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Copy pathob_query_range_define.cpp
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2205 lines (2128 loc) · 87.2 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_REWRITE
#include "sql/rewrite/ob_query_range_define.h"
#include "sql/rewrite/ob_expr_range_converter.h"
#include "sql/rewrite/ob_range_graph_generator.h"
#include "sql/rewrite/ob_range_generator.h"
#include "sql/engine/ob_exec_context.h"
#include "sql/optimizer/ob_opt_est_utils.h"
#include "sql/optimizer/ob_optimizer_util.h"
#include "sql/resolver/expr/ob_raw_expr_util.h"
namespace oceanbase {
using namespace common;
namespace sql {
ERRSIM_POINT_DEF(ERRSIM_FAST_NLJ_RANGE_GENERATOR_CHECK);
void ObRangeNode::reset()
{
flags_ = 0;
column_cnt_ = 0;
start_keys_ = nullptr;
end_keys_ = nullptr;
min_offset_ = -1;
max_offset_ = -1;
in_param_count_ = 0;
node_id_ = -1;
or_next_ = nullptr;
and_next_ = nullptr;
}
int ObRangeNode::deep_copy(const ObRangeNode &other)
{
int ret = OB_SUCCESS;
flags_ = other.flags_;
column_cnt_= other.column_cnt_;
min_offset_= other.min_offset_;
max_offset_= other.max_offset_;
in_param_count_= other.in_param_count_;
node_id_= other.node_id_;
start_keys_ = static_cast<int64_t*>(allocator_.alloc(sizeof(int64_t) * column_cnt_ * 2));
if (OB_ISNULL(start_keys_)) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("failed to allocate memory for range node keys");
} else {
end_keys_ = start_keys_ + column_cnt_;
MEMCPY(start_keys_, other.start_keys_, sizeof(int64_t) * column_cnt_);
MEMCPY(end_keys_, other.end_keys_, sizeof(int64_t) * column_cnt_);
}
// do not copy or/and next
or_next_ = nullptr;
and_next_ = nullptr;
return ret;
}
void ObRangeNode::set_always_true()
{
flags_ = 0;
always_true_ = true;
min_offset_ = -1;
max_offset_ = -1;
in_param_count_ = 0;
node_id_ = -1;
or_next_ = nullptr;
and_next_ = nullptr;
for (int64_t i = 0; i < column_cnt_; ++i) {
start_keys_[i] = OB_RANGE_MIN_VALUE;
end_keys_[i] = OB_RANGE_MAX_VALUE;
}
}
void ObRangeNode::set_always_false()
{
flags_ = 0;
always_false_ = true;
min_offset_ = -1;
max_offset_ = -1;
in_param_count_ = 0;
node_id_ = -1;
or_next_ = nullptr;
and_next_ = nullptr;
for (int64_t i = 0; i < column_cnt_; ++i) {
start_keys_[i] = OB_RANGE_MAX_VALUE;
end_keys_[i] = OB_RANGE_MIN_VALUE;
}
}
OB_DEF_SERIALIZE(ObRangeNode)
{
int ret = OB_SUCCESS;
OB_UNIS_ENCODE(flags_);
OB_UNIS_ENCODE(column_cnt_);
for (int64_t i = 0; OB_SUCC(ret) && i < column_cnt_; ++i) {
OB_UNIS_ENCODE(start_keys_[i]);
OB_UNIS_ENCODE(end_keys_[i]);
}
OB_UNIS_ENCODE(min_offset_);
OB_UNIS_ENCODE(max_offset_);
OB_UNIS_ENCODE(in_param_count_);
OB_UNIS_ENCODE(node_id_);
return ret;
}
OB_DEF_DESERIALIZE(ObRangeNode)
{
int ret = OB_SUCCESS;
OB_UNIS_DECODE(flags_);
OB_UNIS_DECODE(column_cnt_);
void *ptr = NULL;
if (OB_ISNULL(ptr = allocator_.alloc(sizeof(int64_t) * column_cnt_ * 2))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("alloc memory failed");
} else {
start_keys_ = static_cast<int64_t*>(ptr);
end_keys_ = start_keys_ + column_cnt_;
for (int64_t i = 0; OB_SUCC(ret) && i < column_cnt_; ++i) {
OB_UNIS_DECODE(start_keys_[i]);
OB_UNIS_DECODE(end_keys_[i]);
}
OB_UNIS_DECODE(min_offset_);
OB_UNIS_DECODE(max_offset_);
OB_UNIS_DECODE(in_param_count_);
OB_UNIS_DECODE(node_id_);
}
return ret;
}
OB_DEF_SERIALIZE_SIZE(ObRangeNode)
{
int64_t len = 0;
OB_UNIS_ADD_LEN(flags_);
OB_UNIS_ADD_LEN(column_cnt_);
// start keys and end keys
for (int64_t i = 0; i < column_cnt_; ++i) {
OB_UNIS_ADD_LEN(start_keys_[i]);
OB_UNIS_ADD_LEN(end_keys_[i]);
}
OB_UNIS_ADD_LEN(min_offset_);
OB_UNIS_ADD_LEN(max_offset_);
OB_UNIS_ADD_LEN(in_param_count_);
OB_UNIS_ADD_LEN(node_id_);
return len;
}
DEF_TO_STRING(ObRangeNode)
{
int64_t pos = 0;
J_OBJ_START();
// print parameters
