rdblue commented on a change in pull request #619: Add schema validator
URL: https://github.com/apache/incubator-iceberg/pull/619#discussion_r344417103
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File path: api/src/main/java/org/apache/iceberg/Schema.java
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@@ -53,10 +54,24 @@
public Schema(List<Types.NestedField> columns, Map<String, Integer> aliases)
{
this.struct = Types.StructType.of(columns);
this.aliasToId = aliases != null ? ImmutableBiMap.copyOf(aliases) : null;
+
+ List<String> invalidFields = TypeUtil.validateFields(struct);
+ if (invalidFields.size() > 0) {
+ throw new ValidationException("Invalid Schema, please check fields: " +
+ Joiner.on(",").join(invalidFields.iterator()));
+ }
+
}
public Schema(List<Types.NestedField> columns) {
this.struct = Types.StructType.of(columns);
+ List<String> invalidFields = TypeUtil.validateFields(struct);
+
+ if (invalidFields.size() > 0) {
+ throw new ValidationException("Invalid Schema, please check fields: " +
+ Joiner.on(",").join(invalidFields.iterator()));
Review comment:
Nit: missing a space in the separator after `,`.
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