mkaravel commented on a change in pull request #34056:
URL: https://github.com/apache/spark/pull/34056#discussion_r713280761
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala
##########
@@ -2649,3 +2649,192 @@ case class Sentences(
copy(str = newFirst, language = newSecond, country = newThird)
}
+
+/**
+ * A function that returns the bitwise AND of two binary strings.
+ * The byte length of the result is the maximum of the byte lengths of the two
input binary
+ * strings. If the two input binary strings are of different byte length they
aligned according
+ * to their least significant (right-most) bit. The shorter binary string is
semantically
+ * left-padded with zeros.
+ */
+@ExpressionDescription(
+ usage = """
+ _FUNC_(bytes1, bytes2) - Returns the bitwise AND of two binary strings.
+ """,
+ examples = """
+ Examples:
+ > SELECT hex(_FUNC_(unhex('AABB'), unhex('11223344')));
+ 00002200
+ """,
+ since = "3.3.0",
+ group = "string_funcs")
+case class BitAnd(bytes1: Expression, bytes2: Expression)
+ extends BinaryExpression with ExpectsInputTypes with NullIntolerant {
+
+ override def inputTypes: Seq[AbstractDataType] = Seq(BinaryType, BinaryType)
+
+ override def dataType: DataType = BinaryType
+
+ override def left: Expression = bytes1
+ override def right: Expression = bytes2
+
+ override def nullSafeEval(left: Any, right: Any): Any = {
+ bytes1.dataType match {
+ case BinaryType => ByteArray.bitwiseAnd(left.asInstanceOf[Array[Byte]],
Review comment:
Done.
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala
##########
@@ -2649,3 +2649,192 @@ case class Sentences(
copy(str = newFirst, language = newSecond, country = newThird)
}
+
+/**
+ * A function that returns the bitwise AND of two binary strings.
Review comment:
Done. Referring to expressions now.
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