[jOOQ/jOOQ#11061] Delay application of nullability of DataTypeProxy

A the time a condition is formed from FieldProxy components that reference DataTypeProxy, the data type is not yet known, so making it nullable must be a proxied, delaying operation as well.

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

@@ -0,0 +1,117 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
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+ *  http://www.apache.org/licenses/LICENSE-2.0
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+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
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+ *
+ * Other licenses:
+ * -----------------------------------------------------------------------------
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+ * ASL 2.0 and offer limited warranties, support, maintenance, and commercial
+ * database integrations.
+ *
+ * For more information, please visit: http://www.jooq.org/licenses
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+package org.jooq.impl;
+
+import static org.jooq.Nullability.NOT_NULL;
+
+import org.jooq.CharacterSet;
+import org.jooq.Collation;
+import org.jooq.Comment;
+import org.jooq.DataType;
+import org.jooq.Field;
+import org.jooq.Name;
+import org.jooq.Nullability;
+
+/**
+ * @author Lukas Eder
+ */
+abstract class AbstractDataTypeX<T> extends AbstractDataType<T> {
+
+    /**
+     * Generated UID
+     */
+    private static final long serialVersionUID = 4155588654449505119L;
+
+    AbstractDataTypeX(Name name, Comment comment) {
+        super(name, comment);
+    }
+
+    /**
+     * [#7811] Allow for subtypes to override the constructor
+     */
+    abstract AbstractDataTypeX<T> construct(
+        Integer newPrecision,
+        Integer newScale,
+        Integer newLength,
+        Nullability newNullability,
+        Collation newCollation,
+        CharacterSet newCharacterSet,
+        boolean newIdentity,
+        Field<T> newDefaultValue
+    );
+
+    @Override
+    public final DataType<T> nullability(Nullability n) {
+        return construct(precision0(), scale0(), length0(), n, collation(), characterSet(), n.nullable() ? false : identity(), defaultValue());
+    }
+
+    @Override
+    public final DataType<T> collation(Collation c) {
+        return construct(precision0(), scale0(), length0(), nullability(), c, characterSet(), identity(), defaultValue());
+    }
+
+    @Override
+    public final DataType<T> characterSet(CharacterSet c) {
+        return construct(precision0(), scale0(), length0(), nullability(), collation(), c, identity(), defaultValue());
+    }
+
+    @Override
+    public final DataType<T> identity(boolean i) {
+        return construct(precision0(), scale0(), length0(), i ? NOT_NULL : nullability(), collation(), characterSet(), i, defaultValue());
+    }
+
+    @Override
+    public final DataType<T> default_(Field<T> d) {
+        return construct(precision0(), scale0(), length0(), nullability(), collation(), characterSet(), identity(), d);
+    }
+
+    @Override
+    final AbstractDataTypeX<T> precision1(Integer p, Integer s) {
+        return construct(p, s, length0(), nullability(), collation(), characterSet(), identity(), defaultValue());
+    }
+
+    @Override
+    final AbstractDataTypeX<T> scale1(Integer s) {
+        return construct(precision0(), s, length0(), nullability(), collation(), characterSet(), identity(), defaultValue());
+    }
+
+    @Override
+    final AbstractDataTypeX<T> length1(Integer l) {
+        return construct(precision0(), scale0(), l, nullability(), collation(), characterSet(), identity(), defaultValue());
+    }
+}