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Re: [freetds] Invalid cursor state when executing 2 SELECTstatements
- From: Sebastien FLAESCH <sf AT 4js.com>
- To: FreeTDS Development Group <freetds AT lists.ibiblio.org>
- Subject: Re: [freetds] Invalid cursor state when executing 2 SELECTstatements
- Date: Thu, 03 Jan 2008 15:09:31 +0100
Hi all and happy new year.
Just started to play again with the latest snapshot.
I believe there is a problem when binding SQL_C_TYPE_TIMESTAMP +
SQL_TYPE_TIMESTAMP parameters.
Looking at the SQL Profiler output, I see that values are enclosed in
duplicated quotes:
''2008-01-03 00:00:00.000''
I guess it should be:
'2008-01-03 00:00:00.000'
Attached an ODBC sample to reproduce.
Note that even if the '' duplicated quotes are replaced by a singular quote,
I still get an error
when executed the sp_cursoropen text by hand (copied from the Profiler
output):
Msg 137, Level 15. State 2, Line 1
Must declare the scalar variable "@P1".
Note also that SQL_TYPE_TIMESTAMP params must be bound with a precision of 23
with SQL Server ODBC.
See example.
Yours,
Seb
James K. Lowden wrote:
ZIGLIO, Frediano, VF-IT wrote:
First, thanks a lot for looking at this cursor issue!I just committed a patch to CVS... all tests you sent me are
incorporated and working as expected!
Hooray! I think I can see the fireworks from here. Nice work, and quick!
Sebastien, please let us hear back from you as to how well the current
snapshot works for you. I feel a release coming on.
--jkl
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/* Testing TIMESTAMP parameter binding */
static const char * g_dbname = "msvtest1_nc";
static const char * g_usernm = "msvuser";
static const char * g_passwd = "fourjs";
#ifdef _WIN32
#include <WINDOWS.H>
#endif
#include <stdio.h>
#include <sql.h>
#include <sqlext.h>
static SQLHENV m_henv;
static SQLHDBC m_hdbc;
#define CHECK_RCODE(t,h,m) \
if ( rcode != SQL_NO_DATA \
&& rcode != SQL_SUCCESS \
&& rcode != SQL_SUCCESS_WITH_INFO \
&& rcode != SQL_NEED_DATA ) { \
fprintf(stderr,"Error %d at: %s\n",rcode,m); \
getErrorInfo(t,h); \
exit(1); \
}
void getErrorInfo(SQLSMALLINT sqlhdltype, SQLHANDLE sqlhandle)
{
SQLRETURN rcode = 0;
SQLCHAR sqlstate[SQL_SQLSTATE_SIZE + 1];
SQLINTEGER naterror = 0;
SQLCHAR msgtext[SQL_MAX_MESSAGE_LENGTH + 1];
SQLSMALLINT msgtextl = 0;
int ifxerror = 0;
rcode = SQLGetDiagRec((SQLSMALLINT) sqlhdltype,
(SQLHANDLE) sqlhandle,
(SQLSMALLINT) 1,
(SQLCHAR *) sqlstate,
(SQLINTEGER *) & naterror,
(SQLCHAR *) msgtext,
(SQLSMALLINT) sizeof(msgtext),
(SQLSMALLINT *) & msgtextl);
fprintf(stderr, "Diagnostic info:\n");
fprintf(stderr, " SQL State: %s\n", (char *) sqlstate);
fprintf(stderr, " SQL code : %d\n", (int) naterror);
fprintf(stderr, " Message : %s\n", (char *) msgtext);
}
void exec_direct(int check, const char * stmt)
{
SQLRETURN rcode;
SQLHSTMT stmth = 0;
rcode = SQLAllocHandle(SQL_HANDLE_STMT, (SQLHANDLE) m_hdbc, (SQLHANDLE *) & stmth);
CHECK_RCODE(SQL_HANDLE_STMT,stmth,"SQLAllocHandle");
rcode = SQLExecDirect(stmth, (SQLCHAR *) stmt, SQL_NTS);
if (check) {
CHECK_RCODE(SQL_HANDLE_STMT,stmth,"SQLExecDirect");
}
rcode = SQLFreeHandle(SQL_HANDLE_STMT, (SQLHANDLE) stmth);
CHECK_RCODE(SQL_HANDLE_STMT,stmth,"SQLFreeHandle");
}
main(int argc,char **argv)
{
SQLRETURN rcode;
SQLHSTMT m_hstmt1;
const char * dbname;
const char * usernm;
const char * passwd;
TIMESTAMP_STRUCT v_ts; SQLINTEGER v_ts_ind;
if (argc == 4) {
dbname = argv[1];
usernm = argv[2];
passwd = argv[3];
} else {
dbname = g_dbname;
usernm = g_usernm;
