fix: rebuild MES as compilable go-zero+ent backend (renamed bj_power_mes), restore 3 workstation projects from pristine original, align naming; all Go projects go build clean

bj_power_mes/schema/tools/migrate.go

@@ -0,0 +1,63 @@
+//go:build ignore
+
+package main
+
+import (
+	"context"
+	"database/sql"
+	"log"
+
+	"bj_power_mes/ent"
+
+	"entgo.io/ent/dialect"
+	entsql "entgo.io/ent/dialect/sql"
+	"entgo.io/ent/dialect/sql/schema"
+	_ "github.com/jackc/pgx/v5/stdlib"
+)
+
+var (
+	client *ent.Client
+
+	ctx = context.Background()
+)
+
+func setUp() {
+	db, err := sql.Open("pgx", "postgresql://postgres:postgres@127.0.0.1:5432/back_cover")
+	//db, err := sql.Open("pgx", "postgresql://postgres:hardman@192.168.1.125:5432/back_cover")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	_, err = db.Query("select 1")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	drv := entsql.OpenDB(dialect.Postgres, db)
+	client = ent.NewClient(ent.Driver(drv))
+}
+
+func tearDown() {
+	err := client.Close()
+	if err != nil {
+		return
+	}
+}
+
+func main() {
+	setUp()
+	defer tearDown()
+
+	// Run the auto migration tool.
+	// WithDropColumn(false): 只建新表/加列，不删任何列，保证生产数据安全
+	if err := client.Debug().Schema.Create(
+		context.Background(),
+		schema.WithDropIndex(true),
+		schema.WithDropColumn(false),
+		schema.WithDialect(dialect.Postgres), // Ent dialect to use
+		schema.WithForeignKeys(false),        // 不创建外键约束
+	); err != nil {
+		log.Fatalf("failed creating schema resources: %v", err)
+	}
+	log.Println("schemas migrated successfully!")
+}