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Cleanup-patch for BUG#25843: changing default database between

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PREPARE and EXECUTE of statement breaks binlog.
This commit is contained in:
anozdrin/alik@ibm.opbmk
2007-08-30 20:06:19 +04:00
parent 4c2a63ea54
commit f141ba5e26
3 changed files with 129 additions and 50 deletions
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39
sql/sql_class.h
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@@ -1802,11 +1802,27 @@ public:
}
}
/*
Initialize the current database from a NULL-terminated string with length
If we run out of memory, we free the current database and return TRUE.
This way the user will notice the error as there will be no current
database selected (in addition to the error message set by malloc).
/**
Set the current database; use deep copy of C-string.
@param new_db a pointer to the new database name.
@param new_db_len length of the new database name.
Initialize the current database from a NULL-terminated string with
length. If we run out of memory, we free the current database and
return TRUE. This way the user will notice the error as there will be
no current database selected (in addition to the error message set by
malloc).
@note This operation just sets {thd->db, thd->db_length}. Switching the
current database usually involves other actions, like switching other
database attributes including security context. In the future, this
operation will be made private and more convenient interface will be
provided.
@return Operation status
@retval FALSE Success
@retval TRUE Out-of-memory error
*/
bool set_db(const char *new_db, size_t new_db_len)
{
@@ -1821,6 +1837,19 @@ public:
db_length= db ? new_db_len : 0;
return new_db && !db;
}
/**
Set the current database; use shallow copy of C-string.
@param new_db a pointer to the new database name.
@param new_db_len length of the new database name.
@note This operation just sets {thd->db, thd->db_length}. Switching the
current database usually involves other actions, like switching other
database attributes including security context. In the future, this
operation will be made private and more convenient interface will be
provided.
*/
void reset_db(char *new_db, size_t new_db_len)
{
db= new_db;