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implementation of mysql_stmt_reset client end

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venu@myvenu.com 2003-07-08 02:27:21 -07:00
parent bad00c38df
commit bb718b31d0
7 changed files with 33 additions and 1 deletions
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1
include/mysql.h
View file

@ -566,6 +566,7 @@ unsigned long STDCALL mysql_param_count(MYSQL_STMT * stmt);
my_bool STDCALL mysql_bind_param(MYSQL_STMT * stmt, MYSQL_BIND * bnd);
my_bool STDCALL mysql_bind_result(MYSQL_STMT * stmt, MYSQL_BIND * bnd);
my_bool STDCALL mysql_stmt_close(MYSQL_STMT * stmt);
my_bool STDCALL mysql_stmt_reset(MYSQL_STMT * stmt);
my_bool STDCALL mysql_stmt_free_result(MYSQL_STMT *stmt);
unsigned int STDCALL mysql_stmt_errno(MYSQL_STMT * stmt);
const char *STDCALL mysql_stmt_error(MYSQL_STMT * stmt);

1
include/mysql_com.h
View file

@ -44,6 +44,7 @@ enum enum_server_command
COM_TIME, COM_DELAYED_INSERT, COM_CHANGE_USER, COM_BINLOG_DUMP,
COM_TABLE_DUMP, COM_CONNECT_OUT, COM_REGISTER_SLAVE,
COM_PREPARE, COM_EXECUTE, COM_LONG_DATA, COM_CLOSE_STMT,
COM_RESET_STMT,
COM_END /* Must be last */
};

23
libmysql/libmysql.c
View file

@ -3316,6 +3316,7 @@ mysql_stmt_data_seek(MYSQL_STMT *stmt, my_ulonglong row)
}
else
DBUG_PRINT("exit", ("stmt doesn't contain any resultset"));
DBUG_VOID_RETURN;
}
@ -3421,6 +3422,28 @@ my_bool STDCALL mysql_stmt_close(MYSQL_STMT *stmt)
return stmt_close(stmt, 0);
}
/*
Reset the statement buffers in server
*/
my_bool STDCALL mysql_stmt_reset(MYSQL_STMT *stmt)
{
char buff[MYSQL_STMT_HEADER];
MYSQL *mysql;
DBUG_ENTER("mysql_stmt_reset");
DBUG_ASSERT(stmt != 0);
mysql= stmt->mysql->last_used_con;
int4store(buff, stmt->stmt_id); /* Send stmt id to server */
if (advanced_command(mysql, COM_RESET_STMT,buff,MYSQL_STMT_HEADER,0,0,1))
{
set_stmt_errmsg(stmt, mysql->net.last_error, mysql->net.last_errno,
mysql->net.sqlstate);
DBUG_RETURN(1);
}
DBUG_RETURN(0);
}
/*
Return statement error code
*/

1
libmysql/libmysql.def
View file

@ -98,6 +98,7 @@ EXPORTS
mysql_stat
mysql_stmt_affected_rows
mysql_stmt_close
mysql_stmt_reset
mysql_stmt_data_seek
mysql_stmt_errno
mysql_stmt_error

1
sql/mysql_priv.h
View file

@ -557,6 +557,7 @@ void free_prep_stmt(PREP_STMT *stmt, TREE_FREE mode, void *not_used);
bool mysql_stmt_prepare(THD *thd, char *packet, uint packet_length);
void mysql_stmt_execute(THD *thd, char *packet);
void mysql_stmt_free(THD *thd, char *packet);
void mysql_stmt_reset(THD *thd, char *packet);
void mysql_stmt_get_longdata(THD *thd, char *pos, ulong packet_length);
int check_insert_fields(THD *thd,TABLE *table,List<Item> &fields,
List<Item> &values, ulong counter);

5
sql/sql_parse.cc
View file

@ -1290,6 +1290,11 @@ restore_user:
mysql_stmt_free(thd, packet);
break;
}
case COM_RESET_STMT:
{
mysql_stmt_reset(thd, packet);
break;
}
case COM_QUERY:
{
if (alloc_query(thd, packet, packet_length))

2
sql/sql_prepare.cc
View file

@ -965,7 +965,7 @@ void mysql_stmt_reset(THD *thd, char *packet)
PREP_STMT *stmt;
DBUG_ENTER("mysql_stmt_reset");
if (!(stmt=find_prepared_statement(thd, stmt_id, "close")))
if (!(stmt= find_prepared_statement(thd, stmt_id, "reset")))
{
send_error(thd);
DBUG_VOID_RETURN;