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patch 4.0

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wangzelin.wzl
2022-10-24 10:34:53 +08:00
parent 4ad6e00ec3
commit 93a1074b0c
10533 changed files with 2588271 additions and 2299373 deletions
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330
src/sql/optimizer/ob_index_info_cache.h
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@ -16,75 +16,43 @@
#include "sql/rewrite/ob_query_range.h"
#include "sql/ob_sql_define.h"
namespace oceanbase {
namespace sql {
namespace oceanbase
{
namespace sql
{
/* 缓存query range的信息 */
class QueryRangeInfo {
public:
QueryRangeInfo()
: is_valid_(false),
contain_always_false_(false),
query_range_(NULL),
ranges_(),
equal_prefix_count_(0),
equal_prefix_null_count_(0),
range_prefix_count_(0),
index_column_count_(0),
range_columns_()
{}
const ObQueryRange* get_query_range() const
QueryRangeInfo() : is_valid_(false),
contain_always_false_(false),
query_range_(NULL),
ranges_(),
equal_prefix_count_(0),
equal_prefix_null_count_(0),
range_prefix_count_(0),
index_column_count_(0),
range_columns_(),
expr_constraints_() {}
const ObQueryRange* get_query_range() const { return query_range_; }
const ObQueryRangeArray& get_ranges() const { return ranges_; }
const common::ObIArray<ColumnItem> &get_range_columns() const { return range_columns_; }
const common::ObIArray<ObExprConstraint> &get_expr_constraints() const
{
return query_range_;
}
const ObQueryRangeArray& get_ranges() const
{
return ranges_;
}
const common::ObIArray<ColumnItem>& get_range_columns() const
{
return range_columns_;
}
uint64_t get_equal_prefix_count() const
{
return equal_prefix_count_;
};
uint64_t get_equal_prefix_null_count() const
{
return equal_prefix_null_count_;
};
uint64_t get_range_prefix_count() const
{
return range_prefix_count_;
};
uint64_t get_index_column_count() const
{
return index_column_count_;
};
bool get_contain_always_false() const
{
return contain_always_false_;
}
ObQueryRangeArray& get_ranges()
{
return ranges_;
}
void set_query_range(ObQueryRange* query_range)
{
query_range_ = query_range;
}
common::ObIArray<ColumnItem>& get_range_columns()
{
return range_columns_;
}
void set_valid()
{
is_valid_ = true;
}
bool is_valid() const
{
return is_valid_;
return expr_constraints_;
}
uint64_t get_equal_prefix_count() const { return equal_prefix_count_; };
uint64_t get_equal_prefix_null_count() const { return equal_prefix_null_count_; };
uint64_t get_range_prefix_count() const { return range_prefix_count_; };
uint64_t get_index_column_count() const { return index_column_count_; };
bool get_contain_always_false() const { return contain_always_false_; }
ObQueryRangeArray& get_ranges() { return ranges_; }
void set_query_range(ObQueryRange *query_range) { query_range_ = query_range; }
common::ObIArray<ColumnItem> &get_range_columns() { return range_columns_; }
common::ObIArray<ObExprConstraint> &get_expr_constraints() { return expr_constraints_; }
void set_valid() { is_valid_ = true; }
bool is_valid() const { return is_valid_; }
bool is_get() const
{
return is_valid_ && (equal_prefix_count_ == range_columns_.count());
@ -102,73 +70,50 @@ public:
return is_valid_ && equal_prefix_null_count_ == equal_prefix_count_;
}
void set_equal_prefix_count(const int64_t equal_prefix_count)
{
equal_prefix_count_ = equal_prefix_count;
}
{ equal_prefix_count_ = equal_prefix_count; }
void set_equal_prefix_null_count(const int64_t equal_prefix_null_count)
{
equal_prefix_null_count_ = equal_prefix_null_count;
}
{ equal_prefix_null_count_ = equal_prefix_null_count; }
void set_range_prefix_count(const int64_t range_prefix_count)
{
range_prefix_count_ = range_prefix_count;
}
{ range_prefix_count_ = range_prefix_count; }
void set_index_column_count(const int64_t index_column_count)
{
index_column_count_ = index_column_count;
};
{ index_column_count_ = index_column_count; };
void set_contain_always_false(const bool contain_always_false)
{
contain_always_false_ = contain_always_false;
}
{ contain_always_false_ = contain_always_false; }
TO_STRING_KV(K_(is_valid), K_(contain_always_false), K_(range_columns), K_(equal_prefix_count),
K_(equal_prefix_null_count), K_(range_prefix_count), K_(index_column_count));