J_KV(K_(always_true),
K_(always_false),
K_(min_offset),
K_(max_offset),
K_(column_cnt),
K_(include_start),
K_(include_end),
K_(contain_in),
K_(is_domain_node),
K_(node_id));
// print range
J_COMMA();
BUF_PRINTF("range:");
J_ARRAY_START();
for (int64_t i = 0; i < column_cnt_; ++i) {
BUF_PRINTO(start_keys_[i]);
if (i == column_cnt_ - 1) {
BUF_PRINTF("; ");
} else {
J_COMMA();
}
}
for (int64_t i = 0; i < column_cnt_; ++i) {
BUF_PRINTO(end_keys_[i]);
if (i < column_cnt_ - 1) {
J_COMMA();
}
}
J_ARRAY_END();
// print node connection relation
J_COMMA();
J_KV(KP(this),
KP_(or_next),
KP_(and_next));
J_OBJ_END();
return pos;
}
OB_DEF_SERIALIZE(ObRangeMap)
{
int ret = OB_SUCCESS;
int64_t cnt = expr_final_infos_.count();
OB_UNIS_ENCODE(cnt);
for (int64_t i = 0; OB_SUCC(ret) && i < cnt; ++i) {
OB_UNIS_ENCODE(expr_final_infos_.at(i).flags_);
if (expr_final_infos_.at(i).is_param_) {
OB_UNIS_ENCODE(expr_final_infos_.at(i).param_idx_);
} else if (expr_final_infos_.at(i).is_const_) {
OB_UNIS_ENCODE(*expr_final_infos_.at(i).const_val_);
} else if (expr_final_infos_.at(i).is_expr_) {
OB_UNIS_ENCODE(*expr_final_infos_.at(i).temp_expr_);
}
}
cnt = in_params_.count();
OB_UNIS_ENCODE(cnt);
for (int64_t i = 0; OB_SUCC(ret) && i < cnt; ++i) {
InParam* param = in_params_.at(i);
if (OB_ISNULL(param)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected null");
} else {
OB_UNIS_ENCODE(param->count());
for (int64_t j = 0; OB_SUCC(ret) && j < param->count(); ++j) {
OB_UNIS_ENCODE(param->at(j));
}
}
}
return ret;
}
OB_DEF_DESERIALIZE(ObRangeMap)
{
int ret = OB_SUCCESS;
expr_final_infos_.reset();
int64_t cnt = 0;
OB_UNIS_DECODE(cnt);
if (OB_SUCC(ret)) {
if (OB_FAIL(expr_final_infos_.prepare_allocate(cnt))) {
LOG_WARN("failed to prepare allocate expr final info", K(cnt));
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < cnt; ++i) {
OB_UNIS_DECODE(expr_final_infos_.at(i).flags_);
if (expr_final_infos_.at(i).is_param_) {
OB_UNIS_DECODE(expr_final_infos_.at(i).param_idx_);
} else if (expr_final_infos_.at(i).is_const_) {
ObObj *obj_val = nullptr;
void *ptr = allocator_.alloc(sizeof(ObObj));
if (OB_ISNULL(ptr)) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("failed to allocate memeory for ObObj");
} else {
obj_val = new(ptr)ObObj();
OB_UNIS_DECODE(*obj_val);
if (OB_SUCC(ret)) {
expr_final_infos_.at(i).const_val_ = obj_val;
}
}
} else if (expr_final_infos_.at(i).is_expr_) {
ObTempExpr *temp_expr = nullptr;
void *ptr = allocator_.alloc(sizeof(ObTempExpr));
if (OB_ISNULL(ptr)) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("failed to allocate memeory for temp expr");
} else {
temp_expr = new(ptr)ObTempExpr(allocator_);
OB_UNIS_DECODE(*temp_expr);
if (OB_SUCC(ret)) {
expr_final_infos_.at(i).temp_expr_ = temp_expr;
}
}
}
}
OB_UNIS_DECODE(cnt);
if (OB_SUCC(ret)) {
if (OB_FAIL(in_params_.prepare_allocate(cnt))) {
LOG_WARN("failed to init array", K(ret));
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < cnt; ++i) {
InParam* param = nullptr;
int64_t param_cnt = 0;
void *ptr = allocator_.alloc(sizeof(InParam));
if (OB_ISNULL(ptr)) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("failed to allocate memeory for in param");
} else {
param = new(ptr)InParam(allocator_);
in_params_.at(i) = param;
OB_UNIS_DECODE(param_cnt);
if (OB_SUCC(ret)) {
if (OB_FAIL(param->prepare_allocate(param_cnt))) {
LOG_WARN("failed to init array");
}
}
for (int64_t j = 0; OB_SUCC(ret) && j < param_cnt; ++j) {
OB_UNIS_DECODE(param->at(j));
}
}
}
return ret;
}
OB_DEF_SERIALIZE_SIZE(ObRangeMap)
{
int64_t len = 0;
int64_t cnt = expr_final_infos_.count();
OB_UNIS_ADD_LEN(cnt);
for (int64_t i = 0; i < cnt; ++i) {
OB_UNIS_ADD_LEN(expr_final_infos_.at(i).flags_);
if (expr_final_infos_.at(i).is_param_) {
