FreeTDS Development Group

[Frediano Ziglio <freddy77 AT gmail.com>]

Hi,
  could you try this patch. I rewrote odbc_stat_execute using RPC
instead of building the string.

Frediano Ziglio

2010/11/24 Peter C. Norton <spacey-freetds.org AT ssr.com>:
> I'm re-sending this to the list because it's the one outstanding issue
> that I'm aware of at this time with freetds.  I think it's gotten lost
> in the glut of error reports I sent earlier.
>
> I've confirmed that this still exists based on a checkout from the
> most recent available snapshot (cvs->git mirror->me, last changelog is
> updated as of 10/29.  Brianb, is your git sync script still working?)
>
> Let me know if more info is needed.
>
> Thanks,
>
> -Peter
>
>
> ----- Forwarded message from "Peter C. Norton" -----
>
> Sorry for the length of this post.  I'm trying to become familiar with
> what's going on here so I'm putting in perhaps too much information
> rather than too little.
>
> It seems like when I'm connecting to a Sybase server (belonging to a
> vendor, which I have no control over), I will reliably get an error
> message when issuing something as simple as "select 1".  This seems to
> be the same issue as another users pyodbc issue #89, at
> http://code.google.com/p/pyodbc/issues/detail?id=89.  I'm sending this
> here, because so far my debugging seems to point to freetds's odbc.c,
> but I could be wrong.
>
> When this issue happens, this is what the top of the call stack looks like:
>
>    #0  _SQLExecute (stmt=0x8309e0) at odbc.c:3224
>    #1  0x00002aaaae77afed in SQLExecDirect (statement_handle=0x831870, 
> statement_text=0x2aaaaaf656b4 "select 1", text_length=-3) at 
> SQLExecDirect.c:421
>    #2  0x00002aaaae555dab in execute (cur=0x6fd030, pSql=0x2aaaaaf65690, 
> params=0x0, skip_first=false) at /var/tmp/pyodbc/src/cursor.cpp:673
>    #3  0x00002aaaaab998bd in call_function (f=0x7899a0, throwflag=<value 
> optimized out>) at Python/ceval.c:3750
>
> I've attached the relevant section of the dump file, starting at 4635
> lines into the output.
>
> The part that seems to be generating the error seems to be the state
> machine left in the "wrong" state, with more_results being set, and
> the state being set to TDS_PENDING (below, in gdb), but that's not
> valid after the SQLFetch: NO_DATA_FOUND?
>
>    util.c:156:Changed query state from PENDING to READING
>    token.c:554:processing result tokens.  marker is  ff(DONEINPROC)
>    token.c:2461:tds_process_end: more_results = 1
>                was_cancelled = 0
>                error = 0
>                done_count_valid = 1
>    token.c:2492:                rows_affected = 1
>    util.c:156:Changed query state from READING to PENDING
>    odbc.c:3534:odbc_process_tokens: tds_process_tokens returned 1
>    odbc.c:3535:    result_type=4054, TDS_DONE_COUNT=10, TDS_DONE_ERROR=0
>    odbc.c:3599:odbc_process_tokens: processed TDS_DONEINPROC_RESULT
>    odbc.c:3803:SQLFetch: NO_DATA_FOUND
>    odbc.c:5940:SQLGetTypeInfo(0x84ccc00, -2)
>    odbc.c:3211:_SQLExecute(0x84ccc00)
>    odbc.c:3216:_SQLExecute() starting with state 2
>    error.c:412:odbc_errs_add: "Invalid cursor state"
>
> and all this seems to happen before the "select 1" is ever passed to the 
> server.
