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ob_table_location.cpp
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ob_table_location.cpp
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/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#define USING_LOG_PREFIX SQL_OPT
#include "common/sql_mode/ob_sql_mode_utils.h"
#include "share/ob_i_data_access_service.h"
#include "share/schema/ob_part_mgr_util.h"
#include "sql/ob_sql_define.h"
#include "sql/optimizer/ob_table_location.h"
#include "sql/ob_sql_utils.h"
#include "sql/ob_sql_trans_control.h"
#include "sql/resolver/dml/ob_update_stmt.h"
#include "sql/resolver/dml/ob_insert_stmt.h"
#include "sql/resolver/dml/ob_delete_resolver.h"
#include "sql/rewrite/ob_query_range_provider.h"
#include "share/part/ob_part_mgr_ad.h"
#include "sql/code_generator/ob_code_generator_impl.h"
#include "sql/code_generator/ob_expr_generator_impl.h"
#include "sql/engine/expr/ob_sql_expression.h"
#include "sql/engine/expr/ob_expr_func_part_hash.h"
#include "sql/engine/expr/ob_expr_column_conv.h"
#include "storage/ob_dml_param.h"
#include "storage/ob_partition_service.h"
#include "sql/engine/expr/ob_expr_result_type_util.h"
#include "sql/ob_sql_mock_schema_utils.h"
using namespace oceanbase::transaction;
using namespace oceanbase::sql;
using namespace oceanbase::common;
using namespace oceanbase::share;
using namespace oceanbase::share::schema;
static int get_part_id_by_mod(const int64_t calc_result, const int64_t part_num, int64_t& part_id)
{
int ret = OB_SUCCESS;
if (calc_result < 0 || 0 == part_num) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("Input arguments is invalid", K(calc_result), K(part_num), K(ret));
} else {
part_id = calc_result % part_num;
}
return ret;
}
static bool is_all_ranges_empty(const ObQueryRangeArray& query_array, bool& is_empty)
{
int ret = OB_SUCCESS;
is_empty = true;
for (int i = 0; is_empty && OB_SUCCESS == ret && i < query_array.count(); i++) {
if (NULL == query_array.at(i)) {
ret = OB_ERR_UNEXPECTED;
} else if (!query_array.at(i)->empty()) {
is_empty = false;
}
}
return ret;
}
bool ObListPartMapKey::operator==(const ObListPartMapKey& other) const
{
return row_ == other.row_;
}
int64_t ObListPartMapKey::hash() const
{
int64_t hash_value = 0;
for (int64_t i = 0; i < row_.get_count(); i++) {
hash_value = row_.get_cell(i).hash(hash_value);
}
return hash_value;
}
bool ObHashPartMapKey::operator==(const ObHashPartMapKey& other) const
{
return part_idx_ == other.part_idx_;
}
int64_t ObHashPartMapKey::hash() const
{
int64_t hash_value = 0;
ObObj idx_obj(part_idx_);
hash_value = idx_obj.hash(hash_value);
return hash_value;
}
bool TableLocationKey::operator==(const TableLocationKey& other) const
{
return table_id_ == other.table_id_ && ref_table_id_ == other.ref_table_id_;
}
bool TableLocationKey::operator!=(const TableLocationKey& other) const
{
return !(*this == other);
}
int ObTableLocation::PartProjector::init_part_projector(
const ObRawExpr* part_expr, ObPartitionLevel part_level, RowDesc& row_desc)
{
int ret = OB_SUCCESS;
if (PARTITION_LEVEL_ONE == part_level) {
ret = init_part_projector(part_expr, row_desc);
} else if (PARTITION_LEVEL_TWO == part_level) {
ret = init_subpart_projector(part_expr, row_desc);
} else { /*do nothing*/
}
return ret;
}
int ObTableLocation::PartProjector::init_part_projector(const ObRawExpr* part_expr, RowDesc& row_desc)
{
return init_part_projector(part_expr, row_desc, part_projector_, part_projector_size_);
}
int ObTableLocation::PartProjector::init_subpart_projector(const ObRawExpr* part_expr, RowDesc& row_desc)
{
return init_part_projector(part_expr, row_desc, subpart_projector_, subpart_projector_size_);
}
int ObTableLocation::PartProjector::init_part_projector(
const ObRawExpr* part_expr, RowDesc& row_desc, int32_t*& projector, int64_t& projector_size)
{
int ret = OB_SUCCESS;
ObSEArray<ObRawExpr*, 4> part_columns;
if (OB_FAIL(ObRawExprUtils::extract_column_exprs(part_expr, part_columns))) {
LOG_WARN("extract column exprs failed", K(ret));
} else {
projector_size = part_columns.count();
if (OB_ISNULL(projector = static_cast<int32_t*>(allocator_.alloc(projector_size * sizeof(int64_t))))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("allocate memory failed", K(projector_size));
}
for (int64_t i = 0; OB_SUCC(ret) && i < projector_size; ++i) {
int64_t idx = OB_INVALID_INDEX;
const ObRawExpr* part_column = part_columns.at(i);
