noob-se7en commented on code in PR #15904:
URL: https://github.com/apache/pinot/pull/15904#discussion_r2107807760


##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/utils/TableConfigUtils.java:
##########
@@ -1297,9 +1297,16 @@ private static void validateFieldConfigList(TableConfig 
tableConfig, Schema sche
       validateForwardIndexDisabledIndexCompatibility(columnName, fieldConfig, 
indexingConfig, schema, tableType);
 
       // Validate bloom filter is not added to boolean column
-      if (fieldConfig.getIndexes() != null && 
fieldConfig.getIndexes().has("bloom")) {
-        Preconditions.checkState(fieldSpec.getDataType() != 
FieldSpec.DataType.BOOLEAN,
-          "Cannot create a bloom filter on boolean column " + columnName);
+      if (fieldConfig.getIndexes() != null) {
+        if (fieldConfig.getIndexes().has("bloom")) {
+          Preconditions.checkState(fieldSpec.getDataType() != 
FieldSpec.DataType.BOOLEAN,
+              "Cannot create a bloom filter on boolean column " + columnName);
+        }
+        if (fieldConfig.getIndexes().has("inverted")) {
+          Preconditions.checkState(fieldConfig.getEncodingType() == 
EncodingType.DICTIONARY,
+              "Cannot create inverted index on column: %s, it can only be 
applied to dictionary encoded columns",
+              columnName);
+        }

Review Comment:
   Looks like we need to handle enablement config as well inside of each config.
   From code it looks like IndexCreator donot read enablement config.



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