Quanlong Huang created IMPALA-9598:
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Summary: Add builtin functions for masking middle of the string
Key: IMPALA-9598
URL: https://issues.apache.org/jira/browse/IMPALA-9598
Project: IMPALA
Issue Type: New Feature
Reporter: Quanlong Huang
It's a common requirement that showing both the first m and last n chars of the
phone number. We can provide a builtin function for this. The definition can be
{code}
mask_middle_n(value, firstCharCount, lastCharCount, upperChar, lowerChar,
digitChar, otherChar, numberChar)
mask_show_middle_n(value, firstCharCount, lastCharCount, upperChar, lowerChar,
digitChar, otherChar, numberChar)
{code}
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