Add NewEngineWithParams method can call SetParams for dialect. The dialect_… (#798)

* Add NewEngine2 method can call SetArguments for dialect. The dialect_mysql support ROW_FORMAT in createtable. (https://github.com/go-xorm/xorm/issues/793)

* Rename NewEngine2 to NewEngineWithParams

* rename SetArguments to SetParams

* rename SetArguments to SetParmas

dialect_mysql.go

@@ -172,12 +172,33 @@ type mysql struct {
 	allowAllFiles     bool
 	allowOldPasswords bool
 	clientFoundRows   bool
+	rowFormat         string
 }
 
 func (db *mysql) Init(d *core.DB, uri *core.Uri, drivername, dataSourceName string) error {
 	return db.Base.Init(d, db, uri, drivername, dataSourceName)
 }
 
+func (db *mysql) SetParams(params map[string]string) {
+	rowFormat, ok := params["rowFormat"]
+	if ok {
+		var t = strings.ToUpper(rowFormat)
+		switch t {
+		case "COMPACT":
+			fallthrough
+		case "REDUNDANT":
+			fallthrough
+		case "DYNAMIC":
+			fallthrough
+		case "COMPRESSED":
+			db.rowFormat = t
+			break
+		default:
+			break
+		}
+	}
+}
+
 func (db *mysql) SqlType(c *core.Column) string {
 	var res string
 	switch t := c.SQLType.Name; t {
@@ -487,6 +508,59 @@ func (db *mysql) GetIndexes(tableName string) (map[string]*core.Index, error) {
 	return indexes, nil
 }
 
+func (db *mysql) CreateTableSql(table *core.Table, tableName, storeEngine, charset string) string {
+	var sql string
+	sql = "CREATE TABLE IF NOT EXISTS "
+	if tableName == "" {
+		tableName = table.Name
+	}
+
+	sql += db.Quote(tableName)
+	sql += " ("
+
+	if len(table.ColumnsSeq()) > 0 {
+		pkList := table.PrimaryKeys
+
+		for _, colName := range table.ColumnsSeq() {
+			col := table.GetColumn(colName)
+			if col.IsPrimaryKey && len(pkList) == 1 {
+				sql += col.String(db)
+			} else {
+				sql += col.StringNoPk(db)
+			}
+			sql = strings.TrimSpace(sql)
+			if len(col.Comment) > 0 {
+				sql += " COMMENT '" + col.Comment + "'"
+			}
+			sql += ", "
+		}
+
+		if len(pkList) > 1 {
+			sql += "PRIMARY KEY ( "
+			sql += db.Quote(strings.Join(pkList, db.Quote(",")))
+			sql += " ), "
+		}
+
+		sql = sql[:len(sql)-2]
+	}
+	sql += ")"
+
+	if storeEngine != "" {
+		sql += " ENGINE=" + storeEngine
+	}
+
+	if len(charset) == 0 {
+		charset = db.URI().Charset
+	} else if len(charset) > 0 {
+		sql += " DEFAULT CHARSET " + charset
+	}
+
+	if db.rowFormat != "" {
+		sql += " ROW_FORMAT=" + db.rowFormat
+	}
+	return sql
+}
+
 func (db *mysql) Filters() []core.Filter {
 	return []core.Filter{&core.IdFilter{}}
 }

xorm.go

@@ -108,6 +108,13 @@ func NewEngine(driverName string, dataSourceName string) (*Engine, error) {
 	return engine, nil
 }
 
+// NewEngineWithParams new a db manager with params. The params will be passed to dialect.
+func NewEngineWithParams(driverName string, dataSourceName string, params map[string]string) (*Engine, error) {
+	engine, err := NewEngine(driverName, dataSourceName)
+	engine.dialect.SetParams(params)
+	return engine, err
+}
+
 // Clone clone an engine
 func (engine *Engine) Clone() (*Engine, error) {
 	return NewEngine(engine.DriverName(), engine.DataSourceName())