belliottsmith commented on code in PR #4921:
URL: https://github.com/apache/cassandra/pull/4921#discussion_r3613909303
##########
src/java/org/apache/cassandra/service/accord/txn/TxnUpdate.java:
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@@ -576,6 +571,127 @@ public TxnUpdate(TableMetadatas tables, List<Fragment>
fragments, TxnCondition c
this.preserveTimestamps = preserveTimestamps;
}
+ public TxnUpdate(TableMetadatas tables, List<PreTransformedBlock>
preTransformedBlocks, @Nullable ConsistencyLevel cassandraCommitCL,
PreserveTimestamp preserveTimestamps)
+ {
+ requireArgument(cassandraCommitCL == null ||
IAccordService.SUPPORTED_COMMIT_CONSISTENCY_LEVELS.contains(cassandraCommitCL));
+ this.tables = tables;
+ this.keys = sortedFragmentKeys(preTransformedBlocks);
+
+ List<Block> blocks = new ArrayList<>();
+ int nextConditionIndex = 0;
+ for (PreTransformedBlock preTransformedBlock : preTransformedBlocks)
+ {
+ Pair<Integer, Block> pair =
preTransformedBlock.generateBlock(nextConditionIndex, tables);
+ nextConditionIndex = pair.left();
+ blocks.add(pair.right());
+ }
+
+ this.blocks = blocks;
+ this.cassandraCommitCL = cassandraCommitCL;
+ this.preserveTimestamps = preserveTimestamps;
+ }
+
+ public Keys sortedFragmentKeys(List<PreTransformedBlock>
preTransformedBlocks)
+ {
+ List<Key> keys = new ArrayList<>();
Review Comment:
fast path for single block?
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