Files
go-trustlog/scripts/reset_db.go

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package main
import (
"database/sql"
"fmt"
"log"
"os"
_ "github.com/lib/pq"
)
func main() {
// PostgreSQL连接信息
connStr := "host=localhost port=5432 user=postgres password=postgres dbname=trustlog sslmode=disable"
db, err := sql.Open("postgres", connStr)
if err != nil {
log.Fatalf("❌ Failed to connect to database: %v", err)
}
defer db.Close()
// 测试连接
if err := db.Ping(); err != nil {
log.Fatalf("❌ Failed to ping database: %v", err)
}
fmt.Println("✅ Connected to PostgreSQL database: trustlog")
// 删除旧表
fmt.Println("\n📋 Dropping old tables...")
dropSQL := []string{
"DROP TABLE IF EXISTS operation CASCADE",
"DROP TABLE IF EXISTS trustlog_cursor CASCADE",
"DROP TABLE IF EXISTS trustlog_retry CASCADE",
}
for _, sql := range dropSQL {
if _, err := db.Exec(sql); err != nil {
log.Printf("⚠️ Warning dropping table: %v", err)
} else {
fmt.Println("✅", sql)
}
}
// 读取并执行新的DDL
fmt.Println("\n📋 Creating new tables with op_code...")
ddlFile := "api/persistence/sql/postgresql.sql"
ddlContent, err := os.ReadFile(ddlFile)
if err != nil {
log.Fatalf("❌ Failed to read DDL file: %v", err)
}
if _, err := db.Exec(string(ddlContent)); err != nil {
log.Fatalf("❌ Failed to execute DDL: %v", err)
}
fmt.Println("✅ Tables created successfully")
// 验证表结构
fmt.Println("\n📋 Verifying table structure...")
var count int
query := `SELECT COUNT(*) FROM information_schema.tables WHERE table_schema = 'public' AND table_name IN ('operation', 'trustlog_cursor', 'trustlog_retry')`
if err := db.QueryRow(query).Scan(&count); err != nil {
log.Fatalf("❌ Failed to verify tables: %v", err)
}
if count != 3 {
log.Fatalf("❌ Expected 3 tables, found %d", count)
}
fmt.Printf("✅ All %d tables verified\n", count)
// 验证op_code列
var dataType string
colQuery := `SELECT data_type FROM information_schema.columns WHERE table_name = 'operation' AND column_name = 'op_code'`
if err := db.QueryRow(colQuery).Scan(&dataType); err != nil {
log.Fatalf("❌ Failed to verify op_code column: %v", err)
}
fmt.Printf("✅ op_code column type: %s\n", dataType)
fmt.Println("\n🎉 Database reset completed successfully!")
}