From ecbbb734b48e2ceeac7ba425845ae3115305433c Mon Sep 17 00:00:00 2001
From: Lukas Eder <lukas.eder@datageekery.com>
Date: Fri, 10 Nov 2023 13:43:16 +0100
Subject: [PATCH] [jOOQ/jOOQ#15815] Add more emulation support for ALTER TABLE
 .. DROP CONSTRAINT IF EXISTS

Support added for:

- Db2
- Firebird
- MariaDB 10.4
- Oracle
- SQL Server
---
 jOOQ/src/main/java/org/jooq/AlterTableStep.java | 9 +++++----
 jOOQ/src/main/java/org/jooq/impl/Tools.java     | 1 +
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/jOOQ/src/main/java/org/jooq/AlterTableStep.java b/jOOQ/src/main/java/org/jooq/AlterTableStep.java
index 998ad28941..c9c979e903 100644
--- a/jOOQ/src/main/java/org/jooq/AlterTableStep.java
+++ b/jOOQ/src/main/java/org/jooq/AlterTableStep.java
@@ -57,6 +57,7 @@ import static org.jooq.SQLDialect.IGNITE;
 // ...
 import static org.jooq.SQLDialect.MARIADB;
 // ...
+// ...
 import static org.jooq.SQLDialect.MYSQL;
 // ...
 // ...
@@ -703,7 +704,7 @@ public interface AlterTableStep {
      * statement.
      */
     @NotNull @CheckReturnValue
-    @Support({ H2, POSTGRES, YUGABYTEDB })
+    @Support({ FIREBIRD, H2, MARIADB, POSTGRES, YUGABYTEDB })
     AlterTableDropStep dropIfExists(Constraint constraint);
 
     /**
@@ -713,7 +714,7 @@ public interface AlterTableStep {
      * @see DSL#constraint(String)
      */
     @NotNull @CheckReturnValue
-    @Support({ H2, POSTGRES, YUGABYTEDB })
+    @Support({ FIREBIRD, H2, MARIADB, POSTGRES, YUGABYTEDB })
     AlterTableDropStep dropConstraintIfExists(Constraint constraint);
 
     /**
@@ -723,7 +724,7 @@ public interface AlterTableStep {
      * @see DSL#constraint(String)
      */
     @NotNull @CheckReturnValue
-    @Support({ H2, POSTGRES, YUGABYTEDB })
+    @Support({ FIREBIRD, H2, MARIADB, POSTGRES, YUGABYTEDB })
     AlterTableDropStep dropConstraintIfExists(Name constraint);
 
     /**
@@ -733,7 +734,7 @@ public interface AlterTableStep {
      * @see DSL#constraint(String)
      */
     @NotNull @CheckReturnValue
-    @Support({ H2, POSTGRES, YUGABYTEDB })
+    @Support({ FIREBIRD, H2, MARIADB, POSTGRES, YUGABYTEDB })
     AlterTableDropStep dropConstraintIfExists(String constraint);
 
     /**
diff --git a/jOOQ/src/main/java/org/jooq/impl/Tools.java b/jOOQ/src/main/java/org/jooq/impl/Tools.java
index 9f51d13b65..afd7e9f05e 100644
--- a/jOOQ/src/main/java/org/jooq/impl/Tools.java
+++ b/jOOQ/src/main/java/org/jooq/impl/Tools.java
@@ -5529,6 +5529,7 @@ final class Tools {
 
 
 
+
 
 
             case FIREBIRD: {