{SCAFFOLD}

omnidb/main.rs

@@ -0,0 +1,156 @@
+use std::collections::HashMap;
+use serde::{Serialize, Deserialize};
+use serde_json::Value;
+
+// Define a type alias for NoSQL-like flexible JSON data
+type Document = Value;
+
+// A Record struct for SQL-like tables with typed data
+#[derive(Serialize, Deserialize, Clone, Debug)]
+pub struct Record {
+    id: u32,
+    data: Document, // Can hold any type of data, stored as JSON
+}
+
+// A table structure that holds records for SQL-like storage
+pub struct Table {
+    pub name: String,
+    pub columns: Vec<String>,
+    pub records: HashMap<u32, Record>,
+}
+
+impl Table {
+    // Create a new table with the given name and columns
+    pub fn new(name: &str, columns: Vec<String>) -> Self {
+        Self {
+            name: name.to_string(),
+            columns,
+            records: HashMap::new(),
+        }
+    }
+
+    // Insert a record into the table
+    pub fn insert(&mut self, id: u32, data: Document) {
+        let record = Record { id, data };
+        self.records.insert(id, record);
+    }
+
+    // Read a record by ID
+    pub fn read(&self, id: u32) -> Option<&Record> {
+        self.records.get(&id)
+    }
+
+    // Update a record by ID
+    pub fn update(&mut self, id: u32, data: Document) -> Result<(), String> {
+        if let Some(record) = self.records.get_mut(&id) {
+            record.data = data;
+            Ok(())
+        } else {
+            Err(format!("Record with id {} not found", id))
+        }
+    }
+
+    // Delete a record by ID
+    pub fn delete(&mut self, id: u32) -> bool {
+        self.records.remove(&id).is_some()
+    }
+}
+
+// Database struct to hold tables (SQL-like) and documents (NoSQL-like)
+pub struct Database {
+    pub tables: HashMap<String, Table>,
+    pub documents: HashMap<String, Document>, // NoSQL-like document store
+}
+
+impl Database {
+    // Create a new empty database
+    pub fn new() -> Self {
+        Self {
+            tables: HashMap::new(),
+            documents: HashMap::new(),
+        }
+    }
+
+    // Create a new table in the database
+    pub fn create_table(&mut self, name: &str, columns: Vec<String>) {
+        let table = Table::new(name, columns);
+        self.tables.insert(name.to_string(), table);
+    }
+
+    // Insert a record into a table
+    pub fn insert_into_table(&mut self, table_name: &str, id: u32, data: Document) -> Result<(), String> {
+        if let Some(table) = self.tables.get_mut(table_name) {
+            table.insert(id, data);
+            Ok(())
+        } else {
+            Err(format!("Table {} not found", table_name))
+        }
+    }
+
+    // Create a new document in the NoSQL-like document store
+    pub fn create_document(&mut self, name: &str, doc: Document) {
+        self.documents.insert(name.to_string(), doc);
+    }
+
+    // Read a document from the NoSQL-like document store
+    pub fn read_document(&self, name: &str) -> Option<&Document> {
+        self.documents.get(name)
+    }
+
+    // Update a document in the NoSQL-like document store
+    pub fn update_document(&mut self, name: &str, doc: Document) -> Result<(), String> {
+        if self.documents.contains_key(name) {
+            self.documents.insert(name.to_string(), doc);
+            Ok(())
+        } else {
+            Err(format!("Document {} not found", name))
+        }
+    }
+
+    // Delete a document from the NoSQL-like document store
+    pub fn delete_document(&mut self, name: &str) -> bool {
+        self.documents.remove(name).is_some()
+    }
+}
+
+fn main() {
+    // Create a new database instance
+    let mut db = Database::new();
+
+    // Create a SQL-like table
+    db.create_table("users", vec!["id".to_string(), "name".to_string(), "email".to_string()]);
+
+    // Insert a record into the users table (SQL-like)
+    let user_data = serde_json::json!({
+        "name": "John Doe",
+        "email": "[email protected]"
+    });
+    db.insert_into_table("users", 1, user_data).expect("Failed to insert record");
+
+    // Read the record
+    if let Some(record) = db.tables["users"].read(1) {
+        println!("User: {:?}", record);
+    }
+
+    // Update the record
+    let updated_user_data = serde_json::json!({
+        "name": "John Smith",
+        "email": "[email protected]"
+    });
+    db.tables.get_mut("users").unwrap().update(1, updated_user_data).expect("Failed to update record");
+
+    // Delete the record
+    db.tables.get_mut("users").unwrap().delete(1);
+
+    // Insert a NoSQL-like document
+    let doc_data = serde_json::json!({
+        "title": "NoSQL Example",
+        "content": "This is a NoSQL document."
+    });
+    db.create_document("doc1", doc_data);
+
+    // Read the NoSQL document
+    if let Some(document) = db.read_document("doc1") {
+        println!("Document: {:?}", document);
+    }
+}

omnidb/types.rs

@@ -0,0 +1,22 @@
+use chrono::NaiveDateTime;
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+use std::path::PathBuf;
+
+// Define an enum for all supported data types in OmniDb
+#[derive(Serialize, Deserialize, Clone, Debug)]
+pub enum DataType {
+    Integer(i64),             // Supports i32, i64 types
+    UnsignedInteger(u64),      // Supports u32, u64 types
+    Float(f64),                // Supports f32, f64 types
+    Boolean(bool),             // Boolean type
+    Text(String),              // Textual data
+    Json(Value),               // Flexible JSON-like data
+    Binary(Vec<u8>),           // Binary or blob data
+    Vector(Vec<DataType>),     // Vector of any DataType
+    Timestamp(NaiveDateTime),  // Date and time values
+    File(PathBuf),             // File paths for file storage
+    Null,
+    Undefined,
+    None,
+}