herunkang2018 commented on code in PR #3319:
URL: https://github.com/apache/calcite/pull/3319#discussion_r1290144365
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core/src/main/java/org/apache/calcite/sql/fun/SqlLibraryOperators.java:
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@@ -1842,4 +1842,17 @@ private static RelDataType
deriveTypeMapFromEntries(SqlOperatorBinding opBinding
ReturnTypes.INTEGER_NULLABLE,
OperandTypes.or(OperandTypes.CHARACTER, OperandTypes.BINARY),
SqlFunctionCategory.NUMERIC);
+
+ /** The "BIT_GET(value, position)" function. */
+ @LibraryOperator(libraries = {SPARK})
+ public static final SqlBasicFunction BIT_GET =
+ SqlBasicFunction.create("BIT_GET",
+ ReturnTypes.INTEGER_NULLABLE,
Review Comment:
According to Spark's [PR](https://github.com/apache/spark/pull/31198/files)
to support `BIT_GET` function, the return type should be `TINYINT`. I will fix
this soon.
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