PostgreSQL is an open source object-relational database system.

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2
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3answers
410 views

Why are some points in my PostGIS layer not displayed?

I have PostGIS table with some points and various attributes. Yesterday I added some more points to the table and now weird things are happening when I try and display layers built from these points. ...
3
votes
2answers
359 views

How to handle PostgreSql 1:m relationship data by using “Data-Driven Input Mask” QGIS plugin?

I have 1:m relationship tables in my PostgreSql. I like to show the main table attributes as well as the relational table attributes (like grid rows) in QGIS attribute-edit-form. What are the entries ...
0
votes
2answers
149 views

Osmosis, Save to different schema

Does anyone know how to use osmosis to save to a different schema? I used the pgsnapshot_schema_0.6.sql to create a blank data table, but it always creates it in the public schema. I need to create ...
2
votes
2answers
802 views

Can I achieve one-to-many relationship in QGIS custom forms?

My PostgreSQL database has ElectricLine geometry table which has one-to-many relationship with ElectricLineMaterial non-geometry (attribute only) table. This PostgreSQL table added as layer in QGIS ...
4
votes
2answers
525 views

How to optimize a ST_Within query to count lightning occurrences inside a country?

I just started learning PostGIS, and right now i'm trying to count the number of lightning strikes in my country (Brazil in this case). I have the following tables: earth_feed --> This holds the ...
0
votes
2answers
251 views

How to add other column into pgrouting query result in pgAdmin output pane?

I'm working on my final research project now and I'm a new user in pgrouting. Is there any chances to add another column name to display in the output pane? I'd like to add road name column so that I ...
0
votes
1answer
483 views

Problems while installing Postgres [closed]

I was trying to install Postgres several times, but it didn't work out. I am using Mac and I tried to install Postgress.app, I got problems with database connection. I decided to install Postgress ...
2
votes
2answers
759 views

How to find the row that has a shape file containing a lat long point in my PostGIS geometry column

I am fairly new to PostGis and I'm trying to return a row in my table that has the shape file containing a lat long point I pass in via st_contains. Below is a query I wrote myself that brings back 0 ...
1
vote
2answers
573 views

Problem Importing shapefile into postgresql with simple geometries

I have a Line Type shapefiles to be imported to postgis database on my postgresql, I'm using the SHP loader, I checked the "Generate simple geometries instead of MULTI Geometries" options so that the ...
0
votes
1answer
178 views

pg_escape_string() equivalent?

A client is hosting one of my maps on a server that does NOT have a postgres module installed, and will not install it (nor anything else... ) . We have been told also by the site owner that we can't ...
1
vote
0answers
55 views

Create a single line from a resultset of line segments

How can I create a single line using the line segments geometry found in each row in resultset? I followed this tutorial: http://anitagraser.com/2013/07/06/pgrouting-2-0-for-windows-quick-guide/ I ...
5
votes
3answers
4k views

What's the fastest way to do a bounding box query in PostGIS

I have a Postgres table, with almost 2 million rows, with a long-lat coordinates field in the form POINT(-73.4938 33.2405). Supposing there's a geospatial index on that field, what's the most ...
0
votes
0answers
269 views

Mapscript. Converting pixel coordinate to latitude longitude for postgis

I have a map created with mapscript. It is a 2D (PNG format) that's being shown on a web browser. I want to get the lat/long coordinates whenever the user click on the image, and then save it in my ...
1
vote
1answer
198 views

Creating a new time column in PostGIS / CartoDB

I received a CSV file that has year (just two digits, '70'), month (as 'JAN'), day and time (as '0310') as separate columns. Bringing in to CartoDB / PostGIS they all appear as strings. I'd like to ...
3
votes
1answer
810 views

Access Shapefiles from PostgreSQL/Postgis in R

I successfully setup a connection to my PostgreSQL/PostGIS database on Ubuntu Server from my Laptop (Ubuntu 12.04). Therefore I installed RODBC in R to setup a connection and I made a correct entry ...
1
vote
1answer
197 views

Import OSM data into ArcSDE using osm2pgsql

I am trying to import OpenStreetMap (osm) data into a PostGRES database using OSM2PGSQL, and then I need to convert that data so I can use it in ArcSDE/ArcGIS Desktop 10.2. Here is what I do: ...
8
votes
2answers
3k views

Import large CSV file into PostGIS

I am trying to import CSV files into PostGIS. Following this post, I have created tables before. I found other suggestions saying that I can run the copy command. If I run this command: COPY table ...
1
vote
1answer
660 views

How to install pgrouting on Postgresql 9.2 located at /opt/PostgreSQL/9.2/ on Ubuntu Server 12.10?