if (OB_ISNULL(part_column)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("part column is null");
} else if (OB_UNLIKELY(!part_column->is_column_ref_expr())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("part column isn't column reference", K(ret), K(*part_column));
} else if (OB_FAIL(row_desc.get_idx(part_column, idx)) && OB_ENTRY_NOT_EXIST != ret) {
LOG_WARN("get idx failed", K(ret));
} else if (OB_ENTRY_NOT_EXIST == ret) {
ret = OB_SUCCESS;
const ObColumnRefRawExpr* col_ref = static_cast<const ObColumnRefRawExpr*>(part_column);
ObColumnExpression* virtual_col = NULL;
if (OB_UNLIKELY(!col_ref->is_generated_column())) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("column reference isn't generated column", K(ret), K(*col_ref));
} else if (OB_FAIL(ObExprGeneratorImpl::gen_expression_with_row_desc(
sql_expr_factory_, expr_op_factory_, row_desc, col_ref->get_dependant_expr(), virtual_col))) {
LOG_WARN("generate expression with row desc failed", K(ret), K(*col_ref), K(row_desc));
} else {
virtual_col->set_result_index(row_desc.get_column_num());
if (OB_FAIL(row_desc.add_column(const_cast<ObRawExpr*>(part_column)))) {
LOG_WARN("add part column to row desc failed", K(ret));
} else if (OB_FAIL(ObSqlExpressionUtil::add_expr_to_list(virtual_column_exprs_, virtual_col))) {
LOG_WARN("add virtual column expr failed", K(ret));
}
}
}
if (OB_SUCC(ret)) {
if (OB_FAIL(row_desc.get_idx(part_column, idx))) {
LOG_WARN("part_column isn't invalid", K(ret), K(*part_column));
} else {
projector[i] = static_cast<int32_t>(idx);
}
}
}
}
return ret;
}
int ObTableLocation::PartProjector::calc_part_row(
const stmt::StmtType& stmt_type, ObExecContext& ctx, const ObNewRow& input_row, ObNewRow*& part_row) const
{
int ret = OB_SUCCESS;
ObNewRow& cur_part_row = ctx.get_part_row_manager().get_part_row();
if (virtual_column_exprs_.get_size() <= 0) {
cur_part_row.cells_ = input_row.cells_;
cur_part_row.count_ = column_cnt_;
} else {
cur_part_row.count_ = column_cnt_;
ObExprCtx expr_ctx;
if (OB_FAIL(ObSQLUtils::wrap_expr_ctx(stmt_type, ctx, ctx.get_allocator(), expr_ctx))) {
LOG_WARN("wrap expr ctx failed", K(ret));
} else if (OB_ISNULL(cur_part_row.cells_)) {
int64_t row_size = sizeof(ObObj) * column_cnt_;
cur_part_row.cells_ = static_cast<ObObj*>(ctx.get_allocator().alloc(row_size));
if (OB_ISNULL(cur_part_row.cells_)) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("allocate memory for current part row failed", K(ret), K(row_size));
}
}
if (OB_SUCC(ret)) {
int64_t copy_row_size = (column_cnt_ - virtual_column_exprs_.get_size()) * sizeof(ObObj);
memcpy(cur_part_row.cells_, input_row.cells_, copy_row_size);
}
DLIST_FOREACH(node, virtual_column_exprs_)
{
const ObColumnExpression* virtual_col = static_cast<const ObColumnExpression*>(node);
if (OB_FAIL(virtual_col->calc_and_project(expr_ctx, cur_part_row))) {
LOG_WARN("calc and project part row failed", K(ret));
}
}
}
if (OB_SUCC(ret)) {
part_row = &cur_part_row;
}
return ret;
}
void ObTableLocation::PartProjector::project_part_row(ObPartitionLevel part_level, ObNewRow& part_row) const
{
int32_t* projector = NULL;
int64_t projector_size = 0;
if (part_level == PARTITION_LEVEL_ONE) {
projector = part_projector_;
projector_size = part_projector_size_;
} else if (part_level == PARTITION_LEVEL_TWO) {
projector = subpart_projector_;
projector_size = subpart_projector_size_;
} else { /*do nothing*/
}
part_row.projector_ = projector;
part_row.projector_size_ = projector_size;
}
int ObTableLocation::PartProjector::deep_copy(const PartProjector& other)
{
int ret = OB_SUCCESS;
void* ptr = NULL;
int64_t buf_len = 0;
part_projector_size_ = other.part_projector_size_;
subpart_projector_size_ = other.subpart_projector_size_;
column_cnt_ = other.column_cnt_;
if (other.part_projector_ != NULL) {
buf_len = sizeof(int32_t) * other.part_projector_size_;
if (OB_ISNULL(ptr = allocator_.alloc(buf_len))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("allocate projector buffer failed", K(buf_len), K_(part_projector));
} else {
part_projector_ = static_cast<int32_t*>(ptr);
memcpy(part_projector_, other.part_projector_, buf_len);
}
}
if (OB_SUCC(ret) && other.subpart_projector_ != NULL) {
buf_len = sizeof(int32_t) * other.subpart_projector_size_;
if (OB_ISNULL(ptr = allocator_.alloc(buf_len))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("allocate subpart projector buffer failed", K(buf_len), K_(subpart_projector_size));