OB_UNIS_ADD_LEN(expr_final_infos_.at(i).param_idx_);
} else if (expr_final_infos_.at(i).is_const_) {
OB_UNIS_ADD_LEN(*expr_final_infos_.at(i).const_val_);
} else if (expr_final_infos_.at(i).is_expr_) {
OB_UNIS_ADD_LEN(*expr_final_infos_.at(i).temp_expr_);
}
}
cnt = in_params_.count();
OB_UNIS_ADD_LEN(cnt);
for (int64_t i = 0; i < cnt; ++i) {
InParam* param = in_params_.at(i);
if (OB_NOT_NULL(param)) {
OB_UNIS_ADD_LEN(param->count());
for (int64_t j = 0; j < param->count(); ++j) {
OB_UNIS_ADD_LEN(param->at(j));
}
}
}
return len;
}
//ObRangeColumnMeta
OB_SERIALIZE_MEMBER(ObRangeColumnMeta, column_type_);
//ObFastFinalPos
OB_SERIALIZE_MEMBER(ObFastFinalPos, index_, offset_, flags_);
int ObQueryRangeCtx::init(ObPreRangeGraph *pre_range_graph,
const ObIArray<ColumnItem> &range_columns,
ExprConstrantArray *expr_constraints,
const ParamStore *params,
ObRawExprFactory *expr_factory,
const bool ignore_calc_failure,
const int64_t index_prefix,
const ColumnIdInfoMap *geo_column_id_map,
const bool force_no_link,
const ObTableSchema *index_schema)
{
int ret = OB_SUCCESS;
ObQueryCtx *query_ctx = NULL;
if (OB_ISNULL(pre_range_graph) || OB_ISNULL(exec_ctx_) || OB_ISNULL(exec_ctx_->get_my_session()) ||
OB_ISNULL(query_ctx = exec_ctx_->get_query_ctx()) || OB_UNLIKELY(range_columns.count() <= 0)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected param", K(ret), K(pre_range_graph), K(exec_ctx_), K(query_ctx));
} else if (OB_FAIL(column_metas_.assign(pre_range_graph->get_column_metas()))) {
LOG_WARN("failed to assign column meta");
} else if (OB_FAIL(column_flags_.prepare_allocate(pre_range_graph->get_column_metas().count()))) {
LOG_WARN("failed to prepare allocate");
} else if (OB_FAIL(exec_ctx_->get_my_session()->
is_enable_range_extraction_for_not_in(enable_not_in_range_))) {
LOG_WARN("failed to check not in range enabled", K(ret));
} else if (OB_FAIL(query_ctx->get_global_hint().opt_params_.get_bool_opt_param(ObOptParamHint::ENABLE_RANGE_EXTRACTION_FOR_NOT_IN, enable_not_in_range_))) {
LOG_WARN("fail to check opt param not in range enabled", K(ret));
} else if (OB_FAIL(exec_ctx_->get_my_session()->
get_optimizer_features_enable_version(optimizer_features_enable_version_))) {
LOG_WARN("failed to get optimizer features enable version", K(ret));
} else {
column_cnt_ = range_columns.count();
expr_constraints_ = expr_constraints;
params_ = params;
ignore_calc_failure_ = ignore_calc_failure;
expr_factory_ = expr_factory;
session_info_ = exec_ctx_->get_my_session();
max_mem_size_ = exec_ctx_->get_my_session()->get_range_optimizer_max_mem_size();
index_prefix_ = index_prefix;
geo_column_id_map_ = geo_column_id_map;
is_geo_range_ = geo_column_id_map != NULL;
force_no_link_ = force_no_link;
if (OB_NOT_NULL(index_schema) &&
index_schema->is_unique_index() &&
index_schema->get_index_column_num() > 0) {
unique_index_column_num_ = index_schema->get_index_column_num();
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < range_columns.count(); ++i) {
const ColumnItem &col = range_columns.at(i);
if (OB_UNLIKELY(col.is_invalid())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get invalid column item", K(col));
} else if (OB_FAIL(range_column_map_.set_refactored(col.column_id_, i))) {
LOG_WARN("failed to set column map", K(col), K(i));
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < column_flags_.count(); ++i) {
column_flags_.at(i) = 0;
}
return ret;
}
void ObPreRangeGraph::reset()
{
table_id_ = OB_INVALID_ID;
column_count_ = 0;
range_size_ = 0;
node_count_ = 0;
node_head_ = nullptr;
is_standard_range_ = false;
is_precise_get_ = false;
is_equal_range_ = false;
is_get_ = false;
contain_exec_param_ = false;
column_metas_.reset();
range_map_.expr_final_infos_.reset();
range_map_.in_params_.reset();
