-
Notifications
You must be signed in to change notification settings - Fork 3
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Added support for enum types. Enums use schema type STRING.
- Loading branch information
Showing
21 changed files
with
662 additions
and
536 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package typemanager | ||
|
|
||
| import ( | ||
| "github.com/go-errors/errors" | ||
| "github.com/jackc/pglogrepl" | ||
| "github.com/jackc/pgx/v5/pgtype" | ||
| "github.com/noctarius/timescaledb-event-streamer/internal/functional" | ||
| "github.com/noctarius/timescaledb-event-streamer/spi/pgtypes" | ||
| ) | ||
|
|
||
| type tupleDecoder func(column *pglogrepl.TupleDataColumn, values map[string]any) error | ||
|
|
||
| type tupleCodec func(data []byte, binary bool) (any, error) | ||
|
|
||
| func planTupleDecoder( | ||
| typeManager *typeManager, relation *pgtypes.RelationMessage, | ||
| ) (pgtypes.TupleDecoderPlan, error) { | ||
|
|
||
| decoders := make([]tupleDecoder, 0) | ||
|
|
||
| for _, column := range relation.Columns { | ||
| codec := func(data []byte, binary bool) (any, error) { | ||
| return string(data), nil | ||
| } | ||
| if pgxType, ok := typeManager.typeMap.TypeForOID(column.DataType); ok { | ||
| codec = func(data []byte, binary bool) (any, error) { | ||
| dataformat := int16(pgtype.TextFormatCode) | ||
| if binary { | ||
| dataformat = pgtype.BinaryFormatCode | ||
| } | ||
| return pgxType.Codec.DecodeValue(typeManager.typeMap, column.DataType, dataformat, data) | ||
| } | ||
| } | ||
|
|
||
| decoders = append(decoders, func(dataType uint32, name string, codec tupleCodec) tupleDecoder { | ||
| return func(column *pglogrepl.TupleDataColumn, values map[string]any) error { | ||
| switch column.DataType { | ||
| case 'n': // null | ||
| values[name] = nil | ||
| case 'u': // unchanged toast | ||
| // This TOAST value was not changed. TOAST values are not stored in the tuple, and | ||
| // logical replication doesn't want to spend a disk read to fetch its value for you. | ||
| case 't': // text (basically anything other than the two above) | ||
| val, err := codec(column.Data, false) | ||
| if err != nil { | ||
| return errors.Errorf("error decoding column data: %s", err) | ||
| } | ||
| values[name] = val | ||
| case 'b': // binary data | ||
| val, err := codec(column.Data, true) | ||
| if err != nil { | ||
| return errors.Errorf("error decoding column data: %s", err) | ||
| } | ||
| values[name] = val | ||
| } | ||
| return nil | ||
| } | ||
| }(column.DataType, column.Name, codec)) | ||
| } | ||
|
|
||
| return &tupleDecoderPlan{ | ||
| decoders: decoders, | ||
| }, nil | ||
| } | ||
|
|
||
| type tupleDecoderPlan struct { | ||
| decoders []tupleDecoder | ||
| } | ||
|
|
||
| func (tdp *tupleDecoderPlan) Decode( | ||
| tupleData *pglogrepl.TupleData, | ||
| ) (map[string]any, error) { | ||
|
|
||
| if tupleData == nil { | ||
| return functional.Zero[map[string]any](), nil | ||
| } | ||
|
|
||
| values := map[string]any{} | ||
| for i, decoder := range tdp.decoders { | ||
| column := tupleData.Columns[i] | ||
| if err := decoder(column, values); err != nil { | ||
| return nil, err | ||
| } | ||
| } | ||
| return values, nil | ||
| } |
Oops, something went wrong.