[hotfix][table] Fix typo for method name in FieldReferenceLookup.

This closes apache#8393

flink-table/flink-table-planner/src/main/java/org/apache/flink/table/expressions/lookups/FieldReferenceLookup.java

@@ -65,7 +65,7 @@ public Optional<FieldReferenceExpression> lookupField(String name) {
  } else if (matchingFields.size() == 0) {
  return Optional.empty();
  } else {
- throw failAmbigousColumn(name);
+ throw failAmbiuguousColumn(name);
  }
  }
 
@@ -97,14 +97,14 @@ private static Map<String, FieldReferenceExpression> prepareFieldsInInput(TableO
  FieldReferenceExpression::getName,
  Function.identity(),
  (fieldRef1, fieldRef2) -> {
- throw failAmbigousColumn(fieldRef1.getName());
+ throw failAmbiuguousColumn(fieldRef1.getName());
  },
  // we need to maintain order of fields within input for resolving e.g. '*' reference
  LinkedHashMap::new
  ));
  }
 
- private static ValidationException failAmbigousColumn(String name) {
- return new ValidationException("Ambigous column name: " + name);
+ private static ValidationException failAmbiuguousColumn(String name) {
+ return new ValidationException("Ambiguous column name: " + name);
  }
 }