MySQL 8.0.29
Source Code Documentation
sql_cmd_ddl_table.h
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22
23#ifndef SQL_CMD_CREATE_TABLE_INCLUDED
24#define SQL_CMD_CREATE_TABLE_INCLUDED
25
26#include "lex_string.h"
27#include "my_sqlcommand.h"
28#include "sql/sql_cmd_ddl.h"
29
30class Alter_info;
31class THD;
32struct TABLE_LIST;
33
34/**
35 A base class for CREATE/ALTER TABLE commands and friends.
36
37 Child classes deal with SQL statements:
38 * ALTER TABLE
39 * ANALYZE TABLE
40 * CACHE INDEX
41 * CHECK TABLE
42 * CREATE INDEX
43 * CREATE TABLE
44 * DROP INDEX
45 * LOAD INDEX
46 * OPTIMIZE TABLE
47 * REPAIR TABLE
48*/
49class Sql_cmd_ddl_table : public Sql_cmd {
50 public:
51 explicit Sql_cmd_ddl_table(Alter_info *alter_info);
52
53 ~Sql_cmd_ddl_table() override = 0; // force abstract class
54
55 protected:
57};
58
60
62 public:
65 : Sql_cmd_ddl_table(alter_info),
67
70 }
71
73
74 bool execute(THD *thd) override;
75 bool prepare(THD *thd) override;
76
77 private:
79};
80
82 public:
84
85 ~Sql_cmd_create_or_drop_index_base() override = 0; // force abstract class
86
87 bool execute(THD *thd) override;
88};
89
91 default;
92
94 public:
95 using Sql_cmd_create_or_drop_index_base::Sql_cmd_create_or_drop_index_base;
96
99 }
100};
101
103 public:
104 using Sql_cmd_create_or_drop_index_base::Sql_cmd_create_or_drop_index_base;
105
107 return SQLCOM_DROP_INDEX;
108 }
109};
110
112 public:
113 Sql_cmd_cache_index(Alter_info *alter_info, const LEX_CSTRING &key_cache_name)
114 : Sql_cmd_ddl_table(alter_info), m_key_cache_name(key_cache_name) {}
115
118 }
119
120 bool execute(THD *thd) override;
121
122 private:
123 bool assign_to_keycache(THD *thd, TABLE_LIST *tables);
124
125 private:
127};
128
130 public:
132
134 return SQLCOM_PRELOAD_KEYS;
135 }
136
137 bool execute(THD *thd) override;
138
139 private:
140 bool preload_keys(THD *thd, TABLE_LIST *tables);
141};
142
143#endif /* SQL_CMD_CREATE_TABLE_INCLUDED */
Data describing the table being created by CREATE TABLE or altered by ALTER TABLE.
Definition: sql_alter.h:204
Definition: sql_cmd_ddl_table.h:111
enum_sql_command sql_command_code() const override
Return the command code for this statement.
Definition: sql_cmd_ddl_table.h:116
bool execute(THD *thd) override
Execute this SQL statement.
Definition: sql_cmd_ddl_table.cc:547
Sql_cmd_cache_index(Alter_info *alter_info, const LEX_CSTRING &key_cache_name)
Definition: sql_cmd_ddl_table.h:113
const LEX_CSTRING m_key_cache_name
Definition: sql_cmd_ddl_table.h:126
bool assign_to_keycache(THD *thd, TABLE_LIST *tables)
Definition: sql_admin.cc:1399
Definition: sql_cmd_ddl_table.h:93
enum_sql_command sql_command_code() const override
Return the command code for this statement.
Definition: sql_cmd_ddl_table.h:97
Definition: sql_cmd_ddl_table.h:81
bool execute(THD *thd) override
Execute this SQL statement.
Definition: sql_cmd_ddl_table.cc:501
~Sql_cmd_create_or_drop_index_base() override=0
Definition: sql_cmd_ddl_table.h:61
enum_sql_command sql_command_code() const override
Return the command code for this statement.
Definition: sql_cmd_ddl_table.h:68
const MYSQL_LEX_CSTRING * eligible_secondary_storage_engine() const override
Is this statement of a type and on a form that makes it eligible for execution in a secondary storage...
Definition: sql_cmd_ddl_table.cc:463
bool prepare(THD *thd) override
Validate and prepare for execution CREATE TABLE statement.
Definition: sql_prepare.cc:1110
TABLE_LIST * query_expression_tables
Definition: sql_cmd_ddl_table.h:78
Sql_cmd_create_table(Alter_info *alter_info, TABLE_LIST *query_expression_tables)
Definition: sql_cmd_ddl_table.h:63
bool execute(THD *thd) override
Execute this SQL statement.
Definition: sql_cmd_ddl_table.cc:132
A base class for CREATE/ALTER TABLE commands and friends.
Definition: sql_cmd_ddl_table.h:49
~Sql_cmd_ddl_table() override=0
Alter_info *const m_alter_info
Definition: sql_cmd_ddl_table.h:56
Sql_cmd_ddl_table(Alter_info *alter_info)
Definition: sql_cmd_ddl_table.cc:67
Definition: sql_cmd_ddl_table.h:102
enum_sql_command sql_command_code() const override
Return the command code for this statement.
Definition: sql_cmd_ddl_table.h:106
Definition: sql_cmd_ddl_table.h:129
bool execute(THD *thd) override
Execute this SQL statement.
Definition: sql_cmd_ddl_table.cc:555
enum_sql_command sql_command_code() const override
Return the command code for this statement.
Definition: sql_cmd_ddl_table.h:133
bool preload_keys(THD *thd, TABLE_LIST *tables)
Definition: sql_admin.cc:1436
Representation of an SQL command.
Definition: sql_cmd.h:64
For each client connection we create a separate thread with THD serving as a thread/connection descri...
Definition: sql_class.h:945
enum_sql_command
Definition: my_sqlcommand.h:45
@ SQLCOM_ASSIGN_TO_KEYCACHE
Definition: my_sqlcommand.h:93
@ SQLCOM_CREATE_INDEX
Definition: my_sqlcommand.h:48
@ SQLCOM_PRELOAD_KEYS
Definition: my_sqlcommand.h:94
@ SQLCOM_CREATE_TABLE
Definition: my_sqlcommand.h:47
@ SQLCOM_DROP_INDEX
Definition: my_sqlcommand.h:56
Definition: mysql_lex_string.h:39
Definition: table.h:2684