hcq/oceanbase
1
0
Fork 0
Code Issues Pull Requests Actions 2 Packages Projects Releases Wiki Activity

[scn] mv definition of SCN to dir of share

Browse Source
This commit is contained in:
obdev
2022-11-28 02:50:55 +00:00
committed by ob-robot
parent 68151eb87a
commit 99d4f56fec
716 changed files with 7746 additions and 6117 deletions
Download Patch File Download Diff File Expand all files Collapse all files

216
src/sql/engine/aggregate/ob_aggregate_processor.cpp
View File

@ -552,7 +552,8 @@ ObAggregateProcessor::ObAggregateProcessor(ObEvalCtx &eval_ctx,
dir_id_(-1),
tmp_store_row_(nullptr),
io_event_observer_(nullptr),
removal_info_()
removal_info_(),
support_fast_single_row_agg_(false)
{
}
@ -5793,5 +5794,218 @@ int ObAggregateProcessor::get_json_objectagg_result(const ObAggrInfo &aggr_info,
}
return ret;
}
int ObAggregateProcessor::single_row_agg(GroupRow &group_row, ObEvalCtx &eval_ctx)
{
int ret = OB_SUCCESS;
if (!support_fast_single_row_agg_) {
group_row.reuse();
if (OB_FAIL(prepare(group_row))) {
LOG_WARN("failed to prepare group row", K(ret));
} else if (OB_FAIL(collect_group_row(&group_row))) {
LOG_WARN("failed to collect group by row", K(ret));
}
} else if (OB_FAIL(fast_single_row_agg(eval_ctx))) {
LOG_WARN("failed to fill result", K(ret));
}
return ret;
}
int ObAggregateProcessor::single_row_agg_batch(GroupRow **group_row, ObEvalCtx &eval_ctx, const int64_t batch_size, const ObBitVector *skip)
{
int ret = OB_SUCCESS;
CK (OB_NOT_NULL(group_row) && OB_NOT_NULL(skip));
ObEvalCtx::BatchInfoScopeGuard batch_info_guard(eval_ctx);
batch_info_guard.set_batch_size(batch_size);
if (OB_FAIL(ret)) {
} else if (!support_fast_single_row_agg_) {
for (int64_t i = 0; OB_SUCC(ret) && i < batch_size; ++i) {
if (skip->at(i)) {
continue;
}
if (OB_ISNULL(group_row[i])) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("group row is not init", K(ret), K(i));
} else {
group_row[i]->reuse();
batch_info_guard.set_batch_idx(i);
if (OB_FAIL(prepare(*group_row[i]))) {
LOG_WARN("failed to prepare group row", K(ret));
} else if (OB_FAIL(collect_group_row(group_row[i]))) {
LOG_WARN("failed to collect group by row", K(ret));
}
}
}
} else if (OB_FAIL(fast_single_row_agg_batch(eval_ctx, batch_size, skip))) {
LOG_WARN("failed to fill result", K(ret));
}
return ret;
}
int ObAggregateProcessor::fast_single_row_agg(ObEvalCtx &eval_ctx)
{
int ret = OB_SUCCESS;
for (int64_t i = 0; OB_SUCC(ret) && i < aggr_infos_.count(); ++i) {
ObAggrInfo &aggr_info = aggr_infos_.at(i);
if (aggr_info.is_implicit_first_aggr()) {
continue;
}
const ObItemType aggr_fun = aggr_info.get_expr_type();
switch (aggr_fun) {
case T_FUN_COUNT: {
bool has_null = false;
ObDatum &result = aggr_info.expr_->locate_datum_for_write(eval_ctx);
for (int64_t j = 0; !has_null && j < aggr_info.param_exprs_.count(); ++j) {
has_null = aggr_info.param_exprs_.at(j)->locate_expr_datum(eval_ctx).is_null();
}
if (lib::is_mysql_mode()) {
result.set_int(has_null ? 0 : 1);
} else {
result.set_number(has_null ? ObNumber::get_zero() : ObNumber::get_positive_one());
}
break;
}
case T_FUN_SUM: {
ObDatum &result = aggr_info.expr_->locate_datum_for_write(eval_ctx);
const ObObjTypeClass tc = ob_obj_type_class(aggr_info.get_first_child_type());
if ((ObIntTC == tc || ObUIntTC == tc) && !aggr_info.param_exprs_.at(0)->locate_expr_datum(eval_ctx).is_null()) {
ObNumStackAllocator<2> tmp_alloc;
ObNumber result_nmb;
if (ObIntTC == tc) {
if (OB_FAIL(result_nmb.from(aggr_info.param_exprs_.at(0)->locate_expr_datum(eval_ctx).get_int(), tmp_alloc))) {
LOG_WARN("create number from int failed", K(ret), K(result_nmb), K(tc));
}
} else {
if (OB_FAIL(result_nmb.from(aggr_info.param_exprs_.at(0)->locate_expr_datum(eval_ctx).get_uint(), tmp_alloc))) {
LOG_WARN("create number from int failed", K(ret), K(result_nmb), K(tc));
}
}
OX (result.set_number(result_nmb));
