[jOOQ/jOOQ#13553] Add asMultiset(Field<?>|Name|String alias) overloads.

jOOQ/src/main/java/org/jooq/TableLike.java

@@ -50,7 +50,6 @@ import static org.jooq.SQLDialect.SQLITE;
 // ...
 // ...
 import static org.jooq.SQLDialect.YUGABYTEDB;
-import static org.jooq.impl.DSL.selectFrom;
 
 import java.util.Collection;
 import java.util.function.BiFunction;
@@ -85,6 +84,30 @@ extends
     @Support({ H2, MARIADB, MYSQL, POSTGRES, SQLITE, YUGABYTEDB })
     Field<Result<R>> asMultiset();
 
+    /**
+     * Turn this {@link TableLike} expression into a
+     * {@link DSL#multiset(TableLike)}.
+     */
+    @NotNull
+    @Support({ H2, MARIADB, MYSQL, POSTGRES, SQLITE, YUGABYTEDB })
+    Field<Result<R>> asMultiset(String alias);
+
+    /**
+     * Turn this {@link TableLike} expression into a
+     * {@link DSL#multiset(TableLike)}.
+     */
+    @NotNull
+    @Support({ H2, MARIADB, MYSQL, POSTGRES, SQLITE, YUGABYTEDB })
+    Field<Result<R>> asMultiset(Name alias);
+
+    /**
+     * Turn this {@link TableLike} expression into a
+     * {@link DSL#multiset(TableLike)}.
+     */
+    @NotNull
+    @Support({ H2, MARIADB, MYSQL, POSTGRES, SQLITE, YUGABYTEDB })
+    Field<Result<R>> asMultiset(Field<?> alias);
+
     /**
      * The underlying table representation of this object.
      * <p>

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

@@ -307,6 +307,21 @@ abstract class AbstractTable<R extends Record> extends AbstractNamed implements
         return DSL.multiset(this);
     }
 
+    @Override
+    public final Field<Result<R>> asMultiset(String alias) {
+        return DSL.multiset(this).as(alias);
+    }
+
+    @Override
+    public final Field<Result<R>> asMultiset(Name alias) {
+        return DSL.multiset(this).as(alias);
+    }
+
+    @Override
+    public final Field<Result<R>> asMultiset(Field<?> alias) {
+        return DSL.multiset(this).as(alias);
+    }
+
     @Override
     public final Table<R> asTable() {
         return this;

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

@@ -2871,6 +2871,21 @@ implements
         return getDelegate().asMultiset();
     }
 
+    @Override
+    public final Field<Result<R>> asMultiset(String alias) {
+        return getDelegate().asMultiset(alias);
+    }
+
+    @Override
+    public final Field<Result<R>> asMultiset(Name alias) {
+        return getDelegate().asMultiset(alias);
+    }
+
+    @Override
+    public final Field<Result<R>> asMultiset(Field<?> alias) {
+        return getDelegate().asMultiset(alias);
+    }
+
     @Override
     public final Table<R> asTable() {
         return getDelegate().asTable();

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

@@ -662,6 +662,21 @@ final class SelectQueryImpl<R extends Record> extends AbstractResultQuery<R> imp
         return DSL.multiset(this);
     }
 
+    @Override
+    public final Field<Result<R>> asMultiset(String alias) {
+        return DSL.multiset(this).as(alias);
+    }
+
+    @Override
+    public final Field<Result<R>> asMultiset(Name alias) {
+        return DSL.multiset(this).as(alias);
+    }
+
+    @Override
+    public final Field<Result<R>> asMultiset(Field<?> alias) {
+        return DSL.multiset(this).as(alias);
+    }
+
     @Override
     public final Table<R> asTable() {
         // [#13349] Delay the possibly expensive computation of the auto alias,