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coerce Arrow BigInt to Number #2164

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coerce Arrow BigInt to Number #2164

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5848e7e
coerce Arrow BigInt to Number
mbostock Sep 9, 2024
7aa6b4d
test BigInt coercion
Fil Sep 9, 2024
db20949
Delete test/output/bigintNormalize.svg
Fil Sep 9, 2024
882ed4a
generate arrow structure on the fly rather than using a file
Fil Sep 9, 2024
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Binary file added test/data/height_frequency.arrow
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58 changes: 58 additions & 0 deletions test/output/bigintNormalize.svg
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17 changes: 17 additions & 0 deletions test/plots/bigint.ts
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import * as Plot from "@observablehq/plot";
import * as d3 from "d3";
import * as Arrow from "apache-arrow";

const integers = d3.range(40).map((int) => ({
big1: BigInt(int),
Expand All @@ -25,3 +26,19 @@ export async function bigintOrdinal() {
export async function bigintStack() {
return Plot.barY(integers, {x: (d, i) => i % 5, y: "big1"}).plot();
}

export async function bigintNormalize() {
const table = await Arrow.tableFromIPC(fetch("data/height_frequency.arrow"));
return Plot.plot({
height: 500,
x: {percent: true, grid: true},
y: {domain: [1.3, 2.21]},
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If you remove the y.domain here, the chart works in preview but crashes in node tests. I don't understand what the difference might be.

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Capture d’écran 2024-09-09 à 19 39 39

This is how the chart looks like in preview. But it crashes in node. Is apache-arrow behaving differently in the browser?

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OK the test is now fixed — I just don't use a file and generate the arrow structure on the fly.

marks: [
Plot.ruleX([0]),
Plot.ruleY(
table,
Plot.normalizeX("sum", {strokeWidth: 2, y: "height", x: "frequency", tip: {format: {y: ".2f"}}})
)
]
});
}