Add changes for compatibility with WASM components and collocated UDF servers#121

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Commits on Jun 1, 2026

Add WASM compatibility for componentize-py builds

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Add WIT interface definition for WASM UDF components

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Add type annotations to WASM numpy stub and UDF handler

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Add code generation for UDF handler function registration

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Replace top-level optional imports with lazy import helpers

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Fix Python 3.10+ union syntax in udf_handler type annotation

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feat: add call_function_accel C function to accel.c

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Add WASM build script for wasm32-wasip2 target

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Remove WASM numpy_stub, now unnecessary with lazy imports

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Add collocated Python UDF server with pre-fork process mode

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Fix @@register propagation in collocated server process mode

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Fix broken pipe in collocated UDF server under concurrent load

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Guard np.dtype check in normalize_dtype for environments without numpy

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Guard WASI-incompatible POSIX APIs in accel.c with #ifndef __wasi__

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Call setup_logging() in FunctionHandler.initialize() for WASM handler

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Add WASI stubs for mmap_read/mmap_write/recv_exact and fix accel logging

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Address PR #121 review comments: memory safety, correctness, hardening

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Fix recv_exact protocol desync and unchecked PyObject_Length returns

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Fix _iquery DataFrame conversion for non-tuple results_type

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Fix MYSQL_TYPE_NULL data pointer advancement in call_function_rowdat_1

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Fix missing PyErr_Occurred checks in call_function_accel

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Add decimal, datetime, date, and time type support across all UDF paths

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Lazy-load IPython in singlestoredb.utils.events

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Fix refcount leak, unaligned reads, and YEAR type mismatch in accel.c

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Enable VECTOR type with element type validation in dtypes

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Add JSON wire format type conversions for UDF data types

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Restore socket timeout after partial-read recovery in _recv_exact_py

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Rename collocated UDF package to plugin

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Update docs and plugin/ terminology after collocated→plugin rename

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Add missing -MYSQL_TYPE_BLOB case in numpy sizing pass

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Add NULL-type bounds checks, fix rowdat_1 null handling, and expand test coverage

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Consolidate duplicated rowdat_1 type dispatch logic in accel.c

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Remove redundant under2camel in ShowAccessor._iquery

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Fix JSON mask inversion, add call_function_accel test coverage, and clean up tests

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Address PR #121 review comments: refcount leaks, type shadowing, protocol hardening

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Define PY_SSIZE_T_CLEAN before Python.h include

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Fix UDF discovery to not require Plugin import from wasm module

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Fix row_id type to int64_t to match signed rowdat_1 wire format

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Fix decimal/datetime numpy remap in create_numpy_array

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Fix handshake error paths leaking received file descriptors

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Pass plugin module directly to FunctionRegistry.initialize()

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Add vector/columnar UDF dispatch to plugin call_function()

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Add pre-release tag builds with GitHub Release assets

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Fix pipefail flag order and add handshake protocol tests

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Guard Unix-only headers and functions against _WIN32

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Add @@delete control signal to plugin server

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Add plugin server integration tests and fix .gitignore test file scope

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Fix four correctness and robustness issues

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Document pytest plugin, plugin UDF server CLI, and missing extras

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