protected function _extractValueFromDefault($default)
{
switch (true) {
case preg_match('/\\A-?\\d+(\\.\\d*)?\\z/', $default):
// Numeric types
return $default;
case preg_match('/\\A\'(.*)\'::(?:character varying|bpchar|text)\\z/m', $default, $matches):
// Character types
return $matches[1];
case preg_match('/\\AE\'(.*)\'::(?:character varying|bpchar|text)\\z/m', $default, $matches):
// Character types (8.1 formatting)
/*@TODO fix preg callback*/
return preg_replace('/\\(\\d\\d\\d)/', '$1.oct.chr', $matches[1]);
case preg_match('/\\A\'(.*)\'::bytea\\z/m', $default, $matches):
// Binary data types
return $matches[1];
case preg_match('/\\A\'(.+)\'::(?:time(?:stamp)? with(?:out)? time zone|date)\\z/', $default, $matches):
// Date/time types
return $matches[1];
case preg_match('/\\A\'(.*)\'::interval\\z/', $default, $matches):
return $matches[1];
case $default == 'true':
// Boolean type
return true;
case $default == 'false':
return false;
case preg_match('/\\A\'(.*)\'::(?:point|line|lseg|box|"?path"?|polygon|circle)\\z/', $default, $matches):
// Geometric types
return $matches[1];
case preg_match('/\\A\'(.*)\'::(?:cidr|inet|macaddr)\\z/', $default, $matches):
// Network address types
return $matches[1];
case preg_match('/\\AB\'(.*)\'::"?bit(?: varying)?"?\\z/', $default, $matches):
// Bit string types
return $matches[1];
case preg_match('/\\A\'(.*)\'::xml\\z/m', $default, $matches):
// XML type
return $matches[1];
case preg_match('/\\A\'(.*)\'::"?\\D+"?\\[\\]\\z/', $default, $matches):
// Arrays
return $matches[1];
case preg_match('/\\A-?\\d+\\z/', $default, $matches):
// Object identifier types
return $matches[1];
default:
// Anything else is blank, some user type, or some function
// and we can't know the value of that, so return nil.
return null;
}
}