} else {
subpart_projector_ = static_cast<int32_t*>(ptr);
memcpy(subpart_projector_, other.subpart_projector_, buf_len);
}
}
DLIST_FOREACH(node, other.virtual_column_exprs_)
{
ObColumnExpression* virtual_col = NULL;
const ObColumnExpression* other_col = static_cast<const ObColumnExpression*>(node);
if (OB_FAIL(sql_expr_factory_.alloc(virtual_col)) || OB_ISNULL(virtual_col)) {
ret = COVER_SUCC(OB_ERR_UNEXPECTED);
LOG_WARN("alloc virtual column failed", K(ret));
} else if (OB_FAIL(virtual_col->assign(*other_col))) {
LOG_WARN("assign virtual column failed", K(ret));
} else if (OB_FAIL(ObSqlExpressionUtil::add_expr_to_list(virtual_column_exprs_, virtual_col))) {
LOG_WARN("add expr to list failed", K(ret));
}
}
return ret;
}
OB_DEF_SERIALIZE(ObTableLocation::PartProjector)
{
int ret = OB_SUCCESS;
OB_UNIS_ENCODE_ARRAY(part_projector_, part_projector_size_);
OB_UNIS_ENCODE_ARRAY(subpart_projector_, subpart_projector_size_);
OB_UNIS_ENCODE(column_cnt_);
if (OB_SUCC(ret)) {
if (OB_FAIL(serialize_dlist(virtual_column_exprs_, buf, buf_len, pos))) {
LOG_WARN("serialize virtual column expr list failed", K(ret), K(buf_len), K(pos));
}
}
return ret;
}
OB_DEF_SERIALIZE_SIZE(ObTableLocation::PartProjector)
{
int64_t len = 0;
OB_UNIS_ADD_LEN_ARRAY(part_projector_, part_projector_size_);
OB_UNIS_ADD_LEN_ARRAY(subpart_projector_, subpart_projector_size_);
OB_UNIS_ADD_LEN(column_cnt_);
len += get_dlist_serialize_size(virtual_column_exprs_);
return len;
}
OB_DEF_DESERIALIZE(ObTableLocation::PartProjector)
{
int ret = OB_SUCCESS;
void* ptr = NULL;
int64_t vir_col_size = 0;
OB_UNIS_DECODE(part_projector_size_);
if (OB_SUCC(ret) && part_projector_size_ > 0) {
int64_t buf_len = sizeof(int32_t) * part_projector_size_;
if (OB_ISNULL(ptr = allocator_.alloc(buf_len))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("allocate projector buffer failed", K(buf_len), K_(part_projector));
} else {
part_projector_ = static_cast<int32_t*>(ptr);
OB_UNIS_DECODE_ARRAY(part_projector_, part_projector_size_);
}
}
OB_UNIS_DECODE(subpart_projector_size_);
if (OB_SUCC(ret) && subpart_projector_size_ > 0) {
int64_t buf_len = sizeof(int32_t) * subpart_projector_size_;
if (OB_ISNULL(ptr = allocator_.alloc(buf_len))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("allocate projector buffer failed", K(buf_len), K_(subpart_projector));
} else {
subpart_projector_ = static_cast<int32_t*>(ptr);
OB_UNIS_DECODE_ARRAY(subpart_projector_, subpart_projector_size_);
}
}
OB_UNIS_DECODE(column_cnt_);
OB_UNIS_DECODE(vir_col_size);
for (int64_t i = 0; OB_SUCC(ret) && i < vir_col_size; ++i) {
ObColumnExpression* virtual_column = NULL;
if (OB_FAIL(sql_expr_factory_.alloc(virtual_column))) {
LOG_WARN("allocate virtual column failed", K(ret), K(i));
}
OB_UNIS_DECODE(*virtual_column);
if (OB_SUCC(ret) && OB_FAIL(ObSqlExpressionUtil::add_expr_to_list(virtual_column_exprs_, virtual_column))) {
LOG_WARN("add expr to virtual column expr list failed", K(ret));
}
}
return ret;
}
ObPartLocCalcNode* ObPartLocCalcNode::create_part_calc_node(
ObIAllocator& allocator, ObIArray<ObPartLocCalcNode*>& calc_nodes, ObPartLocCalcNode::NodeType type)
{
void* ptr = NULL;
ObPartLocCalcNode* ret_node = NULL;
switch (type) {
case ObPartLocCalcNode::QUERY_RANGE: {
ptr = allocator.alloc(sizeof(ObPLQueryRangeNode));
if (NULL != ptr) {
ret_node = new (ptr) ObPLQueryRangeNode(allocator);
}
break;
}
case ObPartLocCalcNode::FUNC_VALUE: {
ptr = allocator.alloc(sizeof(ObPLFuncValueNode));
if (NULL != ptr) {
ret_node = new (ptr) ObPLFuncValueNode(allocator);
}
break;
}
case ObPartLocCalcNode::COLUMN_VALUE: {
ptr = allocator.alloc(sizeof(ObPLColumnValueNode));
if (NULL != ptr) {
ret_node = new (ptr) ObPLColumnValueNode(allocator);
}
break;
}
case ObPartLocCalcNode::CALC_AND: {
ptr = allocator.alloc(sizeof(ObPLAndNode));
if (NULL != ptr) {
ret_node = new (ptr) ObPLAndNode(allocator);
}
break;
}
case ObPartLocCalcNode::CALC_OR: {
ptr = allocator.alloc(sizeof(ObPLOrNode));
if (NULL != ptr) {
ret_node = new (ptr) ObPLOrNode(allocator);
}
break;
}
default: {
LOG_WARN("Invalid ObPartLocCalcNode type", K(type));
break;
}
}
if (OB_UNLIKELY(NULL == ptr) || OB_UNLIKELY(NULL == ret_node)) {
LOG_WARN("Failed to allocate ObPartLocCalcNode", K(type));
} else if (OB_SUCCESS != calc_nodes.push_back(ret_node)) {
ret_node->~ObPartLocCalcNode();
allocator.free(ret_node);
ret_node = NULL;
