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Copy pathob_operator.cpp
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2145 lines (2033 loc) · 72 KB
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/*
* Copyright (c) 2025 OceanBase.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define USING_LOG_PREFIX SQL_ENG
#include "ob_operator.h"
#include "ob_operator_factory.h"
#include "observer/ob_server.h"
#include "sql/engine/expr/ob_array_expr_utils.h"
namespace oceanbase
{
using namespace common;
namespace sql
{
OB_SERIALIZE_MEMBER(ObDynamicParamSetter, param_idx_, src_, dst_);
OB_SERIALIZE_MEMBER(ObOpSchemaObj, obj_type_, is_not_null_, order_type_);
int ObDynamicParamSetter::set_dynamic_param(ObEvalCtx &eval_ctx) const
{
int ret = OB_SUCCESS;
ObDatum *res = NULL;
if (OB_ISNULL(src_)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("expr not init", K(ret), KP(src_));
} else if (OB_FAIL(src_->eval(eval_ctx, res))) {
LOG_WARN("fail to calc rescan params", K(ret), K(*this));
} else if (OB_FAIL(update_dynamic_param(eval_ctx,*res))) {
LOG_WARN("update dynamic param store failed", K(ret));
}
return ret;
}
int ObDynamicParamSetter::set_dynamic_param_vec2(ObEvalCtx &eval_ctx, const sql::ObBitVector &skip_bit) const
{
int ret = OB_SUCCESS;
ObIVector *src_vec = nullptr;
const int64_t batch_idx = eval_ctx.get_batch_idx();
EvalBound eval_bound(eval_ctx.get_batch_size(), batch_idx, batch_idx + 1, false);
ObPhysicalPlanCtx *phy_ctx = eval_ctx.exec_ctx_.get_physical_plan_ctx();
//dst_->batch_result_ = true;
if (OB_ISNULL(src_) || OB_ISNULL(dst_) || OB_ISNULL(phy_ctx)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("expr not init", K(ret), KP(src_), K(dst_), K(phy_ctx));
} else if (OB_FAIL(src_->eval_vector(eval_ctx, skip_bit, eval_bound))) {
LOG_WARN("fail to calc rescan params", K(ret), K(*this));
} else if (OB_ISNULL(src_vec = src_->get_vector(eval_ctx))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("failed to get source vector", K(ret), K(src_vec));
} else {
const char *payload = NULL;
ObLength len = 0;
src_vec->get_payload(batch_idx, payload, len);
ObDatum res;
if (src_vec->is_null(batch_idx)) {
res.set_null();
} else if (src_->is_nested_expr() && !ObCollectionExprUtil::is_compact_fmt_cell(payload)) {
// vector_fmt not supported yet
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected data format", K(ret));
} else {
res.ptr_ = payload;
res.len_ = len;
res.null_ = 0;
}
ParamStore ¶m_store = phy_ctx->get_param_store_for_update();
if (OB_FAIL(ret)) {
} else if (OB_UNLIKELY(param_idx_ < 0 || param_idx_ >= param_store.count())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid index", K(ret), K(param_idx_), K(param_store.count()));
} else if (OB_FAIL(res.to_obj(param_store.at(param_idx_),
dst_->obj_meta_,
dst_->obj_datum_map_))) {
LOG_WARN("convert datum to obj failed", K(ret), "datum",
DATUM2STR(*dst_, res));
} else {
param_store.at(param_idx_).set_param_meta();
}
if (OB_SUCC(ret)) {
ObDatum ¶m_datum = dst_->locate_expr_datum(eval_ctx);
OZ(dst_->init_vector(eval_ctx, VEC_UNIFORM_CONST, 1));
clear_parent_evaluated_flag(eval_ctx, *dst_);
dst_->get_eval_info(eval_ctx).evaluated_ = true;
if (0 == dst_->res_buf_off_) {
// for compat, old server don't have ref buf for dynamic expr,
// so keep shallow copy
param_datum.set_datum(res);
} else {
if (OB_FAIL(dst_->deep_copy_datum(eval_ctx, res))) {
LOG_WARN("fail to deep copy datum", K(ret), K(eval_ctx), K(*dst_));
}
}
}
}
return ret;
}
int ObDynamicParamSetter::set_dynamic_param(ObEvalCtx &eval_ctx, ObObjParam *¶m) const
{
int ret = OB_SUCCESS;
ObPhysicalPlanCtx *phy_ctx = eval_ctx.exec_ctx_.get_physical_plan_ctx();
if (OB_ISNULL(phy_ctx)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("null phy ctx", K(ret), KP(phy_ctx));
} else if (OB_FAIL(set_dynamic_param(eval_ctx))) {
LOG_WARN("update dynamic param store failed", K(ret));
} else {
ParamStore ¶m_store = phy_ctx->get_param_store_for_update();
param = ¶m_store.at(param_idx_);
