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simplify batch insert: no cursor where not required, replace out_reserve_found with ruuid being allowed to remain NULL

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This commit is contained in:
Christian Grothoff 2023-04-22 15:02:47 +02:00
parent c3fc8c5e55
commit acbee86745
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GPG Key ID: 939E6BE1E29FC3CC
2 changed files with 25 additions and 125 deletions
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119
src/exchangedb/exchange_do_reserves_in_insert.sql
View File

@ -26,21 +26,11 @@ CREATE OR REPLACE FUNCTION exchange_do_batch_reserves_in_insert(
IN in_wire_source_h_payto BYTEA,
IN in_payto_uri VARCHAR,
IN in_notify TEXT,
OUT out_reserve_found0 BOOLEAN,
OUT transaction_duplicate0 BOOLEAN,
OUT ruuid0 INT8)
LANGUAGE plpgsql
AS $$
DECLARE
curs REFCURSOR;
DECLARE
i RECORD;
DECLARE
curs_trans REFCURSOR;
BEGIN
ruuid0 = 0;
out_reserve_found0 = TRUE;
transaction_duplicate0 = TRUE;
INSERT INTO wire_targets
(wire_target_h_payto
@ -50,35 +40,22 @@ BEGIN
,in_payto_uri)
ON CONFLICT DO NOTHING;
OPEN curs FOR
WITH reserve_changes AS (
INSERT INTO reserves
(reserve_pub
,current_balance_val
,current_balance_frac
,expiration_date
,gc_date)
VALUES
(in_reserve_pub
,in_credit_val
,in_credit_frac
,in_reserve_expiration
,in_gc_date)
ON CONFLICT DO NOTHING
RETURNING reserve_uuid, reserve_pub)
SELECT reserve_uuid, reserve_pub FROM reserve_changes;
INSERT INTO reserves
(reserve_pub
,current_balance_val
,current_balance_frac
,expiration_date
,gc_date)
VALUES
(in_reserve_pub
,in_credit_val
,in_credit_frac
,in_reserve_expiration
,in_gc_date)
ON CONFLICT DO NOTHING
RETURNING reserve_uuid
INTO ruuid0;
FETCH FROM curs INTO i;
IF FOUND
THEN
-- We made a change, so the reserve did not previously exist.
out_reserve_found0 = FALSE;
ruuid0 = i.reserve_uuid;
END IF;
CLOSE curs;
OPEN curs_trans FOR
WITH reserve_transaction AS(
INSERT INTO reserves_in
(reserve_pub
,wire_reference
@ -95,21 +72,15 @@ BEGIN
,in_exchange_account_name
,in_wire_source_h_payto
,in_execution_date)
ON CONFLICT DO NOTHING
RETURNING reserve_pub)
SELECT reserve_pub FROM reserve_transaction;
ON CONFLICT DO NOTHING;
FETCH FROM curs_trans INTO i;
transaction_duplicate0 = NOT FOUND;
IF FOUND
THEN
transaction_duplicate0 = FALSE;
EXECUTE FORMAT (
'NOTIFY %s'
,in_notify);
END IF;
CLOSE curs_trans;
RETURN;
END $$;
@ -135,8 +106,6 @@ CREATE OR REPLACE FUNCTION exchange_do_batch2_reserves_insert(
IN in1_wire_source_h_payto BYTEA,
IN in1_payto_uri VARCHAR,
IN in1_notify TEXT,
OUT out_reserve_found0 BOOLEAN,
OUT out_reserve_found1 BOOLEAN,
OUT transaction_duplicate0 BOOLEAN,
OUT transaction_duplicate1 BOOLEAN,
OUT ruuid0 INT8,
@ -154,10 +123,6 @@ DECLARE
BEGIN
transaction_duplicate0 = TRUE;
transaction_duplicate1 = TRUE;
out_reserve_found0 = TRUE;
out_reserve_found1 = TRUE;
ruuid0=0;
ruuid1=0;
INSERT INTO wire_targets
(wire_target_h_payto
@ -207,7 +172,6 @@ BEGIN
IF in0_reserve_pub = i.reserve_pub
THEN
ruuid0 = i.reserve_uuid;
