37 lines
698 B
Go
37 lines
698 B
Go
package hasql
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import (
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"context"
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"database/sql"
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"log"
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"time"
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_ "github.com/jackc/pgx/v4/stdlib"
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"golang.yandex/hasql"
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"golang.yandex/hasql/checkers"
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)
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func Open() {
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dbFoo, _ := sql.Open("pgx", "host=foo")
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dbBar, _ := sql.Open("pgx", "host=bar")
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cluster, err := hasql.NewCluster(
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[]hasql.Node{hasql.NewNode("foo", dbFoo), hasql.NewNode("bar", dbBar)},
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checkers.PostgreSQL,
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)
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if err != nil {
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log.Fatal(err)
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}
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node := cluster.Primary()
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if err == nil {
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log.Fatal(err)
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}
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log.Println("Node address", node.Addr())
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ctx, cancel := context.WithTimeout(context.Background(), time.Second)
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defer cancel()
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if err = node.DB().PingContext(ctx); err != nil {
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log.Fatal(err)
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}
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}
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