basis.tx_history_txid(), basis.tx_operation, basis.tx_create_historicization(...)

This commit is contained in:
Michael Hoennig 2024-09-13 08:56:27 +02:00
parent ef80c37ea9
commit b265e57b4b
5 changed files with 14 additions and 14 deletions

View File

@ -3,7 +3,7 @@
-- ============================================================================
--changeset hs-global-historization-tx-history-txid:1 endDelimiter:--//
-- ----------------------------------------------------------------------------
create or replace function tx_history_txid()
create or replace function basis.tx_history_txid()
returns xid8 stable
language plpgsql as $$
declare
@ -12,18 +12,18 @@ declare
historicalTxId xid8;
historicalTimestamp timestamp;
begin
select coalesce(current_setting('hsadminng.tx_history_txid', true), '') into historicalTxIdSetting;
select coalesce(current_setting('hsadminng.basis.tx_history_txid', true), '') into historicalTxIdSetting;
select coalesce(current_setting('hsadminng.tx_history_timestamp', true), '') into historicalTimestampSetting;
if historicalTxIdSetting > '' and historicalTimestampSetting > '' then
raise exception 'either hsadminng.tx_history_txid or hsadminng.tx_history_timestamp must be set, but both are set: (%, %)',
raise exception 'either hsadminng.basis.tx_history_txid or hsadminng.tx_history_timestamp must be set, but both are set: (%, %)',
historicalTxIdSetting, historicalTimestampSetting;
end if;
if historicalTxIdSetting = '' and historicalTimestampSetting = '' then
raise exception 'either hsadminng.tx_history_txid or hsadminng.tx_history_timestamp must be set, but both are unset or empty: (%, %)',
raise exception 'either hsadminng.basis.tx_history_txid or hsadminng.tx_history_timestamp must be set, but both are unset or empty: (%, %)',
historicalTxIdSetting, historicalTimestampSetting;
end if;
-- just for debugging / making sure the function is only called once per query
-- raise notice 'tx_history_txid() called with: (%, %)', historicalTxIdSetting, historicalTimestampSetting;
-- raise notice 'basis.tx_history_txid() called with: (%, %)', historicalTxIdSetting, historicalTimestampSetting;
if historicalTxIdSetting is null or historicalTxIdSetting = '' then
select historicalTimestampSetting::timestamp into historicalTimestamp;
@ -40,7 +40,7 @@ end; $$;
--changeset hs-global-historization-tx-historicize-tf:1 endDelimiter:--//
-- ----------------------------------------------------------------------------
create type "tx_operation" as enum ('INSERT', 'UPDATE', 'DELETE', 'TRUNCATE');
create type basis.tx_operation as enum ('INSERT', 'UPDATE', 'DELETE', 'TRUNCATE');
create or replace function tx_historicize_tf()
returns trigger
@ -95,7 +95,7 @@ end; $$;
-- ----------------------------------------------------------------------------
create or replace procedure tx_create_historicization(baseTable varchar)
create or replace procedure basis.tx_create_historicization(baseTable varchar)
language plpgsql as $$
declare
createHistTableSql varchar;
@ -111,7 +111,7 @@ begin
'CREATE TABLE ' || baseTable || '_ex (' ||
' version_id serial PRIMARY KEY,' ||
' txid xid8 NOT NULL REFERENCES basis.tx_context(txid),' ||
' trigger_op tx_operation NOT NULL,' ||
' trigger_op basis.tx_operation NOT NULL,' ||
' alive boolean not null,' ||
' LIKE ' || baseTable ||
' EXCLUDING CONSTRAINTS' ||
@ -132,7 +132,7 @@ begin
'CREATE OR REPLACE VIEW %1$s AS' ||
'(' ||
-- make sure the function is only called once, not for every matching row in basis.tx_context
' WITH txh AS (SELECT tx_history_txid() AS txid) ' ||
' WITH txh AS (SELECT basis.tx_history_txid() AS txid) ' ||
' SELECT %2$s' ||
' FROM %3$s' ||
' WHERE alive = TRUE' ||

View File

@ -25,5 +25,5 @@ call basis.create_journal('hs_booking_project');
-- ============================================================================
--changeset hs-booking-project-MAIN-TABLE-HISTORIZATION:1 endDelimiter:--//
-- ----------------------------------------------------------------------------
call tx_create_historicization('hs_booking_project');
call basis.tx_create_historicization('hs_booking_project');
--//

View File

@ -42,6 +42,6 @@ call basis.create_journal('hs_booking_item');
-- ============================================================================
--changeset hs-booking-item-MAIN-TABLE-HISTORIZATION:1 endDelimiter:--//
-- ----------------------------------------------------------------------------
call tx_create_historicization('hs_booking_item');
call basis.tx_create_historicization('hs_booking_item');
--//

View File

@ -173,7 +173,7 @@ call basis.create_journal('hs_hosting_asset');
-- ============================================================================
--changeset hs-hosting-asset-MAIN-TABLE-HISTORIZATION:1 endDelimiter:--//
-- ----------------------------------------------------------------------------
call tx_create_historicization('hs_hosting_asset');
call basis.tx_create_historicization('hs_hosting_asset');
--//

View File

@ -52,7 +52,7 @@ public abstract class ContextBasedTest {
protected void historicalContext(final Long txId) {
// set local cannot be used with query parameters
em.createNativeQuery("""
set local hsadminng.tx_history_txid to ':txid';
set local hsadminng.basis.tx_history_txid to ':txid';
""".replace(":txid", txId.toString())).executeUpdate();
em.createNativeQuery("""
set local hsadminng.tx_history_timestamp to '';
@ -66,7 +66,7 @@ public abstract class ContextBasedTest {
set local hsadminng.tx_history_timestamp to ':timestamp';
""".replace(":timestamp", txTimestamp.toString())).executeUpdate();
em.createNativeQuery("""
set local hsadminng.tx_history_txid to '';
set local hsadminng.basis.tx_history_txid to '';
""").executeUpdate();
}