mySql combine two SELECT queries with JOIN - php

Question

I have two mySql queries to get result from databases. I am trying to join them together.
Query 1:
SELECT userEwallets.id as ewalletId, users.id as userId , money_repositories.money as money, a.nestedUserId
FROM userEwallets
JOIN users ON users.id = userEwallets.userId
JOIN money_repositories ON userEwallets.id = money_repositories.ewalletId
WHERE ewalletNumber = 'SHIRR937303656'
Query 2:
SELECT nested.id as nestedUserId
FROM userEwallets as nested
JOIN users ON users.id = nested.userId
JOIN money_repositories ON nested.id = money_repositories.ewalletId
WHERE ewalletNumber = 'SHIRR9122331743'
and then my combination command:
SELECT userEwallets.id as ewalletId, users.id as userId , money_repositories.money as money, a.nestedUserId
FROM (
SELECT nested.id as nestedUserId
FROM userEwallets as nested
JOIN users ON users.id = nested.userId
JOIN money_repositories ON nested.id = money_repositories.ewalletId
WHERE ewalletNumber = 'SHIRR912233'
) as a
JOIN users ON users.id = userEwallets.userId
JOIN money_repositories ON userEwallets.id = money_repositories.ewalletId
WHERE ewalletNumber = 'SHIRR93730'
I get this error:
#1054 - Unknown column 'userEwallets.id' in 'field list'
Both of commands are same but they have simple difference as ewalletNumber in where clause
UPDATE WITH DATABASE STRUCTURE
money_repositories table:
CREATE TABLE IF NOT EXISTS `money_repositories` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`userId` int(11) NOT NULL,
`ewalletId` int(11) NOT NULL,
`money` int(11) NOT NULL,
`createdAt` int(11) NOT NULL,
`updatedAt` int(11) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_persian_ci AUTO_INCREMENT=4 ;
userEwallets table:
CREATE TABLE IF NOT EXISTS `userEwallets` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`userId` int(11) NOT NULL,
`ewalletNumber` varchar(15) COLLATE utf8_persian_ci NOT NULL,
`currencySymbol` varchar(5) COLLATE utf8_persian_ci NOT NULL,
`createdAt` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`updatedAt` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_persian_ci AUTO_INCREMENT=7 ;
users table:
CREATE TABLE IF NOT EXISTS `users` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`username` varchar(20) COLLATE utf8_persian_ci NOT NULL,
`password` varchar(65) COLLATE utf8_persian_ci NOT NULL,
`name` varchar(20) COLLATE utf8_persian_ci NOT NULL,
`family` varchar(20) COLLATE utf8_persian_ci NOT NULL,
`birthDay` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00' ON UPDATE CURRENT_TIMESTAMP,
`email` varchar(20) COLLATE utf8_persian_ci NOT NULL,
`mobileNumber` varchar(15) COLLATE utf8_persian_ci NOT NULL,
`verifyCode` varchar(5) COLLATE utf8_persian_ci NOT NULL,
`photoUri` varchar(50) COLLATE utf8_persian_ci NOT NULL,
`ebanNumber` varchar(20) COLLATE utf8_persian_ci NOT NULL,
`status` tinyint(1) NOT NULL,
`createdAt` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
`updatedAt` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_persian_ci AUTO_INCREMENT=35 ;

Answer 1

userEwallets.id should be a.id in Select of your combination command. Because you are getting subquery as a.
Modified combined query;
SELECT a.id AS ewalletId,
users.id AS userId,
money_repositories.money AS money,
a.nesteduserid
FROM (SELECT nested.id AS nestedUserId,
nested.id,
nested.ewalletnumber
FROM userewallets AS nested
JOIN users
ON users.id = nested.userid
JOIN money_repositories
ON nested.id = money_repositories.ewalletid
WHERE nested.ewalletnumber = 'SHIRR912233') AS a
JOIN users
ON users.id = userewallets.userid
JOIN money_repositories
ON userewallets.id = money_repositories.ewalletid
WHERE a.ewalletnumber = 'SHIRR93730'
camleCase query fixed:
SELECT a.id AS ewalletId,
users.id AS userId,
money_repositories.money AS money,
a.nestedUserId
FROM (SELECT nested.id AS nestedUserId,
nested.id,
nested.ewalletNumber
FROM userEwallets AS nested
JOIN users ON users.id = nested.userId
JOIN money_repositories ON nested.id = money_repositories.ewalletId
WHERE nested.ewalletNumber = 'SHIRR912233') AS a
JOIN users ON users.id = nested.userId
JOIN money_repositories ON userEwallets.id = money_repositories.ewalletId
WHERE a.ewalletNumber = 'SHIRR937303'

Answer 2

Because you are not including table userEwallets in the query except in the sub query which won't be recognized outside the subquery. Try
UPDATE
Select
users.id as userId, userEwallets.id As ewalletId,money_repositories.money
From
users
Inner Join
userEwallets ON userEwallets.userId= users.id
Inner Join
money_repositories ON money_repositories.userId=users.id
And
money_repositories.ewalletId = userEwallets.id
Where
userEwallets.ewalletNumber = 'SHIRR93730'