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* feat: sql * refactor: use mixin * ts * fix ts * fix query * fix sql type * support ts range query for sql * null sql * use table name in sql * fix no meta info * feat: default query type * fix: sqltype
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| import { FieldType, MutableDataFrame } from '@grafana/data'; | ||
| import { lastValueFrom, Observable, throwError, of } from 'rxjs'; | ||
| import { map, tap, switchMap } from 'rxjs/operators'; | ||
| import { | ||
| FetchResponse, | ||
| } from '@grafana/runtime'; | ||
| import { GreptimeDataTypes } from './types'; | ||
|
|
||
| export const greptimeTypeToGrafana: Record<GreptimeDataTypes, FieldType> = { | ||
| [GreptimeDataTypes.Null]: FieldType.other, | ||
|
|
||
| // Numeric types: | ||
| [GreptimeDataTypes.Boolean]: FieldType.boolean, | ||
| [GreptimeDataTypes.UInt8]: FieldType.number, | ||
| [GreptimeDataTypes.UInt16]: FieldType.number, | ||
| [GreptimeDataTypes.UInt32]: FieldType.number, | ||
| [GreptimeDataTypes.UInt64]: FieldType.number, | ||
| [GreptimeDataTypes.Int8]: FieldType.number, | ||
| [GreptimeDataTypes.Int16]: FieldType.number, | ||
| [GreptimeDataTypes.Int32]: FieldType.number, | ||
| [GreptimeDataTypes.Int64]: FieldType.number, | ||
| [GreptimeDataTypes.Float32]: FieldType.number, | ||
| [GreptimeDataTypes.Float64]: FieldType.number, | ||
|
|
||
| // String types: | ||
| [GreptimeDataTypes.String]: FieldType.string, | ||
| [GreptimeDataTypes.Binary]: FieldType.string, | ||
|
|
||
| // Date & Time types: | ||
| [GreptimeDataTypes.Date]: FieldType.time, | ||
| [GreptimeDataTypes.DateTime]: FieldType.time, | ||
|
|
||
| [GreptimeDataTypes.TimestampSecond]: FieldType.time, | ||
| [GreptimeDataTypes.TimestampMillisecond]: FieldType.time, | ||
| [GreptimeDataTypes.TimestampMicrosecond]: FieldType.time, | ||
| [GreptimeDataTypes.TimestampNanosecond]: FieldType.time, | ||
|
|
||
| [GreptimeDataTypes.List]: FieldType.other, | ||
| }; | ||
|
|
||
| function buildDataFrame(columns, rows) { | ||
| const frame = new MutableDataFrame(); | ||
|
|
||
| // Example: Assuming `sqlResult` is an array of rows | ||
| if (rows.length > 0) { | ||
| // Get column names from the first row | ||
|
|
||
| // Create fields (columns) for the data frame | ||
| columns.forEach((col, index) => { | ||
| frame.addField({ | ||
| name: col.name, | ||
| values: rows.map(row => row[index]), | ||
| type: greptimeTypeToGrafana[col.data_type], | ||
| }); | ||
| }); | ||
| } | ||
|
|
||
| return frame; | ||
| } | ||
|
|
||
| // Utility function to determine field type (number, string, time, etc.) | ||
| function getFieldType(values: any[]) { | ||
| if (typeof values[0] === 'number') { | ||
| return 'number'; | ||
| } else if (values[0] instanceof Date) { | ||
| return 'time'; | ||
| } else { | ||
| return 'string'; | ||
| } | ||
| } | ||
|
|
||
| export function transformSqlResponse(response: Observable<FetchResponse>) { | ||
| return response.pipe(switchMap((raw) => { | ||
| // console.log(raw) | ||
|
|
||
| // const rsp = toDataQueryResponse(raw, queries as DataQuery[]); | ||
| // // Check if any response should subscribe to a live stream | ||
| // if (rsp.data?.length && rsp.data.find((f: DataFrame) => f.meta?.channel)) { | ||
| // return toStreamingDataResponse(rsp, request, this.streamOptionsProvider); | ||
| // } | ||
| return of(raw); | ||
| })).pipe(map(data => { | ||
| // console.log(data) | ||
| return data.data | ||
| })).pipe(map( | ||
| response => { | ||
| // console.log(response) | ||
| const columnSchemas = response.output[0].records.schema.column_schemas; | ||
| const dataRows = response.output[0].records.rows; | ||
|
|
||
| const frame = new MutableDataFrame({ | ||
| refId: 'A', | ||
| fields: columnSchemas.map((columnSchema, idx) => { | ||
| return { | ||
| name: columnSchema.name, | ||
| type: greptimeTypeToGrafana[columnSchema.data_type], | ||
| values: dataRows.map((row) => row[idx]), | ||
| }; | ||
| }), | ||
| }); | ||
| // const frame = buildDataFrame(columnSchemas, dataRows) | ||
| // const result = { | ||
| // data: { | ||
| // ...frame.toJSON(), | ||
| // refId: 'A' | ||
| // }, | ||
| // state: 'Done' | ||
| // } | ||
| // console.log(result, 'result') | ||
| return frame | ||
| } | ||
| )) | ||
| } | ||
|
|
||
| export function addTsCondition (sql, column, start, end) { | ||
| const upperSql = sql.toUpperCase(); | ||
| const whereIndex = upperSql.indexOf('WHERE') | ||
| if (whereIndex > -1) { | ||
| return sql.slice(0, whereIndex + 5) + ` ${column} >= '${start}' and ${column} < '${end}' and ` + sql.slice(whereIndex + 5) | ||
| } else { | ||
| const whereIndex = findWhereClausePosition(sql); | ||
| return sql.slice(0, whereIndex) + ` where ${column} >= '${start}' and ${column} < '${end}' ` + sql.slice(whereIndex) | ||
| } | ||
| } | ||
|
|
||
| function findWhereClausePosition(sql) { | ||
| // Normalize case for easier comparison | ||
| const upperSql = sql.toUpperCase(); | ||
|
|
||
| // Find the first keyword after FROM where WHERE should go before | ||
| const groupByIndex = upperSql.indexOf('GROUP BY'); | ||
| const orderByIndex = upperSql.indexOf('ORDER BY'); | ||
| const limitIndex = upperSql.indexOf('LIMIT'); | ||
|
|
||
| // Find the position to insert WHERE clause: | ||
| // Insert before GROUP BY, ORDER BY, or LIMIT, whichever comes first | ||
| let insertPosition = upperSql.length; // Default to end of the query if no keywords | ||
|
|
||
| if (groupByIndex !== -1 && groupByIndex < insertPosition) { | ||
| insertPosition = groupByIndex; | ||
| } | ||
|
|
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| if (orderByIndex !== -1 && orderByIndex < insertPosition) { | ||
| insertPosition = orderByIndex; | ||
| } | ||
|
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| if (limitIndex !== -1 && limitIndex < insertPosition) { | ||
| insertPosition = limitIndex; | ||
| } | ||
|
|
||
| return insertPosition; | ||
| } |
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