sp_flush_commit_table_on_demand (Transact-SQL MetaData) Definition

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The meta data is from an SQL 2012 Server.

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Definition:

sys.sp_flush_commit_table_on_demand(bigint @numrows)

MetaData:

 CREATE PROC sys.sp_flush_commit_table_on_demand (@numrows as BIGINT = NULL) AS  
BEGIN  
      
    IF (is_srvrolemember('sysadmin') = 0)  
    BEGIN  
        raiserror(21089,0,1)  
        return 1  
    END  
  
  
    IF (@numrows<=0)  
    BEGIN  
        raiserror(23100,0,1)  
        return 1  
    END  
      
  
    SET DEADLOCK_PRIORITY LOW  
  
    --  checking for change tracking side table watermark  
    DECLARE @cleanup_ts BIGINT  
    SET        @cleanup_ts = change_tracking_hardened_cleanup_version ()  
  
    --  checking for safe cleanup watermark  
    DECLARE @cleanup_version BIGINT  
    set @cleanup_version = safe_cleanup_version ()  
  
    IF @cleanup_ts > @cleanup_version  
        SET @cleanup_ts = @cleanup_version   
      
          
    IF (@numrows is null)  
    BEGIN  
        DELETE TOP(10000) sys.syscommittab WHERE commit_ts < @cleanup_ts              
        WHILE(@@ROWCOUNT>0)  
            DELETE TOP(10000) sys.syscommittab WHERE commit_ts < @cleanup_ts  
    END      
    ELSE IF( @numrows > 10000)                                                      
    BEGIN  
        DELETE TOP(10000) sys.syscommittab WHERE commit_ts < @cleanup_ts      
        SET @numrows-=10000  
        WHILE(@numrows > 0 and @@ROWCOUNT > 0)  
        BEGIN  
            DELETE TOP(10000) sys.syscommittab WHERE commit_ts < @cleanup_ts  
            SET @numrows-=10000  
        END  
    END  
    ELSE   
        DELETE TOP(@numrows) sys.syscommittab WHERE commit_ts < @cleanup_ts      
  
    DECLARE @dbname sysname  
    SET @dbname= DB_NAME()  
  
    raiserror(21092,-1,-1,@dbname) WITH LOG  
      
END