Returns a Universal Unique Identifier (UUID).
SELECT uuid() AS uuid FROM stream => 64c82e4c-7314-45e2-8ee2-c7283f6dbb74 |
Returns the hash value of an object
SELECT hash(value) AS hash FROM stream => 1402455053 |
Evaluates arbitrary expressions.
SELECT eval("2+3") as result FROM stream => 5 |
Causes the currently executing operator to sleep for the specified number of milliseconds.
Returns the first Object if the expression evaluates to true else the second Object.
SELECT eif(1>0, "Greater than 0", "Lower or equal") AS result FROM stream => Greater than 0 |
Reads the content of an arbitrary file and returns the content as a string.
Returns the current used memory by the Java Virtual Machine in bytes.
SELECT mem() AS mem FROM stream => 230445616 |
Returns the current system load average for the last minute.
SELECT load() AS load FROM stream => 2.77 |
returns the uptime of the Java Virtual Machine in milliseconds.
SELECT uptime() AS uptime FROM stream => 481030 |
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.
SELECT storedLine("Storage", [123, 456], [3]) AS line FROM stream => [0,1,0,1,0] |
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.
SELECT storedValue("Storage", [123, 456], [3,2]) AS value FROM stream => 0 |