MySQL 8.4.3
Source Code Documentation
item_pfs_func.h
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23
24#ifndef ITEM_PFS_FUNC_INCLUDED
25#define ITEM_PFS_FUNC_INCLUDED
26
27/* Function items used by mysql */
28
29#include "my_inttypes.h"
30#include "sql/item_func.h"
31#include "sql/item_strfunc.h"
32#include "sql/parse_location.h" // POS
33#include "sql_string.h"
34
35class Item;
36class THD;
37struct Parse_context;
38
39/** ps_current_thread_id() */
40
44
45 public:
47 : Item_int_func(pos), m_thread_id(0) {}
48 bool do_itemize(Parse_context *pc, Item **res) override;
49 const char *func_name() const override { return "ps_current_thread_id"; }
50 bool resolve_type(THD *) override;
51 bool fix_fields(THD *thd, Item **ref) override;
52 longlong val_int() override;
53};
54
55/** ps_thread_id() */
56
60
61 public:
63 : Item_int_func(pos, a), m_thread_id(0) {}
64 bool do_itemize(Parse_context *pc, Item **res) override;
65 const char *func_name() const override { return "ps_thread_id"; }
66 bool resolve_type(THD *) override;
67 longlong val_int() override;
68};
69
70/** format_bytes() */
71
76
77 public:
78 Item_func_pfs_format_bytes(const POS &pos, Item *a) : Item_str_func(pos, a) {}
79 const char *func_name() const override { return "format_bytes"; }
80 bool resolve_type(THD *) override;
81 String *val_str(String *str) override;
82};
83
84/** format_pico_time() */
85
90
91 public:
93 : Item_str_func(pos, a) {}
94 const char *func_name() const override { return "format_pico_time"; }
95 bool resolve_type(THD *) override;
96 String *val_str(String *str) override;
97};
98
99#endif /* ITEM_PFS_FUNC_INCLUDED */
ps_current_thread_id()
Definition: item_pfs_func.h:41
Item_int_func super
Definition: item_pfs_func.h:42
bool resolve_type(THD *) override
Resolve type-related information for this item, such as result field type, maximum size,...
Definition: item_pfs_func.cc:62
bool do_itemize(Parse_context *pc, Item **res) override
ps_current_thread_id()
Definition: item_pfs_func.cc:54
bool fix_fields(THD *thd, Item **ref) override
Definition: item_pfs_func.cc:68
const char * func_name() const override
Definition: item_pfs_func.h:49
ulonglong m_thread_id
Definition: item_pfs_func.h:43
longlong val_int() override
Definition: item_pfs_func.cc:74
Item_func_pfs_current_thread_id(const POS &pos)
Definition: item_pfs_func.h:46
format_bytes()
Definition: item_pfs_func.h:72
Item_func_pfs_format_bytes(const POS &pos, Item *a)
Definition: item_pfs_func.h:78
String * val_str(String *str) override
Definition: item_pfs_func.cc:166
bool resolve_type(THD *) override
format_bytes()
Definition: item_pfs_func.cc:158
String m_value
Definition: item_pfs_func.h:74
const char * func_name() const override
Definition: item_pfs_func.h:79
Item_str_func super
Definition: item_pfs_func.h:73
char m_value_buffer[20]
Definition: item_pfs_func.h:75
format_pico_time()
Definition: item_pfs_func.h:86
const char * func_name() const override
Definition: item_pfs_func.h:94
char m_value_buffer[20]
Definition: item_pfs_func.h:89
String m_value
Definition: item_pfs_func.h:88
String * val_str(String *str) override
Definition: item_pfs_func.cc:239
Item_str_func super
Definition: item_pfs_func.h:87
Item_func_pfs_format_pico_time(const POS &pos, Item *a)
Definition: item_pfs_func.h:92
bool resolve_type(THD *) override
format_pico_time()
Definition: item_pfs_func.cc:230
ps_thread_id()
Definition: item_pfs_func.h:57
bool resolve_type(THD *) override
Resolve type-related information for this item, such as result field type, maximum size,...
Definition: item_pfs_func.cc:103
bool do_itemize(Parse_context *pc, Item **res) override
ps_thread_id()
Definition: item_pfs_func.cc:96
longlong val_int() override
Definition: item_pfs_func.cc:111
const char * func_name() const override
Definition: item_pfs_func.h:65
Item_func_pfs_thread_id(const POS &pos, Item *a)
Definition: item_pfs_func.h:62
ulonglong m_thread_id
Definition: item_pfs_func.h:59
Item_int_func super
Definition: item_pfs_func.h:58
Definition: item_func.h:983
Definition: item_strfunc.h:76
Base class that is used to represent any kind of expression in a relational query.
Definition: item.h:936
Using this class is fraught with peril, and you need to be very careful when doing so.
Definition: sql_string.h:167
For each client connection we create a separate thread with THD serving as a thread/connection descri...
Definition: sql_lexer_thd.h:36
Some integer typedefs for easier portability.
unsigned long long int ulonglong
Definition: my_inttypes.h:56
long long int longlong
Definition: my_inttypes.h:55
std::string str(const mysqlrouter::ConfigGenerator::Options::Endpoint &ep)
Definition: config_generator.cc:1081
PT & ref(PT *tp)
Definition: tablespace_impl.cc:359
Our own string classes, used pervasively throughout the executor.
Bison "location" class.
Definition: parse_location.h:43
Environment data for the contextualization phase.
Definition: parse_tree_node_base.h:420