I have updated an old system and I have a query problem.
To get to business this is the direct problem:
There are new records witch are associated with an id to other records. There are also old records which are not.
Case1 : there is a INT id and when that is present the query has to use AND after an include.
Case 2 : when the value of the INT id is 0 it has to do nothing
This is the part of the query where I need to make an variable AND statement:
LEFT JOIN table v ON v.producten_id = i.producten_id AND v.t5_id = i.t5_id AND i.id = v.inkoop_id
I never used IF stamens inside a query but i am looking for something like this:
LEFT JOIN table v ON v.producten_id = i.producten_id AND v.t5_id = i.t5_id if(v.inkoop_id > 0){AND i.id = v.inkoop_id}
Try this:
LEFT JOIN table v
ON v.producten_id = i.producten_id
AND v.t5_id = i.t5_id
AND (v.inkoop_id <= 0 OR i.id = v.inkoop_id)
How about this....
LEFT JOIN table v ON v.producten_id = i.producten_id
AND v.t5_id = i.t5_id
AND ((v.inkoop_id > 0 AND i.id = v.inkoop_id) OR (v.inkoop_id = 0))
Related
This my query in model:
return $this->db->join('tbl_customer', 'tbl_customer.cus_code = tbl_cus_account.custcode')
->where("status", 1)
->where("DATE_FORMAT(nextbillingdate,'%Y-%m') <= ", date('Y-m'))
->select('*,MAX(issuewithmain) AS issuewithmain, SUM(monthlyfee) AS monthlyfee, count(accountcode) as rows')
->group_by('custcode')
->get('tbl_cus_account');
The below are my table for join query:
-The result I want as the image below:
Your query can be something like this
SELECT t.*, t2.rows, t2.monthlyfee from tbl_cus_account t join (SELECT MAX(issuewithmain) AS issuewithmain, custcode, count(accountcode) as rows, SUM(monthlyfee) AS monthlyfee from tbl_cus_account JOIN tbl_customer ON tbl_customer.cus_code = tbl_cus_account.custcode where status = 1 AND DATE_FORMAT(nextbillingdate,"%Y-%m") <= DATE_FORMAT(now(),"%Y-%m") GROUP BY custcode) t2 on t.issuewithmain = t2.issuewithmain and t.custcode = t2.custcode
Here you made an extra join to the same table, to only get the exactly records that match with your max(issuewithmain)
You need to transform this query to codeigniter and add the conditions of the where to the corresponding table.
Maybe something like this, I haven't test it
UPDATE
return $this->db->join('(SELECT MAX(issuewithmain) AS issuewithmain, custcode, count(accountcode) as rows, SUM(monthlyfee) AS monthlyfee from tbl_cus_account where status = 1 AND DATE_FORMAT(nextbillingdate,"%Y-%m") <= "'.date('Y-m').'" GROUP BY custcode) t2', 'tbl_cus_account.issuewithmain = t2.issuewithmain AND t2.custcode = tbl_cus_account.custcode')->select('tbl_cus_account.*, t2.monthlyfee, t2.rows') ->join('tbl_customer', 'tbl_customer.cus_code = t2.custcode') ->group_by('t2.custcode') ->get('tbl_cus_account');
How can i replace table name in this query string with another string or table name with php
SELECT
Panel.Id as PanelId,Panel.Title as PanelTitle,Panel.Icon as PanelIcon,
SubPanel.Id as SubPanelId,SubPanel.Title as SubPanelTitle,
SubPanel.Icon as SubPanelIcon,SecurityAccess.Id as Access,SecurityAccess.Controller,
SecurityAccess.Action
FROM Panel
INNER JOIN SubPanel
INNER JOIN SecurityAccess
WHERE
Panel.Id > 0 AND SubPanel.Panel = Panel.Id AND SubPanel.Id = UsersAccess.Subpanel
and SubPanel.Id > 0
ORDER BY Panel._Order,SubPanel._Order
For example: replace "Panel" with "my_panel"
I do not want you to change my String.
Just use this string as it exists.
I hope this helps you..