>
> I can verify, at least, that from the debuggers point of view, the
> state seems to be consistent with the error conditions being checked
> for.  Going into odbc.c:_SQLExecute when the above happens, this is
> what the struct *tds looks like (from another run, btw, so the memory
> addresses probably don't match):
>
>    (gdb) p *tds
>    $44 = {s = 6, tds_version = 1280, product_version = 201654272, 
> product_name = 0x829b80 "sql server", capabilities = 
> "\001\t\000\b\002aA????\002\t\000\000\000\000\002\000\000\000", 
> broken_dates = 0, emul_little_endian = 0, use_iconv = 0, in_buf = 0x82a310 
> "\004\001\001J", out_buf = 0x829360 "\017\001", in_buf_max = 512, in_pos = 
> 316, out_pos = 8, in_len = 330, in_flag = 4 '\004', out_flag = 15 '\017', 
> parent = 0x826010, current_results = 0x827cd0, res_info = 0x827cd0, 
> num_comp_info = 0, comp_info = 0x0, param_info = 0x0, cur_cursor = 0x0, 
> cursors = 0x0, has_status = 0 '\000', ret_status = 0, state = TDS_PENDING, 
> in_cancel = 0 '\000', rows_affected = 1, query_timeout = 0, env = 
> {block_size = 512, language = 0x0, charset = 0x827d60 "iso_1", database = 
> 0x829aa0 "tempdb"}, cur_dyn = 0x0, dyns = 0x0, tds_ctx = 0x827ca0, 
> char_conv_count = 4, char_convs = 0x827d30, connection = 0x0, spid = -1, 
> collation = "\000\000\000\000", tds9_transaction = 
> "\000\000\000\000\000\000\000", env_
>  chg_func = 0x2aaab1a7f2a0 <odbc_env_change>, internal_sp_called = 0, 
> tls_session = 0x0, tls_credentials = 0x0, authentication = 0x0, 
> option_value = 0}
>    (gdb)
>
>
> this is the state of the *tds structure when this code in odbc.c is hit:
>
>    (gdb) list
>    3219                if (stmt->params && stmt->param_num <= 
> stmt->param_count)
>    3220                        /* TODO what error ?? */
>    3221                        return SQL_ERROR;
>    3222
>    3223                if (tds->state != TDS_IDLE) {
>    3224                        if (tds->state == TDS_DEAD) {
>    3225                                odbc_errs_add(&stmt->errs, "08S01", 
> NULL);
>    3226                        } else {
>    3227                                odbc_errs_add(&stmt->errs, "24000", 
> NULL);
>    3228                        }
>
> The sequence of odbc discovery queryes via "EXEC sp_datatypeinfo %d"
> requests leading up to this, via putting a breakpoint in
> osbc.c:_SQLExecute(), looks like this:
>
> EXEC sp_datatype_info 11
> EXEC sp_datatype_info 12
> EXEC sp_datatype_info 12
> EXEC sp_datatype_info -9
> EXEC sp_datatype_info -2
>
> Then after this, the next time _SQLExecute is entered, it's trying to
> execute "select 1", and per the attached dump, it fails miserably
> because the connection is in an invalid state.
>
> An interesting note: it seems like on this database 11, 12, and -2
> return multiple types that have the matching data_type.  -9 doesn't
> match anything.
>
> Could it be that something about the multiple values being returned by
> sp_datatype_info are the cause of the problem here?
>
> From looking at odbc.c:SQLGetTypeInfo(), it looks like where it's
> checking for the types (starting at line 5890 in my current checkout)
> something may be going wrong.  I see that on this dataserver
> "sp_datatype_info -2" returns 4 rows, and the first one is the
> definition of "binary" and the rest are defined by someone else
> (probably the vendor who owns the box).  Looking at SQLGetTypeInfo():
>
>        /*
>         * Sybase return first nvarchar for char... and without length !!!
>         * Some program use first entry so we discard all entry bfore varchar
>         */
>        n = 0;
>        while (tds->current_results) {
>                TDSRESULTINFO *resinfo;
>                TDSCOLUMN *colinfo;
>                char *name;
>
>                /* if next is varchar leave next for SQLFetch */
>                if (n == (varchar_pos - 1))
>                        break;
>
>                switch (tds_process_tokens(stmt->dbc->tds_socket, 
> &result_type, &compute_id, TDS_STOPAT_ROWFMT|TDS_RETURN_ROW)) {
>                case TDS_SUCCEED:
>                        if (result_type == TDS_ROW_RESULT)
>                                break;
>                case TDS_NO_MORE_RESULTS:
>                        /* discard other tokens */
>                        tds_process_simple_query(tds);
>                        if (n >= varchar_pos && varchar_pos > 0)
>                                goto redo;
>                        break;
>                case TDS_CANCELLED:
>                        odbc_errs_add(&stmt->errs, "HY008", NULL);
>                        break;
>                }
>                if (!tds->current_results)
>                        break;
>                ++n;
>
>                resinfo = tds->current_results;
>                colinfo = resinfo->columns[0];
>                name = (char *) colinfo->column_data;
>                /* skip nvarchar and sysname */
>                if (colinfo->column_cur_size == 7 && memcmp("varchar", name, 
> 7) == 0) {
>                        varchar_pos = n;
>                }
>        }
>        ODBC_RETURN(stmt, res);
>
> when ODBC_RETURN returns, the value returned to the caller is -1 after
> the call to "EXEC sp_datatype_info -2".
