Struct Catalog 

pub struct Catalog {
    pub name: String,
    pub version: u64,
    pub entries: HashMap<String, CatalogEntry>,
    pub auto_increment: HashMap<String, u64>,
}

The Schema Catalog

Fields

name: String

Database name

version: u64

Version number

entries: HashMap<String, CatalogEntry>

All catalog entries

auto_increment: HashMap<String, u64>

Next auto-increment ID for each table

Implementations

impl Catalog

pub fn new(name: impl Into<String>) -> Self

pub fn create_table( &mut self, schema: SochSchema, root_id: u64, ) -> Result<(), String>

Create a new table

pub fn drop_table(&mut self, name: &str) -> Result<CatalogEntry, String>

Drop a table

pub fn get_table(&self, name: &str) -> Option<&CatalogEntry>

Get a table schema

pub fn get_table_mut(&mut self, name: &str) -> Option<&mut CatalogEntry>

Get a mutable table entry

pub fn list_tables(&self) -> Vec<&str>

List all tables

pub fn create_index( &mut self, name: impl Into<String>, table_name: &str, fields: Vec<String>, unique: bool, root_id: u64, ) -> Result<(), String>

Create an index

pub fn drop_index(&mut self, name: &str) -> Result<CatalogEntry, String>

Drop an index

pub fn get_indexes(&self, table_name: &str) -> Vec<&CatalogEntry>

Get indexes for a table

pub fn next_auto_increment(&mut self, table_name: &str) -> u64

Get next auto-increment value

pub fn update_row_count(&mut self, table_name: &str, count: u64)

Update row count for a table

pub fn to_bytes(&self) -> Result<Vec<u8>, String>

Serialize catalog to bytes

pub fn from_bytes(data: &[u8]) -> Result<Self, String>

Deserialize catalog from bytes

pub fn to_toon(&self) -> String

Format catalog as TOON

pub fn create_operation( &mut self, name: impl Into<String>, input_schema: SochSchema, output_schema: SochSchema, implementation: OperationImpl, description: impl Into<String>, ) -> Result<(), String>

Create an operation (Task 7: MCP Integration)

pub fn get_operation(&self, name: &str) -> Option<&CatalogEntry>

Get an operation

pub fn list_operations(&self) -> Vec<&CatalogEntry>

List all operations (for MCP tool discovery)

pub fn generate_mcp_tools(&self) -> Vec<McpToolDescriptor>

Generate all MCP tool descriptors

Trait Implementations

impl Clone for Catalog

fn clone(&self) -> Catalog

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Catalog

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Catalog

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Catalog

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.