diff --git a/sources/framework/VEModel/R/environment.R b/sources/framework/VEModel/R/environment.R
index 875de9ea..e6524836 100644
--- a/sources/framework/VEModel/R/environment.R
+++ b/sources/framework/VEModel/R/environment.R
@@ -154,8 +154,7 @@ loadRuntimeConfig <- function() {
   # ParamDir defaults to ve.runtime
   ve.env <- runtimeEnvironment()
   if ( is.null(ve.env$ve.runtime) ) setRuntimeDirectory() # VE_RUNTIME or getwd()
-  # TODO: load/build VE package manifest (for installModel, plus list
-  # of modules).
+  # TODO: load/build VE package manifest (for installModel, plus list of modules).
   # buildPackageManifest() # file called .VE-packages.lst (hidden attribute like .REnviron).
   return( visioneval::loadConfiguration(ParamDir=ve.env$ve.runtime) )
 }
@@ -163,7 +162,6 @@ loadRuntimeConfig <- function() {
 #GET RUNTIME SETUP
 #=================
 
-# TODO: Add VEResults as a supported object type (and return the RunParam_ls from its model state.
 #' Return runtime base RunParam_ls (loading it if not present)
 #'
 #' \code{getSetup} gets a subset of the current runParameters by name. It does NOT
@@ -276,6 +274,7 @@ viewSetup <- function(object=NULL,Param_ls=NULL,fromFile=FALSE,
 updateSetup <- function(object=NULL,inFile=TRUE,Source="interactive",Param_ls=list(),drop=character(0),...) {
   # TODO: for purposes of model Run Status, change status of "object" to "now" so when we next run
   # the model, stages with a "RunComplete" time stamp earlier than now will all be marked for reset.
+  # Probably not a big deal since manual reset is better in any case.
 
   # merge ... into Param_ls (expecting a named list of arbitrary parameters)
   Param_ls <- visioneval::mergeParameters(
diff --git a/sources/framework/VEModel/R/export.R b/sources/framework/VEModel/R/export.R
index 61286f59..d8ff0369 100644
--- a/sources/framework/VEModel/R/export.R
+++ b/sources/framework/VEModel/R/export.R
@@ -138,7 +138,7 @@ ve.partition.partition <- function(theData,Table) {
       nValue <- locFields[[n]]
       locSelection <- locSelection & (theData[[n]] == nValue) # knock off rows not matching this value
     }
-    tableLoc <- VETableLocator$new(Paths=Paths,Names=Names,Table=Table,Range=which(locSelection))
+    tableLoc <- VETableLocator$new(Paths=Paths,Names=Names,Table=Table,Range=which(locSelection),hive=self$Hive)
     TableLocs[[tableLoc$tableString()]] <- tableLoc
   }
   return(TableLocs)
@@ -147,7 +147,7 @@ ve.partition.partition <- function(theData,Table) {
 ve.partition.locate <- function(theData,Table) {
   # Creates a TableLoc for an unpartitioned Table
   # Used in VEExporter$write for arbitrary data, including query results and metadata
-  tableLoc <- VETableLocator$new(Table=Table,Range=1:nrow(theData))
+  tableLoc <- VETableLocator$new(Table=Table,Range=1:nrow(theData)) # hive always false in this case
   locList <- list()
   locList[[ tableLoc$tableString() ]] <- tableLoc
   return( locList)
@@ -167,7 +167,8 @@ VEPartition <- R6::R6Class(
   "VEPartition",
   public = list(
     # public data
-    Partition = character(0),           # Describes fields to be partitioned into different output tables
+    Partition = character(0),         # Describes fields to be partitioned into different output tables
+    Hive = FALSE,                     # Set to TRUE to make folders be Field=Value when creating partitioned locations
 