>
> Let me know if I can provide more info, or help narrow down what the
> exact problem is here.
>
> Thanks,
>
> -Peter
>
>
>
>
> net.c:730:Sending packet
> 0000 0f 01 00 26 00 00 00 00-21 19 00 00 00 00 45 58 |...&.... !.....EX|
> 0010 45 43 20 73 70 5f 64 61-74 61 74 79 70 65 5f 69 |EC sp_da tatype_i|
> 0020 6e 66 6f 20 2d 39      -                        |nfo -9|
>
> token.c:539:tds_process_tokens(0x84ce7e0, 0x7fff9a296ba4, 0x7fff9a296ba0, 
> 0x6914)
> util.c:156:Changed query state from PENDING to READING
> net.c:546:Received header
> 0000 04 00 02 00 00 00 00 00-                        |........|
>
> net.c:600:Received packet
> 0000 04 00 02 00 00 00 00 00-ff 45 00 01 00 00 00 00 |........ .E......|
> 0010 00 61 f8 02 00 00 11 00-09 74 79 70 65 5f 6e 61 |.a...... .type_na|
> 0020 6d 65 00 00 08 73 79 73-74 79 70 65 73 04 6e 61 |me...sys types.na|
> 0030 6d 65 10 00 00 00 12 00-00 00 27 1e 00 00 00 00 |me...... ..'.....|
> 0040 11 73 70 74 5f 64 61 74-61 74 79 70 65 5f 69 6e |.spt_dat atype_in|
> 0050 66 6f 09 64 61 74 61 5f-74 79 70 65 10 00 00 00 |fo.data_ type....|
> 0060 06 00 00 00 34 00 08 70-72 65 63 69 73 6f 6e 00 |....4..p recison.|
> 0070 00 00 08 70 72 65 63 69-73 6f 6e 30 00 00 00 07 |...preci son0....|
> 0080 00 00 00 26 04 00 00 00-00 11 73 70 74 5f 64 61 |...&.... ..spt_da|
> 0090 74 61 74 79 70 65 5f 69-6e 66 6f 0e 6c 69 74 65 |tatype_i nfo.lite|
> 00a0 72 61 6c 5f 70 72 65 66-69 78 30 00 00 00 02 00 |ral_pref ix0.....|
> 00b0 00 00 27 20 00 00 00 00-11 73 70 74 5f 64 61 74 |..' .... .spt_dat|
> 00c0 61 74 79 70 65 5f 69 6e-66 6f 0e 6c 69 74 65 72 |atype_in fo.liter|
> 00d0 61 6c 5f 73 75 66 66 69-78 30 00 00 00 02 00 00 |al_suffi x0......|
> 00e0 00 27 20 00 00 00 00 15-73 70 74 5f 64 61 74 61 |.' ..... spt_data|
> 00f0 74 79 70 65 5f 69 6e 66-6f 5f 65 78 74 0d 63 72 |type_inf o_ext.cr|
> 0100 65 61 74 65 5f 70 61 72-61 6d 73 30 00 00 00 02 |eate_par ams0....|
> 0110 00 00 00 27 20 00 00 00-00 11 73 70 74 5f 64 61 |...' ... ..spt_da|
> 0120 74 61 74 79 70 65 5f 69-6e 66 6f 08 6e 75 6c 6c |tatype_i nfo.null|
> 0130 61 62 6c 65 10 00 00 00-06 00 00 00 34 00 00 00 |able.... ....4...|
> 0140 00 11 73 70 74 5f 64 61-74 61 74 79 70 65 5f 69 |..spt_da tatype_i|
> 0150 6e 66 6f 0e 63 61 73 65-5f 73 65 6e 73 69 74 69 |nfo.case _sensiti|
> 0160 76 65 10 00 00 00 06 00-00 00 34 00 00 00 00 11 |ve...... ..4.....|
> 0170 73 70 74 5f 64 61 74 61-74 79 70 65 5f 69 6e 66 |spt_data type_inf|
> 0180 6f 0a 73 65 61 72 63 68-61 62 6c 65 10 00 00 00 |o.search able....|
> 0190 06 00 00 00 34 00 00 00-00 11 73 70 74 5f 64 61 |....4... ..spt_da|
> 01a0 74 61 74 79 70 65 5f 69-6e 66 6f 12 75 6e 73 69 |tatype_i nfo.unsi|
> 01b0 67 6e 65 64 5f 61 74 74-72 69 62 75 74 65 30 00 |gned_att ribute0.|
> 01c0 00 00 06 00 00 00 26 02-00 00 00 00 11 73 70 74 |......&. .....spt|
> 01d0 5f 64 61 74 61 74 79 70-65 5f 69 6e 66 6f 05 6d |_datatyp e_info.m|
> 01e0 6f 6e 65 79 10 00 00 00-06 00 00 00 34 00 00 00 |oney.... ....4...|