skip_scan_offset_ = -1;
range_exprs_.reset();
ss_range_exprs_.reset();
unprecise_range_exprs_.reset();
total_range_sizes_.reset();
flags_ = 0;
}
int ObPreRangeGraph::deep_copy(const ObPreRangeGraph &other)
{
int ret = OB_SUCCESS;
table_id_ = other.table_id_;
column_count_ = other.column_count_;
range_size_ = other.range_size_;
node_count_ = other.node_count_;
is_standard_range_ = other.is_standard_range_;
is_precise_get_ = other.is_precise_get_;
is_equal_range_ = other.is_equal_range_;
is_get_ = other.is_get_;
contain_exec_param_ = other.contain_exec_param_;
skip_scan_offset_ = other.skip_scan_offset_;
flags_ = other.flags_;
if (OB_FAIL(range_exprs_.assign(other.range_exprs_))) {
LOG_WARN("failed to assign range exprs");
} else if (OB_FAIL(ss_range_exprs_.assign(other.ss_range_exprs_))) {
LOG_WARN("failed to assign ss range exprs");
} else if (OB_FAIL(unprecise_range_exprs_.assign(other.unprecise_range_exprs_))) {
LOG_WARN("failed to assign unprecise range exprs");
} else if (OB_FAIL(total_range_sizes_.assign(other.total_range_sizes_))) {
LOG_WARN("failed to assign total range sizes");
} else if (OB_FAIL(fast_final_pos_arr_.assign(other.fast_final_pos_arr_))) {
LOG_WARN("failed to assign fast final pos arrary");
} else if (OB_FAIL(deep_copy_range_graph(other.node_head_))) {
LOG_WARN("failed to deep copy range graph");
} else if (OB_FAIL(deep_copy_column_metas(other.column_metas_))) {
LOG_WARN("failed to deep copy column metas");
} else if (OB_FAIL(deep_copy_range_map(other.range_map_))) {
LOG_WARN("failed to deep copy range map");
}
return ret;
}
int ObPreRangeGraph::deep_copy_range_graph(ObRangeNode *src_node)
{
int ret = OB_SUCCESS;
ObSEArray<ObRangeNode*, 16> range_nodes;
ObSEArray<std::pair<int64_t, int64_t>, 16> ptr_pairs;
if (src_node == nullptr) {
// do nothing
} else if (OB_FAIL(inner_deep_copy_range_graph(src_node, range_nodes, ptr_pairs))) {
LOG_WARN("failed to inner deep copy range graph");
} else if (OB_UNLIKELY(range_nodes.count() != node_count_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpected range node count", K(node_count_), K(range_nodes.count()));
} else {
for (int64_t i = 0; i < node_count_; ++i) {
std::pair<int64_t, int64_t> &ptr_pair = ptr_pairs.at(i);
range_nodes.at(i)->and_next_ = (-1 == ptr_pair.first) ? nullptr : range_nodes.at(ptr_pair.first);
range_nodes.at(i)->or_next_ = (-1 == ptr_pair.second) ? nullptr : range_nodes.at(ptr_pair.second);
}
node_head_ = node_count_ > 0 ? range_nodes.at(0) : nullptr;
}
return ret;
}
int ObPreRangeGraph::inner_deep_copy_range_graph(ObRangeNode *range_node,
ObIArray<ObRangeNode*> &range_nodes,
ObIArray<std::pair<int64_t, int64_t>> &ptr_pairs)
{
int ret = OB_SUCCESS;
for (ObRangeNode *cur_node = range_node; OB_SUCC(ret) && cur_node != nullptr; cur_node = cur_node->or_next_) {
int64_t and_next_id = (nullptr == cur_node->and_next_) ? -1 : cur_node->and_next_->node_id_;
int64_t or_next_id = (nullptr == cur_node->or_next_) ? -1 : cur_node->or_next_->node_id_;
ObRangeNode *new_node = static_cast<ObRangeNode *>(allocator_.alloc(sizeof(ObRangeNode)));
if (OB_ISNULL(new_node)) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("failed to allocate memory for range node");
} else {
new_node = new(new_node)ObRangeNode(allocator_);
if (OB_FAIL(new_node->deep_copy(*cur_node))) {
LOG_WARN("failed to deep copy range node");
} else if (OB_FAIL(range_nodes.push_back(new_node))) {
LOG_WARN("failed to push back range node");
} else if (OB_FAIL(ptr_pairs.push_back(std::pair<int64_t, int64_t>(and_next_id, or_next_id)))) {
LOG_WARN("failed to push back and/or next id");
}
}
/**
* Node id is generated by dfs algorithm. So if node id of and_next smaller than node id
* of current node, and next node must have been copied.
