MySQL 8.3.0
Source Code Documentation
sql_test.h
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22
23#ifndef SQL_TEST_INCLUDED
24#define SQL_TEST_INCLUDED
25
26#include <sys/types.h>
27
28#include "sql/enum_query_type.h" // enum_query_type
29#include "sql/mem_root_array.h" // Mem_root_array
30#include "sql/sql_lex.h"
31#include "sql/sql_select.h"
32#include "thr_lock.h" // TL_WRITE_ONLY
33
34class Item;
35class JOIN;
36class Table_ref;
37
39
40extern const char *lock_descriptions[TL_WRITE_ONLY + 1];
41
42#ifndef NDEBUG
43void print_where(const THD *thd, const Item *cond, const char *info,
44 enum_query_type query_type);
45void TEST_join(JOIN *join);
46void print_plan(JOIN *join, uint idx, double record_count, double read_time,
47 double current_read_time, const char *info);
49#endif
51
53 const Key_use_array *keyuse_array);
54#endif /* SQL_TEST_INCLUDED */
Base class that is used to represent any kind of expression in a relational query.
Definition: item.h:933
Definition: sql_optimizer.h:132
A per-session context which is always available at any point of execution, because in practice it's a...
Definition: opt_trace_context.h:91
This class represents a query block, aka a query specification, which is a query consisting of a SELE...
Definition: sql_lex.h:1161
For each client connection we create a separate thread with THD serving as a thread/connection descri...
Definition: sql_lexer_thd.h:35
Definition: table.h:2853
Query_block * query_block
Definition: table.h:3691
enum_query_type
Query type constants (usable as bitmap flags).
Definition: enum_query_type.h:30
std::string join(Container cont, const std::string &delim)
join elements of an container into a string separated by a delimiter.
Definition: string.h:150
void print_where(const THD *thd, const Item *cond, const char *info, enum_query_type query_type)
Definition: sql_test.cc:95
Mem_root_array< Key_use > Key_use_array
Definition: sql_test.h:36
const char * lock_descriptions[TL_WRITE_ONLY+1]
Definition: sql_test.cc:78
void TEST_join(JOIN *join)
Definition: sql_test.cc:110
void dump_TABLE_LIST_graph(Query_block *query_block, Table_ref *tl)
void print_plan(JOIN *join, uint idx, double record_count, double read_time, double current_read_time, const char *info)
Print the current state during query optimization.
Definition: sql_test.cc:215
void print_keyuse_array(THD *thd, Opt_trace_context *trace, const Key_use_array *keyuse_array)
Definition: sql_test.cc:161
@ TL_WRITE_ONLY
Definition: thr_lock.h:93