LOG_WARN("Store ObPartLocCalcNode failed");
} else {
} // do nothing
return ret_node;
}
int ObPLAndNode::deep_copy(
ObIAllocator& allocator, ObIArray<ObPartLocCalcNode*>& calc_nodes, ObPartLocCalcNode*& other) const
{
int ret = OB_SUCCESS;
if (OB_ISNULL(other = create_part_calc_node(allocator, calc_nodes, CALC_AND))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("Allocate calc node failed", K(ret));
} else {
ObPartLocCalcNode* left_node = NULL;
ObPartLocCalcNode* right_node = NULL;
if (NULL != left_node_ && OB_FAIL(left_node_->deep_copy(allocator, calc_nodes, left_node))) {
LOG_WARN("Failed to deep copy left node", K(ret));
} else if (NULL != right_node_ && OB_FAIL(right_node_->deep_copy(allocator, calc_nodes, right_node))) {
LOG_WARN("Failed todeep copy right node", K(ret));
} else {
ObPLAndNode* and_node = static_cast<ObPLAndNode*>(other);
and_node->left_node_ = left_node;
and_node->right_node_ = right_node;
}
}
return ret;
}
int ObPLOrNode::deep_copy(
ObIAllocator& allocator, ObIArray<ObPartLocCalcNode*>& calc_nodes, ObPartLocCalcNode*& other) const
{
int ret = OB_SUCCESS;
if (OB_ISNULL(other = create_part_calc_node(allocator, calc_nodes, CALC_OR))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("Allocate calc node failed", K(ret));
} else {
ObPartLocCalcNode* left_node = NULL;
ObPartLocCalcNode* right_node = NULL;
if (NULL != left_node_ && OB_FAIL(left_node_->deep_copy(allocator, calc_nodes, left_node))) {
LOG_WARN("Failed to deep copy left node", K(ret));
} else if (NULL != right_node_ && OB_FAIL(right_node_->deep_copy(allocator, calc_nodes, right_node))) {
LOG_WARN("Failed todeep copy right node", K(ret));
} else {
ObPLOrNode* or_node = static_cast<ObPLOrNode*>(other);
or_node->left_node_ = left_node;
or_node->right_node_ = right_node;
}
}
return ret;
}
int ObPLQueryRangeNode::deep_copy(
ObIAllocator& allocator, ObIArray<ObPartLocCalcNode*>& calc_nodes, ObPartLocCalcNode*& other) const
{
int ret = OB_SUCCESS;
if (OB_ISNULL(other = create_part_calc_node(allocator, calc_nodes, QUERY_RANGE))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("Allocate calc node failed", K(ret));
} else {
ObPLQueryRangeNode* qr_node = static_cast<ObPLQueryRangeNode*>(other);
if (OB_FAIL(qr_node->pre_query_range_.deep_copy(pre_query_range_))) {
LOG_WARN("Failed to deep copy pre query range", K(ret));
}
}
return ret;
}
int ObPLFuncValueNode::deep_copy(
ObIAllocator& allocator, ObIArray<ObPartLocCalcNode*>& calc_nodes, ObPartLocCalcNode*& other) const
{
int ret = OB_SUCCESS;
if (OB_ISNULL(other = create_part_calc_node(allocator, calc_nodes, FUNC_VALUE))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("Allocate calc node failed", K(ret));
} else {
ObPLFuncValueNode* func_node = static_cast<ObPLFuncValueNode*>(other);
func_node->res_type_ = res_type_;
func_node->param_idx_ = param_idx_;
if (OB_FAIL(deep_copy_obj(allocator, value_, func_node->value_))) {
LOG_WARN("Failed to deep copy value", K(ret));
} else {
ObIArray<ParamValuePair>& param_values = func_node->param_value_;
for (int64_t idx = 0; OB_SUCC(ret) && idx < param_value_.count(); ++idx) {
ObObj dst;
const ParamValuePair& value_pair = param_value_.at(idx);
if (OB_FAIL(deep_copy_obj(allocator, value_pair.obj_value_, dst))) {
LOG_WARN("Failed to deep copy obj", K(ret));
} else if (OB_FAIL(param_values.push_back(ParamValuePair(value_pair.param_idx_, dst)))) {
LOG_WARN("Failed to add ParamValuePair", K(ret));
} else {
}
}
}
}
return ret;
}
int ObPLColumnValueNode::deep_copy(
ObIAllocator& allocator, ObIArray<ObPartLocCalcNode*>& calc_nodes, ObPartLocCalcNode*& other) const
{
int ret = OB_SUCCESS;
if (OB_ISNULL(other = create_part_calc_node(allocator, calc_nodes, COLUMN_VALUE))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("Allocate calc node failed", K(ret));
} else {
ObPLColumnValueNode* column_node = static_cast<ObPLColumnValueNode*>(other);
column_node->res_type_ = res_type_;
column_node->param_idx_ = param_idx_;
if (OB_FAIL(deep_copy_obj(allocator, value_, column_node->value_))) {
LOG_WARN("Failed to deep copy obj", K(ret));
}
}
return ret;
}
int ObTableLocation::add_range_part_schema(const ObTableSchema& table_schema)
{
int ret = OB_SUCCESS;
void* ptr1 = NULL;
void* ptr2 = NULL;
use_range_part_opt_ = true;
partition_num_ = table_schema.get_partition_num();
ObPartition** part_array = table_schema.get_part_array();
