29 lines
962 B
Go
29 lines
962 B
Go
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package cassandra
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import (
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"github.com/gocql/gocql"
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"github.com/mainflux/mainflux/writer"
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)
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var _ writer.MessageRepository = (*msgRepository)(nil)
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type msgRepository struct {
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session *gocql.Session
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}
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// NewMessageRepository instantiates Cassandra message repository.
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func NewMessageRepository(session *gocql.Session) writer.MessageRepository {
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return &msgRepository{session}
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}
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func (repo *msgRepository) Save(msg writer.Message) error {
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cql := `INSERT INTO messages_by_channel
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(channel, id, publisher, protocol, bn, bt, bu, bv, bs, bver, n, u, v, vs, vb, vd, s, t, ut, l)
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VALUES (?, now(), ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)`
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return repo.session.Query(cql, msg.Channel, msg.Publisher, msg.Protocol,
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msg.BaseName, msg.BaseTime, msg.BaseUnit, msg.BaseValue, msg.BaseSum,
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msg.Version, msg.Name, msg.Unit, msg.Value, msg.StringValue, msg.BoolValue,
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msg.DataValue, msg.ValueSum, msg.Time, msg.UpdateTime, msg.Link).Exec()
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}
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