XDL Database Module - File Paths Reference

Absolute Paths for Key Files

Core Module Files

  • /Users/ravindraboddipalli/sources/xdl/xdl-database/Cargo.toml - Dependencies and features
  • /Users/ravindraboddipalli/sources/xdl/xdl-database/README.md - Module documentation
  • /Users/ravindraboddipalli/sources/xdl/xdl-database/src/lib.rs - Main API, XDLDatabase, DatabaseType
  • /Users/ravindraboddipalli/sources/xdl/xdl-database/src/connection.rs - DatabaseConnection dispatcher
  • /Users/ravindraboddipalli/sources/xdl/xdl-database/src/error.rs - Error types
  • /Users/ravindraboddipalli/sources/xdl/xdl-database/src/recordset.rs - Result representation

Driver Files

  • /Users/ravindraboddipalli/sources/xdl/xdl-database/src/drivers/mod.rs - Driver module declarations
  • /Users/ravindraboddipalli/sources/xdl/xdl-database/src/drivers/postgres.rs - PostgreSQL driver
  • /Users/ravindraboddipalli/sources/xdl/xdl-database/src/drivers/mysql.rs - MySQL driver
  • /Users/ravindraboddipalli/sources/xdl/xdl-database/src/drivers/duckdb.rs - DuckDB driver
  • /Users/ravindraboddipalli/sources/xdl/xdl-database/src/drivers/odbc.rs - ODBC driver
  • /Users/ravindraboddipalli/sources/xdl/xdl-database/src/drivers/redis_driver.rs - Redis driver
  • /Users/ravindraboddipalli/sources/xdl/xdl-database/src/drivers/kafka.rs - Kafka driver

SQLite Files (To Be Created)

  • /Users/ravindraboddipalli/sources/xdl/xdl-database/src/drivers/sqlite.rs - SQLite driver (NEW)

Example Files

  • /Users/ravindraboddipalli/sources/xdl/xdl-database/examples/postgresql_example.xdl
  • /Users/ravindraboddipalli/sources/xdl/xdl-database/examples/mysql_example.xdl
  • /Users/ravindraboddipalli/sources/xdl/xdl-database/examples/duckdb_analytics.xdl
  • /Users/ravindraboddipalli/sources/xdl/xdl-database/examples/odbc_sqlserver_example.xdl
  • /Users/ravindraboddipalli/sources/xdl/xdl-database/examples/kafka_streaming_example.xdl

Workspace Root Files

  • /Users/ravindraboddipalli/sources/xdl/Cargo.toml - Workspace configuration
  • /Users/ravindraboddipalli/sources/xdl/Cargo.lock - Dependency lock file

Other Relevant Module Locations

  • /Users/ravindraboddipalli/sources/xdl/xdl-core/src/ - Core types (XdlValue, etc.)
  • /Users/ravindraboddipalli/sources/xdl/xdl-stdlib/src/ - Standard library functions
  • /Users/ravindraboddipalli/sources/xdl/xdl-interpreter/src/ - Interpreter implementation
  • /Users/ravindraboddipalli/sources/xdl/xdl-runtime/src/ - Runtime environment

Key Code Snippets Location Reference

DatabaseType Enum Location

File: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/lib.rs Lines: 46-82 Content: DatabaseType enum and from_connection_string() implementation

DatabaseConnection Enum Location

File: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/connection.rs Lines: 6-28 Content: DatabaseConnection enum with feature-gated variants

Recordset Structure Location

File: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/recordset.rs Lines: 7-21 Content: Recordset and ColumnInfo struct definitions

DuckDB Driver Pattern Reference

File: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/drivers/duckdb.rs Content: Complete synchronous driver implementation (best reference for SQLite)

PostgreSQL Async Pattern Reference

File: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/drivers/postgres.rs Content: Async driver pattern with type conversions

MySQL Connection Pooling Reference

File: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/drivers/mysql.rs Lines: 1-50 (first snippet shown in exploration) Content: Connection pooling pattern

Files Modified During SQLite Implementation

1. Cargo.toml

Path: /Users/ravindraboddipalli/sources/xdl/xdl-database/Cargo.toml Changes:

  • Add rusqlite dependency
  • Add sqlite-support feature flag

2. lib.rs

Path: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/lib.rs Changes:

  • Add SQLite variant to DatabaseType enum
  • Update from_connection_string() to detect SQLite patterns
  • Add tests for SQLite detection

3. connection.rs

Path: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/connection.rs Changes:

  • Add SQLite variant to DatabaseConnection enum
  • Add match arm in new()
  • Add match arms in execute(), execute_command(), close(), is_connected()

4. error.rs

Path: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/error.rs Changes:

  • Add #[cfg(feature = “sqlite-support”)] SQLiteError variant

5. drivers/mod.rs

Path: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/drivers/mod.rs Changes:

  • Add #[cfg(feature = “sqlite-support”)] pub mod sqlite;

6. drivers/sqlite.rs (NEW FILE)

Path: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/drivers/sqlite.rs Content: Complete SQLite driver implementation

Size and Scope Reference

Module Statistics

  • Total Crates in Workspace: 17
  • Database Module Size: ~500 lines of code (all drivers combined)
  • Number of Drivers: 6 (soon to be 7 with SQLite)
  • Total Features: 7+ feature flags
  • Lines per Driver: 50-150 (varies by complexity)

Estimated SQLite Implementation Size

  • New File: ~200-250 lines for complete sqlite.rs
  • Modified Lines: ~20 lines across 4 existing files
  • Total Addition: ~220-270 lines

How to Navigate the Code

For Understanding Database Type Detection

Start at: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/lib.rs lines 58-82

For Understanding How Drivers Are Dispatched

Start at: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/connection.rs lines 30-74

For Understanding Result Handling

Start at: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/recordset.rs lines 97-120

For Implementing a New Driver (Follow Pattern)

Reference: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/drivers/duckdb.rs This is the simplest synchronous driver - ideal template for SQLite

For Understanding Type Conversions

Reference: /Users/ravindraboddipalli/sources/xdl/xdl-database/src/drivers/postgres.rs lines 100-158

Git Information

Repository

  • Location: /Users/ravindraboddipalli/sources/xdl/.git
  • Current Branch: develop
  • Main Branch: master
  • Recent Commits:
    • c10e610: feat: Implement PRO/ENDPRO user-defined procedures
    • 9b09df6: feat: Add array generation functions and database connectivity module
    • 73b36cf: updated documentation

Status (at time of exploration)

  • Modified Files: xdl-parser/src/lexer.rs, xdl-parser/src/parser.rs
  • Untracked: None in core database module