52 lines
1.2 KiB
Go
52 lines
1.2 KiB
Go
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package main
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import (
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"fmt"
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"github.com/neo4j/neo4j-go-driver/v5/neo4j"
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)
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func read_messages(uri string) {
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username := ""
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password := ""
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// Connect to Memgraph
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driver, err := neo4j.NewDriver(uri, neo4j.BasicAuth(username, password, ""))
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if err != nil {
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panic(err)
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}
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defer driver.Close()
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// Use AccessModeRead for read transactions
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session := driver.NewSession(neo4j.SessionConfig{AccessMode: neo4j.AccessModeRead})
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defer session.Close()
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greeting, err := session.ReadTransaction(func(transaction neo4j.Transaction) (interface{}, error) {
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result, err := transaction.Run("MATCH (n:Greeting) RETURN n.message AS message LIMIT 1", nil)
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if err != nil {
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return nil, err
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}
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if result.Next() {
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return result.Record().Values[0], nil
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}
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return nil, result.Err()
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})
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if err != nil {
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panic(err)
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}
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fmt.Println(greeting)
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}
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// Test checks that you can use bolt+routing for connecting to main and coordinators for reading.
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func main() {
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fmt.Println("Started running read_route.go test")
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read_messages("neo4j://localhost:7690") // coordinator_1
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read_messages("neo4j://localhost:7691") // coordinator_2
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read_messages("neo4j://localhost:7692") // coordinator_3
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fmt.Println("Successfully finished running coordinator_route.go test")
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}
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