Struct PoolBuilder

Source

pub struct PoolBuilder { /* private fields */ }

Expand description

Connection pool builder

§Example

let pool = PoolBuilder::default() .with_database("default") .with_username("default") .with_password("") .add_addr("www.example.com:9000") .build() .unwrap();

Implementations§

Source §

impl PoolBuilder

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pub fn with_compression(self) -> Self

Set compression option This make connection use LZ4 compression for block data transfer

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pub fn with_ping(self) -> Self

If set, this option make connection check server availability after it is received from pool.

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pub fn with_pool(self, min: u16, max: u16) -> Self

Set connection pool boundaries min - set the number of idle connection that the pool can keep up to max - set maximum number of connection that pool can issued

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pub fn with_username(self, value: impl ToString) -> Self

Set the username that is used in authentication

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pub fn with_database(self, value: impl ToString) -> Self

Set the default database that is used in query processing if the query doesn’t explicitly specify another database name

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pub fn with_password(self, value: impl ToString) -> Self

Set password that is used in authentication

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pub fn add_addr(self, value: impl ToString) -> Self

Set server host address.

Address must have domain name and port number

§Example

PoolBuilder::new() .with_addr('example1.com:9000') .with_addr('example2.com:9000'); Connection pool can have multiple addresses In this case next connection randomly chooses any available one if it’s reachable

Source

pub fn build(self) -> Result<Pool>

Convert the Builder into Pool using specified options. Note! Created Pool does not have connection. First connection will be created by executing pool.connection()