Added the option to set ttl from a column. #274
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added 4 commits
November 26, 2020 10:26
- If ttl.column is set, the connector will use the value in that column to set the ttl of the record. - The ttl column will not be included in the fields of the record. - The ability to use a constant ttl is still there, but ttl.column takes precedence when both are set.
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Jan 16, 2021
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Hi @SariNusier
Thank you for the PR! It looks good in general.
Could you please also update documentation and tests?
| override def encodeRow(keyName: String, value: Row): Array[Byte] = { | ||
| override def encodeRow(keyName: String, value: Row, ttlColumn: Option[String] = None): Array[Byte] = { | ||
| val fields = value.schema.fields.map(_.name) | ||
| val valuesArray = fields.map(f => value.getAs[Any](f)) |
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should we exclude TTL column here as well?
| } | ||
| .filter { case (k, _) => | ||
| // don't store TTLs | ||
| ttlColumn match { |
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It's probably more efficient in terms of the performance to check if ttlColumn is specified only once rather than for every field.
| val encodedRow = persistence.encodeRow(keyName, row) | ||
| persistence.save(pipeline, key, encodedRow, ttl) | ||
| val encodedRow = persistence.encodeRow(keyName, row, ttlColumn) | ||
| val recordTTL = if (ttlColumn.isEmpty) ttl else row.getAs[Int](ttlColumn.get) |
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We can rewrite it with val recordTTL = ttlColumn.map(v => row.getAs[Int](v)).getOrElse(ttl). It looks to be more idiomatic approach.
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