更新資料結構 (模組更新)

市場攤販管理，更改資料表結構

function xoops_module_update_ugm_market(&$module, $old_version) {
    GLOBAL $xoopsDB;
    if(!chk_ugm1()) go_ugm1();   # ---- 更改結構為 `e_last` -> DECIMAL( 10, 2 )
    if(!chk_ugm2()) go_ugm2();   # ---- 更改結構為 `e_now` -> DECIMAL( 10, 2 )
    return true;
}

# -------------------- ugm --------------------------------------------------*/

# ---- 更改結構 ugm_market_utility_main  `e_last`  120->130----
function chk_ugm1(){
 global $xoopsDB;
  $sql="select `e_last` from ".$xoopsDB->prefix("ugm_market_utility_main")."";
  $result = $xoopsDB->query($sql) or redirect_header($_SERVER['PHP_SELF'],3, mysql_error());
  if(mysql_field_type($result,0)=='int')return false ;
  return true;
}
function go_ugm1(){
 global $xoopsDB;
 $sql="ALTER TABLE ".$xoopsDB->prefix("ugm_market_utility_main")." CHANGE `e_last` `e_last` DECIMAL( 10, 2 ) UNSIGNED NOT NULL COMMENT '上期用電度數'";
 $xoopsDB->queryF($sql) or redirect_header($_SERVER['PHP_SELF'],3, mysql_error());
 return true;
}
# -----------------------------------------
# ---- 更改結構 ugm_market_utility_main  `e_now`  120->130-----
function chk_ugm2(){
 global $xoopsDB;
  $sql="select `e_now` from ".$xoopsDB->prefix("ugm_market_utility_main")."";
  $result = $xoopsDB->query($sql) or redirect_header($_SERVER['PHP_SELF'],3, mysql_error());
  if(mysql_field_type($result,0)=='int')return false ;
  return true;
}
function go_ugm2(){
 global $xoopsDB;
 $sql="ALTER TABLE ".$xoopsDB->prefix("ugm_market_utility_main")." CHANGE `e_now` `e_now` DECIMAL( 10, 2 ) UNSIGNED NOT NULL COMMENT '本期用電度數'";
 $xoopsDB->queryF($sql) or redirect_header($_SERVER['PHP_SELF'],3, mysql_error());
 return true;
}
# -----------------------------------------