RedisTree is a Redis module that implements Polytree as a native data type. It allows creating,locating,pushing and detaching tree from Redis keys. RedisTree has been running in production environment for one year
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Store organization data in redis, Need ploytree and some helper function
# run redis by docker
docker run -p 6379:6379 -d --name redis-redistree ohbonsai/redistree
# exec redis-cli in redis container
docker exec -it redis-redistree /bin/sh
redis-cli- Run
cargo build - Start a redis server with the
redistreemodule- Linux:
redis-server --loadmodule ./target/release/libretree.so - Mac:
redis-server --loadmodule ./target/release/libretree.dylib
- Linux:
- Open a Redis CLI, and run
tree.init hello "a (b (d) c)".
tree.init key tree_valuetree.get keytree.del keytree.get_subtree key node_valuetree.del_subtree key node_valuetree.set_subtree key node_value tree_valuetree.get_ancestors key node_valuetree.get_descendants key node_valuetree.get_father key node_valuetree.get_children key node_value
a
/ \
b c
|
e
127.0.0.1:6379> tree.init hello "a (b (d) c)"
OK
127.0.0.1:6379> tree.get hello
"a( b( d ) c )"
127.0.0.1:6379> tree.del hello
OK
127.0.0.1:6379> tree.get hello
(nil)
127.0.0.1:6379> tree.init hello "a (("
(error) ERR () is not closed or no root
|----------------------------------USA----------------------------------|
| | |
Legislature ExecutiveJudiciary Judiciary
/ \ | |
House Senate WhiteHouse SupremeCourt
| | | |
Pelosi Harris Biden Roberts
127.0.0.1:6379> tree.init usa "USA (Legislature (House (Pelosi) Senate (Harris))ExecutiveJudiciary (WhiteHouse (Biden))Judiciary (SupremeCourt (Roberts)))"
OK
# Get subtree of executive judiciary
127.0.0.1:6379> tree.get_subtree usa ExecutiveJudiciary
"ExecutiveJudiciary( WhiteHouse( Biden ) )"
# Add secretary for Biden
127.0.0.1:6379> tree.set_subtree usa Biden "Blinken"
OK
# now biden has secretary
127.0.0.1:6379> tree.get_subtree usa Biden
"Biden( Blinken )"
# Detach Blinken from Biden
127.0.0.1:6379> tree.del_subtree usa Blinken
"Blinken"
127.0.0.1:6379> tree.get_subtree usa Biden
"Biden"
# Get Harris ancestors
127.0.0.1:6379> tree.get_ancestors usa Harris
1) "Senate"
2) "Legislature"
3) "USA"
# Get Harris Father node
127.0.0.1:6379> tree.get_father usa Harris
"Senate"
# Get Legislature Children
127.0.0.1:6379> tree.get_children usa Legislature
1) "House"
2) "Senate"
# Get Legislature Descendants(BFS)
127.0.0.1:6379> tree.get_descendants usa Legislature
1) "Legislature"
2) "House"
3) "Senate"
4) "Pelosi"
5) "Harris"
redis-server --loadmodule yourpath/libretree.so
redis-server --loadmodule ./target/debug/libretree.dylib
loadmodule /yourpath/libretree.so
- Install Rust
- Install Redis, most likely using your favorite package manager (Homebrew on Mac, APT or YUM on Linux)
build build retree docker image
builder build rust cross-compiler base image, for mac developers
clean clean
push push to pornhub
test do some behavioral tester
tester build tester image
- Postgres ltree gist index
- Postgres ltree query
- Hash Index