> 01f0 00 11 73 70 74 5f 64 61-74 61 74 79 70 65 5f 69 |..spt_da tatype_i|
>
> token.c:554:processing result tokens.  marker is  ff(DONEINPROC)
> token.c:2461:tds_process_end: more_results = 1
>                was_cancelled = 0
>                error = 0
>                done_count_valid = 0
> token.c:2492:                rows_affected = 0
> util.c:156:Changed query state from READING to PENDING
> odbc.c:3534:odbc_process_tokens: tds_process_tokens returned 1
> odbc.c:3535:    result_type=4054, TDS_DONE_COUNT=0, TDS_DONE_ERROR=0
> odbc.c:3599:odbc_process_tokens: processed TDS_DONEINPROC_RESULT
> odbc.c:3374:_SQLExecute: odbc_process_tokens returned result_type 4054
> token.c:539:tds_process_tokens(0x84ce7e0, 0x7fff9a296ba4, 0x7fff9a296ba0, 
> 0x6914)
> util.c:156:Changed query state from PENDING to READING
> token.c:554:processing result tokens.  marker is  61(ROWFMT2)
> token.c:1831:tds5_process_result
> mem.c:615:tds_free_all_results()
> token.c:1855:num_cols=17
> token.c:1958:col 0:
> token.c:1959:   column_name=[type_name]
> token.c:1965:   flags=10 utype=18 type=39 varint=1
> token.c:1968:   colsize=30 prec=0 scale=0
> token.c:1958:col 1:
> token.c:1959:   column_name=[data_type]
> token.c:1965:   flags=10 utype=6 type=52 varint=0
> token.c:1968:   colsize=2 prec=0 scale=0
> token.c:1958:col 2:
> token.c:1959:   column_name=[precison]
> token.c:1965:   flags=30 utype=7 type=38 varint=1
> token.c:1968:   colsize=4 prec=0 scale=0
> token.c:1958:col 3:
> token.c:1959:   column_name=[literal_prefix]
> token.c:1965:   flags=30 utype=2 type=39 varint=1
> token.c:1968:   colsize=32 prec=0 scale=0
> token.c:1958:col 4:
> token.c:1959:   column_name=[literal_suffix]
> token.c:1965:   flags=30 utype=2 type=39 varint=1
> token.c:1968:   colsize=32 prec=0 scale=0
> token.c:1958:col 5:
> token.c:1959:   column_name=[create_params]
> token.c:1965:   flags=30 utype=2 type=39 varint=1
> token.c:1968:   colsize=32 prec=0 scale=0
> token.c:1958:col 6:
> token.c:1959:   column_name=[nullable]
> token.c:1965:   flags=10 utype=6 type=52 varint=0
> token.c:1968:   colsize=2 prec=0 scale=0
> token.c:1958:col 7:
> token.c:1959:   column_name=[case_sensitive]
> token.c:1965:   flags=10 utype=6 type=52 varint=0
> token.c:1968:   colsize=2 prec=0 scale=0
> token.c:1958:col 8:
> token.c:1959:   column_name=[searchable]
> token.c:1965:   flags=10 utype=6 type=52 varint=0
> token.c:1968:   colsize=2 prec=0 scale=0
> token.c:1958:col 9:
> token.c:1959:   column_name=[unsigned_attribute]
> token.c:1965:   flags=30 utype=6 type=38 varint=1
> token.c:1968:   colsize=2 prec=0 scale=0
> token.c:1958:col 10:
> token.c:1959:   column_name=[money]
> token.c:1965:   flags=10 utype=6 type=52 varint=0
> token.c:1968:   colsize=2 prec=0 scale=0
> net.c:546:Received header
> 0000 04 01 01 4a 00 00 00 00-                        |...J....|
>
> net.c:600:Received packet
> 0000 04 01 01 4a 00 00 00 00-6e 66 6f 0e 61 75 74 6f |...J.... nfo.auto|
> 0010 5f 69 6e 63 72 65 6d 65-6e 74 30 00 00 00 06 00 |_increme nt0.....|