if (partition_num_ <= 0) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("partition number should not greater than 0", K(ret), K(partition_num_));
} else {
if (OB_ISNULL(ptr1 = allocator_.alloc(sizeof(ObObj) * partition_num_))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("failed to allocate memory", K(ret), K(partition_num_));
} else if (OB_ISNULL(ptr2 = allocator_.alloc(sizeof(int64_t) * partition_num_))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("failed to allocate memory", K(ret), K(partition_num_));
} else {
range_obj_arr_ = new (ptr1) ObObj[partition_num_]();
range_part_id_arr_ = static_cast<int64_t*>(ptr2);
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < table_schema.get_partition_num(); i++) {
ObPartition* part = part_array[i];
if (OB_ISNULL(part)) {
ret = OB_SCHEMA_ERROR;
LOG_WARN("get invalid partiton array", K(ret), K(i), K(partition_num_));
} else if (part->get_high_bound_val().get_obj_cnt() != 1) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("high bound val should have one obj", K(ret), K(part->get_high_bound_val().get_obj_cnt()));
} else if (OB_FAIL(ob_write_obj(allocator_, part->get_high_bound_val().get_obj_ptr()[0], range_obj_arr_[i]))) {
LOG_WARN("failed to write obj", K(ret), K(i));
} else {
range_part_id_arr_[i] = part->get_part_id();
}
LOG_TRACE("add range part",
K(partition_num_),
K(i),
K(part->get_high_bound_val()),
K(range_obj_arr_[i]),
K(range_part_id_arr_[i]));
}
return ret;
}
int ObTableLocation::get_part_id_from_part_idx(int64_t part_idx, int64_t& part_id) const
{
int ret = OB_SUCCESS;
ObHashPartMapKey key;
ObHashPartMapValue* value = NULL;
key.part_idx_ = part_idx;
part_id = part_idx;
if (0 == hash_part_array_.count()) {
part_id = part_idx;
} else {
ret = hash_part_map_.get_refactored(key, value);
if (OB_FAIL(ret)) {
LOG_WARN("fail to get_refactored", K(ret));
} else {
part_id = value->part_id_;
}
}
return ret;
}
int ObTableLocation::add_part_idx_to_part_id_map(const ObTableSchema& table_schema)
{
int ret = OB_SUCCESS;
ObPartition** part_array = table_schema.get_part_array();
for (int64_t i = 0; OB_SUCC(ret) && i < table_schema.get_partition_num(); i++) {
if (OB_ISNULL(part_array[i])) {
ret = OB_SCHEMA_ERROR;
LOG_WARN("get invalid partiton array", K(ret), K(i));
} else {
ObHashPartMapValue value;
value.part_id_ = part_array[i]->get_part_id();
if (-1 == part_array[i]->get_part_idx()) {
value.key_.part_idx_ = i;
} else {
value.key_.part_idx_ = part_array[i]->get_part_idx();
}
if (value.part_id_ != value.key_.part_idx_) {
if (OB_FAIL(hash_part_array_.push_back(value))) {
LOG_WARN("fail to push back value", K(ret));
}
LOG_TRACE("add new part idx->part id item", K(ret), K(value.part_id_), K(value.key_.part_idx_));
}
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < hash_part_array_.count(); i++) {
if (OB_FAIL(hash_part_map_.set_refactored(hash_part_array_.at(i).key_, &hash_part_array_.at(i)))) {
LOG_WARN("fail to set value", K(ret));
}
}
return ret;
}
int ObTableLocation::add_hash_part_schema(const ObTableSchema& table_schema)
{
int ret = OB_SUCCESS;
use_hash_part_opt_ = true;
first_part_num_ = table_schema.get_first_part_num();
if (OB_FAIL(add_part_idx_to_part_id_map(table_schema))) {
LOG_WARN("failed to add part idx to part id map", K(ret));
} else if (UNKNOWN_FAST_CALC == fast_calc_part_opt_) {
fast_calc_part_opt_ = CAN_FAST_CALC;
if (OB_FAIL(init_fast_calc_info())) {
LOG_WARN("fail to init fast calc info, ignore error", K(ret));
ret = OB_SUCCESS;
fast_calc_part_opt_ = CANNOT_FAST_CALC;
}
}
return ret;
}
int ObTableLocation::add_list_part_schema(const ObTableSchema& table_schema, const ObTimeZoneInfo* tz_info)
{
int ret = OB_SUCCESS;
use_list_part_map_ = true;
ObPartition** part_array = table_schema.get_part_array();
LOG_TRACE("begin add_list_part_schema", K(table_schema), K(ret));
const common::ObPartitionKeyInfo& part_key_info = table_schema.get_partition_key_info();
const ObRowkeyColumn* column = NULL;
for (int64_t i = 0; OB_SUCC(ret) && i < table_schema.get_partition_num(); i++) {
ObPartition* part = part_array[i];
for (int64_t j = 0; OB_SUCC(ret) && j < part->get_list_row_values().count(); j++) {
ObListPartMapValue value;
value.part_id_ = part->get_part_id();
const common::ObNewRow& tmp_row = part->get_list_row_values().at(j);
if (lib::is_oracle_mode() && part_key_info.contain_timestamp_ltz_column()) {
if (OB_FAIL(
ob_write_row_with_cast_timestamp_ltz(allocator_, tmp_row, value.key_.row_, part_key_info, tz_info))) {
