fix FIRST_KEY_INDEX for FT.SUG* commands

Author: leibale

packages/search/lib/commands/SUGADD.ts

@@ -6,7 +6,7 @@ export interface FtSugAddOptions {
 }
 
 export default {
-  FIRST_KEY_INDEX: undefined,
+  FIRST_KEY_INDEX: 1,
   IS_READ_ONLY: true,
   transformArguments(key: RedisArgument, string: RedisArgument, score: number, options?: FtSugAddOptions) {
     const args = ['FT.SUGADD', key, string, score.toString()];

packages/search/lib/commands/SUGDEL.ts

@@ -1,7 +1,7 @@
 import { RedisArgument, NumberReply, Command } from '@redis/client/dist/lib/RESP/types';
 
 export default {
-  FIRST_KEY_INDEX: undefined,
+  FIRST_KEY_INDEX: 1,
   IS_READ_ONLY: true,
   transformArguments(key: RedisArgument, string: RedisArgument) {
     return ['FT.SUGDEL', key, string];

packages/search/lib/commands/SUGGET.ts

@@ -6,7 +6,7 @@ export interface FtSugGetOptions {
 }
 
 export default {
-  FIRST_KEY_INDEX: undefined,
+  FIRST_KEY_INDEX: 1,
   IS_READ_ONLY: true,
   transformArguments(key: RedisArgument, prefix: RedisArgument, options?: FtSugGetOptions) {
     const args = ['FT.SUGGET', key, prefix];

packages/search/lib/commands/SUGLEN.ts

@@ -1,7 +1,7 @@
 import { RedisArgument, NumberReply, Command } from '@redis/client/dist/lib/RESP/types';
 
 export default {
-  FIRST_KEY_INDEX: undefined,
+  FIRST_KEY_INDEX: 1,
   IS_READ_ONLY: true,
   transformArguments(key: RedisArgument) {
     return ['FT.SUGLEN', key];