RE: [python-sybase] newbie problem

[Laurent V. <va...@ti...>]

Ok, it solved the problem.
Thanks

Laurent

A 16:49 14/01/2003 +0200, vous avez =E9crit :
>Hi,
>
>You need to close the cursor before you can commit your work:
>
>db.begin()
>c=3Ddb.cursor()
>c.callproc('sp_help')
>c.close()
>db.commit()
>
>works for me.
>
>Have fun,
>         Shai.
>
>-----Original Message-----
>From: Laurent VASSEUR [mailto:va...@ti...]
>Sent: Tuesday, January 14, 2003 10:44
>To: pyt...@ob...
>Subject: [python-sybase] newbie problem
>
>
>hi,
>
>I've just installed the Sybase module on solaris 2.7 / python 2.2. I tried
>the following program to test it, but it fails...
>
>#!/bin/env python
>import Sybase
>Sybase._ctx.debug =3D 1
>import sys
>
>db=3DSybase.connect('DB','USR', 'PWD', database=3D'test')
>c=3Ddb.cursor()
>
>db.begin()
>c.callproc('sp_help')
>db.commit()
>
>c.close ()
>db.close ()
>sys.exit()
>
>I get the following output :
>
>ct_con_alloc(ctx0, &conn) -> CS_SUCCEED, conn0 ct_con_props(conn0, CS_SET,=
=20
>CS_USERNAME, "USR", CS_NULLTERM, NULL) ->
>CS_SUCCEED
>ct_con_props(conn0, CS_SET, CS_PASSWORD, "PWD", CS_NULLTERM, NULL) ->
>CS_SUCCEED
>servermsg_cb
>ct_connect(conn0, "DB", CS_NULLTERM) -> CS_SUCCEED ct_options(conn0,=20
>CS_SET, CS_OPT_CHAINXACTS, 1, CS_UNUSED, NULL) -> CS_SUCCEED=20
>ct_cmd_alloc(conn0, &cmd) -> CS_SUCCEED, cmd0 ct_command(cmd0,=20
>CS_LANG_CMD, "use test", CS_NULLTERM, CS_UNUSED) -> CS_SUCCEED
>ct_send(cmd0) -> CS_SUCCEED
>servermsg_cb
>ct_results(cmd0, &result) -> CS_SUCCEED, CS_CMD_SUCCEED ct_results(cmd0,=20
>&result) -> CS_SUCCEED, CS_CMD_DONE ct_results(cmd0, &result) ->=20
>CS_END_RESULTS, CS_FALSE
>ct_cmd_drop(cmd0) -> CS_SUCCEED
>ct_cmd_alloc(conn0, &cmd) -> CS_SUCCEED, cmd1 ct_cmd_alloc(conn0, &cmd) ->=
=20
>CS_SUCCEED, cmd2 ct_command(cmd2, CS_LANG_CMD, "begin transaction",=20
>CS_NULLTERM, CS_UNUSED)
>-> CS_SUCCEED
>ct_send(cmd2) -> CS_SUCCEED
>ct_results(cmd2, &result) -> CS_SUCCEED, CS_CMD_SUCCEED ct_results(cmd2,=20
>&result) -> CS_SUCCEED, CS_CMD_DONE ct_results(cmd2, &result) ->=20
>CS_END_RESULTS, CS_FALSE
>ct_cmd_drop(cmd2) -> CS_SUCCEED
>ct_command(cmd1, CS_RPC_CMD, "sp_help", CS_NULLTERM, CS_UNUSED) ->=
 CS_SUCCEED
>ct_send(cmd1) -> CS_SUCCEED
>ct_results(cmd1, &result) -> CS_SUCCEED, CS_ROW_RESULT ct_res_info(cmd1,=20
>CS_NUMDATA, &value, CS_UNUSED, NULL) -> CS_SUCCEED, 3 ct_describe(cmd1, 1,=
=20
>&fmt) -> CS_SUCCEED, datafmt0=3D[name:"Name"
>type:CS_CHAR_TYPE status:CS_UPDATABLE format:CS_FMT_UNUSED count:0
>maxlength:30]
>ct_bind(cmd1, 1, &datafmt0->fmt=3D[name:"Name" type:CS_CHAR_TYPE