LOG_WARN("fail to write row", K(ret));
}
} else {
if (OB_FAIL(ob_write_row(allocator_, tmp_row, value.key_.row_))) {
LOG_WARN("fail to write row", K(ret));
}
}
if (OB_SUCC(ret)) {
if (value.key_.row_.get_count() == 1 && value.key_.row_.get_cell(0).is_max_value()) {
list_default_part_id_ = value.part_id_;
} else {
if (OB_FAIL(list_part_array_.push_back(value))) {
LOG_WARN("fail to push back value", K(ret));
} else {
LOG_TRACE("succ to push_back list_part_array", K(i), K(value), K(ret));
}
}
}
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < list_part_array_.count(); i++) {
if (OB_FAIL(list_part_map_.set_refactored(list_part_array_.at(i).key_, &list_part_array_.at(i)))) {
LOG_WARN("fail to set value", K(ret));
}
}
if (OB_SUCC(ret)) {
if (0 == list_part_array_.count() && OB_FAIL(list_part_map_.init())) {
LOG_WARN("fail to init list_part_map_", K(ret));
} else if (UNKNOWN_FAST_CALC == fast_calc_part_opt_) {
fast_calc_part_opt_ = CAN_FAST_CALC;
if (OB_FAIL(init_fast_calc_info())) {
LOG_WARN("fail to init fast calc info, ignore error", K(ret));
ret = OB_SUCCESS;
fast_calc_part_opt_ = CANNOT_FAST_CALC;
}
}
}
return ret;
}
int ObTableLocation::init_fast_calc_info()
{
int ret = OB_SUCCESS;
bool insert_or_replace = is_simple_insert_or_replace();
if (insert_or_replace) {
if (1 != key_exprs_.count() || OB_ISNULL(key_exprs_.at(0)) || 1 != key_exprs_.at(0)->get_expr_items().count() ||
1 != key_conv_exprs_.count() || OB_ISNULL(key_conv_exprs_.at(0)) ||
6 != key_conv_exprs_.at(0)->get_expr_items().count()) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN(
"param is not expected as judge can do fast optimizaion", K(key_exprs_.count()), K(key_conv_exprs_.count()));
} else {
const ObPostExprItem& key_item = key_exprs_.at(0)->get_expr_items().at(0);
const ObPostExprItem& key_cvt_item = key_conv_exprs_.at(0)->get_expr_items().at(5);
if (T_QUESTIONMARK == key_item.get_item_type()) {
const ObObj* obj = NULL;
int64_t param_idx = -1;
if (OB_FAIL(key_item.get_obj().get_unknown(param_idx))) {
LOG_WARN("fail to get unknown", K(ret), K(key_item.get_obj()));
} else if (OB_FAIL(part_expr_param_idxs_.push_back(param_idx))) {
LOG_WARN("fail to init parat expr param idx", K(ret));
}
}
}
} else {
const ObPLQueryRangeNode* calc_node2 = static_cast<const ObPLQueryRangeNode*>(calc_node_);
if (OB_ISNULL(calc_node2) || OB_ISNULL(calc_node2->pre_query_range_.get_table_grapth().key_part_head_) ||
OB_ISNULL(calc_node2->pre_query_range_.get_table_grapth().key_part_head_->normal_keypart_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("unexpected null ptr", K(ret), K(calc_node2));
} else {
const ObQueryRange& query_range = calc_node2->pre_query_range_;
ObObj result = query_range.get_table_grapth().key_part_head_->normal_keypart_->start_;
if (result.is_unknown()) {
int64_t param_idx = -1;
if (OB_FAIL(result.get_unknown(param_idx))) {
LOG_WARN("fail to get unknown", K(ret), K(result));
} else if (OB_FAIL(part_expr_param_idxs_.push_back(param_idx))) {
LOG_WARN("fail to init parat expr param idx", K(ret));
}
}
}
}
return ret;
}
int ObTableLocation::ob_write_row_with_cast_timestamp_ltz(common::ObIAllocator& allocator, const ObNewRow& src,
ObNewRow& dst, const common::ObPartitionKeyInfo& part_key_info, const common::ObTimeZoneInfo* tz_info)
{
int ret = OB_SUCCESS;
void* ptr1 = NULL;
void* ptr2 = NULL;
if (src.count_ <= 0) {
dst.count_ = src.count_;
dst.cells_ = NULL;
dst.projector_size_ = 0;
dst.projector_ = NULL;
} else if (OB_UNLIKELY(part_key_info.get_size() != src.count_)) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("part_key_info's size is not equal to ObNewRow",
"size1",
part_key_info.get_size(),
"size2",
src.count_,
K(part_key_info),
K(src),
K(ret));
} else if (OB_ISNULL(ptr1 = allocator.alloc(sizeof(ObObj) * src.count_))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("out of memory");
} else if (NULL != src.projector_ && OB_ISNULL(ptr2 = allocator.alloc(sizeof(int32_t) * src.projector_size_))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_ERROR("out of memory");
} else {
if (NULL != src.projector_) {
MEMCPY(ptr2, src.projector_, sizeof(int32_t) * src.projector_size_);
}
ObObj* objs = new (ptr1) ObObj[src.count_]();
const ObRowkeyColumn* tmp_column = NULL;
for (int64_t i = 0; OB_SUCC(ret) && i < src.count_; ++i) {
const ObObj& cell = src.cells_[i];
