1476 - Query plan capture, initial wip capturing bind params (#1477)

* 1476 - Query plan capture, initial wip capturing bind params

* No effective change - Reset test default db to H2

* #1476 - Query plan capture, initial wip capturing bind params #1477

Update with consumer

* #1476 - Query plan capture, initial wip capturing bind params #1477

Update with query plan request

* #1476 - Query plan capture, initial wip capturing bind params #1477

Extract interface

* #1476 - Query plan capture, initial wip capturing bind params #1477

Extract interface

src/main/java/io/ebeaninternal/server/query/QueryPlanLoggerSqlServer.java

@@ -0,0 +1,52 @@
+package io.ebeaninternal.server.query;
+
+import io.ebeaninternal.server.type.bindcapture.BindCapture;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+
+/**
+ * A QueryPlanlogger for sqlserver. It will return the plan as XML, which can be opened in
+ * Microsoft SQL Server Management Studio.
+ *
+ * @author Roland Praml, FOCONIS AG
+ */
+public class QueryPlanLoggerSqlServer extends QueryPlanLogger {
+
+  @Override
+  public DQueryPlanOutput logQueryPlan(Connection conn, CQueryPlan plan, BindCapture bind) {
+
+    try (Statement stmt = conn.createStatement()) {
+      stmt.execute("SET STATISTICS XML ON");
+      try (PreparedStatement explainStmt = conn.prepareStatement(plan.getSql())) {
+        bind.prepare(explainStmt, conn);
+
+        try (ResultSet rset = explainStmt.executeQuery()) {
+          // unfortunately, this will execute the
+        }
+        if (explainStmt.getMoreResults()) {
+          try (ResultSet rset = explainStmt.getResultSet()) {
+            StringBuilder sb = new StringBuilder();
+            while (rset.next()) {
+              sb.append("XML: ").append(rset.getString(1));
+            }
+            return createPlan(plan, bind.toString(), sb.toString());
+          }
+        }
+
+      } catch (SQLException e) {
+        queryPlanLog.error("Could not log query plan", e);
+
+      } finally {
+        stmt.execute("SET STATISTICS XML OFF");
+      }
+    } catch (SQLException e) {
+      queryPlanLog.error("Could not log query plan", e);
+    }
+    return null;
+  }
+
+}