vogievetsky commented on code in PR #14017:
URL: https://github.com/apache/druid/pull/14017#discussion_r1159941285
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web-console/src/utils/sampler.ts:
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@@ -63,6 +63,38 @@ export interface SamplerConfig {
export interface SampleResponse {
data: SampleEntry[];
+ logicalSegmentSchema: { name: string; type: string }[];
+ logicalDimensions: DimensionSpec[];
+ physicalDimensions: DimensionSpec[];
+ numRowsIndexed: number;
+ numRowsRead: number;
+}
+
+export function getHeaderNamesFromSampleResponse(
+ sampleResponse: SampleResponse,
+ ignoreTimeColumn = false,
+) {
+ return filterMap(sampleResponse.logicalSegmentSchema, s =>
+ ignoreTimeColumn && s.name === '__time' ? undefined : s.name,
+ );
+}
+
+export function guessDimensionsFromSampleResponse(sampleResponse:
SampleResponse): DimensionSpec[] {
+ const { logicalDimensions, physicalDimensions, data } = sampleResponse;
+ return logicalDimensions.map(d => {
+ // Boolean column are currently reported as "long" so let's turn them into
"string"
Review Comment:
the reason it is picking string is that if you pick long then it forces the
`true` / `false` in the input to `null` (instead of `1` / `0`)
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