Update database.php
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@ -381,9 +381,11 @@ if(!check_function_exists("get_bind_to_sql_select")) {
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// use simple distance
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if(!array_key_empty("simple_distance", $v)) {
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$a = $v['simple_distance'][0];
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$b = $v['simple_distance'][1];
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$s1a[$k] = sprintf("abs(1.0 - (abs(%s - %s) / %s))", $b, $a, $a);
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if(check_array_length($v['simple_distance'], 2) == 0) {
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$a = $v['simple_distance'][1]; // percentage (range 0 to 1)
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$b = $v['simple_distance'][0]; // field or number
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$s1a[$k] = sprintf("abs(1.0 - (abs(%s - %s) / %s))", $b, $a, $a);
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}
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}
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}
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}
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