARY KEY (session_hash, newcoin_index)"
")");
@ -404,7 +402,7 @@ postgres_create_tables (void *cls)
as well as the actual link data (the transfer public key and the encrypted
link secret) */
SQLEXEC("CREATE TABLE IF NOT EXISTS refresh_commit_link "
"(session_hash BYTEA NOT NULL REFERENCES refresh_sessions (session_hash)"
"(session_hash BYTEA NOT NULL REFERENCES refresh_sessions (session_hash) ON DELETE CASCADE"
",transfer_pub BYTEA NOT NULL CHECK(LENGTH(transfer_pub)=32)"
",link_secret_enc BYTEA NOT NULL CHECK(LENGTH(link_secret_enc)=64)"
",cnc_index INT2 NOT NULL"
@ -416,7 +414,7 @@ postgres_create_tables (void *cls)
private key and the blinding factor for the coin (for verification
in case this cnc_index is chosen to be revealed) */
SQLEXEC("CREATE TABLE IF NOT EXISTS refresh_commit_coin "
"(session_hash BYTEA NOT NULL REFERENCES refresh_sessions (session_hash) "
"(session_hash BYTEA NOT NULL REFERENCES refresh_sessions (session_hash) ON DELETE CASCADE"
",cnc_index INT2 NOT NULL"
",newcoin_index INT2 NOT NULL"
",link_vector_enc BYTEA NOT NULL CHECK(LENGTH(link_vector_enc)=64)"
@ -426,7 +424,7 @@ postgres_create_tables (void *cls)
operation. Needed to answer /refresh/link queries later. Stores
the coin signatures under the respective session hash and index. */
SQLEXEC("CREATE TABLE IF NOT EXISTS refresh_out "
"(session_hash BYTEA NOT NULL CHECK(LENGTH(session_hash)=64) REFERENCES refresh_sessions (session_hash) "
"(session_hash BYTEA NOT NULL REFERENCES refresh_sessions (session_hash) ON DELETE CASCADE"
",newcoin_index INT2 NOT NULL"
",ev_sig BYTEA NOT NULL"
")");
@ -434,7 +432,7 @@ postgres_create_tables (void *cls)
execute to transmit funds to the merchants (and manage refunds). */
SQLEXEC("CREATE TABLE IF NOT EXISTS deposits "
"(serial_id BIGSERIAL PRIMARY KEY"
",coin_pub BYTEA NOT NULL REFERENCES known_coins (coin_pub)"
",coin_pub BYTEA NOT NULL REFERENCES known_coins (coin_pub) ON DELETE CASCADE"
",transaction_id INT8 NOT NULL"
",amount_with_fee_val INT8 NOT NULL"
",amount_with_fee_frac INT4 NOT NULL"
@ -459,9 +457,9 @@ postgres_create_tables (void *cls)
/* Table for the tracking API, mapping from wire transfer identifiers
to transactions and back */
SQLEXEC("CREATE TABLE IF NOT EXISTS aggregation_tracking "
"(h_contract BYTEA CHECK (LENGTH(h_contract)=64)"
",h_wire BYTEA CHECK (LENGTH(h_wire)=64)"
",coin_pub BYTEA NOT NULL CHECK (LENGTH(coin_pub)=32)"
"(h_contract BYTEA CHECK (LENGTH(h_contract)=64) NOT NULL"
",h_wire BYTEA CHECK (LENGTH(h_wire)=64) NOT NULL"
",coin_pub BYTEA NOT NULL REFERENCES known_coins (coin_pub) ON DELETE CASCADE"
",merchant_pub BYTEA NOT NULL CHECK (LENGTH(merchant_pub)=32)"
",transaction_id INT8 NOT NULL"
",wtid_raw BYTEA NOT NULL CHECK (LENGTH(merchant_pub)=" TALER_WIRE_TRANSFER_IDENTIFIER_LEN_STR ")"