OVERALL CHANGES
pgGetGeom(), pgGetBoundary() now use the SRID for defining the CRS instead of the proj4 code.
pgWriteRast(): argument progress have been removed.
pgWriteGeom() now throws an error when CRS is undefined.
Functions that return a TRUE value, now return it invisibly (pgMakePts(), )
Use of cli for better user feedback
raster and sp are now suggested and not imported by rpostgis
Use lifecycle warnings to encourage users to use sf and terra, and don't use sp or raster anymore in rpostgis.
pgSRID(): now throws an error when CRS is undefined
BUG FIXES
dbWriteDataFrame() that was causing data frames with dttm columns to be unable to be written to the database.OTHER CHANGES
BUG FIXES
Fix an error in pgGetRast that was provoking an error when the raster was not imported using rpostgis.
Now its required terra version >= 1.6.7.
OTHER CHANGES
The repository of rpostgis has been transferred to a new location: https://github.com/Cidree/rpostgis
The website of the package is now located at http://cidree.github.io/rpostgis/
Remove startup message about upcoming retirement. New startup message informs
about the sf/terra transition, and the new maintenance of the package which
will be switched in the next update of the package.
OVERALL CHANGES
Transition of rpostgis to the sf/terra ecosystem.
The functions pgGet* have a new argument returnclass, and a function message to inform about the output class.
The function pgInsert has been deprecated in favour of pgWriteGeom. The reason of this change is to keep naming consistency with other functions of the package. We added a function message to inform about the deprecation.
pgGetBoundary: now returns a sfc object (i.e. a list-column with geometries) by default, and the new argument returnclass allows to choose also terra for SpatVector objects, or sp for Spatial* objects.
pgGetGeom: the argument boundary now accepts also sf and SpatVector objects. The object returned by this function has changed to a sf object by default, and the new argument returnclass allows to choose also terra for SpatVector objects, or sp for Spatial* objects.
pgGetRast: added details about the functioning of the argument bands; allow sf and SpatVector objects in the argument boundary; the output of this function is now a terra SpatRaster by default, but raster objects can be specified by the new argument returnclass. Add an optional progress bar to measure the progress of the import.
pgInsert: now it is possible to insert sf and SpatVector objects in the argument data.obj. It is also possible to insert any geometry type existing for sf objects (i.e. simple and multi point, linestring, polygon, curve, surface; and other complex geometries such as compound curve, curve polygon and geometrycollection).
pgWriteRast: the argument raster now accepts SpatRaster objects. The default value of the blocks argument works slightly different now. It uses the function blocks of the terra package, which uses the number of copies of the data that may be in memory at any time. Since big rasters can take some time to write, an optional progress bar was added to this function.
pgPostGIS: added a new argument raster to install the postgis_raster extension.
Added startup message to display message about upcoming package retirement in September 2023.
OVERALL CHANGES
RPostgres::Postgres() driver can now be used as a connection.
While rpostgis is functional with the driver, it should be considered
experimental and may not function as expected in all cases. The default
RPostgreSQL::PostgreSQL() driver is recommended for most use cases.NEW FEATURES
pgWriteRast: Now allows insert with append = TRUE to an existing
PostGIS raster table. Note that any existing constraints are dropped for
the insert, but re-created after insert (if constraints = TRUE). This
allows more than one raster to be entered into a table. It is recommended
to alter the raster names (names(raster) <-) prior to import to ensure
each raster in a table has a unique entry in the band_names column.
See pgGetRast's new clauses argument for importing subsets of a raster table.
pgGetRast: A clauses argument allows to specify additional SQL
(e.g. clauses = "WHERE band_names = '{{landcover_2010}}'")
to select a specific subset of a raster table to import.
BUG FIXES
fixed bug affecting pgWriteRast, affecting rasters with irregular x/y resolutions.
fixed bug affecting pgInsert, where single-part polygons with holes were
counted as MultiPolygons, causing the geometry column to be defined as MultiPolygon.
This did not affect import into the database, but caused an error when single-part
polygons (without holes) were attempted to be inserted into the existing table.
DOCUMENTATION
rpostgis now has a new home: https://mablab.org/rpostgis/
Documentation prepared using pkgdown.
BUG FIXES
dbReadDataFrame, where datetimes were assigned the PostgreSQL time zone
instead of the system timezone. This resulted in incorrect time assignments when the PostgreSQL
time zone setting did not match the system's time zone setting. Tables in PostgreSQL written
by dbWriteDataFrame were not affected and have the correct time assigned.NEW FEATURES
dbAddKey and dbIndex: support added for keys and indexes
referencing multiple columns.
pgWriteRast: new blocks argument to specify exact number of
desired blocks for the new raster in PostGIS table. Default block
size (blocks = NULL) will retain previous functionality, though
the minimum block size (rows or columns) was increased to 100
(previously 80).