>status:CS_UPDATABLE format:CS_FMT_UNUSED count:1 maxlength:30],
>databuf0->buff, databuf0->copied, databuf0->indicator) -> CS_SUCCEED,
>databuf0->databuf0
>ct_describe(cmd1, 2, &fmt) -> CS_SUCCEED, datafmt1=3D[name:"Owner"
>type:CS_CHAR_TYPE status:48 format:CS_FMT_UNUSED count:0 maxlength:30]=20
>ct_bind(cmd1, 2, &datafmt1->fmt=3D[name:"Owner" type:CS_CHAR_TYPE status:48
>format:CS_FMT_UNUSED count:1 maxlength:30], databuf1->buff,
>databuf1->copied, databuf1->indicator) -> CS_SUCCEED, databuf1
>ct_describe(cmd1, 3, &fmt) -> CS_SUCCEED, datafmt2=3D[name:"Object_type"
>type:CS_CHAR_TYPE status:48 format:CS_FMT_UNUSED count:0 maxlength:22]=20
>ct_bind(cmd1, 3, &datafmt2->fmt=3D[name:"Object_type" type:CS_CHAR_TYPE
>status:48 format:CS_FMT_UNUSED count:1 maxlength:22], databuf2->buff,
>databuf2->copied, databuf2->indicator) -> CS_SUCCEED, databuf2
>ct_cmd_alloc(conn0, &cmd) -> CS_SUCCEED, cmd3
>ct_command(cmd3, CS_LANG_CMD, "commit transaction", CS_NULLTERM, CS_UNUSED)
>-> CS_SUCCEED
>clientmsg_cb
>ct_send(cmd3) -> CS_FAIL
>Traceback (most recent call last):
>    File "t.py", line 11, in ?
>      db.commit()
>    File "/usr/local/lib/python2.2/site-packages/Sybase.py", line 696, in=
=20
> commit
>      self.execute('commit transaction')
>    File "/usr/local/lib/python2.2/site-packages/Sybase.py", line 724, in
>execute
>      status =3D cmd.ct_send()
>    File "/usr/local/lib/python2.2/site-packages/Sybase.py", line 141, in
>_clientmsg_cb
>      raise DatabaseError(_fmt_client(msg))
>Sybase.DatabaseError: Layer: 1, Origin: 1
>ct_send(): couche api utilisateur: erreur externe: Impossible d'appeler
>cette routine car une autre structure de commande est en attente de=20
>r=E9sultats. clientmsg_cb
>ct_cmd_drop(cmd3) -> CS_FAIL
>ct_cancel(conn0, NULL, CS_CANCEL_ALL) -> CS_SUCCEED
>ct_cmd_drop(cmd1) -> CS_SUCCEED
>ct_con_props(conn0, CS_GET, CS_CON_STATUS, &value, CS_UNUSED, NULL) ->
>CS_SUCCEED, CS_CONSTAT_CONNECTED
>ct_close(conn0, CS_FORCE_CLOSE) -> CS_SUCCEED
>ct_con_drop(conn0) -> CS_SUCCEED
>
>
>The error in english is : "user api layer: external error: This routine
>cannot be called because another command structure has results pending." I=
=20
>have the same pb if I perform an insert + select in the same transaction.
>Any idea on what is going wrong ?
>
>Note: in order to compile the module, I had to add the library "itl" to
>EXTRA_LIBS. My installation was done whith :
>"python setup.py build_ext -U WANT_BULKCOPY"
>
>
>Thanks,
>Laurent
>
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         Laurent VASSEUR
Ing=E9nieur d=E9veloppement IGBMC
va...@ig...