AngersZhuuuu opened a new pull request #34848:
URL: https://github.com/apache/spark/pull/34848
### What changes were proposed in this pull request?
In current realization, `contains`, `startsWith` and `endsWith` only support
StringType as input, in this pr, we make these three string function support
binary too.
### Why are the changes needed?
Make function `contains`, `startsWith`, `endsWith` support BinaryType
### Does this PR introduce _any_ user-facing change?
user can use binary as input.
expression | result
-- | --
contains(encode('Spark SQL', 'utf-8'), 'Spark') | true
startsWith(encode('Spark SQL', 'utf-8'), 'Spark') | true
contains(encode('Spark SQL', 'utf-8'), 'SparkSQL') | false
endsWith(encode('Spark SQL', 'utf-8'), 'Spark') | false
endsWith(encode('Spark SQL', 'utf-8'), 'SQL') | true
### How was this patch tested?
added UT
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