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substring

substring(str, pos[, len]) – Returns the substring of `str` that starts at `pos` and is of length `len`, or the slice of byte array that starts at `pos` and is of length `len`.

Platforms: WhereOS, Spark, Hive

Class: org.apache.spark.sql.catalyst.expressions.Substring

More functions can be added to WhereOS via Python or R bindings or as Java & Scala UDF (user-defined function), UDAF (user-defined aggregation function) and UDTF (user-defined table generating function) extensions. Custom libraries can be added on via Settings-page or installed from WhereOS Store.

View the complete guide of WhereOS functions.

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