Github user ravipesala commented on a diff in the pull request:
https://github.com/apache/incubator-carbondata/pull/251#discussion_r85270229
--- Diff:
processing/src/main/java/org/apache/carbondata/processing/util/CarbonDataProcessorUtil.java
---
@@ -304,4 +311,92 @@ public static String getLocalDataFolderLocation(String
databaseName, String tabl
return ArrayUtils
.toPrimitive(noDictionaryMapping.toArray(new
Boolean[noDictionaryMapping.size()]));
}
+
+ /**
+ * Preparing the boolean [] to map whether the dimension use inverted
index or not.
+ */
+ public static boolean[] getIsUseInvertedIndex(DataField[] fields) {
+ List<Boolean> isUseInvertedIndexList = new ArrayList<Boolean>();
+ for (DataField field : fields) {
+ if (field.getColumn().isUseInvertedIndnex() &&
field.getColumn().isDimesion()) {
+ isUseInvertedIndexList.add(true);
+ } else if(field.getColumn().isDimesion()){
+ isUseInvertedIndexList.add(false);
+ }
+ }
+ return ArrayUtils
+ .toPrimitive(isUseInvertedIndexList.toArray(new
Boolean[isUseInvertedIndexList.size()]));
+ }
+
+ private static String getComplexTypeString(DataField[] dataFields) {
+ StringBuilder dimString = new StringBuilder();
+ for (int i = 0; i < dataFields.length; i++) {
+ DataField dataField = dataFields[i];
+ if (dataField.getColumn().getDataType().equals(DataType.ARRAY) ||
dataField.getColumn()
+ .getDataType().equals(DataType.STRUCT)) {
+ addAllComplexTypeChildren((CarbonDimension) dataField.getColumn(),
dimString, "");
+ dimString.append(CarbonCommonConstants.SEMICOLON_SPC_CHARACTER);
+ }
+ }
+ return dimString.toString();
+ }
+
+ /**
+ * This method will return all the child dimensions under complex
dimension
+ *
+ */
+ private static void addAllComplexTypeChildren(CarbonDimension dimension,
StringBuilder dimString,
+ String parent) {
+ dimString.append(
+ dimension.getColName() + CarbonCommonConstants.COLON_SPC_CHARACTER
+ dimension.getDataType()
--- End diff --
ok
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