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Adding instructions for re-generating ProtoBuf code

pull/20/head v0.10.0.Beta3
Gunnar Morling 2019-07-01 12:26:09 +02:00 committed by GitHub
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@ -38,21 +38,39 @@ This code depends on the following libraries and requires them for compilation:
add-apt-repository "deb http://ftp.debian.org/debian testing main contrib" && apt-get update
apt-get install -y libprotobuf-c-dev=1.2.1-1+b1
The above are taken from the Debezium [docker images](https://github.com/debezium/docker-images).
When updating the ProtoBuf definition, also install the ProtoBuf C compiler:
apt-get install -y protobuf-c-compiler=1.2.*
The above are taken from the Debezium [container images](https://github.com/debezium/docker-images).
#### Other Linux distributions
You just need to make sure the above software packages (_or some flavour thereof_) are installed for your distro.
Note that the last step from the above sequence is only required for Debian to be able to install `libprotobuf-c-dev:1.2.1`
### Building and installing decoderbufs
### Getting the source code
If you have all of the above prerequisites installed, clone this git repo to build from source. If you have multiple
postgres versions installed, you can select which version to install by altering your `$PATH` to point to the right version.
Then `make` and `make install` for each version. Here is an example:
If you have all of the above prerequisites installed, clone this git repo to build from source:
git clone https://github.com/debezium/postgres-decoderbufs.git
cd postgres-decoderbufs
### Optional: Re-generating ProtoBuf code
This is only needed after changes to the ProtoBuf definition (_proto/pg_logicaldec.proto):
cd proto
protoc-c --c_out=../src/proto pg_logicaldec.proto
cd ..
Commit the generated files to git then.
### Building and installing decoderbufs
If you have multiple Postgres versions installed, you can select which version to install decoderbufs into by altering your `$PATH` to point to the right version.
Then `make` and `make install` for each version. Here is an example:
# Install for Postgres 9.6 if I have multiple local versions
export PATH=/usr/lib/postgresql/9.6/bin:$PATH
make