ProC中將select出的數據放在二維數組中

1512阅读 0评论2009-03-30 libin1983
分类:Oracle

例子如下:

#define MAX_ROWCOUNT 1000

EXEC SQL BEGIN DECLARE SECTION;
    int iMaxRowCount = MAX_ROWCOUNT;
    char name_list [MAX_ROWCOUNT +1][NAME_LEN +1]="\0";
    char vv_name [NAME_LEN +1]="\0";
EXEC SQL END DECLARE SECTION;

memset(name_list, 0, sizeof(name_list));

EXEC SQL
  select name into :name_list from tab_student where rownum < :iMaxRowCount;
// 判斷sql是否執行成功


...

//sqlerrd[2] - Numbers of rows processed by the most recent SQL statement.
for(int i = 0; i < sqlca.sqlerrd[2]; i++)
{
    memset(vv_name);
    snprintf(vv_name, sizeof(vv_name), "%s", name_list);
    rtrim(vv_name); //刪除末尾空格

    do_something(vv_name);
};



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