I have installed Postgresql 9.2 on Ubuntu Server 12.10 using one-click installer from the EnterpriseDB. Then using the StackBuilder I installed PostGIS. Now I also want to install the pgrouting ...
0
votes
1answer
38 views

Postgres Data insertation [closed]

I have a table with 4 column. There are thousands of data. The column names are serial || name || X || Y From 500 I made a mistake and put the X data into Y field and Y data into X field. So can I ...
5
votes
3answers
454 views

GIN/GiST Full Text searches through openlayers, geoserver and postgres

I have a a web app that automatically maps recent tweets and allows you to search for certain keywords. it uses Postgres for the database, geoserver as the server, and openlayers as the cartographic ...
2
votes
1answer
4k views

Trouble with INSERT in PostgreSQL 9.1

I am trying to execute the following: INSERT INTO lithic (cp_east, cp_north, type, material, art_count, comment, field_no, gps_unit, initials, rec_date, cortex, geom) SELECT (cp_east, cp_north, ...
4
votes
1answer
125 views

Insertion of a raster geotiff in PostgreSQL database

I am new in PostgreSQL and psql. What is the method to insert a raster geotiff in a postgreSQL database using command psql? What is the best format? Someone indicates to save a raster image as BLOB ...
2
votes
2answers
164 views

shp2pgsql mangles date field — quotes data as if it were char or varchar

I'm attempting to import a shapefile into postgis via shp2pgsql. Among the fields in the shapefile's .dbf file is a date field with format yyyymmdd, which is a valid date format for postgresql. ...
0
votes
2answers
73 views

Select area which is at least x meters away from other geometries

In my table I have the build-up area from a region as a big number of polygons. urban_area: id | name | geometry(polygon) I was wondering if and how I would be able to find the area within a ...
2
votes
1answer
280 views

Why is ArcMap leaving connections “<IDLE> in transaction”?

The TL;DR version: When you use ArcMap Query Layers to access a PostgreSQL table, ArcMap's database connections are almost always sitting idle in unclosed transactions. Why would this be? I have ...
0
votes
0answers
218 views

error occured when importing file on cartodb local host

Logged in as development user. Not able to import a .zip or a csv file. Ruby console has this error log 1.9.2p320 :004 > DataImport[1].log 2014-01-07T05:44:44Z || Using database connection with ...
7
votes
2answers
2k views

Install PostGIS and TIGER Data in Ubuntu 12.04

Could someone write a brief albeit dumbed down idiot's guide to installing postgis and loading national Tiger data on ubuntu? I've tried a few guides, namely, ...
0
votes
1answer
113 views

INSERT INTO Error

Hey guys I am trying to get the results of a query into a column in my table. The error I received is this ERROR: Quota exceeded by 16KB. I am using cartodb API, INSERT INTO address (distance) ...
1
vote
0answers
502 views

postgresql 8.4 and postgis 1.5 error: type modifier is not allowed for type 'geometry'

I would like to generate a buffer (within a limit of 3km ) where the user clicked point. In pgAdmin, select my database and open a query editor and create 2 PostGIS functions (UTM Zone Function and ...
1
vote
0answers
906 views

Creating a spatial database using EXTENSIONS: error loading legacy.sql

I am using Postgres 9.3 and PostGIS 2.1, installed in a Docker container via RUN echo "deb http://apt.postgresql.org/pub/repos/apt/ precise-pgdg main" >> /etc/apt/sources.list RUN apt-get -y ...
0
votes
2answers
473 views

Building CartoDB from source using updated dependencies on Ubuntu 13.10

I am attempting to build CartoDB from source on an Amazon VM for the first time in my life. For purposes of sanity, I want to use the same instance/database of postgres for both CartoDB and all of my ...
1
vote
1answer
394 views

creating a st_contains query with geographies not geometries

I'm trying to find all the geography points that are contained in a geography polygon, let say all the traffic lights within a given city or neighborhoods, how can i convert this working st_intersect ...
1
vote
1answer
96 views

python scripts for accessing info from a postgresql database in case of a qgis application?

I am beginner and I need to know if I could access a postgresql database from python script made for a qgis application
1
vote
1answer
213 views

Ogr2ogr - shape to postgis - is there a way to use and preserve an existing primary key?

