MySQL 8.0.29
Source Code Documentation
item_pfs_func.h
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22
23#ifndef ITEM_PFS_FUNC_INCLUDED
24#define ITEM_PFS_FUNC_INCLUDED
25
26/* Function items used by mysql */
27
28#include "my_inttypes.h"
29#include "sql/item_func.h"
30#include "sql/item_strfunc.h"
31#include "sql/parse_location.h" // POS
32#include "sql_string.h"
33
34class Item;
35class THD;
36struct Parse_context;
37
38/** ps_current_thread_id() */
39
43
44 public:
47 bool itemize(Parse_context *pc, Item **res) override;
48 const char *func_name() const override { return "ps_current_thread_id"; }
49 bool resolve_type(THD *) override;
50 bool fix_fields(THD *thd, Item **ref) override;
51 longlong val_int() override;
52};
53
54/** ps_thread_id() */
55
59
60 public:
62 : Item_int_func(pos, a), m_thread_id(0) {}
63 bool itemize(Parse_context *pc, Item **res) override;
64 const char *func_name() const override { return "ps_thread_id"; }
65 bool resolve_type(THD *) override;
66 longlong val_int() override;
67};
68
69/** format_bytes() */
70
75
76 public:
78 const char *func_name() const override { return "format_bytes"; }
79 bool resolve_type(THD *) override;
80 String *val_str(String *str) override;
81};
82
83/** format_pico_time() */
84
89
90 public:
92 : Item_str_func(pos, a) {}
93 const char *func_name() const override { return "format_pico_time"; }
94 bool resolve_type(THD *) override;
95 String *val_str(String *str) override;
96};
97
98#endif /* ITEM_PFS_FUNC_INCLUDED */
ps_current_thread_id()
Definition: item_pfs_func.h:40
Item_int_func super
Definition: item_pfs_func.h:41
bool resolve_type(THD *) override
Resolve type-related information for this item, such as result field type, maximum size,...
Definition: item_pfs_func.cc:61
bool fix_fields(THD *thd, Item **ref) override
Definition: item_pfs_func.cc:67
const char * func_name() const override
Definition: item_pfs_func.h:48
ulonglong m_thread_id
Definition: item_pfs_func.h:42
longlong val_int() override
Definition: item_pfs_func.cc:73
bool itemize(Parse_context *pc, Item **res) override
ps_current_thread_id()
Definition: item_pfs_func.cc:54
Item_func_pfs_current_thread_id(const POS &pos)
Definition: item_pfs_func.h:45
format_bytes()
Definition: item_pfs_func.h:71
Item_func_pfs_format_bytes(const POS &pos, Item *a)
Definition: item_pfs_func.h:77
String * val_str(String *str) override
Definition: item_pfs_func.cc:161
bool resolve_type(THD *) override
format_bytes()
Definition: item_pfs_func.cc:155
String m_value
Definition: item_pfs_func.h:73
const char * func_name() const override
Definition: item_pfs_func.h:78
Item_str_func super
Definition: item_pfs_func.h:72
char m_value_buffer[20]
Definition: item_pfs_func.h:74
format_pico_time()
Definition: item_pfs_func.h:85
const char * func_name() const override
Definition: item_pfs_func.h:93
char m_value_buffer[20]
Definition: item_pfs_func.h:88
String m_value
Definition: item_pfs_func.h:87
String * val_str(String *str) override
Definition: item_pfs_func.cc:232
Item_str_func super
Definition: item_pfs_func.h:86
Item_func_pfs_format_pico_time(const POS &pos, Item *a)
Definition: item_pfs_func.h:91
bool resolve_type(THD *) override
format_pico_time()
Definition: item_pfs_func.cc:225
ps_thread_id()
Definition: item_pfs_func.h:56
bool resolve_type(THD *) override
Resolve type-related information for this item, such as result field type, maximum size,...
Definition: item_pfs_func.cc:102
longlong val_int() override
Definition: item_pfs_func.cc:108
const char * func_name() const override
Definition: item_pfs_func.h:64
Item_func_pfs_thread_id(const POS &pos, Item *a)
Definition: item_pfs_func.h:61
bool itemize(Parse_context *pc, Item **res) override
ps_thread_id()
Definition: item_pfs_func.cc:95
ulonglong m_thread_id
Definition: item_pfs_func.h:58
Item_int_func super
Definition: item_pfs_func.h:57
Definition: item_func.h:895
Definition: item_strfunc.h:75
Base class that is used to represent any kind of expression in a relational query.
Definition: item.h:802
Using this class is fraught with peril, and you need to be very careful when doing so.
Definition: sql_string.h:166
For each client connection we create a separate thread with THD serving as a thread/connection descri...
Definition: sql_class.h:945
char * pos
Definition: do_ctype.cc:76
Some integer typedefs for easier portability.
unsigned long long int ulonglong
Definition: my_inttypes.h:55
long long int longlong
Definition: my_inttypes.h:54
std::string str(const mysqlrouter::ConfigGenerator::Options::Endpoint &ep)
Definition: config_generator.cc:1055
PT & ref(PT *tp)
Definition: tablespace_impl.cc:358
Our own string classes, used pervasively throughout the executor.
Environment data for the contextualization phase.
Definition: parse_tree_node_base.h:90
Bison "location" class.
Definition: parse_location.h:42