     # methods
     initialize=ve.partition.init,     # initialize internal partition
@@ -209,7 +210,7 @@ VEPartition <- R6::R6Class(
 # @param pathSep a character string used to separate path elements when building the table name
 # @param nameSep a character string used to separate name elements when building the table name
 # @param tableSep a character string used to separate path elements from table plus name elements;
-#
+
 ve.locator.string <- function(
   pathSep="/", nameSep="_", tableSep=":"
 ) {
@@ -217,6 +218,7 @@ ve.locator.string <- function(
     paste(self$Table,paste(self$Names,collapse=nameSep),sep=nameSep)
   } else self$Table
   if ( length(self$Paths) > 0 ) {
+    Paths <- if ( self$Hive ) paste(names(self$Paths),self$Paths,sep="=") else self$Paths
     tableString <- paste(paste(self$Paths,collapse=pathSep),tableString,sep=tableSep)
   }
   return(tableString)
@@ -230,11 +232,12 @@ ve.locator.print <- function(...) {
 }
 
 # Initialize a VETableLocator
-ve.locator.init <- function(Table,Range=integer(0),Paths=character(0),Names=character(0)) {
-  self$Paths = Paths
+ve.locator.init <- function(Table,Range=integer(0),Paths=character(0),Names=character(0),hive=FALSE) {
+  self$Paths = Paths # For Hive to work, Paths must be a named character vector
   self$Names = Names
   self$Table = Table
   self$Range = Range
+  self$Hive  = hive
 }
 
 ve.locator.append <- function(Name) self$Names <- append(self$Names,Name)
@@ -249,6 +252,7 @@ VETableLocator <- R6::R6Class(
     Paths = character(0),
     Names = character(0),
     Table = NULL,
+    Hive  = FALSE,
 
     # methods
     initialize=ve.locator.init,    # Create the table location
@@ -405,6 +409,7 @@ ve.exporter.init <- function(Model,load=NULL,tag="default",connection=NULL,parti
   # either of the following may stop if the Configuration is inadequate
   self$Connection <- makeVEConnection(Model,self$Configuration$Connection) # Returns a VEConnection subclass
   self$Partition <- VEPartition$new(self$Configuration$Partition)
+  self$Partition$Hive <- self$Connection$Hive # True for Parquet, generally false otherwise
 }
 
 # subclasses will do more with Connection and Partition prior to saving them
@@ -561,7 +566,6 @@ ve.exporter.metadata <- function() {
   #  the Units actually written plus the N description. DBTableName is the locator encoded
   #  form (makeTableString with default parameters). Metadata is just intended to understand
   #  what is in TableName.
-  # TODO: actually build the full metadata (S/G/T/N/...) while writing tables
   metadatalist <- lapply( names(self$TableList), function(t) {
     metadata <- self$TableList[[t]]
   } )
@@ -687,7 +691,7 @@ ve.connection.missing <- function(dataFields,Table) {
 }
 
 # ve.connection.init        <- function(config) {} # initialize the connection from parameters
-ve.connection.init <- function(Model,config,reopen=FALSE) {
+ve.connection.init <- function(Model,config,reopen=FALSE,hive=FALSE) {
   # Add Timestamp if it is going to be part of the database name (or the CSV/Parquet folder)
   if ( ! reopen ) {
     if ( "Timestamp" %in% names(config) && isTRUE(config[["Timestamp"]]=="database") ) {
@@ -700,6 +704,7 @@ ve.connection.init <- function(Model,config,reopen=FALSE) {
     }
     # derived classes may then use Timestamp and TimeSeparator to create the Database/Folder name
   }
+  self$Hive <- hive # make sure hive gets saved and loaded...
 }
 
 # Generic implementation uses derived class functions to do the work
@@ -747,6 +752,8 @@ VEConnection <- R6::R6Class(
     # public data
     Timestamp     = NULL, # pull from config
     TimeSeparator = NULL, # defaults to "_" if Timestamp exists
+    Hive          = FALSE, # connection wants "hive" partitioning (Parquet sets in its constructor;
+                           # can be set manually for other connection types like CSV)
 
