I've changed my query to:
$order = "SUBSTRING_INDEX(objektname,'-',1)";
$order .=
",RIGHT(objektname,(LENGTH(objektname)-LOCATE('-',objektname)))";
so that the syntax ist okay, and the tests too:
mySQL returns the correct values:
objekt SUBSTRING_INDEX(objekt,'-',1) LENGTH(objekt)
LOCATE('-',objekt) RIGHT(...)
MD1-1234 MD1 8
4 1234
MD1-32 MD1 6
4 32
SD1-1 SD1 5
4 1
But the search-results are not ordered corectly. Perhaps i can transform
the numbers int integer? I think they are handled as string...
Greetings,
Jürgen
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