Merge pull request #3138 from ebean-orm/feature/postgres-queryplan-capture-buffers

[Postgres] Include buffers in Postgres explain - explain (analyze, buffers)

ebean-core/src/main/java/io/ebeaninternal/server/query/QueryPlanLoggerPostgres.java

@@ -19,7 +19,7 @@ public final class QueryPlanLoggerPostgres extends QueryPlanLogger {
 
   @Override
   public SpiDbQueryPlan collectPlan(Connection conn, SpiQueryPlan plan, BindCapture bind) {
-    String explain = "explain analyze " + plan.sql();
+    String explain = "explain (analyze, buffers) " + plan.sql();
     try (PreparedStatement explainStmt = conn.prepareStatement(explain)) {
       bind.prepare(explainStmt, conn);
       try (ResultSet rset = explainStmt.executeQuery()) {

ebean-test/src/test/java/main/StartPostgres.java

@@ -5,7 +5,7 @@ import io.ebean.test.containers.PostgresContainer;
 public class StartPostgres {
 
   public static void main(String[] args) {
-    PostgresContainer.builder("14")
+    PostgresContainer.builder("15")
       .dbName("unit")
       //.port(6432)
       //.user("unit")