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[SCN REFACTOR] replace flash back snapshot and remove read snapshot session

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This commit is contained in:
wangt1xiuyi
2022-11-28 01:54:50 +00:00
committed by ob-robot
parent c4c13f6296
commit 11485d6a98
268 changed files with 6763 additions and 7737 deletions
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17
src/share/ob_ddl_common.cpp
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@ -424,6 +424,8 @@ int ObDDLUtil::generate_build_replica_sql(
const int64_t dest_table_id,
const int64_t schema_version,
const int64_t snapshot_version,
const int64_t execution_id,
const int64_t task_id,
const int64_t parallelism,
const bool use_heap_table_ddl_plan,
const bool use_schema_version_hint_for_src_table,
@ -435,9 +437,11 @@ int ObDDLUtil::generate_build_replica_sql(
const ObTableSchema *source_table_schema = nullptr;
const ObTableSchema *dest_table_schema = nullptr;
bool oracle_mode = false;
if (OB_UNLIKELY(OB_INVALID_ID == tenant_id || OB_INVALID_ID == data_table_id || OB_INVALID_ID == dest_table_id || schema_version <= 0 || snapshot_version <= 0)) {
if (OB_UNLIKELY(OB_INVALID_ID == tenant_id || OB_INVALID_ID == data_table_id || OB_INVALID_ID == dest_table_id
|| schema_version <= 0 || snapshot_version <= 0 || execution_id <= 0 || task_id <= 0)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid arguments", K(ret), K(tenant_id), K(data_table_id), K(dest_table_id), K(schema_version), K(snapshot_version));
LOG_WARN("invalid arguments", K(ret), K(tenant_id), K(data_table_id), K(dest_table_id), K(schema_version),
K(snapshot_version), K(execution_id), K(task_id));
} else if (OB_FAIL(ObMultiVersionSchemaService::get_instance().get_tenant_schema_guard(
tenant_id, schema_guard, schema_version))) {
LOG_WARN("fail to get tenant schema guard", K(ret), K(data_table_id));
@ -636,8 +640,8 @@ int ObDDLUtil::generate_build_replica_sql(
if (OB_FAIL(ret)) {
} else if (oracle_mode) {
if (OB_FAIL(sql_string.assign_fmt("INSERT /*+ monitor enable_parallel_dml parallel(%ld) use_px */INTO \"%.*s\".\"%.*s\"(%.*s) SELECT /*+ index(\"%.*s\" primary) %.*s */ %.*s from \"%.*s\".\"%.*s\" as of scn %ld %.*s",
real_parallelism,
if (OB_FAIL(sql_string.assign_fmt("INSERT /*+ monitor enable_parallel_dml parallel(%ld) opt_param('ddl_execution_id', %ld) opt_param('ddl_task_id', %ld) use_px */INTO \"%.*s\".\"%.*s\"(%.*s) SELECT /*+ index(\"%.*s\" primary) %.*s */ %.*s from \"%.*s\".\"%.*s\" as of scn %ld %.*s",
real_parallelism, execution_id, task_id,
static_cast<int>(dest_database_name.length()), dest_database_name.ptr(), static_cast<int>(dest_table_name.length()), dest_table_name.ptr(),
static_cast<int>(insert_column_sql_string.length()), insert_column_sql_string.ptr(),
static_cast<int>(source_table_name.length()), source_table_name.ptr(),
@ -648,8 +652,8 @@ int ObDDLUtil::generate_build_replica_sql(
LOG_WARN("fail to assign sql string", K(ret));
}
} else {
if (OB_FAIL(sql_string.assign_fmt("INSERT /*+ monitor enable_parallel_dml parallel(%ld) use_px */INTO `%.*s`.`%.*s`(%.*s) SELECT /*+ index(`%.*s` primary) %.*s */ %.*s from `%.*s`.`%.*s` as of snapshot %ld %.*s",
real_parallelism,
if (OB_FAIL(sql_string.assign_fmt("INSERT /*+ monitor enable_parallel_dml parallel(%ld) opt_param('ddl_execution_id', %ld) opt_param('ddl_task_id', %ld) use_px */INTO `%.*s`.`%.*s`(%.*s) SELECT /*+ index(`%.*s` primary) %.*s */ %.*s from `%.*s`.`%.*s` as of snapshot %ld %.*s",
real_parallelism, execution_id, task_id,
static_cast<int>(dest_database_name.length()), dest_database_name.ptr(), static_cast<int>(dest_table_name.length()), dest_table_name.ptr(),
static_cast<int>(insert_column_sql_string.length()), insert_column_sql_string.ptr(),
static_cast<int>(source_table_name.length()), source_table_name.ptr(),
@ -716,6 +720,7 @@ int ObDDLUtil::clear_ddl_checksum(ObPhysicalPlan *phy_plan)
execution_id,
table_scan_table_id,
phy_plan->get_ddl_table_id(),
phy_plan->get_ddl_task_id(),
*GCTX.sql_proxy_))) {
LOG_WARN("failed to delete checksum", K(ret));
}