/**************************************************************************** ** (c) Copyright IBM Corp. 2007 All rights reserved. ** ** The following sample of source code ("Sample") is owned by International ** Business Machines Corporation or one of its subsidiaries ("IBM") and is ** copyrighted and licensed, not sold. You may use, copy, modify, and ** distribute the Sample in any form without payment to IBM, for the purpose of ** assisting you in the development of your applications. ** ** The Sample code is provided to you on an "AS IS" basis, without warranty of ** any kind. IBM HEREBY EXPRESSLY DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR ** IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF ** MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Some jurisdictions do ** not allow for the exclusion or limitation of implied warranties, so the above ** limitations or exclusions may not apply to you. IBM shall not be liable for ** any damages you suffer as a result of using, copying, modifying or ** distributing the Sample, even if IBM has been advised of the possibility of ** such damages. ***************************************************************************** ** ** SOURCE FILE NAME: rsultset.c ** ** SAMPLE: To call the MEDIAN_RESULT_SET SQL procedure ** ** The program demonstrates how to return a result set from a stored ** procedure. ** ** CLI FUNCTIONS USED: ** SQLAllocHandle -- Allocate Handle ** SQLPrepare -- Prepare a Statement ** SQLBindParameter -- Bind a Parameter Marker to a Buffer or ** LOB locator ** SQLExecute -- Execute a Statement ** SQLMoreResults -- Determine if There Are More Result Sets ** SQLFreeHandle -- Free Handle Resources ** SQLEndTran -- End Transactions of a Connection ** SQLDisconnect -- Disconnect from a Data Source ** ** ***************************************************************************** ** ** For more information on the sample programs, see the README file. ** ** For information on creating SQL procedures, see the Developing SQL and External Routines book. ** ** For information on developing CLI applications, see the CLI Guide ** and Reference. ** ** For the latest information on programming, building, and running DB2 ** applications, visit the DB2 Information Center: ** http://publib.boulder.ibm.com/infocenter/db2luw/v9r7/index.jsp ****************************************************************************/ #include <stdio.h> #include <string.h> #include <stdlib.h> #include <sqlcli1.h> #include "utilcli.h" /* Header file for CLI sample code */ int main( int argc, char * argv[] ) { SQLRETURN cliRC = SQL_SUCCESS; int rc = 0; int count = 1; SQLHANDLE henv; /* environment handle */ SQLHANDLE hdbc; /* connection handle */ SQLHANDLE hstmt; /* statement handle */ SQLINTEGER outSqlrc; SQLDOUBLE medianSalary = 0; SQLSMALLINT numCols; SQLCHAR outName[40]; SQLCHAR outJob[10]; char procName[] = "MEDIAN_RESULT_SET"; SQLCHAR *stmt = (SQLCHAR *) "CALL MEDIAN_RESULT_SET (?)"; char dbAlias[SQL_MAX_DSN_LENGTH + 1]; char user[MAX_UID_LENGTH + 1]; char pswd[MAX_PWD_LENGTH + 1]; char language[9]; /* check the command line arguments */ rc = CmdLineArgsCheck1(argc, argv, dbAlias, user, pswd); if (rc != 0) { return rc; } /* initialize the CLI application by calling a helper utility function defined in utilcli.c */ rc = CLIAppInit(dbAlias, user, pswd, &henv, &hdbc, (SQLPOINTER)SQL_AUTOCOMMIT_OFF); if (rc != 0) { return rc; } printf("\nHOW TO CALL AN SQL STORED PROCEDURE."); /* allocate a statement handle */ cliRC = SQLAllocHandle(SQL_HANDLE_STMT, hdbc, &hstmt); DBC_HANDLE_CHECK(hdbc, cliRC); /* prepare the statement */ cliRC = SQLPrepare(hstmt, stmt, SQL_NTS); STMT_HANDLE_CHECK(hstmt, hdbc, cliRC); /* bind parameter 1 to the statement */ cliRC = SQLBindParameter(hstmt, 1, SQL_PARAM_OUTPUT, SQL_C_DOUBLE, SQL_DOUBLE, 0, 0, &medianSalary, 0, NULL); STMT_HANDLE_CHECK(hstmt, hdbc, cliRC); /* execute the statement */ cliRC = SQLExecute(hstmt); STMT_HANDLE_CHECK(hstmt, hdbc, cliRC); printf("\n\nMedian salary: %.2f", medianSalary); do { printf("\n\nReturning result set #%d:\n", count); cliRC = StmtResultPrint(hstmt, hdbc); DBC_HANDLE_CHECK( hdbc, cliRC ); count++; } while (SQLMoreResults(hstmt) == SQL_SUCCESS); /* free the statement handles */ cliRC = SQLFreeHandle(SQL_HANDLE_STMT, hstmt); STMT_HANDLE_CHECK(hstmt, hdbc, cliRC); /* end transactions on the connection */ cliRC = SQLEndTran(SQL_HANDLE_DBC, hdbc, SQL_ROLLBACK); DBC_HANDLE_CHECK(hdbc, cliRC); /* terminate the CLI application by calling a helper utility function defined in utilcli.c */ rc = CLIAppTerm(&henv, &hdbc, dbAlias); return rc; } /* end main */