Title: New union operator + · Issue #390 · datajoint/datajoint-python · GitHub
Open Graph Title: New union operator + · Issue #390 · datajoint/datajoint-python
X Title: New union operator + · Issue #390 · datajoint/datajoint-python
Description: The new union operator works on two entity sets with no secondary attributes and the primary with the same set of primary key attributes. We will not implement left joins and outer joins because they violate the principle of operational ...
Open Graph Description: The new union operator works on two entity sets with no secondary attributes and the primary with the same set of primary key attributes. We will not implement left joins and outer joins because th...
X Description: The new union operator works on two entity sets with no secondary attributes and the primary with the same set of primary key attributes. We will not implement left joins and outer joins because th...
Opengraph URL: https://github.com/datajoint/datajoint-python/issues/390
X: @github
Domain: github.com
{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"New union operator +","articleBody":"The new union operator works on two entity sets with no secondary attributes and the primary with the same set of primary key attributes.\r\n\r\nWe will not implement left joins and outer joins because they violate the principle of operational entity integrity: the result of any operation must return a well-defined entity set with a valid primary key.\r\n\r\nThis issue supersedes issue #264","author":{"url":"https://github.com/dimitri-yatsenko","@type":"Person","name":"dimitri-yatsenko"},"datePublished":"2017-11-13T03:04:59.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/390/datajoint-python/issues/390"}| route-pattern | /_view_fragments/issues/show/:user_id/:repository/:id/issue_layout(.:format) |
| route-controller | voltron_issues_fragments |
| route-action | issue_layout |
| fetch-nonce | v2:1bb86210-d650-ce43-c0b2-f36de4fe5a6c |
| current-catalog-service-hash | 81bb79d38c15960b92d99bca9288a9108c7a47b18f2423d0f6438c5b7bcd2114 |
| request-id | 8D60:AF0A5:F95B21:15305C3:6A4D62B1 |
| html-safe-nonce | 896366cfd11b895d48888e1ec3a603ff645aab40bcfcf10063363607adee2ea3 |
| visitor-payload | eyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI4RDYwOkFGMEE1OkY5NUIyMToxNTMwNUMzOjZBNEQ2MkIxIiwidmlzaXRvcl9pZCI6IjI1NTg5NDQ4MTUyNzUxMzk3NjEiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ== |
| visitor-hmac | eefd79360fd97ec4abe36f6549721cfd66b0a555938f3443ea5d67b93455cfde |
| hovercard-subject-tag | issue:273297169 |
| github-keyboard-shortcuts | repository,issues,copilot |
| google-site-verification | Apib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I |
| octolytics-url | https://collector.github.com/github/collect |
| analytics-location | / |
| fb:app_id | 1401488693436528 |
| apple-itunes-app | app-id=1477376905, app-argument=https://github.com/_view_fragments/issues/show/datajoint/datajoint-python/390/issue_layout |
| twitter:image | https://opengraph.githubassets.com/7d3fa8208faf5b51cdbf0f7b4803980866fa60209a92ad40d3d3383266c301f1/datajoint/datajoint-python/issues/390 |
| twitter:card | summary_large_image |
| og:image | https://opengraph.githubassets.com/7d3fa8208faf5b51cdbf0f7b4803980866fa60209a92ad40d3d3383266c301f1/datajoint/datajoint-python/issues/390 |
| og:image:alt | The new union operator works on two entity sets with no secondary attributes and the primary with the same set of primary key attributes. We will not implement left joins and outer joins because th... |
| og:image:width | 1200 |
| og:image:height | 600 |
| og:site_name | GitHub |
| og:type | object |
| og:author:username | dimitri-yatsenko |
| hostname | github.com |
| expected-hostname | github.com |
| None | e6658d7c7808aeed776f841e0839b885fce343c9b96244be612c779298e7661e |
| turbo-cache-control | no-preview |
| go-import | github.com/datajoint/datajoint-python git https://github.com/datajoint/datajoint-python.git |
| octolytics-dimension-user_id | 2375501 |
| octolytics-dimension-user_login | datajoint |
| octolytics-dimension-repository_id | 5866704 |
| octolytics-dimension-repository_nwo | datajoint/datajoint-python |
| octolytics-dimension-repository_public | true |
| octolytics-dimension-repository_is_fork | false |
| octolytics-dimension-repository_network_root_id | 5866704 |
| octolytics-dimension-repository_network_root_nwo | datajoint/datajoint-python |
| turbo-body-classes | logged-out env-production page-responsive |
| disable-turbo | false |
| browser-stats-url | https://api.github.com/_private/browser/stats |
| browser-errors-url | https://api.github.com/_private/browser/errors |
| release | a438513d3a22ffcd713795ed948c3e5525007665 |
| ui-target | full |
| theme-color | #1e2327 |
| color-scheme | light dark |
Links:
Viewport: width=device-width