     # methods (each connecton type will implement its own version of these)
     initialize  = ve.connection.init,           # call from subclasses to establish internal connection and partition
@@ -783,7 +790,7 @@ VEConnection <- R6::R6Class(
     createTable = function(Data,Table) NULL,    # Create or re-create a Table from scratch (includes append)
     appendTable = function(Data,Table) NULL,    # perform low-level append data operation
     readTable   = function(Table) NULL,         # Read named table into a data.frame
-    save        = function() return(list()),    # Return private data for saving/reopening connnection
+    save        = function() return(list(Hive=self$Hive)),    # Return private data for saving/reopening connnection
     open        = function() NULL,              # Reopen the connection (optional for DBI)
     close       = function() NULL               # Close connection (needed for DBI)
     # 'Table' should be a TableLocator string built with nameTable for the Connection
@@ -851,9 +858,9 @@ VEConnection.Dataframe <- R6::R6Class(
 #################################
 
 #' @import data.table
-ve.connection.csv.init      <- function(Model,config,reopen=FALSE) {
+ve.connection.csv.init      <- function(Model,config,reopen=FALSE,hive=FALSE) {
   # CSV provides a default name for Directory
-  super$initialize(Model,config)
+  super$initialize(Model,config,hive)
   if ( ! reopen ) {
     if ( ! "Directory" %in% names(config) ) {
       if ( "Database" %in% names(config) ) {
@@ -943,7 +950,7 @@ VEConnection.CSV <- R6::R6Class(
     readTable     = ve.connection.csv.readTable,
 
     # methods
-    save          = function() return(private$Directory)
+    save          = function() return(c(super$save(),list(Directory=private$Directory)))
   ),
   private = list(
     Directory = NULL    # Default to "OutputDir/Export_CSV<TimeSeparator><Timestamp>" in initializer
@@ -959,8 +966,8 @@ VEConnection.CSV <- R6::R6Class(
 #' @import DBI
 #' @import RSQLite
 #' @importFrom methods new
-ve.connection.dbi.init <- function(Model,config,reopen=FALSE) {
-  super$initialize(Model,config)
+ve.connection.dbi.init <- function(Model,config,reopen=FALSE,hive=FALSE) {
+  super$initialize(Model,config,hive)
   # Two avenues here:
   # If we're missing a full DBI configuration, presume SQLite
   # If there is a full DBI configuration, fill in blanks like dbname from outside Database
@@ -1209,10 +1216,11 @@ connectionList <- list(
 #'    is the name of the connection specification block (either a built-in default or defined in the model
 #'    or global visioneval.cnf).
 #' @param reopen if TRUE will not create a new database name (using saved configuration), otherwise
-#''   build a new name (not all connection types will care - mostly to avoid Timestamp problems)
+#'    build a new name (not all connection types will care - mostly to avoid Timestamp problems)
+#' @param hive if TRUE will produce path elements as Field=Value, otherwise just Value
 #' @return A VEConnection (or derived) object giving access to the VisionEval results in `path`
 #' @export
-makeVEConnection <- function(Model,config=list(driver="csv"),reopen=FALSE) {
+makeVEConnection <- function(Model,config=list(driver="csv"),reopen=FALSE,hive=FALSE) {
   # Usually called from within VEExportef initialization, which will provide
   #   useful connection defaults
   # Find driver class from config (default is "csv")
@@ -1228,5 +1236,5 @@ makeVEConnection <- function(Model,config=list(driver="csv"),reopen=FALSE) {
     writeLog(paste("Creating Driver for ",driverClass$classname),Level="info")
   }
   # Create new driver object using "config"
-  return ( driverClass$new(Model,config,reopen) )
+  driverObject <- driverClass$new(Model,config,reopen,hive)
 }
diff --git a/sources/framework/VEModel/R/models.R b/sources/framework/VEModel/R/models.R
index e167dcb2..db5f1677 100644
--- a/sources/framework/VEModel/R/models.R
+++ b/sources/framework/VEModel/R/models.R
@@ -925,7 +925,6 @@ ve.model.clear <- function(force=FALSE,outputOnly=NULL,archives=FALSE,stage=NULL
 
