7eca7c0bb9
* feat: update generated client to include schema-management APIs * feat: implement interfaces to decode flags and CSV * feat: implement decoders for different measurement schema column formats * feat: extend bucket CLI commands to support schema type property * feat: add CLI commands to manage measurement schema * test: add unit tests for bucket schema create, update and list commands
87 lines
2.0 KiB
Go
87 lines
2.0 KiB
Go
package bucket_schema
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import (
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"fmt"
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"io"
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"path/filepath"
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"strconv"
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"strings"
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"github.com/influxdata/influx-cli/v2/internal/api"
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)
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// ColumnsFormat is a type which defines the supported formats
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//
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type ColumnsFormat int
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const (
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ColumnsFormatAuto ColumnsFormat = iota
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ColumnsFormatCSV
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ColumnsFormatNDJson
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ColumnsFormatJson
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)
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func (f *ColumnsFormat) Set(v string) error {
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switch v {
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case "auto":
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*f = ColumnsFormatAuto
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case "csv":
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*f = ColumnsFormatCSV
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case "ndjson":
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*f = ColumnsFormatNDJson
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case "json":
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*f = ColumnsFormatJson
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default:
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return fmt.Errorf("invalid columns-format: %s, expected [csv, ndjson, json, auto]", v)
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}
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return nil
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}
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func (f ColumnsFormat) String() string {
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switch f {
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case ColumnsFormatAuto:
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return "auto"
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case ColumnsFormatCSV:
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return "csv"
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case ColumnsFormatNDJson:
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return "ndjson"
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case ColumnsFormatJson:
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return "json"
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default:
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return "schema.Format(" + strconv.FormatInt(int64(f), 10) + ")"
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}
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}
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// DecoderFn uses f and path to return a function capable of decoding
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// measurement schema columns from a given io.Reader. If no combination
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// of decoder exists for f and path, DecoderFn returns an error.
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func (f ColumnsFormat) DecoderFn(path string) (ColumnsDecoderFn, error) {
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ff := f
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if ff == ColumnsFormatAuto {
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ext := filepath.Ext(path)
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switch {
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case strings.EqualFold(ext, ".csv"):
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ff = ColumnsFormatCSV
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case strings.EqualFold(ext, ".json"):
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ff = ColumnsFormatJson
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case strings.EqualFold(ext, ".ndjson") || strings.EqualFold(ext, ".jsonl"):
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ff = ColumnsFormatNDJson
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}
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}
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switch ff {
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case ColumnsFormatCSV:
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return decodeCSV, nil
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case ColumnsFormatNDJson:
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return decodeNDJson, nil
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case ColumnsFormatJson:
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return decodeJson, nil
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}
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return nil, fmt.Errorf("unable to guess format for file %q", path)
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}
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// ColumnsDecoderFn is a function which decodes a slice of api.MeasurementSchemaColumn
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// elements from r.
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type ColumnsDecoderFn func(r io.Reader) ([]api.MeasurementSchemaColumn, error)
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