vcscsvcscs/GenerationsHeritage
1
0
Fork 0
mirror of https://github.com/vcscsvcscs/GenerationsHeritage.git synced 2025-08-14 06:49:05 +02:00
Code Issues Packages Projects Releases Wiki Activity

rm create schema

Browse Source
This commit is contained in:
Vargha Csongor
2025-04-10 21:10:56 +02:00
parent 7bf31c0975
commit 08e60f4af3
2 changed files with 0 additions and 74 deletions
Download Patch File Download Diff File Expand all files Collapse all files

66
apps/db-adapter/internal/memgraph/create_schema.go
View File

@@ -1,66 +0,0 @@
package memgraph
import (
"time"
"github.com/neo4j/neo4j-go-driver/v5/neo4j"
"golang.org/x/net/context"
)
const dbCreateSchemaTimeout = 10 * time.Second
func createIndexes(driver neo4j.DriverWithContext) error {
ctx, cancel := context.WithTimeout(context.Background(), dbCreateSchemaTimeout)
defer cancel()
session := driver.NewSession(ctx, neo4j.SessionConfig{AccessMode: neo4j.AccessModeWrite})
defer session.Close(ctx)
indexes := []string{
`CREATE INDEX ON :Person(id);`,
`CREATE INDEX ON :Person(last_name);`,
`CREATE INDEX ON :Person(first_name);`,
`CREATE INDEX ON :Person(born);`,
`CREATE INDEX ON :Person(mothers_first_name);`,
`CREATE INDEX ON :Person(mothers_last_name);`,
}
// Run index queries via implicit auto-commit transaction
for _, index := range indexes {
_, err := session.Run(ctx, index, nil)
if err != nil {
return err
}
}
return nil
}
func createConstraints(driver neo4j.DriverWithContext) error {
ctx, cancel := context.WithTimeout(context.Background(), dbCreateSchemaTimeout)
defer cancel()
session := driver.NewSession(ctx, neo4j.SessionConfig{AccessMode: neo4j.AccessModeWrite})
defer session.Close(ctx)
constraints := []string{
`CREATE CONSTRAINT ON (n:Person) ASSERT EXISTS (n.id);`,
`CREATE CONSTRAINT ON (n:Person) ASSERT EXISTS (n.last_name);`,
`CREATE CONSTRAINT ON (n:Person) ASSERT EXISTS (n.first_name);`,
`CREATE CONSTRAINT ON (n:Person) ASSERT EXISTS (n.born);`,
`CREATE CONSTRAINT ON (n:Person) ASSERT EXISTS (n.mothers_first_name);`,
`CREATE CONSTRAINT ON (n:Person) ASSERT EXISTS (n.mothers_last_name);`,
`CREATE CONSTRAINT ON (n:Person) ASSERT n.id IS UNIQUE;`,
`CREATE CONSTRAINT ON (n:Person) ASSERT n.last_name, n.first_name, n.born, n.mothers_first_name, n.mothers_last_name IS UNIQUE;`,
}
// Run index queries via implicit auto-commit transaction
for _, constraint := range constraints {
_, err := session.Run(ctx, constraint, nil)
if err != nil {
return err
}
}
return nil
}

8
apps/db-adapter/internal/memgraph/init_database.go
View File

@@ -20,13 +20,5 @@ func InitDatabase(dbURI, dbUser, dbPassword string) neo4j.DriverWithContext {
log.Panicln(err)
}
if err := createIndexes(driver); err != nil {
log.Panicln(err)
}
if err := createConstraints(driver); err != nil {
log.Panicln(err)
}
return driver
}