beenhead commented on code in PR #19547: URL: https://github.com/apache/druid/pull/19547#discussion_r3394726676
########## web-console/src/helpers/supervisor-conversion.ts: ########## @@ -0,0 +1,396 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import { C, F, L, SqlExpression, SqlQuery } from 'druid-query-toolkit'; + +interface MetricSpec { + type: string; + name?: string; + fieldName?: string; + maxStringBytes?: number; + size?: number; + lgK?: number; + tgtHllType?: string; + k?: number; +} + +function extraArgs(...args: [any, any][]): string { + const filtered = args.filter( + ([value, defaultValue]) => value !== undefined && value !== defaultValue, + ); + if (filtered.length === 0) return ''; + return ( + ', ' + filtered.map(([value]) => (typeof value === 'string' ? `'${value}'` : value)).join(', ') + ); +} + +function metricSpecToSqlExpression(metricSpec: MetricSpec): SqlExpression | undefined { + if (metricSpec.type === 'count') { + return SqlExpression.parse('COUNT(*)'); + } + + if (!metricSpec.fieldName) return undefined; + const column = C(metricSpec.fieldName); + + switch (metricSpec.type) { + case 'longSum': + case 'floatSum': + case 'doubleSum': + return F('SUM', column); + + case 'longMin': + case 'floatMin': + case 'doubleMin': + return F('MIN', column); + + case 'longMax': + case 'floatMax': + case 'doubleMax': + return F('MAX', column); + + case 'doubleFirst': + case 'floatFirst': + case 'longFirst': + return F('EARLIEST', column); + + case 'stringFirst': + return F('EARLIEST', column, L(metricSpec.maxStringBytes || 128)); + + case 'doubleLast': + case 'floatLast': + case 'longLast': + return F('LATEST', column); + + case 'stringLast': + return F('LATEST', column, L(metricSpec.maxStringBytes || 128)); + + case 'thetaSketch': + return SqlExpression.parse( + `APPROX_COUNT_DISTINCT_DS_THETA(${column}${extraArgs([metricSpec.size, 16384])})`, + ); + + case 'HLLSketchBuild': + case 'HLLSketchMerge': + return SqlExpression.parse( + `APPROX_COUNT_DISTINCT_DS_HLL(${column}${extraArgs( + [metricSpec.lgK, 12], + [metricSpec.tgtHllType, 'HLL_4'], + )})`, + ); + + case 'quantilesDoublesSketch': + return SqlExpression.parse(`DS_QUANTILES_SKETCH(${column}${extraArgs([metricSpec.k, 128])})`); + + case 'hyperUnique': + return F('APPROX_COUNT_DISTINCT_BUILTIN', column); + + default: + // Unsupported: tDigestSketch, momentSketch, fixedBucketsHistogram + return undefined; + } +} + +export interface SupervisorSpec { Review Comment: Done. `convertSupervisorToSql` now takes `IngestionSpec` (a kafka/kinesis supervisor already fits it), and the dialog uses `IngestionSpec` too. The bespoke `SupervisorSpec` interface is deleted. The only supervisor-specific work left is swapping the streaming `ioConfig` for a file `inputSource/inputFormat` before handing off to `convertSpecToSql`. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
