sunxiaoguang commented on code in PR #49452:
URL: https://github.com/apache/spark/pull/49452#discussion_r1913069244
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connector/docker-integration-tests/src/test/scala/org/apache/spark/sql/jdbc/v2/V2JDBCTest.scala:
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@@ -986,4 +986,18 @@ private[v2] trait V2JDBCTest extends SharedSparkSession
with DockerIntegrationFu
test("scan with filter push-down with date time functions") {
testDatetime(s"$catalogAndNamespace.${caseConvert("datetime")}")
}
+
+ test("SPARK-50792 Format binary data as a binary literal in JDBC.") {
+ withTable(s"$catalogName.test_binary_literal") {
+ // Create a table with binary column
+ val binary = "X'123456'"
+ val tableName = "test_binary_literal"
+
+ sql(s"CREATE TABLE $catalogName.$tableName (binary_col BINARY)")
+ sql(s"INSERT INTO $catalogName.$tableName VALUES ($binary)")
+
+ val select = s"SELECT * FROM $catalogName.$tableName WHERE binary_col =
$binary"
+ assert(spark.sql(select).collect().length === 1, s"Binary literal test
failed: $select")
+ }
+ }
Review Comment:
There are couple threads discussing this topic. Let me copy the comment in
case it's missed.
We can only rewrite comparison when one of the arguments is BLOB. For other
cases, we have to use existing implementation. But unfortunately, the signature
of visitBinaryComparison is accepting everything in string which loss the type
information to understand if one of the arguments is binary type.
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