}
return ret;
}
int ObDynamicParamSetter::update_dynamic_param(ObEvalCtx &eval_ctx, ObDatum &datum) const
{
int ret = OB_SUCCESS;
ObPhysicalPlanCtx *phy_ctx = eval_ctx.exec_ctx_.get_physical_plan_ctx();
if (OB_ISNULL(phy_ctx) || OB_ISNULL(dst_)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), KP(phy_ctx), KP(dst_));
} else {
clear_parent_evaluated_flag(eval_ctx, *dst_);
ObDatum ¶m_datum = dst_->locate_expr_datum(eval_ctx);
dst_->get_eval_info(eval_ctx).evaluated_ = true;
if (0 == dst_->res_buf_off_) {
// for compat, old server don't have ref buf for dynamic expr,
// so keep shallow copy
param_datum.set_datum(datum);
} else {
if (OB_FAIL(dst_->deep_copy_datum(eval_ctx, datum))) {
LOG_WARN("fail to deep copy datum", K(ret), K(eval_ctx), K(*dst_));
}
}
// Initialize param store, used for query range calculation
ParamStore ¶m_store = phy_ctx->get_param_store_for_update();
if (OB_FAIL(ret)) {
} else if (OB_UNLIKELY(param_idx_ < 0 || param_idx_ >= param_store.count())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("invalid index", K(ret), K(param_idx_), K(param_store.count()));
} else if (OB_FAIL(param_datum.to_obj(param_store.at(param_idx_),
dst_->obj_meta_,
dst_->obj_datum_map_))) {
LOG_WARN("convert datum to obj failed", K(ret), "datum",
DATUM2STR(*dst_, param_datum));
} else {
// if exec param is decimal int, accuracy must be properly set
if (dst_->obj_meta_.is_decimal_int()) {
ObAccuracy acc(dst_->datum_meta_.precision_, dst_->datum_meta_.scale_);
param_store.at(param_idx_).set_param_meta(dst_->obj_meta_);
param_store.at(param_idx_).set_accuracy(acc);
} else {
param_store.at(param_idx_).set_param_meta();
}
}
}
return ret;
}
void ObDynamicParamSetter::clear_parent_evaluated_flag(ObEvalCtx &eval_ctx, const ObExpr &expr)
{
for (int64_t i = 0; i < expr.parent_cnt_; i++) {
clear_parent_evaluated_flag(eval_ctx, *expr.parents_[i]);
}
expr.get_eval_info(eval_ctx).clear_evaluated_flag();
}
ObOpSpec::ObOpSpec(ObIAllocator &alloc, const ObPhyOperatorType type)
: type_(type),
id_(OB_INVALID_ID),
plan_(NULL),
parent_(NULL),
children_(NULL),
child_cnt_(0),
left_(NULL),
right_(NULL),
output_(&alloc),
startup_filters_(&alloc),
filters_(&alloc),
calc_exprs_(&alloc),
cost_(0),
rows_(0),
width_(0),
px_est_size_factor_(),
plan_depth_(0),
max_batch_size_(0),
need_check_output_datum_(false),
use_rich_format_(false),
compress_type_(NONE_COMPRESSOR)
{
}
ObOpSpec::~ObOpSpec()
{
}
OB_SERIALIZE_MEMBER(ObOpSpec,
id_,
output_,
startup_filters_,
filters_,
calc_exprs_,
cost_,
rows_,
width_,
px_est_size_factor_,
plan_depth_,
max_batch_size_,
need_check_output_datum_,
use_rich_format_,
compress_type_);
DEF_TO_STRING(ObOpSpec)
{
int64_t pos = 0;
J_OBJ_START();
J_KV("name", op_name(),
K_(type),
K_(id),
K_(child_cnt),
"output_cnt", output_.count(),
"startup_filters_cnt", startup_filters_.count(),
"calc_exprs_cnt", calc_exprs_.count(),
K_(rows),
K_(max_batch_size),
K_(filters),
K_(use_rich_format),
K_(compress_type));
J_OBJ_END();
return pos;
}
int ObOpSpec::set_children_pointer(ObOpSpec **children, const uint32_t child_cnt)
{
int ret = OB_SUCCESS;
if (child_cnt > 0 && NULL == children) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), K(child_cnt), KP(children));
} else {
children_ = children;
child_cnt_ = child_cnt;
if (child_cnt > 0) {
child_ = children[0];
} else {
child_ = NULL;
}
if (child_cnt > 1) {
right_ = children[1];
} else {
right_ = NULL;
}
}
return ret;
}
int ObOpSpec::set_child(const uint32_t idx, ObOpSpec *child)
{
int ret = OB_SUCCESS;
if (idx >= child_cnt_ || OB_ISNULL(child)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), K(idx), K(child_cnt_), KP(child));
} else {
children_[idx] = child;
if (0 == idx) {
child_ = child;
}
if (1 == idx) {
right_ = child;
}
child->parent_ = this;
}
return ret;
}
int ObOpSpec::create_op_input(ObExecContext &exec_ctx) const
{
int ret = OB_SUCCESS;
// Do some sanity check,
// we no longer need to check the validity of those pointers in ObOperator.