BUG FIXES
pgWriteRast: fixed alignment issue affecting high-precision
(generally decimal-degree unit) based raster writing, where PostGIS
was not able to add a same alignment constraint to all tiles in the
newly-created raster.OVERALL CHANGES
rpostgisLTNEW FUNCTIONS
pgListRast to list all raster columns in a PostGIS databaseNEW FEATURES
pgGetRast: re-written for faster reading of rasters from the
database. Multi-band raster import is now supported (band argument
changed to bands, and can be given a vector of integers, or TRUE
to return all bands). Default is still to import the first band (1)
of the raster. Multi-band rasters imported as RasterBrick-class
objects. When raster blocks have imperfect alignment, PostGIS
function ST_SnapToGrid is applied to register the raster according
to the upper left pixel of the full raster dataset.
pgGetRast/pgWriteRast: now support sp-class SpatialGrid* and
SpatialPixels* type objects. The class of the raster written in
pgWriteRast is saved in a database column, and re-applied to the
raster during import with pgGetRast.
"Data frame mode" for Spatial* objects: now saves proj4string of
Spatial* objects in data frame mode writing with pgInsert. It is
then re-imported using pgGetGeom, if the saved proj4string and the
database proj4string (defined by the column's SRID) are
equivalent. Otherwise, the database proj4string is used.
pgGetRast/pgWriteRast: original R proj4string is saved in the
raster database table, and re-imported, if the saved proj4string and
the database proj4string (defined by the column's SRID) are
equivalent. Otherwise, the database proj4string is used.
pgGetGeom: now includes boundary parameter, to spatially subset
GEOMETRY/GEOGRPAHY objects to return (same usage as in pgGetRast).
pgGetBoundary: now includes clauses parameter, with same usage
as in pgGetGeom
UPDATES
pgWriteRast: now attempts to write a new SRID to
spatial_ref_sys, if one cannot be resolved from the raster's
proj4string.
All query-constructor functions (e.g. dbDrop) now return nothing
(previously returned TRUE) if exec = FALSE.
pgGetGeom: other.cols = FALSE now not necessary when reading
only a geometry column (e.g., in query mode or from a one-column
table).
BUG FIXES
pgWriteRast: fixed bug affecting imported raster's metadata
regarding the upper left pixel location (returned by PostGIS
function ST_UpperLeftX/ST_UpperLeftY(rast)). Previously,
pgWriteRast was erroneously applying the lower left pixel location
for this value. This did not affect the actual data of the raster,
or their usage within PostGIS, however it could have affected export
of this raster to external files, or viewing in a GIS.
pgWriteRast: fixed bug where constraints were not written for
tables given without a schema name in name.
pgGetGeom: fixed bug for one-column other.cols specifications.
dbReadDataFrame: infolocs columns of type POSIXlt now re-import
time zone attribute correctly (previously just used database time
zone).
NEW FEATURES
GEOGRAPHY types added, in pgGetGeom,
pgListGeom, pgGetBoundary, pgInsert. With pgInsert, a
Spatial* object can be uploaded to PostGIS as a geography using
geog = TRUE.BUG FIXES
pgInsert and pgWriteRast: fixed bug causing failed uploads when
multiple PostGIS SRIDs found with pgSRID for a spatial object, now
uses the first one returned.
pgGetGeom: fixed bug when loading non-spatial columns with names
'x' or 'y' for point geometries.
UPDATES
pgGetRast: digits argument default lowered to 5 (same as
raster::rasterFromXYZ). Resolution of the raster is now
determined using PostGIS functions and directly applied to the R
raster. This allows (in some cases) for faster recognition of uneven
cell sizes, which result in an error.NEW FEATURES
pgGetGeom: new query argument allows pgGetGeom to specify a
full SQL query which returns a GEOMETRY instead of an existing
table/view. If desired, the query can be saved in the database as a
new view using the name argument.
pgInsert: now can insert geometries stored as character in
data.frames using df.geom argument.
BUG FIXES
pgGetGeom, drop with dbDrop).BUG FIXES
pgGetGeom: fixed bug causing failed imports for views due to usage
of RPostgreSQL::dbListFields (changed to rpostgis::dbTableInfo).
fixed bug for data frame mode writing (e.g., pgInsert(...,df.mode = TRUE) and dbWriteDataFrame) where factor names included a comma.
