[FEAT MERGE] add direct load function

Co-authored-by: Monk-Liu <1152761042@qq.com>
Co-authored-by: saltonz <saltonzh@gmail.com>
Co-authored-by: yongshige <598633031@qq.com>
This commit is contained in:
obdev
2023-01-28 18:08:50 +08:00
committed by ob-robot
parent f27d2efc83
commit 81d28c0295
384 changed files with 55860 additions and 1239 deletions

View File

@ -16,23 +16,52 @@
#include "lib/oblog/ob_log_module.h"
#include "sql/engine/cmd/ob_load_data_impl.h"
#include "sql/engine/cmd/ob_load_data_direct_impl.h"
#include "sql/engine/ob_exec_context.h"
namespace oceanbase
{
namespace sql
{
int ObLoadDataExecutor::check_is_direct_load(const ObLoadDataHint &load_hint, bool &check_ret)
{
int ret = OB_SUCCESS;
int64_t enable_direct = 0;
if (OB_FAIL(load_hint.get_value(ObLoadDataHint::ENABLE_DIRECT, enable_direct))) {
LOG_WARN("fail to get value of ENABLE_DIRECT", K(ret));
} else if ((enable_direct != 0) && GCONF._ob_enable_direct_load) {
check_ret = true;
} else {
check_ret = false;
}
return ret;
}
int ObLoadDataExecutor::execute(ObExecContext &ctx, ObLoadDataStmt &stmt)
{
int ret = OB_SUCCESS;
ObLoadDataBase *load_impl = NULL;
bool is_direct_load = false;
if (!stmt.get_load_arguments().is_csv_format_) {
ret = OB_NOT_SUPPORTED;
LOG_WARN("invalid resolver results", K(ret));
} else if (OB_ISNULL(load_impl = OB_NEWx(ObLoadDataSPImpl, (&ctx.get_allocator())))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("allocate memory failed", K(ret));
} else if (OB_FAIL(check_is_direct_load(stmt.get_hints(), is_direct_load))) {
LOG_WARN("fail to check is load mode", KR(ret));
} else {
if (!is_direct_load) {
if (OB_ISNULL(load_impl = OB_NEWx(ObLoadDataSPImpl, (&ctx.get_allocator())))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("allocate memory failed", K(ret));
}
} else {
if (OB_ISNULL(load_impl = OB_NEWx(ObLoadDataDirectImpl, (&ctx.get_allocator())))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("allocate memory failed", K(ret));
}
}
}
if (OB_SUCC(ret)) {
if (OB_FAIL(load_impl->execute(ctx, stmt))) {
LOG_WARN("failed to execute load data stmt", K(ret));
}