postGIStools facilitates the import/export of data tables between R and PostgreSQL, in particular those with associated geometries (PostGIS extension) and hstore (key-value pairs) type columns.
get_postgis_query works like
with the additional benefit of parsing hstore types (as a list-column in the
resulting R data frame) and geometry types (producing a spatial data frame
%->% reproduces the behavior of the PostgreSQL
hstore -> key operator.
insert new rows or update existing rows in a PostgreSQL table based on the
contents of a R data frame. For spatial data and hstore columns, they
performs the same conversions as
get_postgis_query, in reverse.
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