$sql = "SELECT
$table_1.Id as PanelId, $table_1.Title as PanelTitle, $table_1.Icon as PanelIcon,
$table_2.Id as SubPanelId, $table_2.Title as SubPanelTitle,
$table_2.Icon as SubPanelIcon, $table_3.Id as Access, $table_3.Controller,
$table_3.Action
FROM $table_1
INNER JOIN $table_2
INNER JOIN $table_3
WHERE
$table_1.Id > 0 AND $table_2.Panel = $table_1.Id AND $table_2.Id = UsersAccess.Subpanel
and $table_2.Id > 0
ORDER BY $table_1._Order, $table_2._Order";
for your current query
it would be like..
$table_1 = "Panel";
$table_2 = "SubPanel";
$table_3 = "SecurityAccess";
If $table_ vars are user input than be careful to escape them before putting into query.
i'm in the process of joining two tables together under two different conditions. For primary example, lets say I have the following nested query:
$Query = $DB->prepare("SELECT ID, Name FROM modifications
WHERE TYPE =1 & WFAbility = '0'");
$Query->execute();
$Query->bind_result($Mod_ID,$Mod_Name);
and this query:
$Query= $DB->prepare("SELECT `ModID` from `wfabilities` WHERE `WFID`=?");
$Query->bind_param();
$Query->execute();
$Query->bind_result();
while ($Query->fetch()){ }
Basically, I want to select all the elements where type is equal to one and Ability is equal to 0, this is to be selected from the modifications table.
I further need to select all the IDs from wfabilities, but transform them into the names located in modifications where WFID is equal to the results from another query.
Here is my current semi-working code.
$Get_ID = $DB->prepare("SELECT ID FROM warframes WHERE Name=?");
$Get_ID->bind_param('s',$_GET['Frame']);
$Get_ID->execute();
$Get_ID->bind_result($FrameID);
$Get_ID->fetch();
$Get_ID->close();
echo $FrameID;
$WF_Abilties = $DB->prepare("SELECT ModID FROM `wfabilities` WHERE WFID=?");
$WF_Abilties->bind_param('i',$FrameID);
$WF_Abilties->execute();
$WF_Abilties->bind_result($ModID);
$Mod_IDArr = array();
while ($WF_Abilties->fetch()){
$Mod_IDArr[] = $ModID;
}
print_r($Mod_IDArr);
$Ability_Name = array();
foreach ($Mod_IDArr AS $AbilityMods){
$WF_AbName = $DB->prepare("SELECT `Name` FROM `modifications` WHERE ID=?");
$WF_AbName->bind_param('i',$AbilityMods);
$WF_AbName->execute();
$WF_AbName->bind_result($Mod_Name);
$WF_AbName->fetch();
$Ability_Name[] = $Mod_Name;
}
print_r($Ability_Name);
See below:
SELECT ModID,
ID,
Name
FROM modifications M
LEFT JOIN wfabilities WF
ON WF.ModID = M.ID
WHERE TYPE =1 & WFAbility = '0'
To do this, you need to join your tables, I'm not quite sure what you are trying to do so you might have to give me more info, but here is my guess.
SELECT ID, Name, ModID
FROM modifications
JOIN wfabilities
ON WFID = ID
WHERE TYPE = '1'
AND WFAbility = '0'
In this version I am connecting the tables when WFID is equal if ID. You will have to tell me exactly what is supposed to be hooking to what in your requirements.
To learn more about joins and what they do, check this page out: MySQL Join
Edit:
After looking at your larger structure, I can see that you can do this:
SELECT modifications.Name FROM modifications
JOIN wfabilities on wfabilities.ModID = modifications.ID
JOIN warframes on warframes.ID = wfabilities.WFID
WHERE warframes.Name = 'the name you want'
This query will get you an array of the ability_names from the warframes name.
This is the query:
"SELECT A.ID, A.Name,B.ModID,C.Name
FROM modifications as A
LEFT JOIN wfabilities as B ON A.ID = B.WFID
LEFT JOIN warframes as C ON C.ID = B.WFID
WHERE A.TYPE =1 AND A.WFAbility = '0' AND C.Name = ?"
