MySQL Union Query not returning expected result, -

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mysql query returns second select results in union , have no idea why...can plz help?

$query  = "select name "; $query .= "from nutrients "; $query .= "where name '%{$sqlsafe_query}%' "; $query .= "limit 30 "; $query .= "union "; $query  = "select name "; $query .= "from supplements "; $query .= "where name '%{$sqlsafe_query}%' "; $query .= "limit 30"; 

$query  = "select name ";

are lack of . before =?


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