*
* node(0) -- node(1) -- node(2)
* | /
* node(3) -- node(4) /
*/
if OB_SUCC(ret) {
if (cur_node->and_next_ != nullptr && cur_node->and_next_->node_id_ > cur_node->node_id_) {
if (OB_FAIL(SMART_CALL(inner_deep_copy_range_graph(cur_node->and_next_, range_nodes, ptr_pairs)))) {
LOG_WARN("failed to inner deep copy range graph");
}
}
}
}
return ret;
}
int ObPreRangeGraph::deep_copy_column_metas(const ObIArray<ObRangeColumnMeta*> &src_metas)
{
int ret = OB_SUCCESS;
column_metas_.reset();
int64_t count = src_metas.count();
if (OB_FAIL(column_metas_.prepare_allocate(count))) {
LOG_WARN("failed to prepare allocate column meta", K(count));
}
for (int64_t i = 0; OB_SUCC(ret) && i < count; ++i) {
const ObRangeColumnMeta *src_meta = src_metas.at(i);
ObRangeColumnMeta *column_meta = nullptr;
void *ptr = allocator_.alloc(sizeof(ObRangeColumnMeta));
if (OB_ISNULL(src_meta)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get null column meta");
} else if (OB_ISNULL(ptr)) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("failed to allocate memeory for ObRangeColumnMeta");
} else {
column_meta = new(ptr)ObRangeColumnMeta();
column_meta->column_type_ = src_meta->column_type_;
column_metas_.at(i) = column_meta;
}
}
return ret;
}
int ObPreRangeGraph::deep_copy_range_map(const ObRangeMap &src_range_map)
{
int ret = OB_SUCCESS;
range_map_.expr_final_infos_.reset();
int64_t count = src_range_map.expr_final_infos_.count();
if (OB_FAIL(range_map_.expr_final_infos_.prepare_allocate(count))) {
LOG_WARN("failed to prepare allocate expr final info", K(count));
}
for (int64_t i = 0; OB_SUCC(ret) && i < count; ++i) {
range_map_.expr_final_infos_.at(i).flags_ = src_range_map.expr_final_infos_.at(i).flags_;
if (range_map_.expr_final_infos_.at(i).is_param_) {
range_map_.expr_final_infos_.at(i).param_idx_ = src_range_map.expr_final_infos_.at(i).param_idx_;
} else if (range_map_.expr_final_infos_.at(i).is_const_) {
ObObj *obj_val = nullptr;
void *ptr = allocator_.alloc(sizeof(ObObj));
if (OB_ISNULL(src_range_map.expr_final_infos_.at(i).const_val_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get null const val");
} else if (OB_ISNULL(ptr)) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("failed to allocate memeory for ObObj");
} else {
obj_val = new(ptr)ObObj();
if (OB_FAIL(ob_write_obj(allocator_, *src_range_map.expr_final_infos_.at(i).const_val_, *obj_val))) {
LOG_WARN("failed to write obj", KPC(src_range_map.expr_final_infos_.at(i).const_val_));
} else {
range_map_.expr_final_infos_.at(i).const_val_ = obj_val;
}
}
} else if (range_map_.expr_final_infos_.at(i).is_expr_) {
ObTempExpr *temp_expr = nullptr;
if (OB_ISNULL(src_range_map.expr_final_infos_.at(i).temp_expr_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get null temp expr");
} else if (OB_FAIL(src_range_map.expr_final_infos_.at(i).temp_expr_->deep_copy(allocator_, temp_expr))) {
LOG_WARN("faield to deep copy temp expr");
} else {
range_map_.expr_final_infos_.at(i).temp_expr_ = temp_expr;
}
}
}
if (OB_SUCC(ret)) {
count = src_range_map.in_params_.count();
if (OB_FAIL(range_map_.in_params_.prepare_allocate(count))) {
LOG_WARN("failed to init array", K(ret));
}
for (int64_t i = 0; OB_SUCC(ret) && i < count; ++i) {
InParam* param = nullptr;
void *ptr = allocator_.alloc(sizeof(InParam));
if (OB_ISNULL(src_range_map.in_params_.at(i))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get null in param");
} else if (OB_ISNULL(ptr)) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("failed to allocate memeory for in param");
} else {
param = new(ptr)InParam(allocator_);
if (OB_FAIL(param->assign(*src_range_map.in_params_.at(i)))) {
LOG_WARN("failed to assign in param");
} else {
range_map_.in_params_.at(i) = param;
}
}
}
}
return ret;
}
int ObPreRangeGraph::preliminary_extract_query_range(const ObIArray<ColumnItem> &range_columns,
const ObIArray<ObRawExpr*> &root_exprs,
ObExecContext *exec_ctx,
ExprConstrantArray *expr_constraints,
