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- /*
- * Program type: Embedded Static SQL
- *
- * Description:
- * This program selects a blob data type.
- * A set of project descriptions is printed.
- * 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) 2000 Inprise Corporation
- * All Rights Reserved.
- * Contributor(s): ______________________________________.
- */
-
- #include "example.h"
- #include <stdlib.h>
- #include <stdio.h>
-
- EXEC SQL
- BEGIN DECLARE SECTION;
-
- BASED ON project.proj_name proj_name;
- BASED ON project.product prod_type;
-
- BASED ON project.proj_desc blob_id;
- BASED ON project.proj_desc.SEGMENT blob_segment;
- unsigned short blob_seg_len;
-
- EXEC SQL
- END DECLARE SECTION;
-
-
- int main (void)
- {
- EXEC SQL
- WHENEVER SQLERROR GO TO Error;
-
- /* Declare a table read cursor. */
- EXEC SQL
- DECLARE proj_cur CURSOR FOR
- SELECT proj_name, proj_desc, product
- FROM project
- WHERE product IN ('software', 'hardware', 'other')
- ORDER BY proj_name;
-
- /* Declare a blob read cursor. */
- EXEC SQL
- DECLARE blob_cur CURSOR FOR
- READ BLOB proj_desc
- FROM project;
-
- /* Open the table cursor. */
- EXEC SQL
- OPEN proj_cur;
-
- /*
- * For each project get and display project description.
- */
-
- while (SQLCODE == 0)
- {
- /* Fetch the blob id along with some other columns. */
- EXEC SQL
- FETCH proj_cur INTO :proj_name, :blob_id, :prod_type;
-
- if (SQLCODE == 100)
- break;
-
- printf("\nPROJECT: %-30s TYPE: %-15s\n\n", proj_name, prod_type);
-
- /* Open the blob cursor. */
- EXEC SQL
- OPEN blob_cur USING :blob_id;
-
- while (SQLCODE == 0)
- {
- /* Fetch a blob segment and a blob segment length. */
- EXEC SQL FETCH blob_cur INTO :blob_segment :blob_seg_len;
-
- if (SQLCODE == 100)
- break;
-
- printf(" %*.*s\n", blob_seg_len, blob_seg_len, blob_segment);
- }
- printf("\n");
-
- /* Close the blob cursor. */
- EXEC SQL
- CLOSE blob_cur;
- }
-
- EXEC SQL
- CLOSE proj_cur;
-
- EXEC SQL
- COMMIT;
-
- return 0;
-
- Error:
- isc_print_sqlerror((short) SQLCODE, gds__status);
- return 1;
- }
-
-