sql:select id,f_id from category where id =
错误:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
Array
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            [line] => 380
            [function] => execute_dql
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                            [connect_error] => 
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                            [error] => You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
                            [error_list] => Array
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                                        (
                                            [errno] => 1064
                                            [sqlstate] => 42000
                                            [error] => You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
                                        )

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                            [stat] => Uptime: 82256199  Threads: 1  Questions: 15640447984  Slow queries: 0  Opens: 162631274  Flush tables: 1  Open tables: 2000  Queries per second avg: 190.143
                            [sqlstate] => 00000
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                            [thread_id] => 459786250
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            [type] => ->
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                )

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            [line] => 21
            [function] => getMainPos
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                                    [client_version] => 50010
                                    [connect_errno] => 0
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                                    [error] => 
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                                        (
                                        )

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                                    [host_info] => mysql.hk1047.dnstoo.com via TCP/IP
                                    [info] => 
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                                    [stat] => Uptime: 82256199  Threads: 1  Questions: 15640447985  Slow queries: 0  Opens: 162631274  Flush tables: 1  Open tables: 2000  Queries per second avg: 190.143
                                    [sqlstate] => 00000
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            [type] => ->
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