Reynold Xin created SPARK-8247:
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Summary: string function: instr
Key: SPARK-8247
URL: https://issues.apache.org/jira/browse/SPARK-8247
Project: Spark
Issue Type: Sub-task
Reporter: Reynold Xin
instr(string str, string substr): int
Returns the position of the first occurrence of substr in str. Returns null if
either of the arguments are null and returns 0 if substr could not be found in
str. Be aware that this is not zero based. The first character in str has index
1.
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