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Support otfMetadata in Kinesis firehose response metadata for iceberg table routing #576

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Support otfMetadata in Kinesis firehose response metadata for iceberg table routing #576

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80084fa
Support otfMetadata in Kinesis firehose response metadata for iceberg…
amalakar Nov 21, 2024
88cdb7b
Add constant for otf operation
amalakar Nov 21, 2024
802b99a
Merge branch 'main' into arup/support-otf-firehose
bmoffatt Feb 19, 2025
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16 changes: 15 additions & 1 deletion events/firehose.go
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,13 @@ const (
KinesisFirehoseTransformedStateProcessingFailed = "ProcessingFailed"
)

// Constants used for otf operation for the record
const (
KinesisFirehoseOtfOperationInsert = "insert"
KinesisFirehoseOtfOperationUpdate = "update"
KinesisFirehoseOtfOperationDelete = "delete"
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Expected type KinesisFirehoseOTFOperation string, like is done elsewhere for similar enum-likes in other events

)

type KinesisFirehoseResponse struct {
Records []KinesisFirehoseResponseRecord `json:"records"`
}
Expand All @@ -37,7 +44,14 @@ type KinesisFirehoseResponseRecord struct {
}

type KinesisFirehoseResponseRecordMetadata struct {
PartitionKeys map[string]string `json:"partitionKeys"`
PartitionKeys map[string]string `json:"partitionKeys"`
OTFMetadata KinesisFirehoseResponseOTFMetadata `json:"otfMetadata"`
}

type KinesisFirehoseResponseOTFMetadata struct {
DestinationTableName string `json:"destinationTableName"`
DestinationDatabaseName string `json:"destinationDatabaseName"`
Operation string `json:"operation"`
}

type KinesisFirehoseRecordMetadata struct {
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19 changes: 17 additions & 2 deletions events/testdata/kinesis-firehose-response.json
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Expand Up @@ -5,15 +5,25 @@
"recordId": "record1",
"result": "TRANSFORMED_STATE_OK",
"metadata": {
"partitionKeys": {}
"partitionKeys": {},
"otfMetadata": {
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How does Firehose handle metadata with empty strings? Will this cause an error? IE, if I want to transform but not route, what happens?

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Without knowing Firehose's behavior, it'd be prudent to add 'omitempty' to the new struct tag

"destinationTableName": "",
"destinationDatabaseName": "",
"operation": ""
}
}
},
{
"data": "SGVsbG8gV29ybGQ=",
"recordId": "record2",
"result": "TRANSFORMED_STATE_DROPPED",
"metadata": {
"partitionKeys": {}
"partitionKeys": {},
"otfMetadata": {
"destinationTableName": "",
"destinationDatabaseName": "",
"operation": ""
}
}
},
{
Expand All @@ -24,6 +34,11 @@
"partitionKeys": {
"iamKey1": "iamValue1",
"iamKey2": "iamValue2"
},
"otfMetadata": {
"destinationTableName": "",
"destinationDatabaseName": "",
"operation": ""
}
}
}
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