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UUID()
Returns a Universal Unique Identifier (UUID).
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SELECT uuid() FROM stream => 64c82e4c-7314-45e2-8ee2-c7283f6dbb74 |
Eval(String s)
Evaluates arbitrary expressions.
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SELECT eval("2+3") FROM stream => 5 |
Sleep(Number time)
Causes the currently executing operator to sleep for the specified number of milliseconds.
eIf(Expression e, Object true, Object false)
Returns the first Object if the expression evaluates to true else the second Object.
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SELECT eif(1>0, "Greater than 0", "Lower or equal") FROM stream => Greater than 0 |
Read(String path)
Reads the content of an arbitrary file and returns the content as a string.
Mem()
Returns the current used memory by the Java Virtual Machine in bytes
Load()
Returns the current system load average for the last minute.
uptimeUptime()
returns the uptime of the Java Virtual Machine in milliseconds.
storedLine(String storage, Vector hierarchy, Vector row)
Returns the line stored in an associative storage given by the first parameter at the hierarchy given by the second parameter at the row given by the third parameter.
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SELECT storedLine("Storage", [123, 456], [3]) FROM stream => [0,1,0,1,0] |
storedValue(String storage, Vector hierarchy, Vector row)
Returns the value stored in an associative storage given by the first parameter at the hierarchy given by the second parameter at the row given by the third parameter.
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SELECT storedValue("Storage", [123, 456], [3,2]) FROM stream => 0 |
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