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GeneralStonewall
Magician
Joined: 02 Feb 2004
Posts: 364
Location: USA
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 Posted: Tue Jun 29, 2010 9:39 am
[3.21] BUG: %item( db.key, i) with single item
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Hopefully I can explain this in a way that makes sense,
If %item( @db.key, i) is used on a key with a single item it will always return the value, even when i > 1.
code:
| Code: |
#print ""
#print "---- Setting up variables ----"
#var testdb %null
#var testlist %null
#var testvar %null
#addkey testdb key1 val1
#additem testlist item1
#var testvar "value"
#print {testvar: @testvar}
#print {testdb: %expanddb( @testdb)}
#print {testlist: %expandlist( @testlist)}
#print "---- Using %item( @testvar, 1-3) ----"
#print {%item(@testvar, 1)}
#print {%item(@testvar, 2)}
#print {%item(@testvar, 3)}
#print "---- Using %item( %db( @testdb, key1), 1-3) ----"
#print {%item(%db(@testdb, key1), 1)}
#print {%item(%db(@testdb, key1), 2)}
#print {%item(%db(@testdb, key1), 3)}
#print "---- Using %item( @testdb.key1, 1-3) ----"
#print {%item(@testdb.key1, 1)}
#print {%item(@testdb.key1, 2)}
#print {%item(@testdb.key1, 3)}
#print "---- Using %item( @testlist, 1-3) ----"
#print {%item(@testlist, 1)}
#print {%item(@testlist, 2)}
#print {%item(@testlist, 3)} |
output:
| Quote: |
---- Setting up variables ----
testvar: value
testdb: key1=val1
testlist: item1
---- Using %item( @testvar, 1-3) ----
value
---- Using %item( %db( @testdb, key1), 1-3) ----
val1
val1
val1
---- Using %item( @testdb.key1, 1-3) ----
val1
val1
val1
---- Using %item( @testlist, 1-3) ----
item1 |
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Tech
GURU
Joined: 18 Oct 2000
Posts: 2733
Location: Atlanta, USA
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Posted: Tue Jun 29, 2010 1:19 pm
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The behavior is confirmed, but I'm not sure if it's a bug or just unexpected behavior. In your example "%db(@testdb, key1)" will always return 'val1'.
How ever val1 is not a defined variable list so %item doesn't know what to do with it so it just spits it back out. If you add the following code snippet you'll see what I mean.
| Code: |
#print {%db(@testdb, key1)}
#print {%item(foo, 1)} |
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_________________
Asati di tempari! |
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Zugg
MASTER
Joined: 25 Sep 2000
Posts: 23379
Location: Colorado, USA
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Posted: Tue Jun 29, 2010 4:53 pm
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Yep. Basically you are running the %db and %item functions on plain string values and not lists or tables. @testdb.key1 is a string value (val1) so it has no concept of items or keys.
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GeneralStonewall
Magician
Joined: 02 Feb 2004
Posts: 364
Location: USA
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Posted: Tue Jun 29, 2010 8:08 pm
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Testvar is a literal string and %item works on it the way I would expect it to, so I don't quite see why using it on %db( @testdb, key1), which should also be a literal string, would not. Also, I don't believe I used %db on a plain string value anywhere.
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