I've been struggling with this for a while, tried a few different ideas inspired by these pages: http://www.gdal.org/ogr2ogr.html http://www.gdal.org/ogr/drv_pg.html ...
0
votes
1answer
229 views

Cast record type to geometry type

How can I cast type record /subquery/ to geometry type? My example: select geom from (select (ST_Simplify..... ) as geom and result is type record, but I need to convert to geometry.
3
votes
1answer
641 views

How can I decrease size of geodatabase “Nominatim”?

I downloaded Nominatim http://wiki.openstreetmap.org/wiki/Nominatim/Installation. The database size is more than 400 GB. The speed of geocoding is very slow. I want to increase it. For example, I ...
0
votes
1answer
617 views

How to install pgrouting 2.x on ubuntu 12.04 LTS

I try to install pgrouting 2.0 on ubuntu 12.04 LTS with postgresql 9.2 I have ppa in the system by sudo add-apt-repository ppa:gwibber-daily/ppa answer: `You are about to add the following PPA to ...
1
vote
0answers
177 views

How to run PostgreSQL stored procedures from QGIS? [closed]

I'm trying to figure out if it's possible to run a stored procedure in a Postgres database from QGIS, more specifically I would like to do this from within a python plugin. In this case I'm trying to ...
1
vote
2answers
576 views

osm2pgsql error when import pbf for Nominatim DB

Good day to all, Am getting the following error when running utils/setup.php in nominatim 2.1: Reading in file: /storage/Library/geodata/africa-latest.osm.pbf Processing: Node(54854k 62.1k/s) ...
2
votes
0answers
170 views

Data loss after compressing geodatabase in ArcSDE

I suffer sometimes from data loss after compressing ArcSDE geodatabase, this geodatabase contains versioned feature classes, so the compressing script reconciles and compress the geodatabase: # ...
0
votes
2answers
321 views

GeoAlchemy pg_function.geojson cannot be decoded with json.loads

I asked this quesiton over on StackOverflow and thought it might make more sense to post it here given it's GIS nature. Given this function: features being a list of SQLAlchemy objects template ...
3
votes
1answer
754 views

Retrieve geographic coordinates from OSM imported data

We have just finished importing OSM data into our PostGIS (Postgresql) database. And we are having difficulty understanding the geometry of various shapes imported. We run a query to retrieve the ...
3
votes
1answer
137 views

Add vertices costs to postgresql routable network

In osm2po it's possible to create custom routers as the sample router TrafficSignalsRouter, but the costs seem to be added on vertices after the routing. Is it possible to add these costs on the ...
3
votes
1answer
859 views

How to edit PostgreSQL geodatabase table using ArcPy?

I'm trying to update a table using a python script and it's not working. The table resides in a postgres geodatabase and is versioned. I have also verified my user permissions (I'm the admin). The ...
7
votes
1answer
2k views

What is difference between ST_DWithin and ST_Distance for proximity search in PostGIS?

I have records stored in a table with latitude/longitude coordinates stored in a geometry field. I want to find all records nearby a user supplied reference point. Note "nearby" probably means less ...
0
votes
0answers
61 views

Unable to set pg as default backend with osgeo4w GRASS

I am trying to set PostgreSQL as default backend for GRASS, but cannot manage to get it right. Working with GRASS 6.4.3 print g.run_command('db.connect', driver='pg', flags = 'c', ...
1
vote
4answers
68 views

postgresql how not to show the first result returned st_distance

I have a query that calculates the distance away from a given point, however currently my query returns the point I am actually querying a distance for. How would I prevent site 1 from showing in my ...
8
votes
1answer
225 views

What spatially-aware GUI administration softwares exist for PostgreSQL/PostGIS (free or paid)?

Most of my experience with PostgreSQL has been PGAdminIII and psql, but I'm interested to know what others use. Is there PostgreSQL equivalent to SQL Server Management Studio (SSMS) and its ability ...
2
votes
3answers
3k views

Unable to connect PostgreSQL to ArcMap 10.1

I'm trying to connect my local PostgreSQL database to ArcMap 10.1 but for some reason I'm unable to connect to the server. Any ideas of what might be causing the issue. For the instance option in ...
0
votes
1answer
290 views

Install both postgis and postgresql-9.1-postgis packages?

I've installed the PostgreSQL package (ver. 9.1) on a Debian 7 server using the command "apt-get install postgresql postgresql-contrib". I now want to install PostGIS as well. Should I install both ...