OVERALL CHANGES
roe_).NEW FUNCTIONS
pgWriteRast to upload R Raster* datasets to PostGIS database
tables.
dbWriteDataFrame/dbReadDataFrame: Write/read in data frame mode
to/from database table (see below).
NEW FEATURES
pgInsert can write in data frame mode when df.mode = TRUE
(default is FALSE).
pgInsert now defaults to 'alter.names = FALSE'.
pgGetGeom will try to read Spatial*DataFrames in data frame mode
(will not affect import for non-data frame mode tables).
pgGetRast now has a band argument to select which band in the
database raster to import.
BUG FIXES
pgGetGeom: Fix bug affecting one-column selections with
other.cols argument for line and polygon imports.ABOUT DATA FRAME MODE
Writing in data frame mode is only for new database tables (or for
overwriting an existing one). It will save all column names as they
appear in R, along with column data types and attributes. This is
done by adding metadata to a lookup table in the table's schema named
'.R_df_defs' (will be created if not present). It also adds two field
with fixed names to the database table: '.R_rownames' (storing the
row.names of the data frame), and '.db_pkid', which is a new integer
primary key. Existing columns in the data.frame matching these names
will be automatically changed.
All Spatial*DataFrames writing should continue to use pgInsert,
which can write in data frame mode when df.mode = TRUE. For more
flexible writing of Spatial*DataFrames and data.frames to the
database (including all inserts into existing database tables), use
pgInsert with df.mode = FALSE (default).
OVERALL CHANGE
BUG FIXES
pgGetGeom: Fix bug which was causing errors when using 'ORDER BY
...' statements in the clauses argument.OVERALL CHANGE
NEW FUNCTIONS
dbBuildTableQuery (internal): Builds CREATE TABLE query for a data
frame object.
dbExistsTable (internal): Check if a PostgreSQL table exists.
dbConnCheck (internal): Check if a supported PostgreSQL connection.
OVERALL CHANGES
NEW FUNCTIONS
dbVersion (internal): PostgreSQL version checking.NEW FEATURES
pgInsert now provides 'upsert' functionality (INSERT ON CONFLICT
UPDATE) with the 'upsert.using' argument. Requires PostgreSQL
version 9.5+.NEW FEATURES
pgPostGIS now returns TRUE for non-standard installs.OVERALL CHANGES
NEW FEATURES
pgGetGeom now handles all regular PostGIS Geometry data table
imports.OVERALL CHANGES
Big package cleaning.
Changed all non-PostGIS related functions to db- instead of pg-.
All functions not returning an actual object now returns TRUE if
successful.
OVERALL CHANGE
Change 'str' to 'query'
Now uses messages instead of cat to print SQL code.
OVERALL CHANGES
OVERALL CHANGES
NEW FUNCTIONS
pgPostGIS: Check and create PostGIS extension.NEW FEATURES
pgSchema: Now returns TRUE if the schema exists (whether it was
already available or was just created).OVERALL CHANGES
pgis2r package, incorporating support for
loading geometry/raster objects stored in PostgreSQL databases in R.NEW FUNCTIONS
pgGetRast: Load raster from PostGIS database.
pgGetLines: Load a PostGIS linestring geometry from a PostgreSQL
table/view into R.
pgGetPolys: Load a PostGIS polygon geometry from a PostgreSQL
table/view into R.
OVERALL CHANGES
NEW FUNCTIONS
pgGetPts: Retrieve point geometries.OVERALL CHANGES
NEW FUNCTIONS
pgColumn: Add or remove a column (replaces pgDropColumn).NEW FUNCTIONS
pgMakePts and pgMakeStp: Add a POINT or LINESTRING geometry
field.OVERALL CHANGES
display = TRUE to print the executed or
non-executed query.OVERALL CHANGES
Non executed examples added for each function.
display = TRUE by defaults for all functions.
NEW FUNCTIONS
pgAsDate: Converts to timestamp.
pgDrop: Drop table/view/schema.
pgSchema: Create schema.
NEW FEATURES
pgComment: Allows comments on schemas.OVERALL CHANGES
Change the package name to rpostgis.
Change every db- function to pg- function, in order to avoid
confusion with standard DBI or RPostgreSQL functions.
NEW FUNCTIONS
dbAddKey: Add key.
dbComment: Comment table/view.
dbVacuum: VACUUM.
dbDropColumn: Removing a Column.
dbIndex: CREATE INDEX.