Substantial improvements and new functionality.

  • R Postgres interface switched from RPostgreSQL to the DBI compliant RPostgres
  • time series represented as JSON instead of hstore for better performance and consistency (ensuring order).
  • store version of every time series to track revisions
  • true release date feature
  • meta data on vintage (time series version) level
  • getting ready for next CRAN release
  • bulk wise operations using copy
  • updated readme
  • fixed bug in the shiny based GUI that prevented starting it up properly
  • moved sql code to a single setup file
  • ~ quarterly release cycle planned
  • added convenience function to plot a list of time series (plot.tslist)
  • major speed up of write process by avoiding multiple selects (~2 times)
  • major speed up of read process by avoiding multiple selects (~ 3.5 times)
  • added a table to store sets of time series similar to shopping carts in web stores (basic)
  • basic export to .csv format to support wide and long format .csv
  • dependency to RJSONIO added as it used for speed up
  • added a shiny based data explorer GUI (use function exploredb(con))
  • changed upsert behavior to not affect unlocalized meta information on insert of new series
  • improved NULL handling
  • added SQL transaction utils
  • quiet execution of Meta Information Storage
  • fixed issues with quotes
  • added hstore lookup function
  • changed from deprecated hstore operator to new hstore function (see PostgreSQL release notes)
  • function to concatenate overlapping series
  • function to set attributes to each element of a list
  • improved read process for bulk reading to use single query instead of looping
  • improve store process
  • exported print method
  • added function to check whether db connection is valid
  • added quickHandle operator and a closure to create further quick Handle operators
  • initial realease