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- /*
- * Program type: Embedded Static SQL
- *
- * Description:
- * This program updates a blob data type.
- * Project descriptions are added for a set of projects.
- */
-
- #include "example.h"
- #include <stdlib.h>
- #include <string.h>
- #include <stdio.h>
-
- char *get_line PROTO((void));
-
- static char *Proj_data[] =
- {
- "VBASE",
- "Design a video data base management system for ",
- "controlling on-demand video distribution.",
- 0,
- "DGPII",
- "Develop second generation digital pizza maker ",
- "with flash-bake heating element and ",
- "digital ingredient measuring system.",
- 0,
- "GUIDE",
- "Develop a prototype for the automobile version of ",
- "the hand-held map browsing device.",
- 0,
- "MAPDB",
- "Port the map browsing database software to run ",
- "on the automobile model.",
- 0,
- "HWRII",
- "Integrate the hand-writing recognition module into the ",
- "universal language translator.",
- 0,
- 0
- };
- int Inp_ptr = 0;
-
- EXEC SQL
- BEGIN DECLARE SECTION;
- EXEC SQL
- END DECLARE SECTION;
-
-
- int main PROTO((void))
- {
- BASED_ON project.proj_id proj_id;
- ISC_QUAD blob_id;
- int len;
- char ISC_FAR * line;
- int rec_cnt = 0;
-
- EXEC SQL
- WHENEVER SQLERROR GO TO Error;
-
- /* Declare a blob insert cursor. */
- EXEC SQL
- DECLARE bc CURSOR FOR
- INSERT BLOB proj_desc INTO project;
-
- /*
- * Get the next project id and update the project description.
- */
- line = get_line();
- while (line)
- {
- /* Open the blob cursor. */
- EXEC SQL
- OPEN bc INTO :blob_id;
-
- strcpy(proj_id, line);
- printf("\nUpdating description for project: %s\n\n", proj_id);
-
- /* Get a project description segment. */
- line = get_line();
- while (line)
- {
- printf(" Inserting segment: %s\n", line);
-
- /* Calculate the length of the segment. */
- len = strlen(line);
-
- /* Write the segment. */
- EXEC SQL INSERT CURSOR bc VALUES (:line INDICATOR :len);
- line = get_line();
- }
-
- /* Close the blob cursor. */
- EXEC SQL
- CLOSE bc;
-
- /* Save the blob id in the project record. */
- EXEC SQL
- UPDATE project
- SET proj_desc = :blob_id
- WHERE proj_id = :proj_id;
-
- if (SQLCODE == 0L)
- rec_cnt++;
- else
- printf("Input error -- no project record with key: %s\n", proj_id);
- line = get_line();
- }
-
- EXEC SQL
- COMMIT RELEASE;
-
- printf("\n\nAdded %d project descriptions.\n", rec_cnt);
- return 0;
-
- Error:
- isc_print_sqlerror((short) SQLCODE, isc_status);
- return 1;
- }
-
-
- /*
- * Get the next input line, which is either a project id
- * or a project description segment.
- */
- char *get_line PROTO((void))
- {
- return Proj_data[Inp_ptr++];
- }
-
-