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Remove THD::stmt_backup

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This commit is contained in:
konstantin@mysql.com
2005-06-22 23:12:25 +04:00
parent 0c72aa5ef2
commit 6a0adade83
4 changed files with 39 additions and 60 deletions
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15
sql/sql_class.h
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@ -809,13 +809,11 @@ public:
public:
/*
This constructor is called when statement is a subobject of THD:
some variables are initialized in THD::init due to locking problems
*/
Statement();
/* This constructor is called for backup statements */
Statement() { clear_alloc_root(&main_mem_root); }
Statement(THD *thd);
Statement(enum enum_state state_arg, ulong id_arg,
ulong alloc_block_size, ulong prealloc_size);
virtual ~Statement();
/* Assign execution context (note: not all members) of given stmt to self */
@ -957,11 +955,6 @@ public:
pthread_mutex_t LOCK_delete; // Locked before thd is deleted
/* all prepared statements and cursors of this connection */
Statement_map stmt_map;
/*
keeps THD state while it is used for active statement
Note: we perform special cleanup for it in THD destructor.
*/
Statement stmt_backup;
/*
A pointer to the stack frame of handle_one_connection(),
which is called first in the thread for handling a client