const ParamStore *params,
const bool ignore_calc_failure,
const int64_t index_prefix /* =-1*/,
const ObTableSchema *index_schema /* = NULL*/,
const ColumnIdInfoMap *geo_column_id_map /* = NULL*/)
{
int ret = OB_SUCCESS;
bool force_no_link = false;
ObQueryRangeCtx ctx(exec_ctx);
ObRawExprFactory expr_factory(allocator_);
if (OB_ISNULL(exec_ctx)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get unexpeced null", K(ret), K(exec_ctx));
} else if (OB_FAIL(fill_column_metas(range_columns))) {
LOG_WARN("failed to fill column metas");
} else if (OB_FAIL(ctx.init(this, range_columns, expr_constraints,
params, &expr_factory, ignore_calc_failure, index_prefix,
geo_column_id_map, force_no_link, index_schema))) {
LOG_WARN("failed to init query range context");
} else {
ObExprRangeConverter converter(allocator_, ctx);
ObRangeGraphGenerator graph_generator(allocator_, ctx, this, range_columns.count());
if (OB_FAIL(graph_generator.generate_range_graph(root_exprs, converter))) {
LOG_WARN("failed to generate range graph");
} else {
LOG_TRACE("succeed to preliminary extract query range",
KPC(this), K(range_columns), K(root_exprs));
}
}
return ret;
}
int ObPreRangeGraph::get_tablet_ranges(common::ObIAllocator &allocator,
ObExecContext &exec_ctx,
ObQueryRangeArray &ranges,
bool &all_single_value_ranges,
const common::ObDataTypeCastParams &dtc_params) const
{
int ret = OB_SUCCESS;
ObMbrFilterArray mbr_filter;
ObRangeGenerator range_generator(allocator, exec_ctx, this, ranges, all_single_value_ranges, dtc_params, mbr_filter);
if (OB_FAIL(range_generator.generate_ranges())) {
LOG_WARN("failed to generate ranges");
}
return ret;
}
int ObPreRangeGraph::get_tablet_ranges(ObQueryRangeArray &ranges,
bool &all_single_value_ranges,
const common::ObDataTypeCastParams &dtc_params)
{
int ret = OB_NOT_SUPPORTED;
LOG_WARN("new qeury range not support this interface");
return ret;
}
int ObPreRangeGraph::get_tablet_ranges(common::ObIAllocator &allocator,
ObExecContext &exec_ctx,
ObQueryRangeArray &ranges,
bool &all_single_value_ranges,
const common::ObDataTypeCastParams &dtc_params,
ObIArray<common::ObSpatialMBR> &mbr_filters) const
{
int ret = OB_SUCCESS;
ObRangeGenerator range_generator(allocator, exec_ctx, this, ranges, all_single_value_ranges, dtc_params, mbr_filters);
if (OB_FAIL(range_generator.generate_ranges())) {
LOG_WARN("failed to generate ranges");
}
return ret;
}
int ObPreRangeGraph::get_ss_tablet_ranges(common::ObIAllocator &allocator,
ObExecContext &exec_ctx,
ObQueryRangeArray &ss_ranges,
const common::ObDataTypeCastParams &dtc_params) const
{
int ret = OB_SUCCESS;
ObMbrFilterArray mbr_filter;
ss_ranges.reuse();
if (!is_ss_range()) {
// do nothing
} else {
bool dummy_all_single_value = false;
ObRangeGenerator range_generator(allocator, exec_ctx, this, ss_ranges, dummy_all_single_value, dtc_params, mbr_filter);
if (OB_FAIL(range_generator.generate_ss_ranges())) {
LOG_WARN("failed to generate ranges");
} else {
LOG_DEBUG("get skip range success", K(ss_ranges));
}
}
return ret;
}
int ObPreRangeGraph::get_fast_nlj_tablet_ranges(ObFastFinalNLJRangeCtx &fast_nlj_range_ctx,
common::ObIAllocator &allocator,
ObExecContext &exec_ctx,
const ParamStore ¶m_store,
int64_t range_buffer_idx,
void *range_buffer,
ObQueryRangeArray &ranges,
const common::ObDataTypeCastParams &dtc_params) const
{
int ret = OB_SUCCESS;
if (fast_nlj_range_) {
if (OB_UNLIKELY(!fast_nlj_range_ctx.has_check_valid_)) {
if (OB_FAIL(ObRangeGenerator::check_can_final_fast_nlj_range(*this,
param_store,
fast_nlj_range_ctx.is_valid_))) {
LOG_WARN("failed to check can final fast nlj range", K(ret));
}
fast_nlj_range_ctx.has_check_valid_ = true;
}
if (OB_FAIL(ret)) {
} else if (OB_LIKELY(fast_nlj_range_ctx.is_valid_)) {
if (OB_FAIL(ObRangeGenerator::generate_fast_nlj_range(*this,
param_store,
allocator,
range_buffer))) {
LOG_WARN("failed to generate fast nlj range", K(ret));
} else if (OB_FAIL(ranges.push_back(static_cast<ObNewRange*>(range_buffer)))) {