K_(equal_prefix_null_count), K_(range_prefix_count),
K_(index_column_count), K_(expr_constraints));
private:
bool is_valid_;
bool contain_always_false_;
ObQueryRange* query_range_;
ObQueryRange *query_range_;
ObQueryRangeArray ranges_;
int64_t equal_prefix_count_;
int64_t equal_prefix_null_count_;
int64_t range_prefix_count_;
int64_t index_column_count_; // index column count without adding primary key
int64_t index_column_count_; // index column count without adding primary key
common::ObArray<ColumnItem> range_columns_;
common::ObArray<ObExprConstraint> expr_constraints_;
DISALLOW_COPY_AND_ASSIGN(QueryRangeInfo);
};
/* 索引的ordering 信息 */
class OrderingInfo {
public:
OrderingInfo() : scan_direction_(default_asc_direction()), index_keys_(), ordering_()
{}
ObOrderDirection get_scan_direction() const
{
return scan_direction_;
}
const common::ObIArray<ObRawExpr*>& get_index_keys() const
{
return index_keys_;
}
const common::ObIArray<ObRawExpr*>& get_ordering() const
{
return ordering_;
OrderingInfo() :
scan_direction_(default_asc_direction()),
index_keys_(),
ordering_(){
}
ObOrderDirection get_scan_direction() const { return scan_direction_; }
const common::ObIArray<ObRawExpr *> &get_index_keys() const { return index_keys_; }
const common::ObIArray<ObRawExpr *> &get_ordering() const { return ordering_; }
common::ObIArray<ObRawExpr*>& get_index_keys()
{
return index_keys_;
}
common::ObIArray<ObRawExpr*>& get_ordering()
{
return ordering_;
}
void set_scan_direction(const ObOrderDirection direction)
{
scan_direction_ = direction;
}
common::ObIArray<ObRawExpr *> &get_index_keys() { return index_keys_; }
common::ObIArray<ObRawExpr *> &get_ordering() { return ordering_; }
void set_scan_direction(const ObOrderDirection direction) { scan_direction_ = direction; }
TO_STRING_KV(K_(scan_direction), K_(index_keys));
private:
ObOrderDirection scan_direction_;
common::ObArray<ObRawExpr*> index_keys_;
@ -176,93 +121,46 @@ private:
DISALLOW_COPY_AND_ASSIGN(OrderingInfo);
};
// 每个索引作为一个entry
class IndexInfoEntry {
public:
IndexInfoEntry()
: index_id_(common::OB_INVALID_ID),
is_unique_index_(false),
is_index_back_(false),
is_index_global_(false),
range_info_(),
ordering_info_(),
interesting_order_info_(OrderingFlag::NOT_MATCH),
interesting_order_prefix_count_(0)
{}
virtual ~IndexInfoEntry()
{}
QueryRangeInfo& get_range_info()
{
return range_info_;
IndexInfoEntry() :
index_id_(common::OB_INVALID_ID),
is_unique_index_(false),
is_index_back_(false),
is_index_global_(false),
range_info_(),
ordering_info_(),
interesting_order_info_(OrderingFlag::NOT_MATCH),
interesting_order_prefix_count_(0) {
}
const QueryRangeInfo& get_range_info() const
virtual ~IndexInfoEntry() {}
QueryRangeInfo &get_range_info() { return range_info_; }
const QueryRangeInfo &get_range_info() const { return range_info_; }
OrderingInfo &get_ordering_info() { return ordering_info_; }
const OrderingInfo &get_ordering_info() const { return ordering_info_; }
int64_t get_interesting_order_info() const { return interesting_order_info_; }
void set_interesting_order_info(int64_t info) { interesting_order_info_ = info; }
int64_t get_interesting_order_prefix_count() const { return interesting_order_prefix_count_; }
void set_interesting_order_prefix_count(int64_t count) { interesting_order_prefix_count_ = count; }
uint64_t get_index_id() const { return index_id_; }
void set_index_id(const uint64_t index_id) { index_id_ = index_id; }
bool is_unique_index() const { return is_unique_index_; }
bool is_valid_unique_index() const //唯一索引在query range中能否保持唯一
{
return range_info_;
return is_unique_index_
&& !((lib::is_oracle_mode() && range_info_.equal_prefix_all_null())
|| (lib::is_mysql_mode() && (range_info_.equal_prefix_has_null()
|| !range_info_.is_index_column_get())));
}
OrderingInfo& get_ordering_info()
{
return ordering_info_;
}
const OrderingInfo& get_ordering_info() const
{
return ordering_info_;
}
int64_t get_interesting_order_info() const
{
return interesting_order_info_;
}
void set_interesting_order_info(int64_t info)
{
interesting_order_info_ = info;
}
int64_t get_interesting_order_prefix_count() const
{
return interesting_order_prefix_count_;
}