if (OB_ISNULL(GET_MY_SESSION(exec_ctx))
|| OB_ISNULL(GET_PHY_PLAN_CTX(exec_ctx))
|| OB_ISNULL(GET_TASK_EXECUTOR_CTX(exec_ctx))) {
} else if (OB_FAIL(create_op_input_recursive(exec_ctx))) {
LOG_WARN("create operator recursive failed", K(ret));
}
LOG_TRACE("trace create input", K(ret), K(lbt()));
return ret;
}
int ObOpSpec::create_op_input_recursive(ObExecContext &exec_ctx) const
{
int ret = OB_SUCCESS;
ObOperatorKit *kit = exec_ctx.get_operator_kit(id_);
int64_t create_child_cnt = child_cnt_;
if (OB_ISNULL(kit) || (child_cnt_ > 0 && NULL == children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("operator kit should be created before create operator "
"and children must be valid",
K(ret), KP(kit), K(id_), KP(children_), K(create_child_cnt), K(type_));
} else {
kit->spec_ = this;
LOG_TRACE("trace create input", K(ret), K(id_), K(type_), K(lbt()));
}
// create operator input
if (OB_SUCC(ret)) {
// Operator input may created in scheduler, no need to create again.
if (NULL == kit->input_ && ObOperatorFactory::has_op_input(type_)) {
if (OB_FAIL(ObOperatorFactory::alloc_op_input(
exec_ctx.get_allocator(), exec_ctx, *this, kit->input_))) {
LOG_WARN("create operator input failed", K(ret), K(*this));
} else if (OB_ISNULL(kit->input_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("NULL input returned", K(ret));
} else {
kit->input_->set_deserialize_allocator(&exec_ctx.get_allocator());
LOG_TRACE("trace create input", K(ret), K(id_), K(type_));
}
}
}
// create child operator
if (OB_SUCC(ret) && create_child_cnt > 0) {
for (int64_t i = 0; OB_SUCC(ret) && i < create_child_cnt; i++) {
if (nullptr == children_[i]) {
// Here if there is a child but it is nullptr, it means it is a receive operator
if (!IS_PX_RECEIVE(type_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("only receive is leaf in px", K(ret), K(type_), K(id_));
}
} else if (OB_FAIL(children_[i]->create_op_input_recursive(exec_ctx))) {
LOG_WARN("create operator failed", K(ret));
}
}
}
return ret;
}
int ObOpSpec::create_operator(ObExecContext &exec_ctx, ObOperator *&op) const
{
int ret = OB_SUCCESS;
// Do some sanity check,
// we no longer need to check the validity of those pointers in ObOperator.
if (OB_ISNULL(GET_MY_SESSION(exec_ctx))
|| OB_ISNULL(GET_PHY_PLAN_CTX(exec_ctx))
|| OB_ISNULL(GET_TASK_EXECUTOR_CTX(exec_ctx))) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret));
} else if (OB_FAIL(create_operator_recursive(exec_ctx, op))) {
LOG_WARN("create operator recursive failed", K(ret));
} else if (OB_FAIL(create_exec_feedback_node_recursive(exec_ctx))) {
LOG_WARN("fail to create exec feedback node", K(ret));
}
LOG_DEBUG("trace create operator", K(ret), K(lbt()));
return ret;
}
int ObOpSpec::create_operator_recursive(ObExecContext &exec_ctx, ObOperator *&op) const
{
int ret = OB_SUCCESS;
if (OB_FAIL(check_stack_overflow())) {
LOG_WARN("failed to check stack overflow", K(ret));
} else {
ObOperatorKit *kit = exec_ctx.get_operator_kit(id_);
int64_t create_child_cnt = child_cnt_;
if (OB_ISNULL(kit) || (child_cnt_ > 0 && NULL == children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("operator kit should be created before create operator "
"and children must be valid",
K(ret), K(id_), KP(kit), KP(children_), K(create_child_cnt), K(type_));
} else {
kit->spec_ = this;
LOG_DEBUG("trace create spec", K(ret), K(id_), K(type_));
for (int64_t i = 0; OB_SUCC(ret) && i < child_cnt_; i++) {
if (NULL == children_[i]) {
// Here if there is a child but it is nullptr, it means it is a receive operator
if (!IS_PX_RECEIVE(type_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("only receive is leaf in px", K(ret), K(type_), K(id_));
} else {
create_child_cnt = 0;
}
} else if (IS_TRANSMIT(children_[i]->type_)) {
OB_ASSERT(1 == child_cnt_);
// only create context for current DFO
create_child_cnt = 0;
}
}
}
// create operator input
if (OB_SUCC(ret)) {
// Operator input may created in scheduler, no need to create again.