   if ( ! isTRUE(outputOnly) && ! isTRUE(archives) && is.character(stage) ) {
     # keep only files in subdirectories matching stage$Dir in results
-    # TODO: make this work so stages passed by name will have their results selected (only)
     stageDirs <- sapply(self$modelStages[stage],function(s) s$Dir)
     stage <- stage[ stage!="." & stage %in% stageDirs ]
     if ( any(stages) ) {
@@ -1117,7 +1116,6 @@ ve.stage.init <- function(modelParam_ls,Name=NULL,Model=NULL,ScenarioDir=NULL,st
     writeLog(paste("Stage",self$Name,"stageConfig_ls contains:"),Level="debug")
     writeLog(paste(names(stageConfig_ls),collapse=", "),Level="debug")
     writeLog(paste("Stage Input Path from stageConfig_ls:",stageConfig_ls$InputPath),Level="debug")
-    # TODO: stageConfig_ls$InputPath is correct here
   } else {
     writeLog("stageConfig_ls has no additional parameters",Level="debug")
   }
@@ -2019,11 +2017,6 @@ ve.model.fixRunStatus <- function(stage,outOfDate=integer(0)) {
 #                                 Running Models                               #
 ################################################################################
 
-# TODO: Consult SaveDatastore in self$ModelState_ls
-# TODO: Make sure a classic model (where SaveDatastore may be buried rather deep)
-#       can still be interpreted properly. We still need to pull out the "initializeModel"
-#       parameters...
-
 # Proxy some visioneval functions (things that might get called from
 # classic run_model.R without namespace resolution).
 getYears <- visioneval::getYears
diff --git a/sources/framework/VEModel/R/query.R b/sources/framework/VEModel/R/query.R
index ff46fe5a..43d9f13d 100644
--- a/sources/framework/VEModel/R/query.R
+++ b/sources/framework/VEModel/R/query.R
@@ -581,34 +581,6 @@ ve.query.getlist <- function() {
 # "Name" is always included to support cbind
 defaultMetadata <- c("Units","Description")
 
-# TODO: In "Wide" format, keep the "By" fields in their own columns: that will be a bit more work if
-# different queries have different combinations of By fields, but the logic is already implemented
-# for Long format, and we'll want it for any extraction that is intended to be analyzed in a
-# database system.
-
-# TODO: Perhaps implement the same "Extractor" logic for queries as for regular data:
-# Generate metric vectors for each Scenario/Year and add those to a list of metric columns
-# that are then later formatted by the Extractor into "Long" and "Wide". That would simplify
-# injecting the By columms, because we could just review all the vectors at the end to figure
-# out how to make them conform for purposes of being in a data.frame (or some other output).
-
-# OutputReceiver:
-#   Connect to "table location" (identify a directory, open a DBI connection)
-#   Create table (given a set of data that will go into it)
-#   Append rows to table - Create/Recreate could just be an option on a single "writeToTable"
-#   function that the Extractor will process
-
-# Ahead of that, we'll assemble a list of unreconciled vectors, accumulate them in a list Review all
-# their column names and make sure all rows are present (with NAs if needed) then just "cbind" them
-# together. That's a lot easier if we don't have to preserve the data.frame structure along the way
-# (just make a list of conforming vectors, then magically wave the wand over it and *poof* it's a
-# data.frame). For long format, we make each row into vectors (and then conform the names at the
-# end), and then just "rbind" instead of "cbind".
-
-# "long" and "wide" will build different vectors and assemble them differently.
-
-# The logic will be to generate columns where each one is a set of metrics
-
 # make a data.frame of all (and only) the valid query results
 # the results is a single data.frame with attributes
 ve.query.extract <- function(
@@ -2296,9 +2268,7 @@ makeLongMeasureDataframe <- function(Values,Scenario="",Year=NULL,Metadata=chara
 
 # doQuery processes a list of VEResults, and generates QueryFile in their Path
 doQuery <- function (
-  # TODO: Results should be a VEResultsList
-  # TODO: iterating over Results should use Results$results()
-  Results,             # a list of VEResult object(s) corresponding to Reportable scenarios
+  Results,             # a list of VEResults object corresponding to Reportable scenarios
   Specifications,      # validated query specification to process
   QueryFile,           # Name of query file in which to save results
   Timestamp=Sys.time() # Pass as parameter since model calling doQuery will need it too
@@ -2333,7 +2303,7 @@ doQuery <- function (
     # Set up model state and datastore for framework query processing
     # TODO: Qprep_ls is overkill - should revise SummarizeDatasets to use
     #   just the ModelState (multiple Datastores are handled internally through
-    #   the virtual Datastore path).
+    #   the virtual DatastorePath).
     QPrep_ls <- results$queryprep()
 
