akashrn5 commented on a change in pull request #3608:
[CARBONDATA-3680][alpha-feature]Support Secondary Index feature on carbon table.
URL: https://github.com/apache/carbondata/pull/3608#discussion_r378811841
##########
File path:
core/src/main/java/org/apache/carbondata/core/constants/CarbonCommonConstants.java
##########
@@ -2341,4 +2347,72 @@ private CarbonCommonConstants() {
* Default first day of week
*/
public static final String CARBON_TIMESERIES_FIRST_DAY_OF_WEEK_DEFAULT =
"SUNDAY";
+
+ @CarbonProperty
+ public static final String CARBON_PUSH_LEFTSEMIEXIST_JOIN_AS_IN_FILTER =
+ "carbon.infilter.subquery.pushdown.enable";
+
+
+ /**
+ * CARBON_PUSH_LEFTSEMIEXIST_JOIN_AS_IN_FILTER_DEFAULT
+ */
+ public static final String
CARBON_PUSH_LEFTSEMIEXIST_JOIN_AS_IN_FILTER_DEFAULT = "false";
+
+ /**
+ * key to get broadcast record size from properties
+ */
+ @CarbonProperty
+ public static final String BROADCAST_RECORD_SIZE = "broadcast.record.size";
+
+ /**
+ * default broadcast record size
+ */
+ public static final String DEFAULT_BROADCAST_RECORD_SIZE = "100";
+
+ /**
+ * to enable SI lookup partial string
+ */
+ @CarbonProperty
+ public static final String ENABLE_SI_LOOKUP_PARTIALSTRING =
"carbon.si.lookup.partialstring";
+
+ /**
+ * default value of ENABLE_SI_LOOKUP_PARTIALSTRING
+ */
+ public static final String ENABLE_SI_LOOKUP_PARTIALSTRING_DEFAULT = "true";
+
+ /**
+ * configuration for launching the number of threads during secondary index
creation
+ */
+ @CarbonProperty
+ public static final String CARBON_SECONDARY_INDEX_CREATION_THREADS =
+ "carbon.secondary.index.creation.threads";
+
+ /**
+ * default value configuration for launching the number of threads during
secondary
+ * index creation
+ */
+ public static final String CARBON_SECONDARY_INDEX_CREATION_THREADS_DEFAULT =
"1";
+
+ /**
+ * max value configuration for launching the number of threads during
secondary
+ * index creation
+ */
+ public static final int CARBON_SECONDARY_INDEX_CREATION_THREADS_MAX = 50;
+
+ /**
+ * Enable SI segment Compaction / merge small files
+ */
+ @CarbonProperty
+ public static final String CARBON_SI_SEGMENT_MERGE =
"carbon.si.segment.merge";
+
+ /**
+ * Default value for SI segment Compaction / merge small files
+ * Making this true degrade the LOAD performance
+ * When the number of small files increase for SI segments(it can happen as
number of columns will
+ * be less and we store position id and reference columns), user an either
set to true which will
+ * merge the data files for upcoming loads or run SI rebuild command which
does this job for all
+ * segments. (REBUILD INDEX <index_table>)
+ */
+ public static final String DEFAULT_CARBON_SI_SEGMENT_MERGE = "false";
Review comment:
done
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