if (NULL == kit->input_ && ObOperatorFactory::has_op_input(type_)) {
if (OB_FAIL(ObOperatorFactory::alloc_op_input(
exec_ctx.get_allocator(), exec_ctx, *this, kit->input_))) {
LOG_WARN("create operator input failed", K(ret), K(*this));
} else if (OB_ISNULL(kit->input_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("NULL input returned", K(ret));
} else {
LOG_DEBUG("trace create input", K(ret), K(id_), K(type_));
}
}
}
// create operator
if (OB_SUCC(ret)) {
if (OB_FAIL(ObOperatorFactory::alloc_operator(
exec_ctx.get_allocator(), exec_ctx, *this,
kit->input_, create_child_cnt, kit->op_))
|| OB_ISNULL(kit->op_)) {
ret = OB_SUCCESS == ret ? OB_ERR_UNEXPECTED : ret;
LOG_WARN("create operator failed", K(ret), KP(kit->op_), K(*this));
} else {
op = kit->op_;
op->get_monitor_info().set_op(op);
op->get_monitor_info().set_operator_id(id_);
op->get_monitor_info().set_operator_type(type_);
op->get_monitor_info().set_plan_depth(plan_depth_);
op->get_monitor_info().set_tenant_id(GET_MY_SESSION(exec_ctx)->get_effective_tenant_id());
op->get_monitor_info().open_time_ = oceanbase::common::ObClockGenerator::getClock();
op->get_monitor_info().set_rich_format(use_rich_format_);
op->get_monitor_info().set_plan_hash_value(plan_->get_plan_hash_value());
if (OB_FAIL(op->get_monitor_info().set_sql_id(plan_->get_sql_id_string()))) {
LOG_WARN("Fail to set sql_id", K(ret));
}
}
}
// create child operator
if (OB_SUCC(ret)) {
if (create_child_cnt > 0) {
for (int64_t i = 0; OB_SUCC(ret) && i < create_child_cnt; i++) {
ObOperator *child_op = NULL;
if (nullptr == children_[i]) {
// Here if there is a child but it is nullptr, it means it is a receive operator
if (!IS_PX_RECEIVE(type_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("only receive is leaf in px", K(ret), K(type_), K(id_));
}
} else if (OB_FAIL(children_[i]->create_operator_recursive(exec_ctx, child_op))) {
LOG_WARN("create operator failed", K(ret));
} else if (OB_FAIL(op->set_child(i, child_op))) {
LOG_WARN("set child operator failed", K(ret));
}
}
} else if (child_cnt_ > 0) {
if (OB_FAIL(assign_spec_ptr_recursive(exec_ctx))) {
LOG_WARN("assign spec ptr failed", K(ret));
}
}
}
}
return ret;
}
int ObOpSpec::create_exec_feedback_node_recursive(ObExecContext &exec_ctx) const
{
int ret = OB_SUCCESS;
ObOperatorKit *kit = exec_ctx.get_operator_kit(id_);
ObPhysicalPlanCtx *physical_ctx = exec_ctx.get_physical_plan_ctx();
if (OB_ISNULL(plan_) || OB_ISNULL(physical_ctx)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("phy plan or ctx is null", K(ret), K(plan_), K(physical_ctx));
} else if (!physical_ctx->get_check_pdml_affected_rows() && !plan_->need_record_plan_info()) {
} else if (OB_ISNULL(kit)) {
LOG_TRACE("operator kit is NULL", K(ret));
} else {
ObExecFeedbackInfo &fb_info = exec_ctx.get_feedback_info();
ObExecFeedbackNode node(id_);
if (OB_FAIL(fb_info.add_feedback_node(node))) {
LOG_WARN("fail to add feedback node", K(ret));
} else if (OB_NOT_NULL(kit->op_)) {
common::ObIArray<ObExecFeedbackNode> &nodes = fb_info.get_feedback_nodes();
kit->op_->set_feedback_node_idx(nodes.count() - 1);
}
for (int i = 0; OB_SUCC(ret) && i < child_cnt_; ++i) {
if (nullptr == children_[i]) {
continue;
} else if (OB_FAIL(SMART_CALL(children_[i]->create_exec_feedback_node_recursive(
exec_ctx)))) {
LOG_WARN("fail to link sql plan monitor", K(ret));
}
}
}
return ret;
}
int ObOpSpec::assign_spec_ptr_recursive(ObExecContext &exec_ctx) const
{
