谁有db_library的资料或sample程序,100分

bigban 2002-07-08 01:39:30
帮帮忙,别告诉我程序在/sample下

bigban@cattsoft.com
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hjd_cw 2002-07-08
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当然在SAMPLE目录里,只不过你安装的时候选择了吗?
tiger7403 2002-07-08
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收到了吗?
tiger7403 2002-07-08
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收到了吗?
tiger7403 2002-07-08
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/*
** Confidential property of Sybase, Inc.
** (c) Copyright Sybase, Inc. 1992 to ???
** All rights reserved.
*/

/*
** example1.c: 87.1 12/29/93 19:05:56
**
**
**
*/
#if USE_SCCSID
static char Sccsid[] = {"@(#) example1.c 87.1 12/29/93"};
#endif /* USE_SCCSID */

/*
** example1.c
**
** This example illustrates how to send two queries to
** SQL Server in a command batch. It binds each set
** of results and prints the rows.
**
*/

#include <stdio.h>
#include <sybfront.h>
#include <sybdb.h>
#include "sybdbex.h"

#define DATELEN 26
#define TYPELEN 2

/* Forward declarations of the error handler and message handler. */
int CS_PUBLIC err_handler();
int CS_PUBLIC msg_handler();

main(argc, argv)
int argc;
char *argv[];
{
DBPROCESS *dbproc; /* Our connection with SQL Server. */
LOGINREC *login; /* Our login information. */

/* These are the variables used to store the returning data. */

DBCHAR crdate[DATELEN+1];
DBINT id;
DBCHAR name[DBMAXNAME+1]; /* DBMAXNAME is defined in
* "sybdb.h" as the maximum
* length for names of database
* objects, such as tables,
* columns, and procedures.
*/
DBCHAR type[TYPELEN+1];
RETCODE result_code;

printf("Demo of SQL queries in a command batch\n\n");
fflush(stdout);

/* Initialize DB-Library. */
if (dbinit() == FAIL)
exit(ERREXIT);

/* Install the user-supplied error-handling and message-handling
* routines. They are defined at the bottom of this source file.
*/
dberrhandle((EHANDLEFUNC)err_handler);
dbmsghandle((MHANDLEFUNC)msg_handler);

/*
** Get a LOGINREC structure and fill it with the necessary
** login information.
*/

login = dblogin();
DBSETLUSER(login, USER);
DBSETLPWD(login, PASSWORD);
DBSETLAPP(login, "example1");

/*
** Get a DBPROCESS structure for communicating with SQL Server.
** A NULL servername defaults to the server specified by DSQUERY.
*/

dbproc = dbopen(login, NULL);

/*
** We are going to retrieve some information, from a table
** named "sysobjects", regarding names of system tables and
** stored procedures.
** We will submit two queries. The first finds all the rows
** that describe system tables. The second finds all the rows
** that describe stored procedures. The program will only look
** at the first 10 rows that describe stored procedures.
*/

/* First, put the commands into the command buffer. */

dbcmd(dbproc, "select name, type, id, crdate from sysobjects");
dbcmd(dbproc, " where type = 'S' ");
dbcmd(dbproc, "select name, type, id, crdate from sysobjects");
dbcmd(dbproc, " where type = 'P' ");

/*
** Sql Server processes the command batch in the following
** order:
**
** 1) It will check for syntax errors (i.e., "use database pubs"
** is syntactically incorrect; it should be "use pubs").
** 2) The second check is a semantic check (i.e., "select * from
** titels" will be incorrect because the spelling should be
** "titles".)
** 3) The third check occurs in the actual execution phase. This
** check involves issues like permissions or memory problems.
**
** In the execution phase, dbsqlexec() and dbresults() can return
** the value "SUCCEED", which means there are more commands in the
** batch to process and that that command was successful. A value
** of "FAIL" means that the query failed but there may be more
** commands in the batch to process. A value of "NO_MORE_RESULTS"
** means that there are no more commands in the batch to process.
** Therefore, the programmer must check the return values after
** dbsqlexec() and dbresults(), as illustrated below.
**
*/

/* Send the commands to SQL Server and start execution. */
dbsqlexec(dbproc);

/* Process each command until there are no more. */

while ((result_code = dbresults(dbproc)) != NO_MORE_RESULTS)
{
if (result_code == SUCCEED)
{
/* Bind program variables. */

dbbind(dbproc, 1, NTBSTRINGBIND, (DBINT)0,
(BYTE DBFAR *)name);
dbbind(dbproc, 2, NTBSTRINGBIND, (DBINT)0,
(BYTE DBFAR *)type);
dbbind(dbproc, 3, INTBIND, (DBINT)0, (BYTE *)&id);
dbbind(dbproc, 4, NTBSTRINGBIND, (DBINT)0,
(BYTE DBFAR *)crdate);

/* Print appropriate header for the type of
* data coming back.
*/

printf("\n %s Objects: \n\n",
DBCURCMD(dbproc) == 1 ? "System Table": "Procedure");

/* Now print the rows. */

while (dbnextrow(dbproc) != NO_MORE_ROWS)
{
/*
** If this is the 2nd command and
** 10th row, flush the rest of the
** rows for that command.
*/

if ((DBCURCMD(dbproc) == 2)
&& (DBCURROW(dbproc) > 10))
continue;

printf
("%s %s %ld %s\n", name, type, id, crdate);
}
}
}


/* Close our connection and exit the program. */

dbexit();
exit(STDEXIT);
}

int CS_PUBLIC err_handler(dbproc, severity, dberr, oserr, dberrstr, oserrstr)
DBPROCESS *dbproc;
int severity;
int dberr;
int oserr;
char *dberrstr;
char *oserrstr;
{
if ((dbproc == NULL) || (DBDEAD(dbproc)))
return(INT_EXIT);
else
{
fprintf (ERR_CH, "DB-Library error:\n\t%s\n", dberrstr);

if (oserr != DBNOERR)
fprintf (ERR_CH, "Operating-system error:\n\t%s\n", oserrstr);

return(INT_CANCEL);
}
}

int CS_PUBLIC msg_handler(dbproc, msgno, msgstate, severity, msgtext,
srvname, procname, line)

DBPROCESS *dbproc;
DBINT msgno;
int msgstate;
int severity;
char *msgtext;
char *srvname;
char *procname;
int line;

{
fprintf (ERR_CH, "Msg %ld, Level %d, State %d\n",
msgno, severity, msgstate);

if (strlen(srvname) > 0)
fprintf (ERR_CH, "Server '%s', ", srvname);
if (strlen(procname) > 0)
fprintf (ERR_CH, "Procedure '%s', ", procname);
if (line > 0)
fprintf (ERR_CH, "Line %d", line);

fprintf (ERR_CH, "\n\t%s\n", msgtext);

return(0);
}

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