Table upload

rocksdb.go

@@ -4,11 +4,16 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"sync/atomic"
 	"time"
 
 	"github.com/tecbot/gorocksdb"
 )
 
+// EDB 全局操作的edb对象
+var EDB *EasyDataBase
+
+// OpenLog 初始化日志设置
 func OpenLog() {
 	f, err := os.OpenFile("./rocksdb.log", os.O_CREATE|os.O_RDWR|os.O_TRUNC, 0660)
 	if err != nil {
@@ -19,8 +24,65 @@ func OpenLog() {
 
 func init() {
 	OpenLog()
+
+	EDB = NewEasyDataBase()
 }
 
+func NewEasyDataBase() *EasyDataBase {
+	edb := &EasyDataBase{}
+	db, cfs := OpenDataBase()
+	edb.DB = db
+	edb.CFS = cfs
+	return edb
+}
+
+type EasyDataBase struct {
+	DB  *gorocksdb.DB
+	CFS gorocksdb.ColumnFamilyHandles
+
+	Tables    map[uint32]*Table
+	TableDict map[string]uint32
+
+	Metadata
+}
+
+type Metadata struct {
+	tidCount uint32 // int16
+}
+
+type Field struct {
+	Name     string
+	Type     int
+	ID       int
+	IsIndex  bool
+	IsUnique bool
+}
+
+type Table struct {
+	Name string
+	Type int
+	ID   uint32 // uint16
+
+	IsAllKey bool
+	Fields   []*Field
+
+	fidCount uint16 // uint16
+	idxCount uint64
+	rawCount uint64
+	delCount uint64
+}
+
+func CreateTable(name string, field []*Field) {
+	if _, ok := EDB.TableDict[name]; !ok {
+		ntid := atomic.AddUint32(&EDB.Metadata.tidCount, 1)
+		table := &Table{Name: name, ID: ntid, Type: 1}
+	} else {
+		log.Println("table name is exists")
+	}
+
+}
+
+// {tableid(2)}{fieldid(2)}{value}{indexid(8)} = {rowid(8)} {rowid} = {values}
 func OpenDataBase() (*gorocksdb.DB, []*gorocksdb.ColumnFamilyHandle) {
 
 	bbto := gorocksdb.NewDefaultBlockBasedTableOptions()