{"action":"created","issue":{"url":"https://api.github.com/repos/yandex/ClickHouse/issues/747","repository_url":"https://api.github.com/repos/yandex/ClickHouse","labels_url":"https://api.github.com/repos/yandex/ClickHouse/issues/747/labels{/name}","comments_url":"https://api.github.com/repos/yandex/ClickHouse/issues/747/comments","events_url":"https://api.github.com/repos/yandex/ClickHouse/issues/747/events","html_url":"https://github.com/yandex/ClickHouse/pull/747","id":225290652,"number":747,"title":"Fix escaping of columns starting with a number","user":{"login":"mfridental","id":26088910,"avatar_url":"https://avatars0.githubusercontent.com/u/26088910?v=3","gravatar_id":"","url":"https://api.github.com/users/mfridental","html_url":"https://github.com/mfridental","followers_url":"https://api.github.com/users/mfridental/followers","following_url":"https://api.github.com/users/mfridental/following{/other_user}","gists_url":"https://api.github.com/users/mfridental/gists{/gist_id}","starred_url":"https://api.github.com/users/mfridental/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mfridental/subscriptions","organizations_url":"https://api.github.com/users/mfridental/orgs","repos_url":"https://api.github.com/users/mfridental/repos","events_url":"https://api.github.com/users/mfridental/events{/privacy}","received_events_url":"https://api.github.com/users/mfridental/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2017-04-29T22:50:40Z","updated_at":"2017-04-30T06:41:15Z","closed_at":"2017-04-30T06:40:35Z","pull_request":{"url":"https://api.github.com/repos/yandex/ClickHouse/pulls/747","html_url":"https://github.com/yandex/ClickHouse/pull/747","diff_url":"https://github.com/yandex/ClickHouse/pull/747.diff","patch_url":"https://github.com/yandex/ClickHouse/pull/747.patch"},"body":"We have a table storing http requests having bad URL query string parameters. These parameters are stored as correspondent column names. So we have discovered several issues with column name escaping using ``back quotes``\r\n\r\nThis bugfix fixes the following problem:\r\n\r\n`create table broken (``1`` String, date Date) Engine=MergeTree(date, date, 8192) `\r\n\r\nwill execute OK. But following \r\n\r\nalter table broken add column col2 String \r\n\r\nor a server restart leads to an exception."},"comment":{"url":"https://api.github.com/repos/yandex/ClickHouse/issues/comments/298214789","html_url":"https://github.com/yandex/ClickHouse/pull/747#issuecomment-298214789","issue_url":"https://api.github.com/repos/yandex/ClickHouse/issues/747","id":298214789,"user":{"login":"alexey-milovidov","id":18581488,"avatar_url":"https://avatars0.githubusercontent.com/u/18581488?v=3","gravatar_id":"","url":"https://api.github.com/users/alexey-milovidov","html_url":"https://github.com/alexey-milovidov","followers_url":"https://api.github.com/users/alexey-milovidov/followers","following_url":"https://api.github.com/users/alexey-milovidov/following{/other_user}","gists_url":"https://api.github.com/users/alexey-milovidov/gists{/gist_id}","starred_url":"https://api.github.com/users/alexey-milovidov/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/alexey-milovidov/subscriptions","organizations_url":"https://api.github.com/users/alexey-milovidov/orgs","repos_url":"https://api.github.com/users/alexey-milovidov/repos","events_url":"https://api.github.com/users/alexey-milovidov/events{/privacy}","received_events_url":"https://api.github.com/users/alexey-milovidov/received_events","type":"User","site_admin":false},"created_at":"2017-04-30T06:41:15Z","updated_at":"2017-04-30T06:41:15Z","body":"Perfect, thanks!"}}
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