ajantha-bhat commented on a change in pull request #3436: [CARBONDATA-3548]Geospatial Support: Modified to create and load the table with a nonschema dimension sort column. And added InPolygon UDF
URL:
https://github.com/apache/carbondata/pull/3436#discussion_r349539345
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File path: processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/RowConverterImpl.java
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@@ -161,11 +166,59 @@ public DictionaryClient call() throws Exception {
return null;
}
+ private int getDataFieldIndexByName(String column) {
+ for (int i = 0; i < fields.length; i++) {
+ if (fields[i].getColumn().getColName().equalsIgnoreCase(column)) {
+ return i;
+ }
+ }
+ return -1;
+ }
+
+ private String generateNonSchemaColumnValue(DataField field, CarbonRow row) {
+ Map<String, String> properties = configuration.getTableSpec().getCarbonTable()
+ .getTableInfo().getFactTable().getTableProperties();
+ String handler = properties.get(CarbonCommonConstants.INDEX_HANDLER
+ + "." + field.getColumn().getColName() + ".instance");
+ if (handler != null) {
+ try {
+ // TODO Need to check to how to store the instance. This serialization may be incorrect.
+ ByteArrayInputStream bis = new ByteArrayInputStream(Base64.getDecoder().decode(handler));
+ ObjectInputStream in = new ObjectInputStream(bis);
+ CustomIndex instance = (CustomIndex) in.readObject();
+ String sourceColumns = properties.get(CarbonCommonConstants.INDEX_HANDLER
+ + "." + field.getColumn().getColName() + ".sourcecolumns");
+ assert (sourceColumns != null);
+ String[] sources = sourceColumns.split(",");
+ int srcFieldIndex;
+ List<Object> sourceValues = new ArrayList<Object>();
+ for (String source : sources) {
+ srcFieldIndex = getDataFieldIndexByName(source);
+ assert (srcFieldIndex != -1);
+ sourceValues.add(row.getData()[srcFieldIndex]);
+ }
+ return instance.generate(sourceValues);
Review comment:
get instance from util function as discussed above for filter
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