[#561] Add support for the Informix database - Various fixes

jOOQ-scala/src/test/scala/org/jooq/scala/example/Test.scala

@@ -91,5 +91,22 @@ object Test {
 
     println("first name : " + tuple._1);
     println("last name : " + tuple._2);
+
+    val predicate =
+      if (1 == 1)
+        "AND a.id = 1"
+      else
+        ""
+
+    // Plain SQL
+    println(f fetch (
+      s"""
+      SELECT a.first_name, a.last_name, b.title
+      FROM t_author a
+      JOIN t_book b ON a.id = b.author_id
+      WHERE 1 = 1 $predicate
+      ORDER BY a.id, b.id
+      """)
+    )
   }
 }

jOOQ-test/src/test/java/org/jooq/test/all/testcases/PredicateTests.java

@@ -337,6 +337,7 @@ extends BaseTest<A, AP, B, S, B2S, BS, L, X, DATE, BOOL, D, T, U, UU, I, IPK, T7
             xxxx xxxxxxx
             xxxx xxxx
             xxxx xxxx
+            xxxx xxxxxxxxx
             xxxx xxxxxxx
             xxxx xxxxxxxxxx
             xx [/pro] */

jOOQ/src/main/java/org/jooq/impl/Alias.java

@@ -55,6 +55,7 @@ import static org.jooq.SQLDialect.FIREBIRD;
 import static org.jooq.SQLDialect.H2;
 import static org.jooq.SQLDialect.HSQLDB;
 // ...
+// ...
 import static org.jooq.SQLDialect.MARIADB;
 import static org.jooq.SQLDialect.MYSQL;
 // ...