int ret = OB_SUCCESS;
ObOperatorKit *kit = exec_ctx.get_operator_kit(id_);
if (NULL == kit) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("operator kit is NULL", K(ret));
} else {
kit->spec_ = this;
for (int64_t i = 0; OB_SUCC(ret) && i < child_cnt_; i++) {
if (OB_FAIL(children_[i]->assign_spec_ptr_recursive(exec_ctx))) {
LOG_WARN("assign spec ptr failed", K(ret));
}
}
}
return ret;
}
int ObOpSpec::accept(ObOpSpecVisitor &visitor) const
{
int ret = OB_SUCCESS;
if (OB_FAIL(visitor.pre_visit(*this))) {
LOG_WARN("failed to pre visit", K(ret));
}
if (OB_FAIL(ret)) {
// do nothing
} else if (OB_ISNULL(children_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected null children", K(ret));
}
for (int i = 0; OB_SUCC(ret) && i < child_cnt_; i++) {
if (OB_ISNULL(children_[i])) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected null children", K(ret));
} else if (OB_FAIL(children_[i]->accept(visitor))) {
LOG_WARN("failed to visit", K(ret));
}
} // end for
if (OB_SUCC(ret) && OB_FAIL(visitor.post_visit(*this))) {
LOG_WARN("failed to post visit", K(ret));
}
return ret;
}
ObOperator::ObOperator(ObExecContext &exec_ctx, const ObOpSpec &spec, ObOpInput *input)
: spec_(spec),
ctx_(exec_ctx),
eval_ctx_(exec_ctx),
eval_infos_(exec_ctx.get_allocator()),
input_(input),
parent_(NULL),
children_(NULL),
child_cnt_(0),
left_(NULL),
right_(NULL),
try_check_tick_(0),
try_monitor_tick_(0),
opened_(false),
startup_passed_(spec_.startup_filters_.empty()),
exch_drained_(false),
got_first_row_(false),
need_init_before_get_row_(true),
fb_node_idx_(OB_INVALID_INDEX),
io_event_observer_(op_monitor_info_),
cpu_begin_time_(0),
cpu_begin_level_(0),
total_time_(0),
batch_reach_end_(false),
row_reach_end_(false),
output_batches_b4_rescan_(0),
#ifdef ENABLE_DEBUG_LOG
dummy_mem_context_(nullptr),
dummy_ptr_(nullptr),
#endif
check_stack_overflow_(false)
{
eval_ctx_.max_batch_size_ = spec.max_batch_size_;
eval_ctx_.batch_size_ = spec.max_batch_size_;
}
ObOperator::~ObOperator()
{
ObOperator::destroy();
}
int ObOperator::set_children_pointer(ObOperator **children, const uint32_t child_cnt)
{
int ret = OB_SUCCESS;
if (child_cnt > 0 && NULL == children) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), K(child_cnt), KP(children));
} else {
children_ = children;
child_cnt_ = child_cnt;
if (child_cnt > 0) {
child_ = children[0];
} else {
child_ = NULL;
}
if (child_cnt > 1) {
right_ = children[1];
} else {
right_ = NULL;
}
}
return ret;
}
int ObOperator::set_child(const uint32_t idx, ObOperator *child)
{
int ret = OB_SUCCESS;
if (idx >= child_cnt_ || OB_ISNULL(child)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), K(idx), K(child_cnt_), KP(child));
} else {
children_[idx] = child;
if (0 == idx) {
child_ = child;
}
if (1 == idx) {
right_ = child;
}
child_->parent_ = this;
}
return ret;
}
int ObOperator::init()
{
return OB_SUCCESS;
}
int ObOperator::check_stack_once()
{
int ret = OB_SUCCESS;
if (check_stack_overflow_) {
} else if (OB_FAIL(common::check_stack_overflow())) {
LOG_WARN("failed to check stack overflow", K(ret));
} else {
check_stack_overflow_ = true;
}
return ret;
}
int ObOperator::output_expr_sanity_check()
{
int ret = OB_SUCCESS;
for (int64_t i = 0; OB_SUCC(ret) && i < spec_.output_.count(); ++i) {
ObDatum *datum = NULL;
const ObExpr *expr = spec_.output_[i];
if (OB_ISNULL(expr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("error unexpected, expr is nullptr", K(ret));
