beliefer commented on code in PR #49452:
URL: https://github.com/apache/spark/pull/49452#discussion_r1912905722
##########
connector/docker-integration-tests/src/test/scala/org/apache/spark/sql/jdbc/v2/V2JDBCTest.scala:
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@@ -986,4 +986,23 @@ 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.") {
+ val tableName = s"$catalogName.test_binary_literal"
+ withTable(tableName) {
+ // Unfornately, Oracle can only compare two BLOBs with a special
function dbms_lob.compare
+ // The V2ExpressionSQLBuilder can not support rewriting the '=' operator.
+ // We don't test binary data on Oracle and do not support binary data on
Oracle.
+ if (!this.isInstanceOf[OracleIntegrationSuite]) {
Review Comment:
> Yes, that requires a significant change in how V2ExpressionSQLBuilder
works. The binary literal was not working before this PR anyway. We can make it
work at least on other databases this time. And propose another design changes
to V2ExpressionSQLBuilder to make it flexible enable to support cases like this.
Why we need change V2ExpressionSQLBuilder? Please describe the detail.
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