void set_interesting_order_prefix_count(int64_t count)
{
interesting_order_prefix_count_ = count;
}
uint64_t get_index_id() const
{
return index_id_;
}
void set_index_id(const uint64_t index_id)
{
index_id_ = index_id;
}
bool is_unique_index() const
{
return is_unique_index_;
}
bool is_valid_unique_index() const
{
return is_unique_index_ &&
!((lib::is_oracle_mode() && range_info_.equal_prefix_all_null()) ||
(lib::is_mysql_mode() && (range_info_.equal_prefix_has_null() || !range_info_.is_index_column_get())));
}
void set_is_unique_index(const bool is_unique_index)
{
is_unique_index_ = is_unique_index;
}
bool is_index_back() const
{
return is_index_back_;
}
void set_is_index_back(const bool is_index_back)
{
is_index_back_ = is_index_back;
}
bool is_index_global() const
{
return is_index_global_;
}
void set_is_index_global(const bool is_index_global)
{
is_index_global_ = is_index_global;
}
TO_STRING_KV(K_(index_id), K_(is_unique_index), K_(is_index_back), K_(is_index_global), K_(range_info),
K_(ordering_info), K_(interesting_order_info), K_(interesting_order_prefix_count));
void set_is_unique_index(const bool is_unique_index) { is_unique_index_ = is_unique_index; }
bool is_index_back() const { return is_index_back_; }
void set_is_index_back(const bool is_index_back) { is_index_back_ = is_index_back; }
bool is_index_global() const { return is_index_global_; }
void set_is_index_global(const bool is_index_global) { is_index_global_ = is_index_global; }
TO_STRING_KV(K_(index_id), K_(is_unique_index), K_(is_index_back), K_(is_index_global),
K_(range_info), K_(ordering_info), K_(interesting_order_info),
K_(interesting_order_prefix_count));
private:
uint64_t index_id_;
bool is_unique_index_;
@ -270,46 +168,48 @@ private:
bool is_index_global_;
QueryRangeInfo range_info_;
OrderingInfo ordering_info_;
int64_t interesting_order_info_;
int64_t interesting_order_info_; // 记录索引的序在stmt中的哪些地方用到 e.g. join, group by, order by
// 索引序在stmt中使用到的最大前缀数
// idx1(a,b,c), idx2(a,b), 对于order by a,b 两个索引使用到的最大前缀都是2
int64_t interesting_order_prefix_count_;
DISALLOW_COPY_AND_ASSIGN(IndexInfoEntry);
};
class ObIndexInfoCache {
/* 对优化器过程中抽取的query range 做一些缓存，减少计算的次数 */
class ObIndexInfoCache
{
public:
ObIndexInfoCache() : table_id_(common::OB_INVALID_ID), base_table_id_(common::OB_INVALID_ID), entry_count_(0)
ObIndexInfoCache() : table_id_(common::OB_INVALID_ID),
base_table_id_(common::OB_INVALID_ID),
entry_count_(0)
{
MEMSET(index_entrys_, 0, sizeof(index_entrys_));
}
virtual ~ObIndexInfoCache();
int get_query_range(const uint64_t table_id, const uint64_t index_id, const QueryRangeInfo*& query_range_info) const;
int get_access_path_ordering(
const uint64_t table_id, const uint64_t index_id, const OrderingInfo*& ordering_info) const;
int get_index_info_entry(const uint64_t table_id, const uint64_t index_id, IndexInfoEntry*& entry) const;
void set_table_id(const uint64_t table_id)
{
table_id_ = table_id;
}
void set_base_table_id(const uint64_t base_table_id)
{
base_table_id_ = base_table_id;
}
uint64_t get_table_id() const
{
return table_id_;
}
int add_index_info_entry(IndexInfoEntry*);
int get_query_range(const uint64_t table_id,
const uint64_t index_id,
const QueryRangeInfo *&query_range_info) const;
int get_access_path_ordering(const uint64_t table_id,
const uint64_t index_id,
const OrderingInfo *&ordering_info) const;
int get_index_info_entry(const uint64_t table_id,
const uint64_t index_id,
IndexInfoEntry *&entry) const;
void set_table_id(const uint64_t table_id) { table_id_ = table_id; }
void set_base_table_id(const uint64_t base_table_id) { base_table_id_ = base_table_id; }
uint64_t get_table_id() const { return table_id_; }
int add_index_info_entry(IndexInfoEntry *);
TO_STRING_KV(K_(table_id), K_(base_table_id), K_(entry_count));
private:
uint64_t table_id_;
uint64_t base_table_id_;
int64_t entry_count_;
IndexInfoEntry* index_entrys_[common::OB_MAX_INDEX_PER_TABLE + 1]; // including table and index table
IndexInfoEntry *index_entrys_[common::OB_MAX_INDEX_PER_TABLE + 1]; //including table and index table
DISALLOW_COPY_AND_ASSIGN(ObIndexInfoCache);
};
} // end of namespace sql
} // end of namespace oceanbase
} //end of namespace sql
} //end of namespace oceanbase
#endif