} else if (OB_FAIL(expr->eval(eval_ctx_, datum))) {
LOG_WARN("evaluate expression failed", K(ret));
} else {
SANITY_CHECK_RANGE(datum->ptr_, datum->len_);
}
}
return ret;
}
int ObOperator::output_nested_expr_sanity_check_batch(const ObExpr &expr)
{
int ret = OB_SUCCESS;
for (uint32_t i = 0; OB_SUCC(ret) && i < expr.attrs_cnt_; ++i) {
if (OB_FAIL(output_expr_sanity_check_batch_inner(*expr.attrs_[i]))) {
LOG_WARN("check nested expr sanity failed", K(ret));
}
}
return ret;
}
int ObOperator::output_expr_sanity_check_batch_inner(const ObExpr &expr)
{
int ret = OB_SUCCESS;
VectorFormat vec_fmt = expr.get_format(eval_ctx_);
ObIVector *ivec = expr.get_vector(eval_ctx_);
if (vec_fmt == VEC_UNIFORM || vec_fmt == VEC_UNIFORM_CONST) {
ObUniformBase *uni_data = static_cast<ObUniformBase *>(ivec);
if (vec_fmt == VEC_UNIFORM_CONST) {
if (brs_.skip_->accumulate_bit_cnt(brs_.size_) < brs_.size_) {
ObDatum &datum = uni_data->get_datums()[0];
SANITY_CHECK_RANGE(datum.ptr_, datum.len_);
}
} else {
ObDatum *datums = uni_data->get_datums();
for (int j = 0; j < brs_.size_; j++) {
if (!brs_.skip_->at(j)) {
SANITY_CHECK_RANGE(datums[j].ptr_, datums[j].len_);
}
}
}
} else if (vec_fmt == VEC_FIXED) {
ObFixedLengthBase *fixed_data = static_cast<ObFixedLengthBase *>(ivec);
ObBitmapNullVectorBase *nulls = static_cast<ObBitmapNullVectorBase *>(ivec);
int32_t len = fixed_data->get_length();
for (int j = 0; j < brs_.size_; j++) {
if (!brs_.skip_->at(j) && !nulls->is_null(j)) {
SANITY_CHECK_RANGE(fixed_data->get_data() + j * len, len);
}
}
} else if (vec_fmt == VEC_DISCRETE) {
ObDiscreteBase *dis_data = static_cast<ObDiscreteBase *>(ivec);
ObBitmapNullVectorBase *nulls = static_cast<ObBitmapNullVectorBase *>(ivec);
char **ptrs = dis_data->get_ptrs();
ObLength *lens = dis_data->get_lens();
for (int j = 0; j < brs_.size_; j++) {
if (!brs_.skip_->at(j) && !nulls->is_null(j)) {
SANITY_CHECK_RANGE(ptrs[j], lens[j]);
}
}
} else if (vec_fmt == VEC_CONTINUOUS) {
ObContinuousBase *cont_base = static_cast<ObContinuousBase *>(ivec);
ObBitmapNullVectorBase *nulls = static_cast<ObBitmapNullVectorBase *>(ivec);
uint32_t *offsets = cont_base->get_offsets();
char *data = cont_base->get_data();
for (int j = 0; j < brs_.size_; j++) {
if (!brs_.skip_->at(j) && !nulls->is_null(j)) {
SANITY_CHECK_RANGE(data + offsets[j], offsets[j + 1] - offsets[j]);
}
}
} else {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected format", K(ret), K(vec_fmt));
}
return ret;
}
int ObOperator::output_expr_sanity_check_batch()
{
int ret = OB_SUCCESS;
for (int64_t i = 0; OB_SUCC(ret) && i < spec_.output_.count(); ++i) {
const ObExpr *expr = spec_.output_[i];
if (OB_ISNULL(expr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("error unexpected, expr is nullptr", K(ret));
} else if (OB_FAIL(expr->eval_vector(eval_ctx_, brs_))) {
LOG_WARN("eval vector failed", K(ret));
} else if (GET_MY_SESSION(eval_ctx_.exec_ctx_)->is_diagnosis_enabled() &&
OB_FAIL(do_diagnosis(eval_ctx_.exec_ctx_, *brs_.skip_))) {
LOG_WARN("fail to do diagnosis", K(ret));
} else if (OB_FAIL(output_expr_sanity_check_batch_inner(*expr))) {
LOG_WARN("expr sanity check batch failed", K(ret));
}
}
return ret;
}
int ObOperator::output_expr_decint_datum_len_check()
{
int ret = OB_SUCCESS;
for (int64_t i = 0; OB_SUCC(ret) && i < spec_.output_.count(); ++i) {
ObDatum *datum = NULL;
const ObExpr *expr = spec_.output_[i];
if (OB_ISNULL(expr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("error unexpected, expr is nullptr", K(ret));
