modulepackage
0.0.0-20211111124813-ae547a2d8ff6
Repository: https://github.com/jasonzzw/gohbase.git
Documentation: pkg.go.dev
# README
Golang HBase client

This is a pure Go client for HBase.
Current status: beta.
Supported Versions
HBase >= 1.0
Installation
go get github.com/jasonzzw/gohbase
Example Usage
Create a client
client := gohbase.NewClient("localhost")
Insert a cell
// Values maps a ColumnFamily -> Qualifiers -> Values.
values := map[string]map[string][]byte{"cf": map[string][]byte{"a": []byte{0}}}
putRequest, err := hrpc.NewPutStr(context.Background(), "table", "key", values)
rsp, err := client.Put(putRequest)
Get an entire row
getRequest, err := hrpc.NewGetStr(context.Background(), "table", "row")
getRsp, err := client.Get(getRequest)
Get a specific cell
// Perform a get for the cell with key "15", column family "cf" and qualifier "a"
family := map[string][]string{"cf": []string{"a"}}
getRequest, err := hrpc.NewGetStr(context.Background(), "table", "15",
hrpc.Families(family))
getRsp, err := client.Get(getRequest)
Get a specific cell with a filter
pFilter := filter.NewKeyOnlyFilter(true)
family := map[string][]string{"cf": []string{"a"}}
getRequest, err := hrpc.NewGetStr(context.Background(), "table", "15",
hrpc.Families(family), hrpc.Filters(pFilter))
getRsp, err := client.Get(getRequest)
Scan with a filter
pFilter := filter.NewPrefixFilter([]byte("7"))
scanRequest, err := hrpc.NewScanStr(context.Background(), "table",
hrpc.Filters(pFilter))
scanRsp, err := client.Scan(scanRequest)
Contributing
Any help would be appreciated. Please use Github pull requests to send changes for review. Please sign the Contributor License Agreement when you send your first change for review.
License
Copyright © 2015 The GoHBase Authors. All rights reserved. Use of this source code is governed by the Apache License 2.0 that can be found in the COPYING file.
# Packages
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Package region contains data structures to represent HBase regions.
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Package zk encapsulates our interactions with ZooKeeper.
# Functions
Auth will return an option that will set the authorization method when accessing regions.
CompressionCodec will return an option to set compression codec between client and server.
EffectiveUser will return an option that will set the user used when accessing regions.
FlushInterval will return an option that will set the timeout for flushing the RPC queues used in a given client.
NewAdminClient creates an admin HBase client.
NewClient creates a new HBase client.
RegionLookupTimeout will return an option that sets the region lookup timeout.
RegionReadTimeout will return an option that sets the region read timeout.
RpcQueueSize will return an option that will set the size of the RPC queues used in a given client.
ZookeeperRoot will return an option that will set the zookeeper root path used in a given client.
ZookeeperTimeout will return an option that will set the zookeeper session timeout.
# Variables
ErrCannotFindRegion is returned when it took too many tries to find a region for the request.
ErrClientClosed is returned when the gohbase client has been closed.
TableNotFound is returned when attempting to access a table that doesn't exist on this cluster.
# Interfaces
AdminClient to perform admistrative operations with HMaster.
Client a regular HBase client.
RPCClient is core client of gohbase.
# Type aliases
Option is a function used to configure optional config items for a Client.