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Temporal extensions for PostgreSQL

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README.md

temporal

Temporal Extension for PostgreSQL

This module adds data types, functions, and indexing strategies useful for managing time data in PostgreSQL.

The PERIOD data type represents a range of time, e.g. '[2000-01-01, 2000-03-05)' represents the time from the beginning of January 2000 to the 5th of March.

To build it, just do this:

make
make install
make installcheck

If you encounter an error such as:

"Makefile", line 8: Need an operator

You need to use GNU make, which may well be installed on your system as gmake:

gmake
gmake install
gmake installcheck

If you encounter an error such as:

make: pg_config: Command not found

Be sure that you have pg_config installed and in your path. If you used a package management system such as RPM to install PostgreSQL, be sure that the -devel package is also installed. If necessary tell the build process where to find it:

env PG_CONFIG=/path/to/pg_config make && make installcheck && make install

And finally, if all that fails (and if you're on PostgreSQL 8.1 or lower, it likely will), copy the entire distribution directory to the contrib/ subdirectory of the PostgreSQL source tree and try it there without pg_config:

env NO_PGXS=1 make && make installcheck && make install

If you encounter an error such as:

ERROR:  must be owner of database regression

You need to run the test suite using a super user, such as the default "postgres" super user:

make installcheck PGUSER=postgres

Once temporal is installed, you can add it to a database. If you're running PostgreSQL 9.1.0 or greater, it's a simple as connecting to a database as a super user and running:

CREATE EXTENSION temporal;

If you've upgraded your cluster to PostgreSQL 9.1 and already had temporal installed, you can upgrade it to a properly packaged extension with:

CREATE EXTENSION temporal FROM unpackaged;

For versions of PostgreSQL less than 9.1.0, you'll need to run the installation script:

psql -d mydb -f /path/to/pgsql/share/contrib/temporal.sql

If you want to install temporal and all of its supporting objects into a specific schema, use the PGOPTIONS environment variable to specify the schema, like so:

PGOPTIONS=--search_path=extensions psql -d mydb -f temporal.sql

Dependencies

The temporal data type has no dependencies other than PostgreSQL.

Copyright and License

See the file LICENSE.

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