} else if (!ob_is_decimal_int(expr->datum_meta_.get_type())) {
// do nothing
} else if (OB_FAIL(expr->eval(eval_ctx_, datum))) {
LOG_WARN("evaluate expression failed", K(ret));
} else {
const int16_t precision = expr->datum_meta_.precision_;
if (OB_UNLIKELY(precision < 0)) {
LOG_WARN("the precision of decimal int expr is unknown", K(ret), K(precision), K(*expr));
} else if (!datum->is_null() && datum->len_ != 0) {
const int len = wide::ObDecimalIntConstValue::get_int_bytes_by_precision(precision);
OB_ASSERT (len == datum->len_);
}
}
}
return ret;
}
int ObOperator::output_expr_decint_datum_len_check_batch()
{
int ret = OB_SUCCESS;
for (int64_t i = 0; OB_SUCC(ret) && i < spec_.output_.count(); ++i) {
const ObExpr *expr = spec_.output_[i];
if (OB_ISNULL(expr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("error unexpected, expr is nullptr", K(ret));
} else if (!ob_is_decimal_int(expr->datum_meta_.get_type())) {
// do nothing
} else {
const int16_t precision = expr->datum_meta_.precision_;
const int len = wide::ObDecimalIntConstValue::get_int_bytes_by_precision(precision);
if (OB_UNLIKELY(precision < 0)) {
LOG_WARN("the precision of decimal int expr is unknown", K(ret), K(precision), K(*expr));
} else if (OB_FAIL(expr->eval_batch(eval_ctx_, *brs_.skip_, brs_.size_))) {
LOG_WARN("evaluate expression failed", K(ret));
} else if (GET_MY_SESSION(eval_ctx_.exec_ctx_)->is_diagnosis_enabled() &&
OB_FAIL(do_diagnosis(eval_ctx_.exec_ctx_, *brs_.skip_))) {
LOG_WARN("fail to do diagnosis", K(ret));
} else if (!expr->is_batch_result()) {
const ObDatum &datum = expr->locate_expr_datum(eval_ctx_);
if (!datum.is_null() && datum.len_ != 0) {
OB_ASSERT (len == datum.len_);
}
} else {
const ObDatum *datums = expr->locate_batch_datums(eval_ctx_);
for (int64_t j = 0; j < brs_.size_; j++) {
if (!brs_.skip_->at(j) && !datums[j].is_null()) {
OB_ASSERT (len == datums[j].len_);
}
}
}
}
}
return ret;
}
// copy from ob_phy_operator.cpp
int ObOperator::open()
{
int ret = OB_SUCCESS;
if (OB_FAIL(check_stack_overflow())) {
LOG_WARN("failed to check stack overflow", K(ret));
} else {
ASH_ITEM_ATTACH_GUARD(plan_line_id, spec_.id_);
OperatorOpenOrder open_order = get_operator_open_order();
if (!spec_.is_vectorized()) {
/*
for non-vectorized operator, need set batch size 1;
case: vectorize.select_basic_vec_oracle
OceanBase(TEST@TEST)>explain insert into dlt6 select * from dlt4\G
*************************** 1. row ***************************
Query Plan: =======================================
|ID|OPERATOR |NAME |EST. ROWS|COST|
---------------------------------------
|0 |INSERT | |7 |97 |
|1 | SUBPLAN SCAN|VIEW1|7 |46 |
|2 | TABLE SCAN |DLT4 |7 |46 |
=======================================
when vectorizition enable, batch_result_ of column_conv expr in insert_op is true,
if batch size of insert eval_ctx is 0, when column_conv eval, reset_ptr will do nothing,
caused datum ptr is null, and core when execution;
*/
eval_ctx_.set_batch_size(1);
eval_ctx_.set_batch_idx(0);
}
if (ctx_.get_my_session()->is_user_session() || spec_.plan_->get_phy_plan_hint().monitor_) {
IGNORE_RETURN try_register_rt_monitor_node(0);
}
while (OB_SUCC(ret) && open_order != OPEN_EXIT) {
switch (open_order) {
case OPEN_CHILDREN_FIRST:
case OPEN_CHILDREN_LATER: {
for (int64_t i = 0; OB_SUCC(ret) && i < child_cnt_; ++i) {
// children_ pointer is checked before operator open, no need check again.
