ds-sdk/db_operations/db_operations.go

package db_operations

type DBOperations interface {
	BeginTransaction() TransactionDBOperations
	BaseDBOperations
}

type TransactionDBOperations interface {
	BaseDBOperations
	RollbackTransaction()
	CommitTransaction()
}

type BaseDBOperations interface {
	// 会重置数据库连接的方法
	NewSession() DBOperations
	Table(name string, args ...any) DBOperations

	// 执行SQL语句，使用Raw之后，为了触发SQL执行，需要调用Row或者Rows
	// 如果是查询语句，使用Rows或Row均可，主要看自己需要查询的是单行还是多行
	// 如果是写语句，必须使用Rows，否则由于没有返回结果，Rows会报错
	Raw(sql string, values ...any) DBOperations

	// 组织SQL语句相关的方法
	Select(query string, args ...any) DBOperations
	Where(query string, args ...any) DBOperations
	Or(query string, args ...any) DBOperations
	GroupBy(groupBy string) DBOperations
	OrderBy(orderBy string) DBOperations
	Joins(query string, args ...any) DBOperations
	Having(query string, args ...any) DBOperations
	Paging(pageNo int, pageSize int) DBOperations

	// 写方法
	Create(tableRow map[string]any) error
	CreateBatch(tableRows []map[string]any) error
	Delete() error
	Updates(updateData map[string]any) error
	UpdatesWithRowsAffected(updateData map[string]any) (int64, error)

	// 查询方法
	Rows(pageNo int, pageSize int) ([]map[string]any, error)
	Row() (map[string]any, error)

	// 其他方法
	Count(count *int64) error
}