MySQL 9.0.0
Source Code Documentation
statement_runnable.h
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23
24#ifndef STATEMENT_RUNNABLE_H
25#define STATEMENT_RUNNABLE_H
26
27#include "lex_string.h"
28
29class THD;
30
31/*******************************************************************
32 * Server_runnable
33 *******************************************************************/
34
35/**
36 Execute a fragment of server code in an isolated context, so that
37 it doesn't leave any effect on THD. THD must have no open tables.
38 The code must not leave any open tables around.
39 The result of execution (if any) is stored in Ed_result.
40*/
41
43 public:
44 virtual bool execute_server_code(THD *thd) = 0;
46};
47
48/**
49 Execute one SQL statement in an isolated context.
50
51 Allows to execute a SQL statement from within another statement.
52 Supports even executing a SQL statement from within stored program.
53*/
54
56 public:
58 bool execute_server_code(THD *thd) override;
59
60 private:
62};
63
64#endif
Execute a fragment of server code in an isolated context, so that it doesn't leave any effect on THD.
Definition: statement_runnable.h:42
virtual bool execute_server_code(THD *thd)=0
virtual ~Server_runnable()
Execute one SQL statement in an isolated context.
Definition: statement_runnable.h:55
LEX_STRING m_sql_text
Definition: statement_runnable.h:61
bool execute_server_code(THD *thd) override
Parse and execute a statement.
Definition: statement_runnable.cc:50
Statement_runnable(LEX_STRING sql_text)
Definition: statement_runnable.cc:37
For each client connection we create a separate thread with THD serving as a thread/connection descri...
Definition: sql_lexer_thd.h:36
Definition: mysql_lex_string.h:35