> 0020 00 00 26 02 00 00 00 00-11 73 70 74 5f 64 61 74 |..&..... .spt_dat|
> 0030 61 74 79 70 65 5f 69 6e-66 6f 0f 6c 6f 63 61 6c |atype_in fo.local|
> 0040 5f 74 79 70 65 5f 6e 61-6d 65 10 00 00 00 02 00 |_type_na me......|
> 0050 00 00 27 80 00 00 00 00-11 73 70 74 5f 64 61 74 |..'..... .spt_dat|
> 0060 61 74 79 70 65 5f 69 6e-66 6f 0d 73 71 6c 5f 64 |atype_in fo.sql_d|
> 0070 61 74 61 5f 74 79 70 65-30 00 00 00 06 00 00 00 |ata_type 0.......|
> 0080 26 02 00 00 00 00 11 73-70 74 5f 64 61 74 61 74 |&......s pt_datat|
> 0090 79 70 65 5f 69 6e 66 6f-10 73 71 6c 5f 64 61 74 |ype_info .sql_dat|
> 00a0 65 74 69 6d 65 5f 73 75-62 30 00 00 00 06 00 00 |etime_su b0......|
> 00b0 00 26 02 00 00 00 00 11-73 70 74 5f 64 61 74 61 |.&...... spt_data|
> 00c0 74 79 70 65 5f 69 6e 66-6f 0e 6e 75 6d 5f 70 72 |type_inf o.num_pr|
> 00d0 65 63 5f 72 61 64 69 78-30 00 00 00 06 00 00 00 |ec_radix 0.......|
> 00e0 26 02 00 00 00 00 11 73-70 74 5f 64 61 74 61 74 |&......s pt_datat|
> 00f0 79 70 65 5f 69 6e 66 6f-12 69 6e 74 65 72 76 61 |ype_info .interva|
> 0100 6c 5f 70 72 65 63 69 73-69 6f 6e 30 00 00 00 06 |l_precis ion0....|
> 0110 00 00 00 26 02 00 ae 11-00 00 00 00 00 00 00 00 |...&.... ........|
> 0120 00 00 00 00 00 00 00 00-00 00 ff 55 00 01 00 00 |........ ...U....|
> 0130 00 00 00 ff 55 00 01 00-01 00 00 00 79 00 00 00 |....U... ....y...|
> 0140 00 fe 0c 00 01 00 01 00-00 00                   |........ ..|
>
> token.c:1958:col 11:
> token.c:1959:   column_name=[auto_increment]
> token.c:1965:   flags=30 utype=6 type=38 varint=1
> token.c:1968:   colsize=2 prec=0 scale=0
> token.c:1958:col 12:
> token.c:1959:   column_name=[local_type_name]
> token.c:1965:   flags=10 utype=2 type=39 varint=1
> token.c:1968:   colsize=128 prec=0 scale=0
> token.c:1958:col 13:
> token.c:1959:   column_name=[sql_data_type]
> token.c:1965:   flags=30 utype=6 type=38 varint=1
> token.c:1968:   colsize=2 prec=0 scale=0
> token.c:1958:col 14:
> token.c:1959:   column_name=[sql_datetime_sub]
> token.c:1965:   flags=30 utype=6 type=38 varint=1
> token.c:1968:   colsize=2 prec=0 scale=0
> token.c:1958:col 15:
> token.c:1959:   column_name=[num_prec_radix]
> token.c:1965:   flags=30 utype=6 type=38 varint=1
> token.c:1968:   colsize=2 prec=0 scale=0
> token.c:1958:col 16:
> token.c:1959:   column_name=[interval_precision]
> token.c:1965:   flags=30 utype=6 type=38 varint=1
> token.c:1968:   colsize=2 prec=0 scale=0
> util.c:156:Changed query state from READING to PENDING
> odbc.c:3534:odbc_process_tokens: tds_process_tokens returned 1
> odbc.c:3535:    result_type=4049, TDS_DONE_COUNT=0, TDS_DONE_ERROR=0
> odbc.c:3605:odbc_process_tokens: returning result_type 4049
> odbc.c:3374:_SQLExecute: odbc_process_tokens returned result_type 4049
> token.c:539:tds_process_tokens(0x84ce7e0, 0x7fff9a296ba4, 0x7fff9a296ba0, 
> 0x6914)
> util.c:156:Changed query state from PENDING to READING
> token.c:554:processing result tokens.  marker is  ae(CONTROL)
> token.c:122:tds_process_default_tokens() marker is ae(CONTROL)
