proc的update操作

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*功能：proc的update操作

*源文件：update.pc

#include<stdio.h>
#include<unistd.h>
#include<stdlib.h>

EXEC SQL INCLUDE SQLCA;

EXEC SQL BEGIN DECLARE SECTION;
char db_name[25] = "dbname";
EXEC SQL END DECLARE SECTION;

void errorHandle(char *sm)
{
char buf[1024];
long bufLen,msgLen,fc;

sprintf(buf, "执行数据库操作(%s)失败, ORA ERROR:%.70s, SQLCA.SQLCODE=%d", sm, sqlca.sqlerrm.sqlerrmc, sqlca.sqlcode);

    printf("%s/n", buf);
    EXEC SQL WHENEVER SQLERROR CONTINUE;
    EXEC SQL AT :db_name ROLLBACK WORK;

return;
}

void connect()
{
    EXEC SQL BEGIN DECLARE SECTION;
    char connString[25] = "nmc/nmc@atest_229";
    EXEC SQL END DECLARE SECTION;

EXEC SQL WHENEVER SQLERROR DO errorHandle("Connect Database");
EXEC SQL AT :db_name CONNECT :connString;
}

void disconnect()
{
EXEC SQL WHENEVER SQLERROR DO errorHandle("Disconnect Database");
EXEC SQL AT :db_name COMMIT WORK RELEASE;
}

void update()
{
    EXEC SQL BEGIN DECLARE SECTION;
        int sysid = 142857;
    EXEC SQL END DECLARE SECTION;

    EXEC SQL WHENEVER SQLERROR DO errorHandle("update object_ex error");
    EXEC SQL AT :db_name UPDATE object_ex
    SET sys_int_id = :sysid
    WHERE int_id = 10;
    EXEC SQL AT :db_name COMMIT WORK;

printf("insert database ok/n");
}

int main()
{
    connect();
    printf("Connect database ok/n");
    update();
    disconnect();
    printf("Disconnect database ok/n");
    return 0;
}