     # Set up result structure for this scenario
diff --git a/sources/framework/VEModel/R/results.R b/sources/framework/VEModel/R/results.R
index e9f0881a..d3273f8d 100644
--- a/sources/framework/VEModel/R/results.R
+++ b/sources/framework/VEModel/R/results.R
@@ -156,7 +156,6 @@ ve.resultslist.export <- function(
   # Apply a selection if provided, otherwise use entire list of outputs
   # Reduces the resultsIndex to a subset then figures out S/G/T/N from whatever is left
   # Default is everything available in the VEResultsList
-  # TODO: make sure list produces the full list...
   if ( ! is.null(selection) ) {
     self$select(selection) # just apply the selection, copying it
   }
@@ -263,9 +262,7 @@ ve.resultslist.list <- function(pattern="", selected=TRUE, details=FALSE, ...) {
   return(unique(ret.value))
 }
 
-# TODO: is this function ever used, or is it still relevant?
-# TODO: written to work on an individual VEResults - now should list all selected
-# TODO: could we just add the input files and directories to standard metadata?
+# TODO: this function may not be used. Do we still need it?
 # We won't necessarily know the input file until after the model is run (otherwise, this function should have been a
 #  member of VEModel)
 ve.resultslist.inputs <- function( fields=FALSE, module="", filename="" ) {
@@ -371,7 +368,7 @@ VEResultsList <- R6::R6Class(
     list=ve.resultslist.list,        # show the consolidated resultsIndex (used by export to develop metadata table)
     select=ve.resultslist.select,    # return the list's selection definition
     find=ve.resultslist.find,        # constructs but does not embed the selection definition
-    units=ve.resultslist.units,      # Set units on field list (modifies self$modelIndex) TODO: Move/wrap in VEResultsList
+    units=ve.resultslist.units,      # Set units on field list (modifies self$modelIndex)
     valid=function() self$isValid    # report state of validity
   )
 )
@@ -647,6 +644,7 @@ ve.results.index <- function() {
     self$RunParam_ls <- ms$RunParam_ls
   }
 
+  # Get information from all the StartFrom stages
   msList <- rev(visioneval::getModelStatePaths(dropFirst=FALSE,envir=private$modelStateEnv))
   Index <- data.frame()
   Inputs <- data.frame()
@@ -699,26 +697,31 @@ ve.results.index <- function() {
     Name        = fieldGTN$Name, # Should be identical to ds$name
     Description = Description,
     Units       = Units,
-    # TODO: May need some other specification fields in order to identify variable type for SQL or other export
     Module      = Module,
     Scenario    = scenario,
     File        = File,          # "" if not an Input
     InputDir    = InputDir       # "" if not an Input
   )
 
-  # GroupTableName is now a data.frame with nine columns
+  # Index is now a data.frame with nine columns
   # complete.cases blows away the rows that have any NA values
   # (each row is a "case" in stat lingo, and the "complete" ones have a non-NA value for each column)
   # Reduces the raw Datastore index to just the Fields ("Name"s) in the Datastore
   ccases <- stats::complete.cases(Index[,c("Group","Table","Name")])
   Index <- Index[ccases,]
+
+  # Clean up index so Global and BaseYear groups only appears in the Base scenario(s)
+  RunYears = as.character(self$RunParam_ls$Years)
+  BaseYear = as.character(self$RunParam_ls$BaseYear)
+  if ( ! BaseYear %in% RunYears ) {
+    Index <- Index[ ! Index$Group %in% c("Global",BaseYear), ] # Remove Global and BaseYear
+  }
   self$modelIndex <- Index
+
   invisible(self$modelIndex)
 }
 
