From b166cda830c019312fa30f396e202b93af12a1ff Mon Sep 17 00:00:00 2001
From: lukaseder <lukas.eder@gmail.com>
Date: Wed, 7 Mar 2018 11:45:58 +0100
Subject: [PATCH] [#7248] Error when running "SELECT 1" query from
 AbstractDatabase in unsupported SQLDialect

---
 .../src/main/java/org/jooq/util/AbstractDatabase.java  | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/jOOQ-meta/src/main/java/org/jooq/util/AbstractDatabase.java b/jOOQ-meta/src/main/java/org/jooq/util/AbstractDatabase.java
index c937dc140c..63fd7f216c 100644
--- a/jOOQ-meta/src/main/java/org/jooq/util/AbstractDatabase.java
+++ b/jOOQ-meta/src/main/java/org/jooq/util/AbstractDatabase.java
@@ -250,7 +250,15 @@ public abstract class AbstractDatabase implements Database {
                     // [#4974] Prevent any class loading effects from impacting below
                     //         SQLPerformanceWarning.
                     if (!initialised) {
-                        DSL.using(configuration).selectOne().fetch();
+                        try {
+                            DSL.using(configuration).selectOne().fetch();
+                        }
+
+                        // [#7248] Unsupported dialects might not be able to run queries on the DUAL table
+                        catch (DataAccessException ignore) {
+                            log.debug("Error while running init query", ignore);
+                        }
+
                         initialised = true;
                     }
                 }