Issue Overview: SQLite Interop DLLs Not Included in .NET Publish Output When working with SQLite in a .NET project, particularly when using the System.Data.SQLite.Core package, developers often rely on interop DLLs (SQLite.Interop.dll) to facilitate communication between managed .NET code and the native SQLite library. These interop DLLs are platform-specific and typically reside in separate x86…
Issue Overview: xFilter Callback Invocation During Changeset Application The core issue revolves around the behavior of the xFilter callback when applying changesets using the sqlite3changeset_apply function in SQLite. Specifically, the concern is whether the xFilter callback is invoked once for every table in the changeset or only during the application of changes. This distinction is…
Issue Overview: Build Failure Due to Invalid Configure Flags and Autosetup Misconfiguration The core issue revolves around a build failure of SQLite version 3.48.0 on Slackware64-14.2, specifically when using a long-standing build script that previously worked without issues. The failure is triggered by the presence of invalid or outdated configure flags in the build script,…
Issue Overview: e_delete Test Failures in SQLite 3.48.0 The core issue revolves around the failure of the e_delete test suite in SQLite version 3.48.0, specifically when running on Gentoo Linux. The test failures manifest as syntax errors related to the LIMIT and ORDER BY clauses in DELETE statements. These errors do not occur in SQLite…
Issue Overview: SQLite’s Use of rdtsc on Incompatible i486 CPUs The core issue revolves around SQLite’s use of the rdtsc (Read Time-Stamp Counter) instruction on i486 CPUs, which do not support this instruction. The rdtsc instruction is an x86 assembly instruction used to read the CPU’s time-stamp counter, a high-resolution timer that increments with each…
Replacing SQLite3 Amalgamation Files in System.Data.SQLite The process of replacing SQLite3 amalgamation files in System.Data.SQLite to incorporate the latest version of SQLite3 involves several technical considerations. The amalgamation files, located in the ..\SQLite.Interop\src\core directory, are crucial as they contain the core SQLite3 library. Replacing these files allows developers to leverage the latest features, bug fixes,…
Issue Overview: sqlfcmp Extension Fails to Initialize Due to Function Name Conflict The core issue revolves around the failure of the sqlfcmp extension to load in SQLite version 3.48.0. The extension, which provides utility functions for Unit in the Last Place (ULP) calculations, builds successfully but fails during initialization when attempting to load it via…
Issue Overview: currentScript.tagName Undefined in SQLite-WASM 3.48.0 Build4 The core issue revolves around a fatal error encountered when initializing SQLite-WASM 3.48.0 Build4 in a specific environment. The error message, Uncaught (in promise) TypeError: Cannot read properties of undefined (reading ‘toUpperCase’), occurs in the sqlite3-worker1-bundler-friendly.js file at line 6. This line attempts to access the tagName…
Understanding PRAGMA table_info and Schema Context in SQLite The core issue revolves around the use of PRAGMA table_info in SQLite when accessed via C++ in an Xcode environment. The user encounters two primary problems: a BAD ACCESS error when attempting to retrieve table information and the absence of returned values despite a successful operation status….
Issue Overview: Misalignment Between Cache Line Description and Implementation The core issue revolves around a discrepancy between the documented cache line structure in SQLite’s pcache1.c file and the actual implementation in the code. The cache line description in the source code comments suggests a specific memory layout for the components involved in page caching: database…