{"id":29189907,"url":"https://github.com/mniabedii/java-query-language","last_synced_at":"2026-04-24T20:03:18.811Z","repository":{"id":301900510,"uuid":"1010623129","full_name":"mniabedii/java-query-language","owner":"mniabedii","description":"A lightweight relational database engine in Java. Using strings, regex, and custom SQL-like syntax.","archived":false,"fork":false,"pushed_at":"2025-06-29T13:20:59.000Z","size":6,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"main","last_synced_at":"2025-06-29T14:25:43.190Z","etag":null,"topics":["database","java","jql","regex","string"],"latest_commit_sha":null,"homepage":"https://docs.google.com/document/d/1nvFcmTm7QXj2ZNA8i2QWL9uW8Bo9h6wzLUHOAU_Wu04/edit?tab=t.0","language":"Java","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/mniabedii.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,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null}},"created_at":"2025-06-29T13:20:13.000Z","updated_at":"2025-06-29T13:21:37.000Z","dependencies_parsed_at":"2025-06-29T14:25:45.847Z","dependency_job_id":"525087df-3778-4789-a03e-228b9ea88bf6","html_url":"https://github.com/mniabedii/java-query-language","commit_stats":null,"previous_names":["mniabedii/java-query-language"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/mniabedii/java-query-language","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mniabedii%2Fjava-query-language","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mniabedii%2Fjava-query-language/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mniabedii%2Fjava-query-language/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mniabedii%2Fjava-query-language/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/mniabedii","download_url":"https://codeload.github.com/mniabedii/java-query-language/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mniabedii%2Fjava-query-language/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":263047686,"owners_count":23405280,"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":["database","java","jql","regex","string"],"created_at":"2025-07-01T23:18:20.101Z","updated_at":"2026-04-24T20:03:18.766Z","avatar_url":"https://github.com/mniabedii.png","language":"Java","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Java Query Language\n\nThis project is a **mini relational database engine** built in Java, using string processing and regex. \n\n## Main Features\n- Table creation and deletion\n- Row insertion, update, and deletion\n- Filtering with custom expressions (e.g., `grade \u003e 15`)\n- Support for basic data types: `int`, `str`, `dbl`, `time`\n- Grouping and counting based on field combinations\n- Custom field selection and arithmetic operations in queries\n- Interactive command-line interface\n- Graceful error handling with meaningful messages\n\n**Example Commands**:\n```plaintext\ncreate students[id int, name str, grade dbl, approved int]\nadd students{id=40211343, name='mani'}\nget students(grade \u003e 15.0)\nset students(id=40210000){approved=1}\ndel students(name='mani', grade=18.5)   \n```\n\n##  Full Project Specification\nFor the full project instructions (in Persian), please refer to the link in the _Website_ section of this repository's About panel (top-right).\n##","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmniabedii%2Fjava-query-language","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmniabedii%2Fjava-query-language","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmniabedii%2Fjava-query-language/lists"}