Class: ClickhouseNative::Pool

Inherits:
Object
  • Object
show all
Defined in:
lib/clickhouse_native/pool.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(host:, port:, database: "default", user: "default", password: "", compression: :none, logger: nil, settings: {}, pool_size: 5, pool_timeout: 5) ⇒ Pool

Returns a new instance of Pool.



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# File 'lib/clickhouse_native/pool.rb', line 9

def initialize(host:, port:, database: "default", user: "default", password: "",
               compression: :none, logger: nil, settings: {},
               pool_size: 5, pool_timeout: 5)
  @host = host
  @port = port
  @database = database
  client_kwargs = { host:, port:, database:, user:, password:, compression:, logger: }
  set_sql = settings_sql(settings)
  @pool = ConnectionPool.new(size: pool_size, timeout: pool_timeout) do
    client = Client.new(**client_kwargs)
    client.execute(set_sql) if set_sql
    client
  end
end

Instance Attribute Details

#databaseObject (readonly)

Returns the value of attribute database.



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# File 'lib/clickhouse_native/pool.rb', line 7

def database
  @database
end

#hostObject (readonly)

Returns the value of attribute host.



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# File 'lib/clickhouse_native/pool.rb', line 7

def host
  @host
end

#portObject (readonly)

Returns the value of attribute port.



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# File 'lib/clickhouse_native/pool.rb', line 7

def port
  @port
end

Instance Method Details

#describe_table(table, db_name: nil) ⇒ Object



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# File 'lib/clickhouse_native/pool.rb', line 56

def describe_table(table, db_name: nil)
  @pool.with { |c| c.describe_table(table, db_name:) }
end

#execute(sql) ⇒ Object



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# File 'lib/clickhouse_native/pool.rb', line 28

def execute(sql)
  @pool.with { |c| c.execute(sql) }
end

#insert(table, rows, **opts) ⇒ Object



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# File 'lib/clickhouse_native/pool.rb', line 44

def insert(table, rows, **opts)
  @pool.with { |c| c.insert(table, rows, **opts) }
end

#pingObject



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# File 'lib/clickhouse_native/pool.rb', line 48

def ping
  @pool.with(&:ping)
end

#query(sql) ⇒ Object



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# File 'lib/clickhouse_native/pool.rb', line 32

def query(sql)
  @pool.with { |c| c.query(sql) }
end

#query_each(sql, &block) ⇒ Object



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# File 'lib/clickhouse_native/pool.rb', line 36

def query_each(sql, &block)
  @pool.with { |c| c.query_each(sql, &block) }
end

#query_value(sql) ⇒ Object



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# File 'lib/clickhouse_native/pool.rb', line 40

def query_value(sql)
  @pool.with { |c| c.query_value(sql) }
end

#server_versionObject



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# File 'lib/clickhouse_native/pool.rb', line 52

def server_version
  @pool.with(&:server_version)
end

#withObject



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# File 'lib/clickhouse_native/pool.rb', line 24

def with(&)
  @pool.with(&)
end