Runkang He created CALCITE-5848:
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             Summary: Add BIT_GET and GETBIT function (enabled in Spark library)
                 Key: CALCITE-5848
                 URL: https://issues.apache.org/jira/browse/CALCITE-5848
             Project: Calcite
          Issue Type: New Feature
          Components: core
    Affects Versions: 1.34.0
            Reporter: Runkang He


Add BIT_GET and GETBIT function (enabled in Spark library):
BIT_GET(expr, pos) - Returns the value of the bit (0 or 1) at the specified 
position. The positions are numbered from right to left, starting at zero. The 
position argument cannot be negative.
GETBIT is an alias of BIT_GET.
See more details in 
[Spark|https://spark.apache.org/docs/latest/api/sql/index.html#bit_get] doc.



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