vvysotskyi commented on a change in pull request #1985: DRILL-7565: ANALYZE 
TABLE ... REFRESH METADATA does not work for empty Parquet files
URL: https://github.com/apache/drill/pull/1985#discussion_r380077493
 
 

 ##########
 File path: 
exec/java-exec/src/main/java/org/apache/drill/exec/ExecConstants.java
 ##########
 @@ -511,6 +511,11 @@ private ExecConstants() {
       new OptionDescription("Available as of Drill 1.17. Sets the implicit 
column name for the lastModifiedTime column. " +
           "For internal usage when producing Metastore analyze."));
 
+  public static final String IMPLICIT_PROJECT_METADATA_COLUMN_LABEL = 
"drill.exec.storage.implicit.project_metadata.column.label";
+  public static final OptionValidator 
IMPLICIT_PROJECT_METADATA_COLUMN_LABEL_VALIDATOR = new 
StringValidator(IMPLICIT_PROJECT_METADATA_COLUMN_LABEL,
+      new OptionDescription("Available as of Drill 1.18. Sets the implicit 
column name for the $project_metadata$ column. " +
 
 Review comment:
   Good point about that. I specified version here and in other places to be 
consistent with other options descriptions.
   I think adding version in options descriptions was done to simplify updating 
docs for Drill Web site - there is no need to look up for the commit date and 
version of Drill, where it was added, just copy and paste it from Drill Web-UI, 
or from this class.

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