rpuch commented on code in PR #814:
URL: https://github.com/apache/ignite-3/pull/814#discussion_r878371482
##########
modules/page-memory/src/main/java/org/apache/ignite/internal/pagememory/io/AbstractDataPageIo.java:
##########
@@ -673,6 +737,18 @@ public DataPagePayload readPayload(final long pageAddr,
final int itemId, final
nextLink);
}
+ /**
+ * Returns {@code true} iff an item with given ID exists in a page at the
given address.
+ *
+ * @param pageAddr address where page data begins in memory
+ * @param itemId item ID to check
+ * @param pageSize size of the page in bytes
+ * @return {@code true} iff an item with given ID exists in a page at the
given address
+ */
+ public boolean itemExists(long pageAddr, int itemId, final int pageSize) {
Review Comment:
From our conversation, it turns out that it was actually the additional
validation we agreed to add.
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