fix some issues

.gitignore

@@ -8,3 +8,4 @@
 /data/.cache/.data.db-shm
 /data/.cache/.data.db-wal
 /demo/out/
+/zendata-test/

demo/numb.yaml

@@ -5,10 +5,10 @@ version: 1.0
 
 field: number
 note: 数值类型数据
-prefix: "'"
-postfix: "'"
-loop: 2
-loopfix: "-"
+#prefix: "'"
+#postfix: "'"
+#loop: 2
+#loopfix: "-"
 ranges:
   small: 1-9
   medium: 11-99

demo/test.yaml

@@ -12,10 +12,10 @@ fields:
     note: 引用同级目录中的yaml文件，取small和large两个分组的值
     from: numb.yaml
     use: small,large
-    loop: 3
-    loopfix: " "
-    prefix: "["
-    postfix: "]"
+#    loop: 3
+#    loopfix: " "
+#    prefix: "["
+#    postfix: "]"
     expect: 1,2,3,101,102...
 
   - field: field2

src/action/generator.go

@@ -56,9 +56,9 @@ func Print(rows [][]string, format string, table string, colTypes []bool, fields
 		valueList := ""
 
 		for j, col := range cols {
-			if j >0 {
-				line = line + ""
-				valueList = valueList + ""
+			if j >0 && format == "sql" {
+				line = line + ","
+				valueList = valueList + ","
 			}
 			line = line + col