[SPARK-49695][SQL][3.5] Postgres fix xor push-down

connector/docker-integration-tests/src/test/scala/org/apache/spark/sql/jdbc/v2/PostgresIntegrationSuite.scala

@@ -22,6 +22,7 @@ import java.sql.Connection
 import org.apache.spark.SparkConf
 import org.apache.spark.sql.AnalysisException
 import org.apache.spark.sql.catalyst.analysis.TableAlreadyExistsException
+import org.apache.spark.sql.execution.FilterExec
 import org.apache.spark.sql.execution.datasources.v2.jdbc.JDBCTableCatalog
 import org.apache.spark.sql.jdbc.DatabaseOnDocker
 import org.apache.spark.sql.types._
@@ -123,4 +124,13 @@ class PostgresIntegrationSuite extends DockerJDBCIntegrationV2Suite with V2JDBCT
       )
     }
   }
+
+  test("SPARK-49695: Postgres fix xor push-down") {
+    val df = spark.sql(s"select dept, name from $catalogName.employee where dept ^ 6 = 0")
+    val rows = df.collect()
+    assert(!df.queryExecution.sparkPlan.exists(_.isInstanceOf[FilterExec]))
+    assert(rows.length == 1)
+    assert(rows(0).getInt(0) === 6)
+    assert(rows(0).getString(1) === "jen")
+  }
 }

sql/core/src/main/scala/org/apache/spark/sql/jdbc/PostgresDialect.scala

@@ -258,6 +258,12 @@ private object PostgresDialect extends JdbcDialect with SQLConfHelper {
     }
   }
 
+  class PostgresSQLBuilder extends JDBCSQLBuilder {
+    override def visitBinaryArithmetic(name: String, l: String, r: String): String = {
+      l + " " + name.replace('^', '#') + " " + r
+    }
+  }
+
   override def supportsLimit: Boolean = true
 
   override def supportsOffset: Boolean = true