System.DllNotFoundException: Missing System.Data.SQLite.dll Assembly The core issue revolves around a System.DllNotFoundException error occurring when attempting to open an SQLite connection in a C# project that has been ported from Visual C# 2010 Express on Windows 7 to MonoDevelop on Linux. The error message specifically indicates that the System.Data.SQLite.dll assembly cannot be found. This assembly is…
Issue Overview: In-Memory Database Attachment Fails When Main Database Uses Custom VFS When working with SQLite, attaching an in-memory database to a disk-based database that uses a custom Virtual File System (VFS) can lead to unexpected behavior. Specifically, the attachment process fails silently, and the schema of the in-memory database is not accessible from the…
CopySQLiteInteropFiles Target Skipped During Command-Line Builds The core issue revolves around the CopySQLiteInteropFiles MSBuild target not executing during command-line builds using dotnet build, despite functioning correctly within Visual Studio after an update to version 16.10.2. The target is responsible for copying platform-specific SQLite.Interop.dll files to the build output directory, which is critical for resolving runtime…
Issue Overview: SQLite Crash During sqlite3Close() Due to NULL Pointer in functionDestroy() The core issue revolves around a crash occurring in SQLite version 3.22.0 when the sqlite3Close() function is invoked. The crash manifests specifically at the sqlite3LeaveMutexAndCloseZombie+452 address, with a subsequent backtrace pointing to sqlite3Close+640. The root cause appears to be a NULL pointer being…
Understanding SQLite Download Filename Parsing Challenges Issue Overview: Ambiguous Filename Formats and Version Detection Limitations The core issue revolves around automated detection of SQLite package versions and their corresponding download URLs by third-party package managers such as Npackd. SQLite’s build products (e.g., DLLs, amalgamation archives) use a fixed-field naming convention where filenames embed version information…
Issue Overview: SQLite.Interop.dll Not Found in Blazor WebAssembly Project When working with a Blazor WebAssembly project targeting .NET Standard 2.1, a common issue arises where the SQLite.Interop.dll cannot be found during runtime. This results in a System.DllNotFoundException being thrown, specifically indicating that the SQLite.Interop.dll assembly is missing. The error typically occurs when attempting to initialize…
Issue Overview: Linker Error Due to Incorrect Application Subsystem Configuration The core issue encountered when compiling SQLite 3.36.0 with Visual Studio 2019 manifests as a linker error: MSVCRTD.lib(exe_winmain.obj) : error LNK2019: unresolved external symbol _WinMain@16 referenced in function "int __cdecl invoke_main(void)" (?invoke_main@@YAHXZ) This error arises during the linking phase of compilation when the Microsoft Visual…
SQLite Assertion Failure Due to Insufficient Bytecode Registers The core issue revolves around an assertion failure in SQLite, specifically the assertion target>0 && target<=pParse->nMem in the sqlite3ExprCode function. This failure occurs during the execution of a query involving a generated column and a foreign key constraint. The assertion failure is triggered because the code generator…
Database Visibility Issues Across SQLite Management Tools and Applications Core Symptoms and Environmental Context The primary issue involves tables created in SQLiteStudio failing to appear in other applications such as DB Browser for SQLite, Delphi programs, or CLI tools. Key symptoms include: "No such table" errors in applications despite confirmed table creation in SQLiteStudio. Inconsistent…
Understanding Hex String to Number Conversion in SQLite SQLite, being a lightweight and versatile database engine, is often used in scenarios where data manipulation and transformation are required. One such scenario involves converting hexadecimal (hex) strings to their corresponding numeric values. This operation is particularly useful in applications like game development, where hex-based coordinate systems…