sql_connection It might be better to set PoolSize not to MaxPoolSize when MaxPoolSize==0

[ZhengweiHou]

dsc/sql_connection.go

Lines 139 to 148 in 9279ced

	func newSQLConnectionProvider(config *Config) ConnectionProvider {
	if config.MaxPoolSize == 0 {
	config.MaxPoolSize = 1
	}
	sqlConnectionProvider := &sqlConnectionProvider{}
	var connectionProvider ConnectionProvider = sqlConnectionProvider
	super := NewAbstractConnectionProvider(config, make(chan Connection, config.MaxPoolSize), connectionProvider)
	sqlConnectionProvider.AbstractConnectionProvider = super
	return connectionProvider
	}

It might be better to set PoolSize not to MaxPoolSize when MaxPoolSize==0

	if config.PoolSize == 0 {
		config.PoolSize = 1
	}
	if config.MaxPoolSize == 0 {
		config.MaxPoolSize = config.PoolSize
	}