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support display the accurate min_restore_timestamp

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This commit is contained in:
hamstersox
2023-06-30 02:12:23 +00:00
committed by ob-robot
parent 0f3fef7131
commit deda754b81
15 changed files with 183 additions and 47 deletions
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52
src/share/backup/ob_backup_struct.cpp
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@ -24,6 +24,7 @@
#include "storage/tx/ob_i_ts_source.h"
#include "storage/backup/ob_backup_data_store.h"
#include "share/backup/ob_archive_struct.h"
#include "observer/omt/ob_tenant_timezone_mgr.h"
#include "storage/tx/ob_ts_mgr.h"
@ -2201,6 +2202,57 @@ int ObBackupUtils::get_backup_scn(const uint64_t &tenant_id, share::SCN &scn)
return ret;
}
int ObBackupUtils::backup_scn_to_str(const uint64_t tenant_id, const share::SCN &scn, char *buf, int64_t buf_len)
{
int ret = OB_SUCCESS;
ObTimeZoneInfoWrap time_zone_info_wrap;
ObFixedLengthString<common::OB_MAX_TIMESTAMP_TZ_LENGTH> time_zone;
int64_t pos = 0;
if (OB_FAIL(ObBackupUtils::get_tenant_sys_time_zone_wrap(tenant_id, time_zone, time_zone_info_wrap))) {
LOG_WARN("failed to get tenant sys time zone wrap", K(tenant_id));
} else if (OB_FAIL(ObTimeConverter::scn_to_str(scn.get_val_for_inner_table_field(),
time_zone_info_wrap.is_position_class() ?
&time_zone_info_wrap.get_tz_info_pos() : time_zone_info_wrap.get_time_zone_info(),
buf,
buf_len,
pos))) {
LOG_WARN("failed to scn to str", K(ret));
}
return ret;
}
int ObBackupUtils::get_tenant_sys_time_zone_wrap(
const uint64_t tenant_id,
ObFixedLengthString<common::OB_MAX_TIMESTAMP_TZ_LENGTH> &time_zone,
ObTimeZoneInfoWrap &time_zone_info_wrap)
{
int ret = OB_SUCCESS;
ObMultiVersionSchemaService *schema_service = nullptr;
ObSchemaGetterGuard schema_guard;
ObTZMapWrap tz_map_wrap;
const ObSysVarSchema *var_schema = nullptr;
ObTimeZoneInfoManager *tz_info_mgr = nullptr;
if (OB_ISNULL(schema_service = GCTX.schema_service_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("schema service must not be null", K(ret));
} else if (OB_FAIL(schema_service->get_tenant_schema_guard(tenant_id, schema_guard))) {
LOG_WARN("failed to get_tenant_schema_guard", KR(ret), K(tenant_id));
} else if (OB_FAIL(schema_guard.get_tenant_system_variable(tenant_id, share::SYS_VAR_SYSTEM_TIME_ZONE, var_schema))) {
LOG_WARN("fail to get tenant system variable", K(ret));
} else if (OB_ISNULL(var_schema)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("var schema must not be null", K(ret));
} else if (OB_FAIL(OTTZ_MGR.get_tenant_timezone(tenant_id, tz_map_wrap, tz_info_mgr))) {
LOG_WARN("failed to get tenant timezone", K(ret));
} else if (OB_FAIL(time_zone.assign(var_schema->get_value()))) {
LOG_WARN("failed to assign timezone", K(ret));
} else if (OB_FAIL(time_zone_info_wrap.init_time_zone(var_schema->get_value(), OB_INVALID_VERSION,
*(const_cast<ObTZInfoMap *>(tz_map_wrap.get_tz_map()))))) {
LOG_WARN("failed to init time zone", K(ret));
}
return ret;
}
int ObBackupUtils::convert_timestamp_to_timestr(const int64_t ts, char *buf, int64_t len)
{
int ret = OB_SUCCESS;