Check and create PostGIS extension. — pgPostGIS • rpostgis

The function checks for the availability of the PostGIS extension, and if it is available, but not installed, install it. Additionally, can also install Topology, Tiger Geocoder, SFCGAL and Raster extensions.

Usage

pgPostGIS(
  conn,
  topology = FALSE,
  tiger = FALSE,
  sfcgal = FALSE,
  raster = FALSE,
  display = TRUE,
  exec = TRUE
)

Arguments

conn: A connection object (required, even if exec = FALSE).
topology: Logical. Whether to check/install the Topology extension.
tiger: Logical. Whether to check/install the Tiger Geocoder extension. Will also install extensions "fuzzystrmatch", "address_standardizer", and "address_standardizer_data_us" if all are available.
sfcgal: Logical. Whether to check/install the SFCGAL extension.
raster: Logical. Whether to check/install the Raster extension
display: Logical. Whether to display the query (defaults to TRUE).
exec: Logical. Whether to execute the query (defaults to TRUE).

Value

If exec = TRUE, returns (invisibly) TRUE if PostGIS is installed.

Author

Mathieu Basille mathieu@basille.org and Adrián Cidre González adrian.cidre@gmail.com

Examples

## 'exec = FALSE' does not install any extension, but nevertheless
## check for available and installed extensions:
if (FALSE) { # \dontrun{
    pgPostGIS(con, topology = TRUE, tiger = TRUE, sfcgal = TRUE,
        exec = FALSE)
} # }