out_reserve_found0 = FALSE;
CONTINUE loop_reserve;
END IF;
CONTINUE loop_k;
@ -215,7 +179,6 @@ BEGIN
IF in1_reserve_pub = i.reserve_pub
THEN
ruuid1 = i.reserve_uuid;
out_reserve_found1 = FALSE;
END IF;
EXIT loop_reserve;
END CASE;
@ -332,10 +295,6 @@ CREATE OR REPLACE FUNCTION exchange_do_batch4_reserves_insert(
IN in3_wire_source_h_payto BYTEA,
IN in3_payto_uri VARCHAR,
IN in3_notify TEXT,
OUT out_reserve_found0 BOOLEAN,
OUT out_reserve_found1 BOOLEAN,
OUT out_reserve_found2 BOOLEAN,
OUT out_reserve_found3 BOOLEAN,
OUT transaction_duplicate0 BOOLEAN,
OUT transaction_duplicate1 BOOLEAN,
OUT transaction_duplicate2 BOOLEAN,
@ -359,14 +318,6 @@ BEGIN
transaction_duplicate1=TRUE;
transaction_duplicate2=TRUE;
transaction_duplicate3=TRUE;
out_reserve_found0 = TRUE;
out_reserve_found1 = TRUE;
out_reserve_found2 = TRUE;
out_reserve_found3 = TRUE;
ruuid0=0;
ruuid1=0;
ruuid2=0;
ruuid3=0;
INSERT INTO wire_targets
(wire_target_h_payto
@ -430,7 +381,6 @@ BEGIN
IF in0_reserve_pub = i.reserve_pub
THEN
ruuid0 = i.reserve_uuid;
out_reserve_found0 = FALSE;
CONTINUE loop_reserve;
END IF;
CONTINUE loop_k;
@ -439,7 +389,6 @@ BEGIN
IF in1_reserve_pub = i.reserve_pub
THEN
ruuid1 = i.reserve_uuid;
out_reserve_found1 = FALSE;
CONTINUE loop_reserve;
END IF;
CONTINUE loop_k;
@ -448,7 +397,6 @@ BEGIN
IF in2_reserve_pub = i.reserve_pub
THEN
ruuid2 = i.reserve_uuid;
out_reserve_found2 = FALSE;
CONTINUE loop_reserve;
END IF;
CONTINUE loop_k;
@ -456,7 +404,6 @@ BEGIN
IF in3_reserve_pub = i.reserve_pub
THEN
ruuid3 = i.reserve_uuid;
out_reserve_found3 = FALSE;
END IF;
EXIT loop_reserve;
END CASE;
@ -645,14 +592,6 @@ CREATE OR REPLACE FUNCTION exchange_do_batch8_reserves_insert(
IN in7_wire_source_h_payto BYTEA,
IN in7_payto_uri VARCHAR,
IN in7_notify TEXT,
OUT out_reserve_found0 BOOLEAN,
OUT out_reserve_found1 BOOLEAN,
OUT out_reserve_found2 BOOLEAN,
OUT out_reserve_found3 BOOLEAN,
OUT out_reserve_found4 BOOLEAN,
OUT out_reserve_found5 BOOLEAN,
OUT out_reserve_found6 BOOLEAN,
OUT out_reserve_found7 BOOLEAN,
OUT transaction_duplicate0 BOOLEAN,
OUT transaction_duplicate1 BOOLEAN,
OUT transaction_duplicate2 BOOLEAN,
@ -691,22 +630,6 @@ BEGIN
transaction_duplicate5=TRUE;
transaction_duplicate6=TRUE;
transaction_duplicate7=TRUE;
out_reserve_found0 = TRUE;
out_reserve_found1 = TRUE;
out_reserve_found2 = TRUE;
out_reserve_found3 = TRUE;
out_reserve_found4 = TRUE;
out_reserve_found5 = TRUE;
out_reserve_found6 = TRUE;
out_reserve_found7 = TRUE;
ruuid0=0;
ruuid1=0;
ruuid2=0;
ruuid3=0;
ruuid4=0;
ruuid5=0;
ruuid6=0;
ruuid7=0;
INSERT INTO wire_targets
(wire_target_h_payto
@ -803,7 +726,6 @@ BEGIN
IF in0_reserve_pub = i.reserve_pub
THEN
ruuid0 = i.reserve_uuid;
out_reserve_found0 = FALSE;
CONTINUE loop_reserve;
END IF;
CONTINUE loop_k;
@ -812,7 +734,6 @@ BEGIN
IF in1_reserve_pub = i.reserve_pub
THEN
ruuid1 = i.reserve_uuid;
out_reserve_found1 = FALSE;
CONTINUE loop_reserve;
END IF;
CONTINUE loop_k;
@ -821,7 +742,6 @@ BEGIN
IF in2_reserve_pub = i.reserve_pub
THEN
ruuid2 = i.reserve_uuid;
out_reserve_found2 = FALSE;
CONTINUE loop_reserve;