if (OB_ISNULL(tmp_column = part_key_info.get_column(i))) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("get_column failed", K(part_key_info), K(i), K(ret));
} else if (tmp_column->get_meta_type().is_timestamp_ltz() && cell.is_timestamp_tz()) {
ObOTimestampData tmp_otd;
if (OB_FAIL(ObTimeConverter::otimestamp_to_otimestamp(
ObTimestampTZType, cell.get_otimestamp_value(), tz_info, ObTimestampLTZType, tmp_otd))) {
LOG_WARN("failed to otimestamp_to_otimestamp", KPC(tz_info), K(cell), K(ret));
} else {
objs[i].set_otimestamp_value(ObTimestampLTZType, tmp_otd);
}
} else {
if (OB_FAIL(ob_write_obj(allocator, src.cells_[i], objs[i]))) {
_OB_LOG(WARN, "copy ObObj error, row=%s, i=%ld, ret=%d", to_cstring(src.cells_[i]), i, ret);
}
}
}
if (OB_SUCC(ret)) {
dst.count_ = src.count_;
dst.cells_ = objs;
dst.projector_size_ = src.projector_size_;
dst.projector_ = (NULL != src.projector_) ? static_cast<int32_t*>(ptr2) : NULL;
}
}
if (OB_FAIL(ret)) {
if (NULL != ptr1) {
allocator.free(ptr1);
ptr1 = NULL;
}
if (NULL != ptr2) {
allocator.free(ptr2);
ptr2 = NULL;
}
}
return ret;
}
int ObTableLocation::get_location_type(const common::ObAddr& server,
const ObPhyPartitionLocationInfoIArray& phy_part_loc_info_list, ObTableLocationType& location_type)
{
int ret = OB_SUCCESS;
location_type = OB_TBL_LOCATION_UNINITIALIZED;
if (0 == phy_part_loc_info_list.count()) {
location_type = OB_TBL_LOCATION_LOCAL;
} else if (1 == phy_part_loc_info_list.count()) {
share::ObReplicaLocation replica_location;
if (OB_FAIL(phy_part_loc_info_list.at(0).get_selected_replica(replica_location))) {
LOG_WARN("fail to get selected replica", K(phy_part_loc_info_list.at(0)));
} else if (!replica_location.is_valid()) {
ret = OB_ERR_UNEXPECTED;
LOG_ERROR("replica location is invalid", K(ret), K(replica_location));
} else {
location_type = ((server == replica_location.server_) ? OB_TBL_LOCATION_LOCAL : OB_TBL_LOCATION_REMOTE);
}
} else {
location_type = OB_TBL_LOCATION_DISTRIBUTED;
}
return ret;
}
int ObTableLocation::get_vt_partition_id(
ObExecContext& exec_ctx, const uint64_t ref_table_id, ObIArray<int64_t>* partition_ids, int64_t* fake_id)
{
int ret = OB_SUCCESS;
ObTaskExecutorCtx* task_exec_ctx = exec_ctx.get_task_executor_ctx();
share::ObIPartitionLocationCache* partition_location_cache = NULL;
ObSEArray<ObPartitionLocation, 8> part_location_list;
const int64_t expire_renew_time = 0;
bool is_cache_hit = false;
if (NULL == task_exec_ctx) {
ret = OB_NOT_INIT;
LOG_WARN("Task exec context should not be NULL", K(ret));
} else if (!is_virtual_table(ref_table_id)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("Get virtual table partition, ref_table_id should be virtual table", K(ret));
} else if (NULL == (partition_location_cache = task_exec_ctx->get_partition_location_cache())) {
ret = OB_NOT_INIT;
LOG_WARN("partition_location_cache not inited", K(ret));
} else if (OB_FAIL(
partition_location_cache->get(ref_table_id, part_location_list, expire_renew_time, is_cache_hit))) {
LOG_WARN("fail get virtual_table location", K(ref_table_id));
} else {
common::ObAddr self_addr = exec_ctx.get_addr();
common::ObAddr addr;
bool find_local = false;
ObPartitionLocation partition_location;
for (int64_t i = 0; OB_SUCC(ret) && i < part_location_list.count(); i++) {
int64_t partition_id = 0;
if (OB_FAIL(part_location_list.at(i, partition_location))) {
LOG_WARN("fail to get partition location", K(part_location_list), K(i));
} else if (partition_location.get_replica_locations().count() != 1) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("virtual table replication count must be 1", K(partition_location.get_partition_cnt()));
} else {
addr = partition_location.get_replica_locations().at(0).server_;
if (OB_FAIL(task_exec_ctx->calc_virtual_partition_id(ref_table_id, addr, partition_id))) {
LOG_WARN("Failed to calc virtual partition id", K(addr), K(ret));
} else if (OB_INVALID_PARTITION_ID == partition_id) {
// ignore invalid partition id
} else if (NULL != partition_ids && OB_FAIL(partition_ids->push_back(partition_id))) {
LOG_WARN("Push partition id to partition ids error", "partition id", partition_id, K(ret));
} else if (NULL != fake_id && !find_local) {
*fake_id = partition_id;
if (addr == self_addr) {
find_local = true;
if (NULL == partition_ids) {
break;
}
}
} else {
// do nothing
}
}
} // end of for
}
if (OB_SUCCESS == ret && NULL != partition_ids && 0 == partition_ids->count()) {
ret = OB_ERR_UNEXPECTED;
LOG_USER_ERROR(OB_ERR_UNEXPECTED, "No server servers the virtual table");
