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6 changes: 3 additions & 3 deletions bin/tools/parquetDataSource.js
Original file line number Diff line number Diff line change
Expand Up @@ -3,8 +3,7 @@ import { whereToParquetFilter } from './parquetFilter.js'

/**
* @import { AsyncBuffer, Compressors, FileMetaData, ParquetQueryFilter } from 'hyparquet'
* @import { AsyncDataSource, AsyncRow, SqlPrimitive } from 'squirreling'
* @import { AsyncCells } from 'squirreling/src/types.js'
* @import { AsyncCells, AsyncDataSource, AsyncRow, SqlPrimitive } from 'squirreling'
*/

/**
Expand All @@ -17,7 +16,7 @@ import { whereToParquetFilter } from './parquetFilter.js'
*/
export function parquetDataSource(file, metadata, compressors) {
return {
async *scan(hints) {
async *scan({ hints, signal }) {
metadata ??= await parquetMetadataAsync(file)

// Convert WHERE AST to hyparquet filter format
Expand All @@ -30,6 +29,7 @@ export function parquetDataSource(file, metadata, compressors) {
let groupStart = 0
let remainingLimit = hints?.limit ?? Infinity
for (const rowGroup of metadata.row_groups) {
if (signal?.aborted) break
const rowCount = Number(rowGroup.num_rows)

// Skip row groups by offset if where is fully applied
Expand Down
4 changes: 2 additions & 2 deletions package.json
Original file line number Diff line number Diff line change
Expand Up @@ -59,12 +59,12 @@
"hyparquet": "1.24.0",
"hyparquet-compressors": "1.1.1",
"icebird": "0.3.1",
"squirreling": "0.6.0"
"squirreling": "0.7.8"
},
"devDependencies": {
"@storybook/react-vite": "10.1.11",
"@testing-library/react": "16.3.1",
"@types/node": "25.0.8",
"@types/node": "25.0.9",
"@types/react": "19.2.8",
"@types/react-dom": "19.2.3",
"@vitejs/plugin-react": "5.1.2",
Expand Down