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Improvements to sql_bitand, etc. so that the caller does not have to worry about operator precidence.

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This commit is contained in:
tjhunt 2007-07-27 09:24:20 +00:00
parent 1bf35770e6
commit a4bcb27f0e
1 changed files with 8 additions and 8 deletions
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16
lib/dmllib.php
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@ -1822,10 +1822,10 @@ function sql_bitand($int1, $int2) {
switch ($CFG->dbfamily) {
case 'oracle':
return 'bitand(' . $int1 . ', ' . $int2 . ')';
return 'bitand((' . $int1 . '), (' . $int2 . '))';
break;
default:
return $int1 . ' & ' . $int2;
return '((' . $int1 . ') & (' . $int2 . '))';
}
}
@ -1842,10 +1842,10 @@ function sql_bitor($int1, $int2) {
switch ($CFG->dbfamily) {
case 'oracle':
return '(' . $int1 . ' + ' . $int2 . ' - ' . sql_bitand($int1, $int2) . ')';
return '((' . $int1 . ') + (' . $int2 . ') - ' . sql_bitand($int1, $int2) . ')';
break;
default:
return $int1 . ' | ' . $int2;
return '((' . $int1 . ') | (' . $int2 . '))';
}
}
@ -1865,10 +1865,10 @@ function sql_bitxor($int1, $int2) {
return '(' . sql_bitor($int1, $int2) . ' - ' . sql_bitand($int1, $int2) . ')';
break;
case 'postgres':
return $int1 . ' # ' . $int2;
return '((' . $int1 . ') # (' . $int2 . '))';
break;
default:
return $int1 . ' ^ ' . $int2;
return '((' . $int1 . ') ^ (' . $int2 . '))';
}
}
@ -1884,10 +1884,10 @@ function sql_bitnot($int1) {
switch ($CFG->dbfamily) {
case 'oracle':
return '(' . '(0 - ' . $int1 . ') - 1' . ')';
return '((0 - (' . $int1 . ')) - 1)';
break;
default:
return ' ~' . $int1;
return '(~(' . $int1 . '))';
}
}