{"action":"opened","issue":{"url":"https://api.github.com/repos/pyexcel/pyexcel-ods/issues/16","repository_url":"https://api.github.com/repos/pyexcel/pyexcel-ods","labels_url":"https://api.github.com/repos/pyexcel/pyexcel-ods/issues/16/labels{/name}","comments_url":"https://api.github.com/repos/pyexcel/pyexcel-ods/issues/16/comments","events_url":"https://api.github.com/repos/pyexcel/pyexcel-ods/issues/16/events","html_url":"https://github.com/pyexcel/pyexcel-ods/issues/16","id":193243386,"number":16,"title":"performance issue with v0.2.1 and v0.2.2","user":{"login":"chfw","id":4280312,"avatar_url":"https://avatars.githubusercontent.com/u/4280312?v=3","gravatar_id":"","url":"https://api.github.com/users/chfw","html_url":"https://github.com/chfw","followers_url":"https://api.github.com/users/chfw/followers","following_url":"https://api.github.com/users/chfw/following{/other_user}","gists_url":"https://api.github.com/users/chfw/gists{/gist_id}","starred_url":"https://api.github.com/users/chfw/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/chfw/subscriptions","organizations_url":"https://api.github.com/users/chfw/orgs","repos_url":"https://api.github.com/users/chfw/repos","events_url":"https://api.github.com/users/chfw/events{/privacy}","received_events_url":"https://api.github.com/users/chfw/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-12-02T23:30:06Z","updated_at":"2016-12-02T23:30:06Z","closed_at":null,"body":"It take too long to read 384kb file. v0.2.0 did not have such a problem. the problem is because it iterate the sheet twice and had to remember repeated cells. it tried to implement random access to any cell but now it turns out that it has a performance penalty. \r\n\r\nHowever, pyexcel-io v.0.3.0 has a new implementation for to_array. so reverting back to v0.2.0 code but using pyexcel-io v0.3.0's new design is the solution.\r\n\r\nhttps://github.com/pyexcel/pyexcel/issues/65"}}
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