[英]SQL Query using a JOIN to select from two tables
我在PHP中有以下SQL查詢:
$sql="SELECT * from customer c JOIN commsone_phonelines b where b.phone_number LIKE '%".$_POST["search"]."%' AND ";
$sql.="c.company like '%".$_POST["search"]."%' OR ";
$sql.="c.forename like '%".$_POST["search"]."%' OR ";
$sql.="c.surname like '%".$_POST["search"]."%' OR ";
$sql.="CONCAT_WS(' ',c.forename, c.surname) LIKE '%".$_POST["search"]."%' OR ";
$sql.="c.phone like '%".$_POST["search"]."%' OR ";
$sql.="c.accountnumber like '%".$_POST["search"]."%' OR ";
$sql.="c.customerid like '%".$_POST["search"]."%' OR ";
$sql.="c.voip_account like '%".$_POST["search"]."%' OR ";
$sql.="REPLACE(c.postcode,' ','') LIKE '%".$_POST["search"]."%' OR ";
$sql.="REPLACE(c.postcode,'',' ') LIKE '%".$_POST["search"]."%' OR ";
$sql.="c.postcode LIKE '%".str_replace(' ','',$_POST["search"])."%' ";
$sql.=" AND c.resellerid = '' ORDER BY company ASC";
我基本上是試圖從兩個不同的表中選擇,而我只需要從客戶表中回顯信息。
如果在commsone_phonelines
表中找到了commsone_phonelines
,則應鏈接commsone_phonelines.customer_seq = customer.sequence
更新:
我剛剛運行此查詢:
SELECT c.* from customer c INNER JOIN commsone_phonelines b ON c.sequence = b.client_seq where b.phone_number LIKE '%boat%' OR c.company like '%boat%'
它從客戶表返回正確的行,但是它顯示同一行5次
我個人覺得這更容易閱讀...
$sql="
SELECT c.*
FROM customer c
JOIN commsone_phonelines b
ON b.customer_seq = c.sequence
WHERE b.phone_number LIKE '%{$_POST['search']}%'
AND ( c.company LIKE '%{$_POST['search']}%'
OR c.forename LIKE '%{$_POST['search']}%'
OR c.surname LIKE '%{$_POST['search']}%'
OR CONCAT_WS(' ',c.forename, c.surname) LIKE '%{$_POST['search']}%'
OR c.phone LIKE '%{$_POST['search']}%'
OR c.accountnumber LIKE '%{$_POST['search']}%'
OR c.customerid LIKE '%{$_POST['search']}%'
OR c.voip_account LIKE '%{$_POST['search']}%'
OR REPLACE(c.postcode,' ','') LIKE '%{$_POST['search']}%'
)
AND c.resellerid = ''
ORDER
BY company ASC";
....我只需要從客戶表中回顯信息。
然后僅選擇客戶表的列。
$sql="SELECT c.* from customer c JOIN commsone_phonelines b where b.phone_number LIKE '%".$_POST["search"]."%' AND ";
其余查詢保持不變。
編輯
$sql="SELECT DISTINCT c.col1,c.col2,c.col3 from customer c JOIN commsone_phonelines b where b.phone_number LIKE '%".$_POST["search"]."%' AND ";
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