if (OB_FAIL(children_[i]->open())) {
if (OB_TRY_LOCK_ROW_CONFLICT != ret && OB_TRANSACTION_SET_VIOLATION != ret) {
LOG_WARN("Open child operator failed", K(ret), "op_type", op_name());
}
}
}
open_order = (OPEN_CHILDREN_FIRST == open_order) ? OPEN_SELF_LATER : OPEN_EXIT;
break;
}
case OPEN_SELF_FIRST:
case OPEN_SELF_LATER:
case OPEN_SELF_ONLY: {
if (OB_FAIL(init_evaluated_flags())) {
LOG_WARN("init evaluate flags failed", K(ret));
} else if (OB_FAIL(init_skip_vector())) {
LOG_WARN("init skip vector failed", K(ret));
}
#ifdef ENABLE_DEBUG_LOG
else if (OB_FAIL(init_dummy_mem_context(ctx_.get_my_session()->get_effective_tenant_id()))) {
LOG_WARN("failed to get mem context", K(ret));
} else if (OB_LIKELY(nullptr == dummy_ptr_)
&& OB_ISNULL(dummy_ptr_ = static_cast<char *>(dummy_mem_context_->get_malloc_allocator().alloc(sizeof(char))))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("failed to alloc memory", K(ret));
}
#endif
else if (OB_FAIL(inner_open())) {
if (OB_TRY_LOCK_ROW_CONFLICT != ret && OB_TRANSACTION_SET_VIOLATION != ret) {
LOG_WARN("Open this operator failed", K(ret), "op_type", op_name());
}
}
open_order = (OPEN_SELF_FIRST == open_order) ? OPEN_CHILDREN_LATER : OPEN_EXIT;
break;
}
case OPEN_EXIT: {
open_order = OPEN_EXIT;
break;
}
default:
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected open order type", K(open_order));
break;
}
}
if (OB_SUCC(ret)) {
opened_ = true;
clear_batch_end_flag();
if (spec_.need_check_output_datum_) {
void * ptr = ctx_.get_allocator().alloc(sizeof(ObBatchResultHolder));
if (OB_ISNULL(ptr)) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("allocation failed for brs_checker_", K(ret), K(sizeof(ObBatchResultHolder)));
} else {
// replace new the object
brs_checker_ = new(ptr) ObBatchResultHolder();
if (OB_FAIL(brs_checker_->init(spec_.output_, eval_ctx_))) {
LOG_WARN("brs_holder init failed", K(ret));
}
}
}
}
LOG_DEBUG("open op", K(ret), "op_type", op_name(), "op_id", spec_.id_, K(open_order));
}
return ret;
}
void ObOperator::reset_output_format()
{
if (spec_.plan_->get_use_rich_format() && !spec_.use_rich_format_) {
FOREACH_CNT(e, spec_.output_) {
if (!is_uniform_format((*e)->get_format(eval_ctx_))) {
(*e)->get_vector_header(eval_ctx_).format_ = VEC_INVALID;
}
}
}
}
int ObOperator::init_evaluated_flags()
{
int ret = OB_SUCCESS;
if (!spec_.calc_exprs_.empty()) {
if (OB_FAIL(eval_infos_.prepare_allocate(spec_.calc_exprs_.count()))) {
LOG_WARN("init fixed array failed", K(ret));
} else {
for (int64_t i = 0; i < spec_.calc_exprs_.count(); i++) {
eval_infos_.at(i) = &spec_.calc_exprs_.at(i)->get_eval_info(eval_ctx_);
}
}
}
return ret;
}
// default batch_size is 1
int ObOperator::init_skip_vector()
{
int ret = OB_SUCCESS;
if (spec_.get_phy_plan()->is_vectorized() && NULL == brs_.skip_) {
int batch_size = 0;
if (spec_.max_batch_size_ > 0) {
batch_size = spec_.max_batch_size_;
} else {
batch_size = 1;
}
void *mem = ctx_.get_allocator().alloc(ObBitVector::memory_size(batch_size));
if (OB_ISNULL(mem)) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("allocate memory failed", K(ret));
} else {
brs_.skip_ = to_bit_vector(mem);
brs_.skip_->init(batch_size);
}
}
return ret;
}
// copy from ob_phy_operator.cpp
int ObOperator::rescan()
{
//rescan must reset the operator context to the state after call operator open()
//for the general non-terminal operator, function rescan() is to call children rescan()
//if you want to do more, you must rewrite this function
//for the general terminal operator, function rescan() does nothing
//you can rewrite it to complete special function
int ret = OB_SUCCESS;
ASH_ITEM_ATTACH_GUARD(plan_line_id, spec_.id_);
for (int64_t i = 0; OB_SUCC(ret) && i < child_cnt_; ++i) {
if (OB_FAIL(children_[i]->rescan())) {
LOG_WARN("rescan child operator failed",
K(ret), K(i), "op_type", op_name(),
"child op_type", children_[i]->op_name());
}
}
if (OB_FAIL(ret)) {
} else if (OB_FAIL(inner_rescan())) {
if (OB_ITER_END != ret) {
LOG_WARN("failed to inner rescan", K(ret));
}