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/*
* Program type: API Interface
*
* Description:
* This program uses a filter to display a blob data type.
* Job descriptions are read through a filter, which formats
* the text into 40-character-wide paragraphs.
*
* IMPORTANT NOTE!
* The server side file, api9f.c, must have been compiled
* and linked and must be running on the server before
* this example can be run.
* The contents of this file are subject to the Interbase Public
* License Version 1.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy
* of the License at http://www.Inprise.com/IPL.html
*
* Software distributed under the License is distributed on an
* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
* or implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code was created by Inprise Corporation
* and its predecessors. Portions created by Inprise Corporation are
* Copyright (C) Inprise Corporation.
*
* All Rights Reserved.
* Contributor(s): ______________________________________.
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <ibase.h>
#include "example.h"
#define COUNTRYLEN 15
#define CODELEN 5
char *sel_str =
"SELECT job_requirement, job_code, job_grade, job_country \
FROM job WHERE job_code = 'SRep'";
/* Blob parameter buffer. */
char bpb[] = {1,2,2,-4,-1,1,2,1,0};
int main (int argc, char** argv)
{
char job_code[CODELEN + 2];
short job_grade;
char job_country[COUNTRYLEN + 2];
short flag0 = 0, flag1 = 0,
flag2 = 0, flag3 = 0;
ISC_QUAD blob_id;
isc_blob_handle blob_handle = NULL;
short blob_seg_len;
char blob_segment[401];
isc_db_handle DB = NULL;
isc_tr_handle trans = NULL;
ISC_STATUS_ARRAY status;
isc_stmt_handle stmt = NULL;
XSQLDA * sqlda;
long fetch_stat;
char empdb[128];
if (argc > 1)
strcpy(empdb, argv[1]);
else
strcpy(empdb, "employee.fdb");
if (isc_attach_database(status, 0, empdb, &DB, 0, NULL))
{
ERREXIT(status, 1)
}
if (isc_start_transaction(status, &trans, 1, &DB, 0, NULL))
{
ERREXIT(status, 1)
}
/*
* Allocate and prepare the select statement.
*/
if (isc_dsql_allocate_statement(status, &DB, &stmt))
{
ERREXIT(status, 1)
}
sqlda = (XSQLDA *) malloc(XSQLDA_LENGTH(4));
sqlda->sqln = 4;
sqlda->version = 1;
if (isc_dsql_prepare(status, &trans, &stmt, 0, sel_str, 1, sqlda))
{
ERREXIT(status, 1)
}
sqlda->sqlvar[0].sqldata = (char *) &blob_id;
sqlda->sqlvar[0].sqltype = SQL_BLOB + 1;
sqlda->sqlvar[0].sqlind = &flag0;
sqlda->sqlvar[1].sqldata = (char *) job_code;
sqlda->sqlvar[1].sqltype = SQL_TEXT + 1;
sqlda->sqlvar[1].sqlind = &flag1;
sqlda->sqlvar[2].sqldata = (char *) &job_grade;
sqlda->sqlvar[2].sqltype = SQL_SHORT + 1;
sqlda->sqlvar[2].sqlind = &flag2;
sqlda->sqlvar[3].sqldata = (char *) job_country;
sqlda->sqlvar[3].sqltype = SQL_TEXT + 1;
sqlda->sqlvar[3].sqlind = &flag3;
if (isc_dsql_execute(status, &trans, &stmt, 1, NULL))
{
ERREXIT(status, 1)
}
/*
* Display job descriptions.
*/
while ((fetch_stat = isc_dsql_fetch(status, &stmt, 1, sqlda)) == 0)
{
job_code[CODELEN] = '\0';
job_country[COUNTRYLEN] = '\0';
printf("\nJOB CODE: %5s GRADE: %d", job_code, job_grade);
printf(" COUNTRY: %-20s\n\n", job_country);
/* Open the blob with the fetched blob_id. */
if (isc_open_blob2(status, &DB, &trans, &blob_handle, &blob_id, 9, bpb))
{
ERREXIT(status, 1)
}
/* Get blob segments and their lengths and print each segment. */
while (isc_get_segment(status, &blob_handle,
(unsigned short *) &blob_seg_len, sizeof(blob_segment),
blob_segment) == 0)
printf(" %*.*s", blob_seg_len, blob_seg_len, blob_segment);
/* Close the blob. */
if (status[1] == isc_segstr_eof)
{
if (isc_close_blob(status, &blob_handle))
{
ERREXIT(status, 1)
}
}
else
isc_print_status(status);
printf("\n");
}
if (fetch_stat != 100L)
isc_print_status(status);
if (isc_dsql_free_statement(status, &stmt, DSQL_drop))
{
ERREXIT(status, 1)
}
if (isc_commit_transaction(status, &trans))
{
ERREXIT(status, 1)
}
if (isc_detach_database(status, &DB))
{
ERREXIT(status, 1)
}
free(sqlda);
return 0;
}
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