fix: fixed some issues

server/internal/db/dbm/postgres/helper.go

@@ -30,7 +30,7 @@ type DumpHelper struct {
 func (dh *DumpHelper) AfterInsert(writer io.Writer, tableName string, columns []dbi.Column) {
 	// 设置自增序列当前值
 	for _, column := range columns {
-		if column.IsIdentity {
+		if column.AutoIncrement {
 			seq := fmt.Sprintf("SELECT setval('%s_%s_seq', (SELECT max(%s) FROM %s));\n", tableName, column.ColumnName, column.ColumnName, tableName)
 			writer.Write([]byte(seq))
 		}

server/internal/db/dbm/postgres/metadata.go

@@ -105,7 +105,7 @@ func (pd *PgsqlMetadata) GetColumns(tableNames ...string) ([]dbi.Column, error)
 			ColumnComment: cast.ToString(re["columnComment"]),
 			Nullable:      cast.ToString(re["nullable"]) == "YES",
 			IsPrimaryKey:  cast.ToInt(re["isPrimaryKey"]) == 1,
-			IsIdentity:    cast.ToInt(re["isIdentity"]) == 1,
+			AutoIncrement: cast.ToInt(re["autoIncrement"]) == 1,
 			ColumnDefault: cast.ToString(re["columnDefault"]),
 			NumPrecision:  cast.ToInt(re["numPrecision"]),
 			NumScale:      cast.ToInt(re["numScale"]),

server/internal/db/dbm/postgres/sqlgen.go

@@ -214,7 +214,7 @@ func (pd *SQLGenerator) genColumnBasicSql(quoter dbi.Quoter, column dbi.Column)
 	}
 
 	// 如果是自增类型，需要转换为serial
-	if column.IsIdentity {
+	if column.AutoIncrement {
 		if dataType == "int4" {
 			column.DataType = "serial"
 		} else if dataType == "int2" {