AMashenkov commented on code in PR #2449:
URL: https://github.com/apache/ignite-3/pull/2449#discussion_r1305613580
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modules/sql-engine/src/main/java/org/apache/ignite/internal/sql/engine/SqlQueryProcessor.java:
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@@ -429,93 +430,120 @@ private CompletableFuture<AsyncSqlCursor<List<Object>>>
querySingle0(
return CompletableFuture.failedFuture(new
SessionNotFoundException(sessionId));
}
- CompletableFuture<Void> start = new CompletableFuture<>();
+ CompletableFuture<AsyncSqlCursor<List<Object>>> start = new
CompletableFuture<>();
- AtomicReference<InternalTransaction> tx = new AtomicReference<>();
+ CompletableFuture<AsyncSqlCursor<List<Object>>> stage =
start.thenCompose(ignored -> {
+ ParsedResult result = parserService.parse(sql);
- CompletableFuture<AsyncSqlCursor<List<Object>>> stage = start
- .thenCompose(ignored -> {
- ParsedResult result = parserService.parse(sql);
+ validateParsedStatement(context, result, params);
- validateParsedStatement(context, outerTx, result, params);
+ QueryTransactionWrapper txWrapper =
wrapTxOrStartImplicit(result.queryType(), transactions, outerTx);
- boolean rwOp = dataModificationOp(result);
+ return waitForActualSchema(schemaName,
txWrapper.unwrap().startTimestamp())
+ .thenCompose(schema -> {
Review Comment:
`waitForActualSchema` future may completes in Metastorage thread.
So, `prepareAsync` or/and `executePlan` may be processed in Metastorage
thread.
Should we use `thenComposeAsync` here?
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