Creating GeoJSON Feature Collections with JSON and PostGIS functions
If you do a lot of web-based GIS applications, a common desire is to allow a user to draw out an area on the map and then do searches against that area and return back a FeatureCollection where each...
View ArticlePostGIS 2.0.1 for windows PostgreSQL 9.2 and PostGIS Project changes
A couple of people have expressed concern that we have not released a PostGIS 2.0.1 for Windows 9.2. I guess 9.2 really makes people want to jump and scream for joy. Even if they don't deploy on...
View ArticleWindows Binaries and Installers Up for PostgreSQL 9.2: PLV8 and PostGIS 2.0.1
We've recompiled our PL/V8 for windows against PostgreSQL 9.2.0 (both 32-bit and 64-bit) with latest PL/V8 code. This includes the additional LiveScript language, which you can use by doing: CREATE...
View ArticleUsing PLV8 to build JSON selectors
Unfortunately we missed Postgres Open this year, but we did catch some of the slides. One of them was Embracing the web with JSON and PLV8 by Will Leinweber of Heroku. He had a great slide deck with a...
View ArticlePLV8 1.3 windows binaries for PostgreSQL 9.2
As Hitoshi Hirada mentioned already in PL/v8 is now the richest procedural language , PL/V8 1.3 has been recently released and some of the great new features are automatic conversion of json objects,...
View ArticleUnknown object type 84 in default privileges
We recently started upgrading some of our databases on windows 64-bit to 9.2, in doing so we ran into a nasty issue we discovered when some of our backups were failing. The first time it happened, I...
View ArticleUnpivoting data in PostgreSQL
A while ago we demonstrated how to create cross tabulation tables using tablefunc extension aka (Pivot Tables) (basically collapsing rows into columns). Recently someone asked me how to do the reverse...
View ArticlePostgreSQL 9.2 windows binaries for file_textarray_fdw
We discussed a while back the Text array foreign data wrapper that allows you to register and query a delimited file as if it were a regular table with one array column. It's probably the FDW we use...
View ArticlePostGIS 2.0.3 for Windows x32 and x64 installers
We have all the setup executables for PostgreSQL 8.4-9.2 32-bit and PostgreSQL 9.1-9.2 x64-bit for PostGIS 2.0.3. We'll have the 9.0x64-bit ones up shortly but do have the binaries.We are planning to...
View ArticlepgRouting windows binaries for PostgreSQL 9.2 32-bit and 64-bit
We've got experimental pgRouting windows binaries available for windows PostgreSQL 9.2 32-bit and 64-bit for pgRouting 1.0.7 development branch. More details on our Boston GIS blog page.The final...
View ArticlePostGIS 2.1.0 released
The 2.1.0 release of PostGIS is now available.The PostGIS development team is proud to release PostGIS 2.1.0. As befits a minor release, the focus is on speed improvements, more features, and bug...
View ArticlePostGIS 2.1 windows bundle
PostgreSQL 9.3 came out today and we are excited to start using the new features. PostGIS 2.1.0 came out about 2 weeks ago and pgRouting just cut the RC 3 release. For windows PostGIS users who are...
View ArticleMigrating from SQL Server to PostgreSQL
Alexander Kuznetsov on SQLblog.com has an interesting series going entitled with Learning PostgreSQL. In the series he focuses on what it takes to move a SQL Server database and App to PostgreSQL and...
View ArticleOracle FDW 1.1.0 with SDO_Geometry PostGIS spatial support
Oracle FDW is a foreign data wrapper PostgreSQL extension that allows you to read and write to Oracle database tables from a PostgreSQL database. You can get it via the PGXN network or the main website...
View Articleregexp_split_to_table and string_to_array unnest performance
Whenever you need to split a text into multiple records breaking by some delimeter, there are two common options that PostgreSQL provides. The first isregpexp_split_to_table and then next popular is...
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