VZ 2.0: add virtual channels #729
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add mathematical functions, and/or as well as weekday
cweiske
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Sometimes the virtual channel fails with an ErrorException > Notice: Trying to access array offset on value of type null This depends on the "from" and "to" range. Some ranges don't exhibit this problem, but most do. This code had been added in the initial implementation of virtual channels in volkszaehler#729 but was deactivated. "git log" does not indicate why that is so. Example URL with that error: http://strom/api/data/fa7e3070-af2b-11ec-945d-874270cd36b6.json?unique=1648649200587&from=1648635064050&to=1648636657524&tuples=496 Stack trace: > ErrorException: > Notice: Trying to access array offset on value of type null > > at lib/Interpreter/Virtual/TimestampIterator.php:31 > at Volkszaehler\Interpreter\Virtual\TimestampIterator->current() > (lib/Interpreter/Virtual/TimestampGenerator.php:51) > at Volkszaehler\Interpreter\Virtual\TimestampGenerator->Volkszaehler\Interpreter\Virtual\{closure}() > at array_reduce() > (lib/Interpreter/Virtual/TimestampGenerator.php:55) > at Volkszaehler\Interpreter\Virtual\TimestampGenerator->getIterator() > (lib/Interpreter/VirtualInterpreter.php:214)
andig
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Mar 30, 2022
Sometimes the virtual channel fails with an ErrorException > Notice: Trying to access array offset on value of type null This depends on the "from" and "to" range. Some ranges don't exhibit this problem, but most do. This code had been added in the initial implementation of virtual channels in #729 but was deactivated. "git log" does not indicate why that is so. Example URL with that error: http://strom/api/data/fa7e3070-af2b-11ec-945d-874270cd36b6.json?unique=1648649200587&from=1648635064050&to=1648636657524&tuples=496 Stack trace: > ErrorException: > Notice: Trying to access array offset on value of type null > > at lib/Interpreter/Virtual/TimestampIterator.php:31 > at Volkszaehler\Interpreter\Virtual\TimestampIterator->current() > (lib/Interpreter/Virtual/TimestampGenerator.php:51) > at Volkszaehler\Interpreter\Virtual\TimestampGenerator->Volkszaehler\Interpreter\Virtual\{closure}() > at array_reduce() > (lib/Interpreter/Virtual/TimestampGenerator.php:55) > at Volkszaehler\Interpreter\Virtual\TimestampGenerator->getIterator() > (lib/Interpreter/VirtualInterpreter.php:214)
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Fixes #384