Resolving Collisions Between SQLITE_CREATE_INDEX/CREATE_TABLE and SQLITE_DENY/IGNORE Constants in Authorization Callbacks

Resolving Collisions Between SQLITE_CREATE_INDEX/CREATE_TABLE and SQLITE_DENY/IGNORE Constants in Authorization Callbacks

Issue Overview: Missing SQLITE_CREATE_TABLE/INDEX Authorization Events Due to Constant Overlap When implementing an authorization callback using SQLite’s sqlite3_set_authorizer() mechanism through Python’s sqlite3 module, developers may encounter situations where expected authorization events for table and index creation operations fail to trigger. This manifests specifically as SQLITE_CREATE_TABLE (action code 2) and SQLITE_CREATE_INDEX (action code 1) not appearing…

SQLite Version Support and Maintenance Policies

SQLite Version Support and Maintenance Policies

SQLite Version Support and Maintenance Overview SQLite, a widely-used, lightweight, and serverless database engine, follows a unique versioning and maintenance policy that can sometimes be unclear to users. The core of the issue revolves around understanding which versions of SQLite are actively supported and maintained by the SQLite development team. Unlike some other software projects,…

Incorrect Pointer Handling and Output Parameter Behavior in SQLite Checkpoint Functions

Incorrect Pointer Handling and Output Parameter Behavior in SQLite Checkpoint Functions

Issue Overview: Pointer Nullification vs. Value Assignment in sqlite3Checkpoint The core issue revolves around the behavior of the sqlite3Checkpoint function in SQLite, specifically how output parameters pnLog and pnCkpt are managed during the checkpointing process. The sqlite3Checkpoint function is responsible for executing Write-Ahead Logging (WAL) checkpoints, which synchronize data between the WAL file and the…

Resolving SQLITE_CORRUPT Errors in Minecraft Server Plugins Using SQLite

Resolving SQLITE_CORRUPT Errors in Minecraft Server Plugins Using SQLite

Issue Overview: SQLITE_CORRUPT Database Errors in CoreProtect Plugin Logs A Minecraft server administrator encounters repeated SQLITE_CORRUPT errors in the server console, originating from the CoreProtect plugin. The error indicates that the SQLite database disk image is malformed, causing the plugin to fail during write operations such as entity kill logging. The stack trace points to…

Unexpected Behavior with SQLite Memory Databases and Transactions

Unexpected Behavior with SQLite Memory Databases and Transactions

Issue Overview: Memory Database Transactions and Table Visibility When working with SQLite, particularly with in-memory databases (:memory:), users may encounter unexpected behavior related to transaction isolation and table visibility. Specifically, the issue arises when multiple transactions are opened concurrently, and the second transaction cannot see a table created outside the transaction. This behavior is inconsistent…

Efficiently Binding Multi-Chunk Blobs and Text in SQLite Without Unnecessary Memory Copies

Efficiently Binding Multi-Chunk Blobs and Text in SQLite Without Unnecessary Memory Copies

Scatter/Gather Binding for Multi-Chunk Blobs and Text in SQLite Issue Overview The core issue revolves around the inefficiency of binding large multi-chunk blob and text values in SQLite. Currently, SQLite requires that these values be contiguous in memory before they can be bound to a prepared statement. This necessitates allocating a large array and performing…

Inconsistent Rounding Behavior in SQLite Due to Floating-Point Precision and Compilation Differences

Inconsistent Rounding Behavior in SQLite Due to Floating-Point Precision and Compilation Differences

Understanding the Rounding Discrepancies in SQLite The core issue revolves around the inconsistent behavior of the ROUND() function in SQLite, where certain floating-point numbers are not rounded as expected. This problem manifests in specific scenarios, particularly when dealing with numbers like 146.3599 or 10.555, where the rounding results deviate from the expected output. For example,…

SQLite Wasm OPFS Compatibility Issues in Safari and Firefox

SQLite Wasm OPFS Compatibility Issues in Safari and Firefox

Issue Overview: SQLite Wasm OPFS Compatibility in Safari and Firefox The core issue revolves around the compatibility of SQLite Wasm with the Origin-Private File System (OPFS) in Safari and Firefox browsers. SQLite Wasm is a WebAssembly (Wasm) build of SQLite that allows running SQLite directly in the browser. OPFS is a browser API that provides…

SQLite Parameter Case Sensitivity and Backward Compatibility Issues in v1.0.118

SQLite Parameter Case Sensitivity and Backward Compatibility Issues in v1.0.118

Issue Overview: SQLite Parameter Case Sensitivity and Backward Compatibility The core issue revolves around an error message, "Insufficient parameters supplied to the command," which occurs when upgrading from SQLite version 1.0.117 to 1.0.118 in a VB.NET application. The application uses the System.Data.SQLite.Core.NetStandard library to interact with a SQLite database. The error arises during an INSERT…

SQLite 3.42.0 Regression in Recovering Truncated Database Files with Partial sqlite_master Corruption

SQLite 3.42.0 Regression in Recovering Truncated Database Files with Partial sqlite_master Corruption

Database Recovery Failure Due to Partial sqlite_master Page Corruption in SQLite 3.42.0 Issue Overview: Truncated Database File Recovery Behavior Change Between SQLite 3.41.2 and 3.42.0 A critical regression was identified in SQLite version 3.42.0 involving recovery of partially corrupted database files, specifically when truncation damages the sqlite_master table stored on page 14 of the sample…