Fix possible clickhouse-local abort on JSONEachRow schema inference

src/Core/NamesAndTypes.h

@@ -53,7 +53,17 @@ struct NameAndTypePair
 /// This needed to use structured bindings for NameAndTypePair
 /// const auto & [name, type] = name_and_type
 template <int I>
-decltype(auto) get(const NameAndTypePair & name_and_type)
+const std::tuple_element_t<I, NameAndTypePair> & get(const NameAndTypePair & name_and_type)
+{
+    if constexpr (I == 0)
+        return name_and_type.name;
+    else if constexpr (I == 1)
+        return name_and_type.type;
+}
+
+/// auto & [name, type] = name_and_type
+template <int I>
+std::tuple_element_t<I, NameAndTypePair> & get(NameAndTypePair & name_and_type)
 {
     if constexpr (I == 0)
         return name_and_type.name;

tests/queries/0_stateless/02669_local_desc_abort_on_twitter_json.reference

@@ -0,0 +1 @@
+1

tests/queries/0_stateless/02669_local_desc_abort_on_twitter_json.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+CUR_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+# shellcheck source=../shell_config.sh
+. "$CUR_DIR"/../shell_config.sh
+
+$CLICKHOUSE_LOCAL -q "desc file('$CUR_DIR/data_json/twitter.jsonl')" 2>&1 | grep -c "ONLY_NULLS_WHILE_READING_SCHEMA"
+

tests/queries/0_stateless/data_json/twitter.jsonl

@@ -0,0 +1 @@
+{"created_at":"Wed Jul 01 06:29:00 +0000 2020","id":1278214001395216384,"id_str":"1278214001395216384","text":"\u00c8 SICUROOOOO?","source":"\u003ca href=\"https:\/\/elenoireferruzzibot.com\" rel=\"nofollow\"\u003eBotElenoire\u003c\/a\u003e","truncated":false,"in_reply_to_status_id":null,"in_reply_to_status_id_str":null,"in_reply_to_user_id":null,"in_reply_to_user_id_str":null,"in_reply_to_screen_name":null,"user":{"id":1191418444324966403,"id_str":"1191418444324966403","name":"Elenoire Ferruzzi Bot","screen_name":"BotElenoire","location":null,"url":null,"description":"L\u2019importante \u00e8 averli puliti","translator_type":"none","protected":false,"verified":false,"followers_count":1239,"friends_count":3,"listed_count":1,"favourites_count":12,"statuses_count":20769,"created_at":"Mon Nov 04 18:14:32 +0000 2019","utc_offset":null,"time_zone":null,"geo_enabled":false,"lang":null,"contributors_enabled":false,"is_translator":false,"profile_background_color":"F5F8FA","profile_background_image_url":"","profile_background_image_url_https":"","profile_background_tile":false,"profile_link_color":"1DA1F2","profile_sidebar_border_color":"C0DEED","profile_sidebar_fill_color":"DDEEF6","profile_text_color":"333333","profile_use_background_image":true,"profile_image_url":"http:\/\/pbs.twimg.com\/profile_images\/1191422843084521472\/HEy5I5g8_normal.jpg","profile_image_url_https":"https:\/\/pbs.twimg.com\/profile_images\/1191422843084521472\/HEy5I5g8_normal.jpg","profile_banner_url":"https:\/\/pbs.twimg.com\/profile_banners\/1191418444324966403\/1578228379","default_profile":true,"default_profile_image":false,"following":null,"follow_request_sent":null,"notifications":null},"geo":null,"coordinates":null,"place":null,"contributors":null,"is_quote_status":false,"quote_count":0,"reply_count":0,"retweet_count":0,"favorite_count":0,"entities":{"hashtags":[],"urls":[],"user_mentions":[],"symbols":[]},"favorited":false,"retweeted":false,"filter_level":"low","lang":"it","timestamp_ms":"1593584940657"}