rdblue commented on a change in pull request #220: Support parsing of special
characters in TypeToSchema visitor
URL: https://github.com/apache/incubator-iceberg/pull/220#discussion_r294398404
##########
File path: core/src/main/java/org/apache/iceberg/avro/TypeToSchema.java
##########
@@ -214,4 +216,58 @@ public Schema primitive(Type.PrimitiveType primitive) {
return primitiveSchema;
}
+
+ private static String sanitize(String name) {
+ if (validAvroName(name)) {
+ return name;
+ }
+ int length = name.length();
+ StringBuilder sb = new StringBuilder(name.length());
+ char first = name.charAt(0);
+ if (!(Character.isLetter(first) || first == '_')) {
+ sb.append(sanitizedValue(first));
+ } else {
+ sb.append(first);
+ }
+ for (int i = 1; i < length; i++) {
+ char character = name.charAt(i);
+ if (!(Character.isLetterOrDigit(character) || character == '_')) {
+ sb.append(sanitizedValue(character));
+ } else {
+ sb.append(character);
+ }
+ }
+ return sb.toString();
+ }
+
+ private static final Map<Character, String> SANITIZE_MAP = new ImmutableMap
+ .Builder<Character, String>()
+ .put('.', "__DOT__").put('#', "__HASH__")
Review comment:
I don't think that will be necessary, but it would probably be a good idea
to add a property with the original Iceberg name, just in case we ever want to.
That's easier than converting back because the name could actually be
`__HASH__`.
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