Dear all,
I have this strange behavior when running in BaseX 10.4:
["a","b","c"](1 + random:integer(3))
I got something empty result, sometimes (correctly) one out of the three, sometimes two results...
I report the results and the trace in [1] and [2].
What is the reason for this?
Thank you.
Marco.
[1] Two results a c
Evaluating: 1 3 3 Compiling: - rewrite list to xs:string sequence: ("a", "b", "c") - swap operands: (1 + random:integer(3)) Optimized Query: ("a", "b", "c")[trace((random:integer(3) + 1))] Query: ("a", "b", "c")[trace(1 + random:integer(3))] Result: - Hit(s): 2 Items - Updated: 0 Items - Printed: 3 b - Read Locking: (none) - Write Locking: (none) Timing: - Parsing: 0.21 ms - Compiling: 0.4 ms - Optimizing: 0.1 ms - Evaluating: 0.57 ms - Printing: 0.02 ms - Total Time: 1.31 ms
[2] Empty result ()
Evaluating: 3 3 1 Compiling: - rewrite list to xs:string sequence: ("a", "b", "c") - swap operands: (1 + random:integer(3)) Optimized Query: ("a", "b", "c")[trace((random:integer(3) + 1))] Query: ("a", "b", "c")[trace(1 + random:integer(3))] Result: - Hit(s): 0 Items - Updated: 0 Items - Printed: 0 b - Read Locking: (none) - Write Locking: (none) Timing: - Parsing: 0.16 ms - Compiling: 0.41 ms - Optimizing: 0.15 ms - Evaluating: 0.56 ms - Printing: 0.02 ms - Total Time: 1.3 ms Query Plan: <QueryPlan compiled="true" updating="false"> <CachedFilter type="xs:string*"> <StrSeq type="xs:string+" size="3"> <Str type="xs:string" size="1">a</Str> <Str type="xs:string" size="1">b</Str> <Str type="xs:string" size="1">c</Str> </StrSeq> <FnTrace name="trace" type="xs:integer" size="1"> <Arith op="+" type="xs:integer" size="1"> <RandomInteger name="random:integer" type="xs:integer" size="1"> <Int type="xs:integer" size="1">3</Int> </RandomInteger> <Int type="xs:integer" size="1">1</Int> </Arith> </FnTrace> </CachedFilter> </QueryPlan>