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_r378309350
 
 

 ##########
 File path: 
core/src/main/java/org/apache/carbondata/core/constants/CarbonCommonConstants.java
 ##########
 @@ -2341,4 +2347,78 @@ 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;
+
+  /**
+   * threshold of high cardinality
+   */
+  @CarbonProperty
+  public static final String HIGH_CARDINALITY_THRESHOLD = 
"high.cardinality.threshold";
 
 Review comment:
   yes, removed

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