Question

我需要使用PHP连接到远程MSSQL服务器。我已经使用dblib成功连接，但它有一些非常“讨厌”的限制。

我发现它无法获取ntext格式的列行，有一个简单的解决方法，但是它限制了输出（通过查询将ntext转换为nvarchar），然后我注意到它也有问题以十进制格式获取行（或者看起来很糟糕，遗憾的是，为所有内容抛出的常规错误4004并不是很有用）。

我的喜欢需要太多的黑客攻击，有没有更好的方法来解决这个问题，也许我应该考虑使用不同的数据库来连接？

值得注意的是，我已经使用了mssql_ *取得了巨大的成功，但它显然不是一种理想的方法，我希望继续使用PDO。

值得注意的事情;

我在Debian上运行，我知道微软已经发布了ODBC的驱动程序，但是他们的驱动程序下载有问题，因此不起作用（至少在非RHEL系统上看不到）

Answer 1

请勿使用dblib/mssql:驱动程序。

如果您在Windows上，请使用sqlsrv: driver。（你必须下载一些DLL - 链接的指令。）

如果您使用的是unix，请使用PDO odbc: driver，最好是unixODBC风味。在Debian和Ubuntu上，您可以使用简单的apt-get install php5-odbc来获取此驱动程序。

Answer 2

执行时：

TDSDUMPCONFIG=stdout TDSDUMP=stdout tsql -S <name in TDS.conf> -U '<domain>\<username>' -p 1443 -P <password>

我明白了：

log.c:196:Starting log file for FreeTDS 0.91
        on 2013-03-22 15:55:50 with debug flags 0x4fff.
config.c:185:Getting connection information for [XXX].
config.c:189:Attempting to read conf files.
config.c:354:... $FREETDSCONF not set.  Trying $FREETDS/etc.
config.c:367:... $FREETDS not set.  Trying $HOME.
config.c:293:Could not open '/home/hillb/.freetds.conf' ((.freetds.conf)).
config.c:297:Found conf file '/etc/freetds/freetds.conf' (default).
config.c:483:Looking for section global.
config.c:540:   Found section global.
config.c:543:Got a match.
config.c:565:   text size = '64512'
config.c:540:   Found section egserver50.
config.c:540:   Found section egserver70.
config.c:540:   Found section XXX.
config.c:554:   Reached EOF
config.c:483:Looking for section XXX.
config.c:540:   Found section global.
config.c:540:   Found section egserver50.
config.c:540:   Found section egserver70.
config.c:540:   Found section XXX.
config.c:543:Got a match.
config.c:565:   host = 'XXX'
config.c:595:Found host entry XXX.
config.c:599:IP addr is xxx.xxx.xxx.xxx.
config.c:565:   port = '1433'
config.c:565:   tds version = '8.0'
config.c:788:Setting tds version to 8.0 (0x701) from $TDSVER.
config.c:554:   Reached EOF
config.c:301:Success: [XXX] defined in /etc/freetds/freetds.conf.
config.c:714:Setting 'dump_file' to 'stdout' from $TDSDUMP.
config.c:224:Final connection parameters:
config.c:225:            server_name = XXX
config.c:226:       server_host_name = XXX
config.c:227:                ip_addr = xxx.xxx.xxx.xxx
config.c:228:          instance_name =
config.c:229:                   port = 1433
config.c:230:          major_version = 7
config.c:231:          minor_version = 1
config.c:232:             block_size = 0
config.c:233:               language = us_english
config.c:234:         server_charset =
config.c:235:        connect_timeout = 0
config.c:236:       client_host_name = x
config.c:237:         client_charset = UTF-8
config.c:238:               app_name = TSQL
config.c:239:              user_name = <domain>\<username>
config.c:242:                library = TDS-Library
config.c:243:              bulk_copy = 0
config.c:244:      suppress_language = 0
config.c:245:          encrypt level = 0
config.c:246:          query_timeout = 0
config.c:249:               database =
config.c:250:              dump_file = stdout
config.c:251:            debug_flags = 0
config.c:252:              text_size = 64512
config.c:253:           broken_dates = 0
config.c:254:     emul_little_endian = 0
config.c:255:      server_realm_name =
log.c:196:Starting log file for FreeTDS 0.91
        on 2013-03-22 15:55:50 with debug flags 0x4fff.
locale is "en_US.UTF-8"
locale charset is "UTF-8"
using default charset "UTF-8"
iconv.c:330:tds_iconv_open(0x98cb9e8, UTF-8)
iconv.c:187:local name for ISO-8859-1 is ISO-8859-1
iconv.c:187:local name for UTF-8 is UTF-8
iconv.c:187:local name for UCS-2LE is UCS-2LE
iconv.c:187:local name for UCS-2BE is UCS-2BE
iconv.c:349:setting up conversions for client charset "UTF-8"
iconv.c:351:preparing iconv for "UTF-8" <-> "UCS-2LE" conversion
iconv.c:391:preparing iconv for "ISO-8859-1" <-> "UCS-2LE" conversion
iconv.c:394:tds_iconv_open: done
net.c:205:Connecting to xxx.xxx.xxx.xxx port 1433 (TDS version 7.1)
net.c:270:tds_open_socket: connect(2) returned "Operation now in progress"
net.c:310:tds_open_socket() succeeded
util.c:156:Changed query state from DEAD to IDLE
net.c:741:Sending packet

[hex dumps redacted]

token.c:555:processing result tokens.  marker is  fd(DONE)
token.c:2339:tds_process_end: more_results = 0
                was_cancelled = 0
                error = 0
                done_count_valid = 0
token.c:2355:tds_process_end() state set to TDS_IDLE
util.c:156:Changed query state from READING to IDLE
token.c:2370:                rows_affected = 0
util.c:104:logic error: cannot change query state from IDLE to PENDING
token.c:540:tds_process_tokens(0x98cb9e8, 0xbf82fb48, 0xbf82fb4c, 0x100)
token.c:543:tds_process_tokens() state is COMPLETED
locale is "en_US.UTF-8"
locale charset is "UTF-8"
using default charset "UTF-8"

你到底想要什么？

通过dblib使用MSSQL时PDO连接所需的替代方法

2 个答案: