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74 lines
2.8 KiB
74 lines
2.8 KiB
The development tracker for cartodb-postgresql is on github:
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http://github.com/cartodb/cartodb-postgresql/
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Bug fixes are best reported as pull requests over there.
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Features are best discussed on the mailing list:
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https://groups.google.com/d/forum/cartodb
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Adding features to the extension
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--------------------------------
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Extension features are coded in scripts found under the
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"scripts-available" directory. A feature can be a single function
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or a group of function with a specific scope.
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The "scripts-enabled" directory contains symlinks to the scripts
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in "scripts-available". Any symlink in that directory is automatically
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included in the extension. Numbering can be used to enforce the order
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in which those scripts are loaded.
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Scripts would be best coded in a way to be usable both for creation
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and upgrade of the objects. This means using CREATE OR REPLACE for
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the functions, and whatever it takes to check existence of any previous
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version of objects in other cases.
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When adding a new function or modifying an exiting one make sure that the
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[VOLATILITY](https://www.postgresql.org/docs/current/static/xfunc-volatility.html) and [PARALLEL](https://www.postgresql.org/docs/9.6/static/parallel-safety.html) categories are updated accordingly.
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Although the extension will usually be installed in the "cartodb" schema, please
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use @extschema@ to fully-qualify internal calls to avoid name clashes.
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When you use postgis functions or types, please fully-qualify them by using
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@postgisschema@ (it's changed to "public" by the install script) to avoid
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pg_upgrade issues.
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Every new feature (as well as bugfixes) should come with a test case,
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see the 'Writing testcases' section.
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Writing testcases
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-----------------
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Tests reside in the test/ directory.
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You can find information about how to write tests in test/README
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Testing changes live
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--------------------
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Testing changes made during development requires upgrading
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the extension into your test database.
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During development the cartodb extension version doesn't change with
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every commit, so testing latest change requires cheating with PostgreSQL
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as to enforce the scripts to reload. To help with cheating, "make install"
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also installs migration scripts to go from "V" to "V"next and from "V"next
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to "V". Example to upgrade a 0.2.0dev version:
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```sql
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ALTER EXTENSION cartodb UPDATE TO '0.2.0next';
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ALTER EXTENSION cartodb UPDATE TO '0.2.0dev';
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```
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Starting with 0.2.0, the in-place reload can be done with an ad-hoc function:
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```sql
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SELECT cartodb.cdb_extension_reload();
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```
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A useful query:
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```sql
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SELECT * FROM pg_extension_update_paths('cartodb') WHERE path IS NOT NULL AND source = cdb_version();
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```
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## Submitting Contributions
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* You will need to sign a Contributor License Agreement (CLA) before making a submission. [Learn more here](https://carto.com/contributions).
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