LOG_WARN("failed to push back array", K(ret));
}
} else {
bool dummy_all_single_value_ranges = false;
if (OB_FAIL(get_tablet_ranges(allocator,
exec_ctx,
ranges,
dummy_all_single_value_ranges,
dtc_params))) {
LOG_WARN("failed to get tablet ranges", K(ret));
}
}
} else if (general_nlj_range_) {
ObArray<ObObj> objs;
bool can_fast_extract = true;
bool dummy_all_single_value_ranges = false;
bool always_false = false;
bool always_true = false;
bool need_check_range = false;
ObQueryRangeArray check_ranges;
if (OB_UNLIKELY(!fast_nlj_range_ctx.has_check_valid_)) {
if (OB_FAIL(get_tablet_ranges(allocator,
exec_ctx,
ranges,
dummy_all_single_value_ranges,
dtc_params))) {
LOG_WARN("failed to get tablet ranges", K(ret));
} else if (ranges.count() == 1 &&
OB_FAIL(ObRangeGenerator::check_range_type(ranges.at(0), always_true, always_false))) {
LOG_WARN("failed to check false range", K(ret), K(ranges));
} else if (always_true) {
fast_nlj_range_ctx.has_check_valid_ = true;
fast_nlj_range_ctx.is_valid_ = false;
} else if (always_false) {
// do nothing
} else if (OB_FAIL(ObRangeGenerator::check_can_fast_extract_nlj_range(allocator,
exec_ctx,
dtc_params,
*this,
objs,
always_false,
can_fast_extract))) {
LOG_WARN("failed to check can fast extract nlj range", K(ret));
} else if (!can_fast_extract) {
fast_nlj_range_ctx.has_check_valid_ = true;
fast_nlj_range_ctx.is_valid_ = false;
} else if (OB_FAIL(fast_nlj_range_ctx.init_first_ranges(column_count_,
range_buffer_idx,
ranges))) {
LOG_WARN("failed to init first ranges", K(ret));
} else {
fast_nlj_range_ctx.has_check_valid_ = true;
fast_nlj_range_ctx.is_valid_ = true;
}
} else if (!fast_nlj_range_ctx.is_valid_) {
if (OB_FAIL(get_tablet_ranges(allocator,
exec_ctx,
ranges,
dummy_all_single_value_ranges,
dtc_params))) {
LOG_WARN("failed to get tablet ranges", K(ret));
}
} else if (OB_FAIL(ObRangeGenerator::check_can_fast_extract_nlj_range(allocator,
exec_ctx,
dtc_params,
*this,
objs,
always_false,
can_fast_extract))) {
LOG_WARN("failed to check can fast extract nlj range", K(ret));
} else if (!can_fast_extract) {
if (OB_FAIL(get_tablet_ranges(allocator,
exec_ctx,
ranges,
dummy_all_single_value_ranges,
dtc_params))) {
LOG_WARN("failed to get tablet ranges", K(ret));
} else {
fast_nlj_range_ctx.is_valid_ = false;
}
} else if (always_false) {
need_check_range = true;
} else if (OB_FAIL(ObRangeGenerator::fill_general_nlj_range(fast_nlj_range_ctx,
*this,
objs,
range_buffer_idx,
always_false,
ranges))) {
LOG_WARN("failed to fill general nlj range", K(ret));
} else {
need_check_range = true;
}
if (OB_SUCC(ret) && always_false) {
ranges.reuse();
ObNewRange *range = static_cast<ObNewRange*>(range_buffer);
ObObj *starts = reinterpret_cast<ObObj*>(static_cast<char*>(range_buffer) + sizeof(ObNewRange));
ObObj *ends = starts + column_count_;
for (int i = 0; OB_SUCC(ret) && i < column_count_; ++i) {
starts[i].set_max_value();
ends[i].set_min_value();
}
range->start_key_.assign(starts, column_count_);
range->end_key_.assign(ends, column_count_);
range->table_id_ = get_table_id();
if (OB_FAIL(ranges.push_back(range))) {
LOG_WARN("failed to push back ranges", K(ret));
}
}
if (OB_SUCC(ret) && ERRSIM_FAST_NLJ_RANGE_GENERATOR_CHECK && need_check_range) {
if (OB_FAIL(get_tablet_ranges(allocator,
exec_ctx,
check_ranges,
dummy_all_single_value_ranges,
dtc_params))) {
LOG_WARN("failed to get tablet ranges", K(ret));
} else if (check_ranges.count() != ranges.count()) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("check and find error ranges", K(objs), K(ranges), K(check_ranges));
} else {
for (int64_t i = 0; OB_SUCC(ret) && i < ranges.count(); ++i) {
if (!ranges.at(i)->equal(*check_ranges.at(i))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("check and find error ranges", K(objs), K(ranges), K(check_ranges));
}
}
}
}
}
return ret;
}
int ObPreRangeGraph::fill_column_metas(const ObIArray<ColumnItem> &range_columns)
{
int ret = OB_SUCCESS;