I need to sum the transactions in tblgl (tblgl.SUM(InMonthActual)) for a selection of cost centres (tblgl.CostCentreCode) where the following conditions are met:
tblgl.PeriodNumber = 2
tblgl.CostCentreCode = tblcostcentrehierarchy.CostCentreCode
WHERE tblcostcentrehierarchy.Level7 = "RWK312 CORPORATE"
tblgl.CostCentreCode = tblcostcentreallocations.CostCentreCode
WHERE tblcostcentreallocations.Username = "jonest"
At the moment I'm running 3 separate queries to create an array which is used in the next query.
Is there a way to do it in one (maybe using JOIN)?
I hope this query will fetch your desire data. Check and let me know if it works for you.
SELECT SUM(tb1.`InMonthActual`)
FROM `tblgl` as tb1
JOIN `tblcostcentrehierarchy` as tb2 ON tb1.`CostCetntreCode` = tb2.`CostCentreCode`
JOIN `tblcostcentreallocations` as tb3 ON tb1.`CostCetntreCode` = tb3.`CostCentreCode`
WHERE tb1.`PeriodNumber` = '2' AND tb2.`Level17` = "RWK312 CORPORATE" AND tb3.`Username` = "jonest"
Give it a try
SELECT SUM(tblgl.InMonthActual) FROM tblgl
INNER JOIN tblcostcentrehierarchy ON (tblgl.CostCentreCode = tblcostcentrehierarchy.CostCentreCode AND tblgl.PeriodNumber = 2)
INNER JOIN tblcostcentreallocations ON (tblgl.CostCentreCode = tblcostcentreallocations.CostCentreCode)
WHERE tblcostcentreallocations.Username = "jonest" AND tblcostcentrehierarchy.Level7 = "RWK312 CORPORATE"
GROUP BY tblgl.InMonthActual
Hope it works fine
Fiddle with tables here
I'm using the following sql with the tables in the fiddle to check if a user has reached the borrowing limit. The problem here is, If an invalid item number were supplied it returns NULL, if a user has not borrowed any items, it returns NULL. This way, I cannot tell if a invalid item number were supplied or if a user actually has not borrowed any books. What would be a good way to check if a invalid item number was supplied or a member actually has not borrowed anything under that category?
set #mId = 3 //Has not borrowed anything till now.
set #id = 21; //This item does not appear in the collection_db table and is therefore invalid.
set #country = 'US';
SELECT col1.id, col1.holder, col2.borrowMax maxLimit, count(lend.borrowedId) as `count`
FROM collection_db col1
INNER JOIN collection_db col2
ON col1.holder = col2.id
INNER JOIN lendings lend
ON col1.holder = lend.holder and col1.country = lend.country
WHERE col1.id = #id and col1.country = #country
AND col2.category = 10
AND lend.memId = #mId and lend.country = #country
The furthest I could get with the one query is (had to take out php and "country" vars for fiddle to work):
SELECT col1.id, col1.holder, col2.borrowMax maxLimit, count(lend.borrowedId) as `count`
,case when valid1.id is not null then 'true' else 'false' end as validId
FROM collection_db col1
INNER JOIN collection_db col2
ON col1.holder = col2.id
INNER JOIN lendings lend
ON col1.holder = lend.holder,(
Select Distinct a.id From collection_db a
Where a.id = 4) valid1
WHERE col1.id = 4
AND col2.category = 10
AND lend.memId = 1
You may have to do a preparatory query checking for a valid memId:
$theQuery = "SELECT DISTINCT memId FROM lendings WHERE memId = 1"
Then test it here:
if (mysql_num_rows(mysql_query($theQuery)) <= 0) { /* No memId exists */ }
else { /* Do big query here */ }
You can use a tableA LEFT JOIN tableB, which will return results for the tableA even if tableB has no matches and will return NULL values for those in tableB.
Unfortunately, I can't quite figure out where you need LEFT JOINS, but probably you want them in both places.
You also might have to reorder the tables if it is the first table that should be on the right side of a LEFT JOIN. You could use a RIGHT JOIN but it is less readable to me.
maybe you should try "left join" if col1 do not have too much data,or do the query step by step