mycassandra

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v0.0.0-...-6af97ad Latest Latest Go to latest Published: Dec 21, 2018 License: Apache-2.0 Imports: 1 Imported by: 0

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cassandra操作工具类

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type Cdb struct {
	*Config
	// contains filtered or unexported fields
}

这是一个重要的结构体，cassandra连接包装于此 cassandra client

func New(c *Config) (cdb *Cdb)

别名，为了容易使用 alias name easy use

func NewCdb(host []string, keyspace string) (cdb *Cdb)

一般初始化连接 init cdb just these

func NewCdbWithConf(c *Config) (cdb *Cdb)

配置初始化连接 init cassandra by config

func (self *Cdb) Connect()

连接，出错panic before use must connect,error will be panic,oh!

func (c *Cdb) Exec(q *gocql.Query) error

使用上面的查询语句，开始执行,一般是插入操作 Query() then can Exec just for insert

func (c *Cdb) Iter(q *gocql.Query) *gocql.Iter

使用上面的查询语句，开始执行,一般是查找操作 Query() then real query,see test

func (c *Cdb) Query(stmt string, values ...interface{}) *gocql.Query

构造查询语句，包括插入，查找，不仅仅是查询 create a cassnara sql,not just for query can be insert

type Config struct {
	Host     []string
	Keyspace string
}

配置特别简单，主机名和keyspace cassand config, just need host and keyspace