{"id":19335325,"url":"https://github.com/ericadamski/knex-case","last_synced_at":"2026-06-13T18:32:42.477Z","repository":{"id":57289328,"uuid":"132923096","full_name":"ericadamski/knex-case","owner":"ericadamski","description":"⚙️ A Knex.js _plugin_ to add case statement support","archived":false,"fork":false,"pushed_at":"2018-09-03T00:04:45.000Z","size":92,"stargazers_count":1,"open_issues_count":2,"forks_count":1,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-02-07T21:06:32.980Z","etag":null,"topics":["knex","knex-plugin","knexjs"],"latest_commit_sha":null,"homepage":null,"language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/ericadamski.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2018-05-10T15:56:38.000Z","updated_at":"2018-09-03T10:42:47.000Z","dependencies_parsed_at":"2022-09-04T09:50:38.611Z","dependency_job_id":null,"html_url":"https://github.com/ericadamski/knex-case","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ericadamski%2Fknex-case","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ericadamski%2Fknex-case/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ericadamski%2Fknex-case/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/ericadamski%2Fknex-case/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/ericadamski","download_url":"https://codeload.github.com/ericadamski/knex-case/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":240441863,"owners_count":19801791,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["knex","knex-plugin","knexjs"],"created_at":"2024-11-10T03:07:03.700Z","updated_at":"2026-06-13T18:32:37.448Z","avatar_url":"https://github.com/ericadamski.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# knex-case\n\n⚙️ A Knex.js _plugin_ to add case statement support\n\n## Installation\n\n```\n$ yarn add knex-case\n```\n\nor\n\n```\n$ npm i knex-case\n```\n\n## Usage\n\n#### Simple\n\n```SQL\n(CASE WHEN column=1 THEN 1 ELSE 0 END)\n```\n\n```javascript\nrequire('knex-case');\nconst Knex = require('knex')({ client: 'mssql' });\n\nconst q = Knex.queryBuilder()\n  .when('column', '=', 1)\n  .thenElse(1, 0)\n  .toQuery();\n\nconsole.log(q); // (CASE WHEN column=1 THEN 1 ELSE 0 END);\n```\n\n#### Conditional Simple\n\n```SQL\n(CASE WHEN column=1 OR column=2 THEN 1 ELSE 0 END)\n```\n\n```javascript\nrequire('knex-case');\nconst Knex = require('knex')({ client: 'mssql' });\n\nconst q = Knex.queryBuilder()\n  .when('column', '=', 1)\n  .orWhen('column', '=', 2)\n  .thenElse(1, 0)\n  .toQuery();\n\nconsole.log(q); // (CASE WHEN column=1 OR column=2 THEN 1 ELSE 0 END);\n```\n\n#### Multiple Clauses\n\n```SQL\n(CASE WHEN column=1 THEN 1 WHEN column=2 THEN 2 ELSE 0 END)\n```\n\n```javascript\nrequire('knex-case');\nconst Knex = require('knex')({ client: 'mssql' });\n\nconst q = Knex.queryBuilder()\n  .when('column', '=', 1)\n  .thenElse(1)\n  .when('column', '=', 2)\n  .thenElse(2)\n  .else(0)\n  .toQuery();\n\nconsole.log(q); // (CASE WHEN column=1 THEN 1 WHEN column=2 THEN 2 ELSE 0 END);\n```\n\n#### Nested Simple\n\n```SQL\n(CASE WHEN column=1 THEN (CASE WHEN column='' THEN 2 ELSE 0 END) ELSE 0 END)\n```\n\n```javascript\nrequire('knex-case');\nconst Knex = require('knex')({ client: 'mssql' });\n\nconst q = Knex.queryBuilder()\n  .when('column', '=', 1)\n  .thenElse(\n    Knex.queryBuilder()\n      .when('column', '=', `''`)\n      .thenElse(2, 0)\n  )\n  .else(0)\n  .toQuery();\n\nconsole.log(q); // (CASE WHEN column=1 THEN (CASE WHEN column='' THEN 2 ELSE 0 END) ELSE 0 END);\n```\n\n## Caveats\n\n#### String Escaping\n\nCurrently if you want to output correct SQL that includes string comparisons (ie. `something='some-string'`) you will have to escape the internal value.\n\nExample:\n\n```javascript\n// String literals\nKnex.queryBuilder().when('something', '=', `'some-string'`);\n\n// Escape sequences\nKnex.queryBuilder().when('something', '=', \"'some-string'\");\n\n// Alternating quotations\nKnex.queryBuilder().when('something', '=', \"'some-string'\");\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fericadamski%2Fknex-case","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fericadamski%2Fknex-case","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fericadamski%2Fknex-case/lists"}