> token.c:237:Eating CONTROL token
> token.c:554:processing result tokens.  marker is  ff(DONEINPROC)
> token.c:2461:tds_process_end: more_results = 1
>                was_cancelled = 0
>                error = 0
>                done_count_valid = 1
> token.c:2492:                rows_affected = 0
> util.c:156:Changed query state from READING to PENDING
> odbc.c:3534:odbc_process_tokens: tds_process_tokens returned 1
> odbc.c:3535:    result_type=4054, TDS_DONE_COUNT=10, TDS_DONE_ERROR=0
> odbc.c:3599:odbc_process_tokens: processed TDS_DONEINPROC_RESULT
> odbc.c:3374:_SQLExecute: odbc_process_tokens returned result_type 4054
> odbc.c:3935:SQLFetch(0x84ccc00)
> odbc.c:3671:_SQLFetch(0x84ccc00, 1, 0)
> token.c:539:tds_process_tokens(0x84ce7e0, 0x7fff9a296b74, 0x7fff9a296b70, 
> 0x6508)
> util.c:156:Changed query state from PENDING to READING
> token.c:554:processing result tokens.  marker is  ff(DONEINPROC)
> token.c:2461:tds_process_end: more_results = 1
>                was_cancelled = 0
>                error = 0
>                done_count_valid = 1
> token.c:2492:                rows_affected = 1
> util.c:156:Changed query state from READING to PENDING
> odbc.c:3534:odbc_process_tokens: tds_process_tokens returned 1
> odbc.c:3535:    result_type=4054, TDS_DONE_COUNT=10, TDS_DONE_ERROR=0
> odbc.c:3599:odbc_process_tokens: processed TDS_DONEINPROC_RESULT
> odbc.c:3803:SQLFetch: NO_DATA_FOUND
> odbc.c:5940:SQLGetTypeInfo(0x84ccc00, -2)
> odbc.c:3211:_SQLExecute(0x84ccc00)
> odbc.c:3216:_SQLExecute() starting with state 2
> error.c:412:odbc_errs_add: "Invalid cursor state"
> error.c:517:SQLGetDiagRec(3, 0x84ccc00, 1, 0x7fff9a296c50, 0x7fff9a296c6c, 
> 0x7fff9a296a50, 512, 0x7fff9a296c68)
> error.c:566:SQLGetDiagRec: "[FreeTDS][SQL Server]Invalid cursor state"
> error.c:517:SQLGetDiagRec(3, 0x84ccc00, 2, 0x7fff9a296c50, 0x7fff9a296c6c, 
> 0x7fff9a296a50, 512, 0x7fff9a296c68)
> odbc.c:1716:SQLAllocStmt(0x84ccda0, 0x84d7580)
> odbc.c:1615:_SQLAllocStmt(0x84ccda0, 0x84d7580)
> odbc.c:4154:SQLFreeStmt(0x84d6310, 0)
> odbc.c:4075:_SQLFreeStmt(0x84d6310, 0, 0)
> odbc.c:3463:SQLExecDirect(0x84d6310, 0x2b1610cc96b4, -3)
> prepare_query.c:203:parsing 0 parameters
> odbc.c:3211:_SQLExecute(0x84d6310)
> odbc.c:3216:_SQLExecute() starting with state 2
> error.c:412:odbc_errs_add: "Invalid cursor state"
> error.c:517:SQLGetDiagRec(3, 0x84d6310, 1, 0x7fff9a296d50, 0x7fff9a296d6c, 
> 0x7fff9a296b50, 512, 0x7fff9a296d68)
> error.c:566:SQLGetDiagRec: "[FreeTDS][SQL Server]Invalid cursor state"
> error.c:517:SQLGetDiagRec(3, 0x84d6310, 2, 0x7fff9a296d50, 0x7fff9a296d6c, 
> 0x7fff9a296b50, 512, 0x7fff9a296d68)
> error.c:517:SQLGetDiagRec(3, 0x84d6310, 1, 0x7fff9a296e90, 0x7fff9a296ea8, 
> 0x7fff9a296a90, 1023, 0x7fff9a296eae)
> error.c:566:SQLGetDiagRec: "[FreeTDS][SQL Server]Invalid cursor state"
>
>
> ----- End forwarded message -----
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>

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