}
return ret;
}
ObTableLocation::ObTableLocation(const ObTableLocation& other)
: inner_allocator_(ObModIds::OB_SQL_TABLE_LOCATION),
allocator_(inner_allocator_),
calc_node_(NULL),
gen_col_node_(NULL),
subcalc_node_(NULL),
sub_gen_col_node_(NULL),
sql_expression_factory_(allocator_),
expr_op_factory_(allocator_),
part_expr_(NULL),
gen_col_expr_(NULL),
subpart_expr_(NULL),
sub_gen_col_expr_(NULL),
first_partition_id_(-1),
part_projector_(inner_allocator_, sql_expression_factory_, expr_op_factory_),
range_obj_arr_(NULL),
range_part_id_arr_(NULL)
{
*this = other;
}
ObTableLocation& ObTableLocation::operator=(const ObTableLocation& other)
{
int ret = OB_SUCCESS;
if (this != &other) {
reset();
inited_ = other.inited_;
table_id_ = other.table_id_;
ref_table_id_ = other.ref_table_id_;
is_partitioned_ = other.is_partitioned_;
part_level_ = other.part_level_;
part_type_ = other.part_type_;
subpart_type_ = other.subpart_type_;
part_get_all_ = other.part_get_all_;
subpart_get_all_ = other.subpart_get_all_;
is_col_part_expr_ = other.is_col_part_expr_;
is_col_subpart_expr_ = other.is_col_subpart_expr_;
is_oracle_temp_table_ = other.is_oracle_temp_table_;
tablet_size_ = other.tablet_size_;
index_table_id_ = other.index_table_id_;
part_col_type_ = other.part_col_type_;
part_collation_type_ = other.part_collation_type_;
subpart_col_type_ = other.subpart_col_type_;
subpart_collation_type_ = other.subpart_collation_type_;
is_in_hit_ = other.is_in_hit_;
first_partition_id_ = other.first_partition_id_;
is_global_index_ = other.is_global_index_;
related_part_expr_idx_ = other.related_part_expr_idx_;
related_subpart_expr_idx_ = other.related_subpart_expr_idx_;
use_list_part_map_ = other.use_list_part_map_;
list_default_part_id_ = other.list_default_part_id_;
use_hash_part_opt_ = other.use_hash_part_opt_;
use_range_part_opt_ = other.use_range_part_opt_;
fast_calc_part_opt_ = other.fast_calc_part_opt_;
duplicate_type_ = other.duplicate_type_;
first_part_num_ = other.first_part_num_;
partition_num_ = other.partition_num_;
part_num_ = other.part_num_;
direction_ = other.direction_;
simple_insert_ = other.simple_insert_;
stmt_type_ = other.stmt_type_;
literal_stmt_type_ = other.literal_stmt_type_;
hint_read_consistency_ = other.hint_read_consistency_;
is_contain_inner_table_ = other.is_contain_inner_table_;
is_contain_select_for_update_ = other.is_contain_select_for_update_;
is_contain_mv_ = other.is_contain_mv_;
use_calc_part_by_rowid_ = other.use_calc_part_by_rowid_;
is_valid_range_columns_part_range_ = other.is_valid_range_columns_part_range_;
is_valid_range_columns_subpart_range_ = other.is_valid_range_columns_subpart_range_;
report_err_for_pruned_partition_not_exist_ = other.report_err_for_pruned_partition_not_exist_;
is_valid_temporal_part_range_ = other.is_valid_temporal_part_range_;
is_valid_temporal_subpart_range_ = other.is_valid_temporal_subpart_range_;
params_ = other.params_;
for (int64_t i = 0; OB_SUCC(ret) && i < other.list_part_array_.count(); i++) {
ObListPartMapValue value;
value.part_id_ = other.list_part_array_.at(i).part_id_;
if (OB_FAIL(ob_write_row(allocator_, other.list_part_array_.at(i).key_.row_, value.key_.row_))) {
LOG_WARN("fail to write row", K(ret));
} else if (OB_FAIL(list_part_array_.push_back(value))) {
LOG_WARN("fail to push back value", K(ret));
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < list_part_array_.count(); i++) {
if (OB_FAIL(list_part_map_.set_refactored(list_part_array_.at(i).key_, &list_part_array_.at(i)))) {
LOG_WARN("fail to set value", K(ret));
}
}
if (OB_SUCC(ret) && use_list_part_map_ && 0 == list_part_array_.count()) {
if (OB_FAIL(list_part_map_.init())) {
LOG_WARN("fail to init list_part_map_", K(ret));
}
LOG_TRACE("init list_part_map for single default value partition", K(ret));
}
for (int64_t i = 0; OB_SUCC(ret) && i < other.hash_part_array_.count(); i++) {
ObHashPartMapValue value;
value.part_id_ = other.hash_part_array_.at(i).part_id_;
if (FALSE_IT(value.key_.part_idx_ = other.hash_part_array_.at(i).key_.part_idx_)) {
} else if (OB_FAIL(hash_part_array_.push_back(value))) {
LOG_WARN("fail to push back value", K(ret));
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < hash_part_array_.count(); i++) {
if (OB_FAIL(hash_part_map_.set_refactored(hash_part_array_.at(i).key_, &hash_part_array_.at(i)))) {
LOG_WARN("fail to set value", K(ret));
}
}
if (OB_SUCC(ret)) {