Files
srdb/examples/time_duration/main.go

141 lines
3.5 KiB
Go
Raw Normal View History

package main
import (
"fmt"
"log"
"os"
"time"
"code.tczkiot.com/wlw/srdb"
)
func main() {
fmt.Println("=== Testing Time and Duration Types ===\n")
// 1. 创建 Schema
schema, err := srdb.NewSchema("events", []srdb.Field{
{Name: "name", Type: srdb.String, Comment: "事件名称"},
{Name: "created_at", Type: srdb.Time, Comment: "创建时间"},
{Name: "duration", Type: srdb.Duration, Comment: "持续时间"},
{Name: "count", Type: srdb.Int64, Comment: "计数"},
})
if err != nil {
log.Fatalf("创建 Schema 失败: %v", err)
}
fmt.Println("✓ Schema 创建成功")
fmt.Printf(" 字段数: %d\n", len(schema.Fields))
for _, field := range schema.Fields {
fmt.Printf(" - %s: %s (%s)\n", field.Name, field.Type.String(), field.Comment)
}
fmt.Println()
// 2. 创建数据库和表
os.RemoveAll("./test_time_data")
db, err := srdb.Open("./test_time_data")
if err != nil {
log.Fatalf("打开数据库失败: %v", err)
}
defer func() {
db.Close()
os.RemoveAll("./test_time_data")
}()
table, err := db.CreateTable("events", schema)
if err != nil {
log.Fatalf("创建表失败: %v", err)
}
fmt.Println("✓ 表创建成功\n")
// 3. 插入数据(使用原生类型)
now := time.Now()
duration := 2 * time.Hour
err = table.Insert(map[string]any{
"name": "event1",
"created_at": now,
"duration": duration,
"count": int64(100),
})
if err != nil {
log.Fatalf("插入数据失败: %v", err)
}
fmt.Println("✓ 插入数据成功(使用原生类型)")
fmt.Printf(" 时间: %v\n", now)
fmt.Printf(" 持续时间: %v\n", duration)
fmt.Println()
// 4. 插入数据(使用字符串格式)
err = table.Insert(map[string]any{
"name": "event2",
"created_at": now.Format(time.RFC3339),
"duration": "1h30m",
"count": int64(200),
})
if err != nil {
log.Fatalf("插入数据失败(字符串格式): %v", err)
}
fmt.Println("✓ 插入数据成功(使用字符串格式)")
fmt.Printf(" 时间字符串: %s\n", now.Format(time.RFC3339))
fmt.Printf(" 持续时间字符串: 1h30m\n")
fmt.Println()
// 5. 插入数据(使用 int64 格式)
err = table.Insert(map[string]any{
"name": "event3",
"created_at": now.Unix(),
"duration": int64(45 * time.Minute),
"count": int64(300),
})
if err != nil {
log.Fatalf("插入数据失败int64 格式): %v", err)
}
fmt.Println("✓ 插入数据成功(使用 int64 格式)")
fmt.Printf(" Unix 时间戳: %d\n", now.Unix())
fmt.Printf(" 持续时间(纳秒): %d\n", int64(45*time.Minute))
fmt.Println()
// 6. 查询数据
fmt.Println("6. 查询所有数据")
rows, err := table.Query().Rows()
if err != nil {
log.Fatalf("查询失败: %v", err)
}
defer rows.Close()
count := 0
for rows.Next() {
count++
row := rows.Row()
data := row.Data()
name := data["name"]
createdAt := data["created_at"]
dur := data["duration"]
cnt := data["count"]
fmt.Printf(" [%d] 名称: %v\n", count, name)
// 验证类型
if t, ok := createdAt.(time.Time); ok {
fmt.Printf(" 时间: %v (类型: time.Time) ✓\n", t.Format(time.RFC3339))
} else {
fmt.Printf(" 时间: %v (类型: %T) ✗\n", createdAt, createdAt)
}
if d, ok := dur.(time.Duration); ok {
fmt.Printf(" 持续时间: %v (类型: time.Duration) ✓\n", d)
} else {
fmt.Printf(" 持续时间: %v (类型: %T) ✗\n", dur, dur)
}
fmt.Printf(" 计数: %v\n\n", cnt)
}
fmt.Printf("✅ 所有测试完成! 共查询 %d 条记录\n", count)
}