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changed query filter order but oracle should optimize anyway

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bintodec
2021-10-08 03:38:10 -04:00
parent 5c080afe49
commit cbabad739d
1 changed files with 6 additions and 6 deletions
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12
res.php
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@@ -62,7 +62,7 @@ if(!empty($_POST))
foreach ($search_arr as $item_type)
{
$item_type=str_replace("_","\\_",addslashes(trim($item_type)));
$search_type_query.=" and ( RESOURCE_CLASS like '%".$item_type."%' )";
$search_type_query.="( RESOURCE_CLASS like '%".$item_type."%' ) and ";
@@ -81,14 +81,14 @@ if(!empty($_POST))
//if no specific resources searched enable only_current
else
{
$only_current="and depleted_timestamp >= (select last_save_time from clock)";
$only_current="depleted_timestamp >= (select last_save_time from clock) and ";
$current=1;
}
if(isSet($_POST["current"]))
{
$only_current="and depleted_timestamp >= (select last_save_time from clock)";
$only_current="depleted_timestamp >= (select last_save_time from clock) and ";
$current=1;
}
@@ -107,8 +107,9 @@ if(!empty($_POST))
}
$query_order="select RESOURCE_ID, RESOURCE_NAME, RESOURCE_CLASS, ATTRIBUTES, FRACTAL_SEEDS , (DEPLETED_TIMESTAMP - (SELECT last_save_time FROM clock)) as DEPLETED_TIMESTAMP, substr(ATTRIBUTES, TO_NUMBER(instr(ATTRIBUTES,'".$sort_attribute." ') ) +".(strlen($sort_attribute)+1).") as first_part from resource_types where ATTRIBUTES like '%".$sort_attribute." %' ".$search_type_query." ".$only_current." order by TO_NUMBER(substr(first_part,0,TO_NUMBER(instr(first_part,':'))-1)) desc";
//TODO - find out which is faster, i suspect that filtering the class 1st on like is faster than attribute filter 1st cause some
// attributes are common to all, but oracle should do optimization anyway ...
$query_order="select RESOURCE_ID, RESOURCE_NAME, RESOURCE_CLASS, ATTRIBUTES, FRACTAL_SEEDS , (DEPLETED_TIMESTAMP - (SELECT last_save_time FROM clock)) as DEPLETED_TIMESTAMP, substr(ATTRIBUTES, TO_NUMBER(instr(ATTRIBUTES,'".$sort_attribute." ') ) +".(strlen($sort_attribute)+1).") as first_part from resource_types where ".$only_current." ".$search_type_query." ATTRIBUTES like '%".$sort_attribute." %' order by TO_NUMBER(substr(first_part,0,TO_NUMBER(instr(first_part,':'))-1)) desc";
//." OFFSET ".$offset." ROWS FETCH NEXT ".$limit." ROWS ONLY";
@@ -125,7 +126,6 @@ if(!$statement)
}
else
{
echo "<table cellpadding=\"20px\"><tr><td valign=\"top\">Chose your options: ";
include("form.php");
echo "</td><td>";