END IF;
CONTINUE loop_k;
@ -830,7 +750,6 @@ BEGIN
IF in3_reserve_pub = i.reserve_pub
THEN
ruuid3 = i.reserve_uuid;
out_reserve_found3 = FALSE;
CONTINUE loop_reserve;
END IF;
CONTINUE loop_k;
@ -839,7 +758,6 @@ BEGIN
IF in4_reserve_pub = i.reserve_pub
THEN
ruuid4 = i.reserve_uuid;
out_reserve_found4 = FALSE;
CONTINUE loop_reserve;
END IF;
CONTINUE loop_k;
@ -848,7 +766,6 @@ BEGIN
IF in5_reserve_pub = i.reserve_pub
THEN
ruuid5 = i.reserve_uuid;
out_reserve_found5 = FALSE;
CONTINUE loop_reserve;
END IF;
CONTINUE loop_k;
@ -857,7 +774,6 @@ BEGIN
IF in6_reserve_pub = i.reserve_pub
THEN
ruuid6 = i.reserve_uuid;
out_reserve_found6 = FALSE;
CONTINUE loop_reserve;
END IF;
CONTINUE loop_k;
@ -865,7 +781,6 @@ BEGIN
IF in7_reserve_pub = i.reserve_pub
THEN
ruuid7 = i.reserve_uuid;
out_reserve_found7 = FALSE;
END IF;
EXIT loop_reserve;
END CASE;

31
src/exchangedb/pg_reserves_in_insert.c
View File

@ -113,12 +113,12 @@ struct ReserveRecord
* index @a index
*/
#define RR_RESULT_PARAM(rr,index) \
GNUNET_PQ_result_spec_bool ("conflicted" TALER_S (index), \
&rr[index].conflicts), \
GNUNET_PQ_result_spec_bool ("transaction_duplicate" TALER_S (index), \
&rr[index].transaction_duplicate), \
GNUNET_PQ_result_spec_uint64 ("reserve_uuid" TALER_S (index), \
&rr[index].reserve_uuid)
GNUNET_PQ_result_spec_allow_null ( \
GNUNET_PQ_result_spec_uint64 ("reserve_uuid" TALER_S (index), \
&rr[index].reserve_uuid), \
&rr[index].conflicts)
/**
@ -151,8 +151,7 @@ insert1 (struct PostgresClosure *pg,
PREPARE (pg,
"batch1_reserve_create",
"SELECT "
" out_reserve_found0 AS conflicted0"
",transaction_duplicate0 AS transaction_duplicate0"
" transaction_duplicate0 AS transaction_duplicate0"
",ruuid0 AS reserve_uuid0"
" FROM exchange_do_batch_reserves_in_insert"
" ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11);");
@ -210,9 +209,7 @@ insert2 (struct PostgresClosure *pg,
PREPARE (pg,
"batch2_reserve_create",
"SELECT"
" out_reserve_found0 AS conflicted0"
",out_reserve_found1 AS conflicted1"
",transaction_duplicate0"
" transaction_duplicate0"
",transaction_duplicate1"
",ruuid0 AS reserve_uuid0"
",ruuid1 AS reserve_uuid1"
@ -279,11 +276,7 @@ insert4 (struct PostgresClosure *pg,
PREPARE (pg,
"batch4_reserve_create",
"SELECT"
" out_reserve_found0 AS conflicted0"
",out_reserve_found1 AS conflicted1"
",out_reserve_found2 AS conflicted2"
",out_reserve_found3 AS conflicted3"
",transaction_duplicate0"
" transaction_duplicate0"
",transaction_duplicate1"
",transaction_duplicate2"
",transaction_duplicate3"
@ -363,15 +356,7 @@ insert8 (struct PostgresClosure *pg,
PREPARE (pg,
"batch8_reserve_create",
"SELECT"
" out_reserve_found0 AS conflicted0"
",out_reserve_found1 AS conflicted1"
",out_reserve_found2 AS conflicted2"
",out_reserve_found3 AS conflicted3"
",out_reserve_found4 AS conflicted4"
",out_reserve_found5 AS conflicted5"
",out_reserve_found6 AS conflicted6"
",out_reserve_found7 AS conflicted7"
",transaction_duplicate0"
" transaction_duplicate0"
",transaction_duplicate1"
",transaction_duplicate2"
",transaction_duplicate3"