reifydb-sdk 0.4.13

SDK for building ReifyDB operators, procedures, transforms and more
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29

// SPDX-License-Identifier: Apache-2.0
// Copyright (c) 2025 ReifyDB

use reifydb_abi::context::context::ContextFFI;

use crate::operator::builder::ColumnsBuilder;

/// Context passed to `FFITransform::transform`. Pinned to the call frame.
pub struct FFITransformContext {
	pub(crate) ctx: *mut ContextFFI,
}

impl FFITransformContext {
	/// # Safety
	/// `ctx` must be non-null and valid for the duration of the FFI call.
	pub fn new(ctx: *mut ContextFFI) -> Self {
		assert!(!ctx.is_null(), "ContextFFI pointer must not be null");
		Self {
			ctx,
		}
	}

	/// Acquire a `ColumnsBuilder` for emitting output columns directly into
	/// host-pool-owned buffers. The builder borrows this context for the
	/// duration of the FFI call.
	pub fn builder(&mut self) -> ColumnsBuilder<'_> {
		ColumnsBuilder::from_raw_ctx(self.ctx)
	}
}