Contoh yang buruk :
SELECT Count(*)
FROM pengawas p
LEFT JOIN (SELECT *
FROM pengawas_periode
WHERE periode_id = '2') AS pp
ON pp.pengawas_id = p.id
LEFT JOIN lencana_pengawas lp
ON p.ingin_lencana_pengawas = lp.id
LEFT JOIN panlok
ON p.panlok_id = panlok.id
WHERE 1 = 1
AND p.fc_no_identitas IS NOT NULL
AND p.foto IS NOT NULL
AND pp.pengawas_id IS NULL
AND ( ( Lower(p.nama) LIKE '%a%'
OR Lower(lp.singkatan) = 'a' )
OR p.no_identitas = 'a' )
AND p.is_aktif = 1
AND ( p.instansi = '77'
OR p.instansi IN( 'Instansi A', 'Instansi B' ) )
AND ( p.ingin_lencana_pengawas = '22'
OR p.ingin_lencana_pengawas = '3' )
OR p.id = 'a'
ORDER BY p.angkatan ASC,
p.created_at ASC;
SELECT Count(*)
FROM pengawas p
LEFT JOIN pengawas_periode pp
ON p.id = pp.pengawas_id
AND pp.periode_id = 2
LEFT JOIN lencana_pengawas lp
ON p.ingin_lencana_pengawas = lp.id
LEFT JOIN panlok
ON p.panlok_id = panlok.id
WHERE 1 = 1
AND pp.pengawas_id IS NULL
AND p.fc_no_identitas IS NOT NULL
AND p.foto IS NOT NULL
AND ( ( Lower(p.nama) LIKE '%a%'
OR Lower(lp.singkatan) = 'a' )
OR p.no_identitas = 'a' )
AND p.is_aktif = 1
AND ( p.instansi = '77'
OR p.instansi IN( 'Instansi A', 'Instansi B' ) )
AND ( p.ingin_lencana_pengawas = '22'
OR p.ingin_lencana_pengawas = '3' )
OR p.id = 'a'
ORDER BY p.angkatan ASC,
p.created_at ASC
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