diff --git a/jOOQ-codegen/src/main/java/org/jooq/util/JavaGenerator.java b/jOOQ-codegen/src/main/java/org/jooq/util/JavaGenerator.java
index a82e9d1102..1d2a5380c8 100644
--- a/jOOQ-codegen/src/main/java/org/jooq/util/JavaGenerator.java
+++ b/jOOQ-codegen/src/main/java/org/jooq/util/JavaGenerator.java
@@ -144,6 +144,7 @@ public class JavaGenerator extends AbstractGenerator {
     public final void generate(Database db) {
         this.database = db;
         this.database.addFilter(new AvoidAmbiguousClassesFilter());
+        this.database.setIncludeRelations(generateRelations());
 
         String url = "";
         try {
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 bd5647b1b2..1b9777b882 100644
--- a/jOOQ-meta/src/main/java/org/jooq/util/AbstractDatabase.java
+++ b/jOOQ-meta/src/main/java/org/jooq/util/AbstractDatabase.java
@@ -125,6 +125,7 @@ public abstract class AbstractDatabase implements Database {
     private List<RoutineDefinition>                                          routines;
     private List<PackageDefinition>                                          packages;
     private Relations                                                        relations;
+    private boolean                                                          includeRelations = true;
 
     private transient Map<SchemaDefinition, List<SequenceDefinition>>        sequencesBySchema;
     private transient Map<SchemaDefinition, List<IdentityDefinition>>        identitiesBySchema;
@@ -456,6 +457,16 @@ public abstract class AbstractDatabase implements Database {
         return dateAsTimestamp;
     }
 
+    @Override
+    public final void setIncludeRelations(boolean includeRelations) {
+        this.includeRelations = includeRelations;
+    }
+
+    @Override
+    public final boolean includeRelations() {
+        return includeRelations;
+    }
+
     @Override
     public final List<SequenceDefinition> getSequences(SchemaDefinition schema) {
         if (sequences == null) {
@@ -750,11 +761,17 @@ public abstract class AbstractDatabase implements Database {
     @Override
     public final Relations getRelations() {
         if (relations == null) {
-            try {
-                relations = getRelations0();
-            } catch (Exception e) {
-                log.error("Error while fetching relations", e);
-                relations = new DefaultRelations();
+            relations = new DefaultRelations();
+
+            // [#3559] If the code generator doesn't need relation information, we shouldn't
+            // populate them here to avoid running potentially expensive queries.
+            if (includeRelations) {
+                try {
+                    relations = getRelations0();
+                }
+                catch (Exception e) {
+                    log.error("Error while fetching relations", e);
+                }
             }
         }
 
diff --git a/jOOQ-meta/src/main/java/org/jooq/util/Database.java b/jOOQ-meta/src/main/java/org/jooq/util/Database.java
index ccdb34efda..0407544356 100644
--- a/jOOQ-meta/src/main/java/org/jooq/util/Database.java
+++ b/jOOQ-meta/src/main/java/org/jooq/util/Database.java
@@ -383,6 +383,16 @@ public interface Database {
      */
     boolean dateAsTimestamp();
 
+    /**
+     * [#3559] Whether relations (i.e. constraints) should be included in this database.
+     */
+    void setIncludeRelations(boolean includeRelations);
+
+    /**
+     * [#3559] Whether relations (i.e. constraints) should be included in this database.
+     */
+    boolean includeRelations();
+
     /**
      * Check for the existence of a table in the dictionary views.
      */