diff --git a/jOOQ/src/main/java/org/jooq/impl/AlterTableImpl.java b/jOOQ/src/main/java/org/jooq/impl/AlterTableImpl.java
index fa62b6686f..b050741821 100644
--- a/jOOQ/src/main/java/org/jooq/impl/AlterTableImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/AlterTableImpl.java
@@ -976,6 +976,8 @@ final class AlterTableImpl extends AbstractQuery implements
 
 
 
+
+
                     case H2:
                     case MARIADB:
                     case POSTGRES:
@@ -1078,6 +1080,9 @@ final class AlterTableImpl extends AbstractQuery implements
                         ctx.sql(' ').visit(K_SET_DATA_TYPE);
                         break;
 
+
+
+
                     case FIREBIRD:
                     case POSTGRES:
                         ctx.sql(' ').visit(K_TYPE);
diff --git a/jOOQ/src/main/java/org/jooq/impl/DropIndexImpl.java b/jOOQ/src/main/java/org/jooq/impl/DropIndexImpl.java
index 691c0f6fb9..eb1849f297 100644
--- a/jOOQ/src/main/java/org/jooq/impl/DropIndexImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/DropIndexImpl.java
@@ -50,6 +50,7 @@ import static org.jooq.SQLDialect.MYSQL;
 // ...
 // ...
 // ...
+// ...
 import static org.jooq.impl.DSL.name;
 import static org.jooq.impl.DSL.table;
 import static org.jooq.impl.Keywords.K_DROP_INDEX;
diff --git a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
index 68ac1854bd..a3e163823e 100644
--- a/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/ParserImpl.java
@@ -2641,7 +2641,7 @@ final class ParserImpl implements Parser {
         return Internal.createIndex(name == null ? DSL.name("") : name, table, fields, false);
     }
 
-    private static boolean parseConstraintStateIf(ParserContext ctx) {
+    private static final boolean parseConstraintStateIf(ParserContext ctx) {
         parseKeywordIf(ctx, "ENABLE");
         return true;
     }
@@ -7183,7 +7183,6 @@ final class ParserImpl implements Parser {
                     if (parseKeywordOrIdentifierIf(ctx, "WITHOUT TIME ZONE") || true)
                         return precision == null ? SQLDataType.TIME : SQLDataType.TIME(precision);
                 }
-
                 else if (parseKeywordOrIdentifierIf(ctx, "TINYBLOB"))
                     return SQLDataType.BLOB;
                 else if (parseKeywordOrIdentifierIf(ctx, "TINYINT"))
diff --git a/jOOQ/src/main/java/org/jooq/impl/UpdateQueryImpl.java b/jOOQ/src/main/java/org/jooq/impl/UpdateQueryImpl.java
index e26d7ee7a7..c0aaae663c 100644
--- a/jOOQ/src/main/java/org/jooq/impl/UpdateQueryImpl.java
+++ b/jOOQ/src/main/java/org/jooq/impl/UpdateQueryImpl.java
@@ -56,6 +56,7 @@ import static org.jooq.SQLDialect.POSTGRES;
 import static org.jooq.SQLDialect.POSTGRES_10;
 // ...
 // ...
+// ...
 import static org.jooq.conf.SettingsTools.getExecuteUpdateWithoutWhere;
 import static org.jooq.impl.DSL.select;
 import static org.jooq.impl.Keywords.K_FROM;
@@ -459,9 +460,8 @@ final class UpdateQueryImpl<R extends Record> extends AbstractStoreQuery<R> impl
 
     @Override
     public final void addFrom(Collection<? extends TableLike<?>> f) {
-        for (TableLike<?> provider : f) {
+        for (TableLike<?> provider : f)
             from.add(provider.asTable());
-        }
     }
 
     @Override
@@ -635,16 +635,16 @@ final class UpdateQueryImpl<R extends Record> extends AbstractStoreQuery<R> impl
 
 
 
+
             default:
                 ctx.start(UPDATE_FROM);
 
-                if (!from.isEmpty()) {
+                if (!from.isEmpty())
                     ctx.formatSeparator()
                        .visit(K_FROM).sql(' ')
                        .declareTables(true)
                        .visit(from)
                        .declareTables(false);
-                }
 
                 ctx.end(UPDATE_FROM);
                 break;