} else {
result.set_datum(aggr_info.param_exprs_.at(0)->locate_expr_datum(eval_ctx));
}
break;
}
case T_FUN_MAX:
case T_FUN_MIN: {
ObDatum &result = aggr_info.expr_->locate_expr_datum(eval_ctx);
result.set_datum(aggr_info.param_exprs_.at(0)->locate_expr_datum(eval_ctx));
break;
}
default: {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unknown aggr function type", K(ret), K(aggr_fun), K(*aggr_info.expr_));
}
}
}
return ret;
}
int ObAggregateProcessor::fast_single_row_agg_batch(ObEvalCtx &eval_ctx, const int64_t batch_size, const ObBitVector *skip)
{
int ret = OB_SUCCESS;
CK (OB_NOT_NULL(skip));
for (int64_t i = 0; OB_SUCC(ret) && i < aggr_infos_.count(); ++i) {
ObAggrInfo &aggr_info = aggr_infos_.at(i);
if (aggr_info.is_implicit_first_aggr()) {
continue;
}
const ObItemType aggr_fun = aggr_info.get_expr_type();
switch (aggr_fun) {
case T_FUN_COUNT: {
bool has_null[batch_size];
MEMSET(has_null, false, sizeof(bool) * batch_size);
ObDatum *result = aggr_info.expr_->locate_datums_for_update(eval_ctx, batch_size);
for (int64_t j = 0; j < aggr_info.param_exprs_.count(); ++j) {
ObDatumVector param_vec = aggr_info.param_exprs_.at(j)->locate_expr_datumvector(eval_ctx);
for (int64_t batch_idx = 0; batch_idx < batch_size; ++batch_idx) {
if (skip->at(batch_idx) || has_null[batch_idx]) {
continue;
}
has_null[batch_idx] = param_vec.at(batch_idx)->is_null();
}
}
if (lib::is_mysql_mode()) {
for (int64_t batch_idx = 0; batch_idx < batch_size; ++batch_idx) {
if (skip->at(batch_idx)) {
continue;
}
result[batch_idx].set_int(has_null[batch_idx] ? 0 : 1);
}
} else {
for (int64_t batch_idx = 0; OB_SUCC(ret) && batch_idx < batch_size; ++batch_idx) {
if (skip->at(batch_idx)) {
continue;
}
result[batch_idx].set_number(has_null[batch_idx] ? ObNumber::get_zero() : ObNumber::get_positive_one());
}
}
break;
}
case T_FUN_SUM: {
const ObObjTypeClass tc = ob_obj_type_class(aggr_info.get_first_child_type());
ObDatum *result = aggr_info.expr_->locate_datums_for_update(eval_ctx, batch_size);
ObDatumVector param_vec = aggr_info.param_exprs_.at(0)->locate_expr_datumvector(eval_ctx);
if (ObIntTC == tc) {
for (int64_t batch_idx = 0; OB_SUCC(ret) && batch_idx < batch_size; ++batch_idx) {
if (skip->at(batch_idx)) {
continue;
}
ObNumStackAllocator<2> tmp_alloc;
ObNumber result_nmb;
if (param_vec.at(batch_idx)->is_null()) {
result[batch_idx].set_null();
} else if (OB_FAIL(result_nmb.from(param_vec.at(batch_idx)->get_int(), tmp_alloc))) {
LOG_WARN("create number from int failed", K(ret), K(result_nmb), K(tc));
} else {
result[batch_idx].set_number(result_nmb);
}
}
} else if (ObUIntTC == tc) {
for (int64_t batch_idx = 0; OB_SUCC(ret) && batch_idx < batch_size; ++batch_idx) {
if (skip->at(batch_idx)) {
continue;
}
ObNumStackAllocator<2> tmp_alloc;
ObNumber result_nmb;
if (param_vec.at(batch_idx)->is_null()) {
result[batch_idx].set_null();
} else if (OB_FAIL(result_nmb.from(param_vec.at(batch_idx)->get_uint64(), tmp_alloc))) {
LOG_WARN("create number from int failed", K(ret), K(result_nmb), K(tc));
} else {
result[batch_idx].set_number(result_nmb);
}
}
} else {
for (int64_t batch_idx = 0; batch_idx < batch_size; ++batch_idx) {
if (skip->at(batch_idx)) {
continue;
}
result[batch_idx].set_datum(*param_vec.at(batch_idx));
}
}
break;
}
case T_FUN_MAX:
case T_FUN_MIN: {
ObDatum *result = aggr_info.expr_->locate_batch_datums(eval_ctx);
ObDatumVector param_vec = aggr_info.param_exprs_.at(0)->locate_expr_datumvector(eval_ctx);
for (int64_t batch_idx = 0; batch_idx < batch_size; ++batch_idx) {
if (skip->at(batch_idx)) {
continue;
}
result[batch_idx].set_datum(*param_vec.at(batch_idx));
}
break;
}
default: {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unknown aggr function type", K(ret), K(aggr_fun), K(*aggr_info.expr_));
}
}
}
return ret;
}
} //namespace sql
} //namespace oceanbase