shenodaguirguis commented on a change in pull request #2496:
URL: https://github.com/apache/iceberg/pull/2496#discussion_r617877540
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File path: api/src/main/java/org/apache/iceberg/types/Types.java
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@@ -415,42 +415,74 @@ public int hashCode() {
public static class NestedField implements Serializable {
public static NestedField optional(int id, String name, Type type) {
- return new NestedField(true, id, name, type, null);
+ return new NestedField(true, id, name, type, null, null);
}
public static NestedField optional(int id, String name, Type type, String
doc) {
- return new NestedField(true, id, name, type, doc);
+ return new NestedField(true, id, name, type, null, doc);
+ }
+
+ public static NestedField optional(int id, String name, Type type, Object
defaultValue, String doc) {
+ return new NestedField(true, id, name, type, defaultValue, doc);
+ }
+
+ public static NestedField optionalWithDefault(int id, String name, Type
type, Object defaultValue) {
+ return new NestedField(true, id, name, type, defaultValue, null);
}
public static NestedField required(int id, String name, Type type) {
- return new NestedField(false, id, name, type, null);
+ return new NestedField(false, id, name, type, null, null);
}
public static NestedField required(int id, String name, Type type, String
doc) {
- return new NestedField(false, id, name, type, doc);
+ return new NestedField(false, id, name, type, null, doc);
+ }
+
+ public static NestedField required(int id, String name, Type type, Object
defaultValue, String doc) {
+ validateDefaultValueForRequiredField(defaultValue);
+ return new NestedField(false, id, name, type, defaultValue, doc);
+ }
+
+ public static NestedField requiredWithDefault(int id, String name, Type
type, Object defaultValue) {
+ validateDefaultValueForRequiredField(defaultValue);
+ return new NestedField(false, id, name, type, defaultValue, null);
}
public static NestedField of(int id, boolean isOptional, String name, Type
type) {
- return new NestedField(isOptional, id, name, type, null);
+ return new NestedField(isOptional, id, name, type, null, null);
}
public static NestedField of(int id, boolean isOptional, String name, Type
type, String doc) {
- return new NestedField(isOptional, id, name, type, doc);
+ return new NestedField(isOptional, id, name, type, null, doc);
+ }
+
+ public static NestedField of(int id, boolean isOptional, String name, Type
type, Object defaultValue, String doc) {
+ return new NestedField(isOptional, id, name, type, defaultValue, doc);
+ }
+
+ private static void validateDefaultValueForRequiredField(Object
defaultValue) {
+ Preconditions.checkNotNull(defaultValue, "defaultValue cannot be null
for a required field");
}
private final boolean isOptional;
private final int id;
private final String name;
private final Type type;
+ private final Object defaultValue;
Review comment:
makes sense
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