{"id":31888854,"url":"https://github.com/ikauedev/query-builder","last_synced_at":"2025-10-13T06:20:40.605Z","repository":{"id":279070900,"uuid":"937638918","full_name":"IKauedev/query-builder","owner":"IKauedev","description":"Query Builder is a powerful tool for building SQL queries programmatically. 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Ele permite criar consultas complexas de maneira simples e intuitiva, evitando erros comuns de sintaxe e facilitando a manutenção do código.\n\n## Funcionalidades\n\n- Construção de consultas SQL SELECT, INSERT, UPDATE e DELETE.\n- Suporte a cláusulas WHERE, JOIN, ORDER BY, GROUP BY, HAVING, etc.\n- Integração com diferentes bancos de dados.\n- API fluente para construção de consultas.\n\n## Requisitos\n\n- Java 8 ou superior.\n- Biblioteca JDBC para o banco de dados que você deseja utilizar.\n\n## Instalação\n\n1. Clone o repositório para o seu ambiente local:\n    ```bash\n    git clone https://github.com/seu-usuario/query-builder.git\n    ```\n2. Adicione o projeto ao seu ambiente de desenvolvimento Java.\n\n## Utilização\n\n### Exemplo de Uso\n\nAbaixo está um exemplo de como utilizar o Query Builder para construir uma consulta SQL em Java:\n\n```java\nimport com.querybuilder.builder.QueryBuilder;\nimport com.querybuilder.Enum.Operator;\n\npublic class Main {\n    public static void main(String[] args) {\n        QueryBuilder qb = new QueryBuilder(\"users\");\n\n        String query = qb.select(\"name\", \"age\")\n                         .where(\"age\", Operator.GREATER_THAN, 18)\n                         .orderBy(\"name\", true)\n                         .build();\n\n        System.out.println(query);\n        // Saída: SELECT name, age FROM users WHERE age \u003e 18 ORDER BY name ASC;\n    }\n}\n```\n\n### Conectando ao Banco de Dados\n\nPara executar a consulta construída, você precisará se conectar ao banco de dados usando JDBC. Veja um exemplo de como fazer isso:\n\n```java\nimport java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.ResultSet;\nimport java.sql.Statement;\n\npublic class DatabaseExample {\n    public static void main(String[] args) {\n        String url = \"jdbc:mysql://localhost:3306/seu_banco_de_dados\";\n        String user = \"seu_usuario\";\n        String password = \"sua_senha\";\n\n        try (Connection conn = DriverManager.getConnection(url, user, password);\n             Statement stmt = conn.createStatement()) {\n\n            QueryBuilder qb = new QueryBuilder(\"users\");\n            String query = qb.select(\"name\", \"age\")\n                             .where(\"age\", Operator.GREATER_THAN, 18)\n                             .orderBy(\"name\", true)\n                             .build();\n\n            ResultSet rs = stmt.executeQuery(query);\n\n            while (rs.next()) {\n                System.out.println(\"Name: \" + rs.getString(\"name\") + \", Age: \" + rs.getInt(\"age\"));\n            }\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n}\n```\n\n### Inserindo Dados\n\nPara inserir dados em uma tabela, você pode usar o método `insertInto` e `set`:\n\n```java\nimport com.querybuilder.builder.QueryBuilder;\n\npublic class InsertExample {\n    public static void main(String[] args) {\n        QueryBuilder qb = new QueryBuilder(\"users\");\n\n        String query = qb.insertInto(\"users\")\n                         .set(\"name\", \"John Doe\")\n                         .set(\"age\", 30)\n                         .build();\n\n        System.out.println(query);\n        // Saída: INSERT INTO users (name, age) VALUES (?, ?);\n    }\n}\n```\n\n### Atualizando Dados\n\nPara atualizar dados em uma tabela, você pode usar o método `update`:\n\n```java\nimport com.querybuilder.builder.QueryBuilder;\nimport com.querybuilder.Enum.Operator;\n\npublic class UpdateExample {\n    public static void main(String[] args) {\n        QueryBuilder qb = new QueryBuilder(\"users\");\n\n        String query = qb.update(\"name\", \"John Doe\")\n                         .where(\"id\", Operator.EQUALS, 1)\n                         .build();\n\n        System.out.println(query);\n        // Saída: UPDATE users SET name = ? WHERE id = ?;\n    }\n}\n```\n\n### Deletando Dados\n\nPara deletar dados de uma tabela, você pode usar o método `delete`:\n\n```java\nimport com.querybuilder.builder.QueryBuilder;\nimport com.querybuilder.Enum.Operator;\n\npublic class DeleteExample {\n    public static void main(String[] args) {\n        QueryBuilder qb = new QueryBuilder(\"users\");\n\n        String query = qb.delete()\n                         .where(\"id\", Operator.EQUALS, 1)\n                         .build();\n\n        System.out.println(query);\n        // Saída: DELETE FROM users WHERE id = ?;\n    }\n}\n```\n\n## Contribuição\n\nSe você deseja contribuir com o projeto, por favor, siga os passos abaixo:\n\n1. Faça um fork do repositório.\n2. Crie uma branch para sua feature (`git checkout -b feature/nova-feature`).\n3. Commit suas mudanças (`git commit -am 'Adiciona nova feature'`).\n4. Faça push para a branch (`git push origin feature/nova-feature`).\n5. Crie um Pull Request.\n\n## Licença\n\nEste projeto está licenciado sob a licença MIT. Veja o arquivo [LICENSE](LICENSE) para mais detalhes.","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fikauedev%2Fquery-builder","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fikauedev%2Fquery-builder","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fikauedev%2Fquery-builder/lists"}