column_count_ = range_columns.count();
if (OB_FAIL(column_metas_.init(column_count_))) {
LOG_WARN("failed to init fixed array", K(column_count_));
}
for (int64_t i = 0; OB_SUCC(ret) && i < column_count_; ++i) {
const ObColumnRefRawExpr *column_expr = range_columns.at(i).expr_;
void *ptr = NULL;
if (OB_ISNULL(column_expr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get null expr");
} else if (OB_ISNULL(ptr = allocator_.alloc(sizeof(ObRangeColumnMeta)))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("failed to allocate memeory for ObRangeColumnMeta");
} else {
ObRangeColumnMeta *column_meta = new(ptr)ObRangeColumnMeta(column_expr->get_result_type());
if (OB_FAIL(column_metas_.push_back(column_meta))) {
LOG_WARN("failed to push back column meta");
}
}
if (OB_SUCC(ret)) {
if (i == 0) {
table_id_ = column_expr->get_table_id();
} else if (OB_UNLIKELY(column_expr->get_table_id() != table_id_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("range columns should belong to same table", K(range_columns));
}
}
}
return ret;
}
int ObPreRangeGraph::get_prefix_info(int64_t &equal_prefix_count,
int64_t &range_prefix_count,
bool &contain_always_false) const
{
int ret = OB_SUCCESS;
equal_prefix_count = OB_USER_MAX_ROWKEY_COLUMN_NUMBER;
range_prefix_count = 0;
if (OB_ISNULL(node_head_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get null range node");
} else if (node_head_->always_true_ || node_head_->always_false_) {
equal_prefix_count = 0;
range_prefix_count = 0;
contain_always_false = node_head_->always_false_;
} else {
bool equals[column_count_];
bool extract_ranges[column_count_];
MEMSET(equals, 0, sizeof(bool) * column_count_);
MEMSET(extract_ranges, 0, sizeof(bool) * column_count_);
if (OB_FAIL(get_prefix_info(node_head_, equals, extract_ranges, equal_prefix_count, range_prefix_count))) {
LOG_WARN("failed to get prefix info");
}
}
return ret;
}
int ObPreRangeGraph::get_prefix_info(const ObRangeNode *range_node,
bool* equals,
bool* extract_ranges,
int64_t &equal_prefix_count,
int64_t &range_prefix_count) const
{
int ret = OB_SUCCESS;
ObSEArray<int64_t, 8> new_equal_idx;
ObSEArray<int64_t, 8> new_range_idx;
for (const ObRangeNode *cur_node = range_node; OB_SUCC(ret) && cur_node != NULL; cur_node = cur_node->or_next_) {
if (cur_node->min_offset_ >= 0 &&
OB_FAIL(get_new_equal_idx(cur_node, equals, new_equal_idx))) {
LOG_WARN("failed to get new idx");
} else if (cur_node->min_offset_ >= 0 &&
OB_FAIL(get_new_range_idx(cur_node, extract_ranges, new_range_idx))) {
LOG_WARN("failed to get new idx");
} else if (cur_node->and_next_ != nullptr) {
if (OB_FAIL(SMART_CALL(get_prefix_info(cur_node->and_next_, equals, extract_ranges,
equal_prefix_count, range_prefix_count)))) {
LOG_WARN("failed to check is strict equal graph");
}
} else {
int64_t cur_pos = 0;
int64_t tmp_range_prefix_count = 0;
for (; cur_pos < column_count_; ++cur_pos, ++tmp_range_prefix_count) {
if (!equals[cur_pos]) {
if (extract_ranges[cur_pos]) {
++tmp_range_prefix_count;
}
break;
}
}
equal_prefix_count = std::min(equal_prefix_count, cur_pos);
range_prefix_count = std::max(range_prefix_count, tmp_range_prefix_count);
}
// reset flag in current range node
for (int64_t j = 0; j < new_equal_idx.count(); ++j) {
equals[new_equal_idx.at(j)] = false;
}
new_equal_idx.reuse();
for (int64_t j = 0; j < new_range_idx.count(); ++j) {
extract_ranges[new_range_idx.at(j)] = false;
}
new_range_idx.reuse();
}
return ret;
}
int ObPreRangeGraph::get_new_equal_idx(const ObRangeNode *range_node,
bool* equals,
ObIArray<int64_t> &new_idx) const
{
int ret = OB_SUCCESS;
for (int64_t i = range_node->min_offset_; OB_SUCC(ret) && i <= range_node->max_offset_; ++i) {
if (!equals[i] && range_node->start_keys_[i] == range_node->end_keys_[i] &&
(range_node->start_keys_[i] < OB_RANGE_EXTEND_VALUE || range_node->start_keys_[i] == OB_RANGE_NULL_VALUE)) {
equals[i] = true;
if (OB_FAIL(new_idx.push_back(i))) {
LOG_WARN("failed to push back idx", K(i));
}
}
}