 # Helper function to attach DisplayUnits to a list of Group/Table/Name rows in a data.frame
-# Need to do this in VEResults since we need access to the model state...
-# TODO: Move this to VEResultsList (using Param_ls from Model or first VEResults)
 addDisplayUnits <- function(GTN_df,Param_ls) {
   # GTN_df is a data.frame with "Group","Table","Name" rows for each Name/field for which display
   #  units are sought. Always re-open the DisplayUnits file, as it may have changed since the last
@@ -803,8 +806,8 @@ ve.results.elements <- function() {
 }
 
 # Wrapper for visioneval::copyDatastore
-# TODO: add a wrapper in VEResultsList that will copy all the model results to another
-#  ToDir - VEResultsList will need to manage the directories...
+# TODO: We won't ever want to do this one Result at a time - should
+# manage in VEResultsList
 ve.results.copy <- function(ToDir, Flatten=TRUE, DatastoreType=NULL, overwrite=FALSE) {
   if ( missing(ToDir) ) {
     stop(writeLog("Must provide target directory path.",Level="error"))
diff --git a/sources/framework/VEModel/R/scenarios.R b/sources/framework/VEModel/R/scenarios.R
index fb14f295..3397d505 100644
--- a/sources/framework/VEModel/R/scenarios.R
+++ b/sources/framework/VEModel/R/scenarios.R
@@ -537,7 +537,6 @@ ve.scenario.print <- function(details=FALSE) {
 }
 
 # List available inputs for each scenario and (if details) whether it has a local version
-# TODO: do we need this? Verify should report deviant cases
 ve.scenario.inputs <- function(scenario=NULL,category=NULL,details=TRUE) {
   # if "scenario" is a character vector, only show those folder scenarios
   # if "category" is a character vector, only show scenarios in those categories
@@ -546,6 +545,7 @@ ve.scenario.inputs <- function(scenario=NULL,category=NULL,details=TRUE) {
   #   List each folder scenario, inspect its InputPath and if the file is present there, mark it as "Used"
   # Category scenarios list all files in Category StartFrom and tags them with the Category they
   #   are associated with (from the Categories configuration, only one possible Category per file)
+  message("Unimplemented: ve.scenario.inputs")
 }
 
 # TODO: use this list to give VEQuery a subset of categories to visualize
@@ -561,9 +561,10 @@ ve.scenario.categories <- function(category=NULL,details=FALSE) {
   #   if details is a character vector with both "levels" and "files", list files within each
   #     level and in addition to the file name, list out its directory, its size, and its
   #     modification date.
+  message("Unimplemented: ve.scenario.categories")
 }
 
-# TODO: do we need this? Lists available scenarios for getting lists of inputs or seeing what's out
+# Lists available scenarios for getting lists of inputs or seeing what's out
 # there. should also report their category.
 ve.scenario.list <- function(scenario=NULL, details=FALSE) {
   # TODO: list scenarios
@@ -577,6 +578,7 @@ ve.scenario.list <- function(scenario=NULL, details=FALSE) {
   #  TRUE == all details
   #  "status" == name plus run status
   #  "type" == folder/category
+  message("Unimplemented: ve.scenario.list")
 }
 
 ve.scenario.save <- function(overwrite=TRUE) {
diff --git a/sources/framework/visioneval/R/environment.R b/sources/framework/visioneval/R/environment.R
index 77e9520f..2b279b82 100644
--- a/sources/framework/visioneval/R/environment.R
+++ b/sources/framework/visioneval/R/environment.R
@@ -874,7 +874,7 @@ checkUpToDate <- function( baseRP, newRP, lastRun=NULL ) {
 
     # Eliminate ModelDir if there are other InputPath elements (so as
     # not to pick up things like ResultsDir itself).
-    if ( length(filepaths) > 1 ) filepaths <- filepaths[ ! filepaths== ModelDir ]
+    if ( length(filepaths) > 1 ) filepaths <- filepaths[ filepaths != ModelDir$new ]
     
     # Check for changes to files in key directory
     for ( filepath in filepaths ) changed <- changedFile(changed, "InputPath", filepath)