passwd = g_passwd;
}
rcode = SQLAllocHandle(SQL_HANDLE_ENV, SQL_NULL_HANDLE, &m_henv);
CHECK_RCODE(SQL_HANDLE_ENV,NULL,"SQLAllocHandle EnvH");
rcode = SQLSetEnvAttr(m_henv, SQL_ATTR_ODBC_VERSION, (SQLPOINTER) SQL_OV_ODBC3, SQL_IS_UINTEGER);
CHECK_RCODE(SQL_HANDLE_ENV,m_henv,"ODBC V3");
m_hdbc = 0;
rcode = SQLAllocHandle(SQL_HANDLE_DBC, (SQLHANDLE) m_henv, (SQLHANDLE *) &m_hdbc);
CHECK_RCODE(SQL_HANDLE_ENV,m_henv,"SQLAllocHandle DbcH");
rcode = SQLConnect((SQLHANDLE) m_hdbc,
(SQLCHAR *) dbname,
(SQLINTEGER) SQL_NTS,
(SQLCHAR *) usernm,
(SQLINTEGER) SQL_NTS,
(SQLCHAR *) passwd,
(SQLINTEGER) SQL_NTS);
CHECK_RCODE(SQL_HANDLE_DBC,m_hdbc,"SQLConnect");
exec_direct(0, "DROP TABLE t1");
exec_direct(1, "CREATE TABLE t1 ( k INT, ts DATETIME )");
m_hstmt1 = NULL;
rcode = SQLAllocHandle(SQL_HANDLE_STMT, m_hdbc, &m_hstmt1);
CHECK_RCODE(SQL_HANDLE_DBC,m_hdbc,"SQLAllocHandle 1");
rcode = SQLSetStmtAttr(m_hstmt1, SQL_ATTR_CURSOR_SCROLLABLE,
(SQLPOINTER) SQL_NONSCROLLABLE, SQL_IS_UINTEGER);
CHECK_RCODE(SQL_HANDLE_STMT,m_hstmt1,"SQLSetStmtAttr SQL_ATTR_CURSOR_SCROLLABLE");
rcode = SQLSetStmtAttr(m_hstmt1, SQL_ATTR_CURSOR_SENSITIVITY,
(SQLPOINTER) SQL_SENSITIVE, SQL_IS_UINTEGER);
CHECK_RCODE(SQL_HANDLE_STMT,m_hstmt1,"SQLSetStmtAttr SQL_ATTR_CURSOR_SENSITIVITY");
rcode = SQLPrepare(m_hstmt1, "INSERT INTO t1 VALUES (1, ?)", SQL_NTS);
CHECK_RCODE(SQL_HANDLE_STMT,m_hstmt1,"SQLPrepare 1");
rcode = SQLBindParameter(m_hstmt1, 1, SQL_PARAM_INPUT,
SQL_C_TYPE_TIMESTAMP, SQL_TYPE_TIMESTAMP, 23, 0,
&v_ts, 0, &v_ts_ind);
CHECK_RCODE(SQL_HANDLE_STMT,m_hstmt1,"SQLBindParameter 1");
v_ts.year = 2008;
v_ts.month = 1;
v_ts.day = 3;
v_ts.hour = 11;
v_ts.minute = 22;
v_ts.second = 33;
v_ts.fraction = 123456;
v_ts_ind = 0;
rcode = SQLExecute(m_hstmt1);
CHECK_RCODE(SQL_HANDLE_STMT,m_hstmt1,"SQLExecute 1");
rcode = SQLFreeHandle(SQL_HANDLE_STMT, (SQLHANDLE) m_hstmt1);
CHECK_RCODE(SQL_HANDLE_STMT,m_hstmt1,"SQLFreeHandle StmtH");
rcode = SQLDisconnect(m_hdbc);
CHECK_RCODE(SQL_HANDLE_DBC,m_hdbc,"SQLDisconnect");
rcode = SQLFreeHandle(SQL_HANDLE_DBC, (SQLHANDLE) m_hdbc);
CHECK_RCODE(SQL_HANDLE_DBC,m_hdbc,"SQLFreeHandle DbcH");
rcode = SQLFreeHandle(SQL_HANDLE_ENV, (SQLHANDLE) m_henv);
CHECK_RCODE(SQL_HANDLE_ENV,m_henv,"SQLFreeHandle EnvH");
}
-
Re: [freetds] Invalid cursor state when executing 2 SELECTstatements,
Sebastien FLAESCH, 01/03/2008
-
Re: [freetds] Invalid cursor state when executing 2 SELECTstatements,
Frediano Ziglio, 01/05/2008
-
Re: [freetds] Invalid cursor state when executing 2 SELECTstatements,
Sebastien FLAESCH, 01/06/2008
-
Re: [freetds] Invalid cursor state when executing 2 SELECTstatements,
Frediano Ziglio, 01/06/2008
-
Re: [freetds] Invalid cursor state when executing 2 SELECTstatements,
Sebastien FLAESCH, 01/07/2008
-
Re: [freetds] Invalid cursor state when executing 2 SELECTstatements,
ZIGLIO, Frediano, VF-IT, 01/07/2008
- Re: [freetds] Invalid cursor state when executing 2 SELECTstatements, Sebastien FLAESCH, 01/07/2008
-
Re: [freetds] Invalid cursor state when executing 2 SELECTstatements,
ZIGLIO, Frediano, VF-IT, 01/07/2008
-
Re: [freetds] Invalid cursor state when executing 2 SELECTstatements,
Sebastien FLAESCH, 01/07/2008
-
Re: [freetds] Invalid cursor state when executing 2 SELECTstatements,
Frediano Ziglio, 01/06/2008
-
Re: [freetds] Invalid cursor state when executing 2 SELECTstatements,
Sebastien FLAESCH, 01/06/2008
-
Re: [freetds] Invalid cursor state when executing 2 SELECTstatements,
Frediano Ziglio, 01/05/2008
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