Github user manishgupta88 commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2651#discussion_r212582796
--- Diff:
store/sdk/src/main/java/org/apache/carbondata/sdk/file/CarbonWriterBuilder.java
---
@@ -272,6 +272,56 @@ public CarbonWriterBuilder withLoadOptions(Map<String,
String> options) {
return this;
}
+ /**
+ * To support the table properties for sdk writer
+ *
+ * @param options key,value pair of create table properties.
+ * supported keys values are
+ * a. blocksize -- [1-2048] values in MB. Default value is 1024
+ * b. blockletsize -- values in MB. Default value is 64 MB
+ * c. localDictionaryThreshold -- positive value, default is 10000
+ * d. enableLocalDictionary -- true / false. Default is false
+ * e. sortcolumns -- comma separated column. "c1,c2". Default all
dimensions are sorted.
+ *
+ * @return updated CarbonWriterBuilder
+ */
+ public CarbonWriterBuilder withTableProperties(Map<String, String>
options) {
+ Objects.requireNonNull(options, "Table properties should not be null");
+ //validate the options.
+ if (options.size() > 5) {
+ throw new IllegalArgumentException("Supports only 5 options now. "
+ + "Refer method header or documentation");
+ }
+
+ for (String option: options.keySet()) {
+ if (!option.equalsIgnoreCase("blocksize") &&
+ !option.equalsIgnoreCase("blockletsize") &&
+ !option.equalsIgnoreCase("localDictionaryThreshold") &&
+ !option.equalsIgnoreCase("enableLocalDictionary") &&
+ !option.equalsIgnoreCase("sortcolumns")) {
+ throw new IllegalArgumentException("Unsupported options. "
--- End diff --
Better to put all the allowed options in a set and then each property u can
check using Set.Contains API which will be faster and a cleaner code
---
