reifydb_engine/bulk_insert/
coerce.rs

1// SPDX-License-Identifier: Apache-2.0
2// Copyright (c) 2025 ReifyDB
3
4//! Column coercion for bulk inserts.
5
6use reifydb_core::{
7	interface::catalog::column::ColumnDef,
8	value::column::{columns::Columns, data::ColumnData},
9};
10use reifydb_function::registry::Functions;
11use reifydb_runtime::clock::Clock;
12use reifydb_type::{fragment::Fragment, params::Params, value::identity::IdentityId};
13
14use crate::{
15	Result,
16	expression::{cast::cast_column_data, context::EvalContext},
17	vm::stack::SymbolTable,
18};
19
20/// Coerce each column's data to the target type in batch.
21pub(super) fn coerce_columns(
22	column_data: &[ColumnData],
23	columns: &[ColumnDef],
24	num_rows: usize,
25) -> Result<Vec<ColumnData>> {
26	let ctx = EvalContext {
27		target: None,
28		columns: Columns::empty(),
29		row_count: num_rows,
30		take: None,
31		params: &Params::None,
32		symbol_table: &SymbolTable::new(),
33		is_aggregate_context: false,
34		functions: &Functions::empty(),
35		clock: &Clock::default(),
36		arena: None,
37		identity: IdentityId::root(),
38	};
39
40	let mut coerced_columns: Vec<ColumnData> = Vec::with_capacity(columns.len());
41
42	for (col_idx, col) in columns.iter().enumerate() {
43		let target = col.constraint.get_type();
44		// For Option(T) columns, cast to the inner type T; None values pass through unchanged
45		let cast_target = target.inner_type().clone();
46		let source_data = &column_data[col_idx];
47
48		let coerced = cast_column_data(&ctx, source_data, cast_target, || Fragment::internal(&col.name))?;
49		coerced_columns.push(coerced);
50	}
51
52	Ok(coerced_columns)
53}
reifydb_engine/bulk_insert/coerce.rs

reifydb_engine/bulk_insert/
coerce.rs
