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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/163246">163246</a></dd>
<dt>Author</dt> <dd>beidson@apple.com</dd>
<dt>Date</dt> <dd>2014-02-01 11:11:38 -0800 (Sat, 01 Feb 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>IDB: Index reading
<rdar://problem/15899973> and https://bugs.webkit.org/show_bug.cgi?id=127868
Reviewed by Jer Noble.
* DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp:
(WebKit::UniqueIDBDatabase::getRecordFromBackingStore):
* DatabaseProcess/IndexedDB/UniqueIDBDatabaseBackingStore.h:
* DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.cpp:
(WebKit::UniqueIDBDatabaseBackingStoreSQLite::getIndexRecord): Using an index cursor, read a value.
* DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.h:</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabasecpp">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabaseBackingStoreh">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseBackingStore.h</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBsqliteUniqueIDBDatabaseBackingStoreSQLitecpp">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.cpp</a></li>
<li><a href="#trunkSourceWebKit2DatabaseProcessIndexedDBsqliteUniqueIDBDatabaseBackingStoreSQLiteh">trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.h</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (163245 => 163246)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog 2014-02-01 19:04:02 UTC (rev 163245)
+++ trunk/Source/WebKit2/ChangeLog 2014-02-01 19:11:38 UTC (rev 163246)
</span><span class="lines">@@ -1,5 +1,20 @@
</span><span class="cx"> 2014-02-01 Brady Eidson <beidson@apple.com>
</span><span class="cx">
</span><ins>+ IDB: Index reading
+ <rdar://problem/15899973> and https://bugs.webkit.org/show_bug.cgi?id=127868
+
+ Reviewed by Jer Noble.
+
+ * DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp:
+ (WebKit::UniqueIDBDatabase::getRecordFromBackingStore):
+
+ * DatabaseProcess/IndexedDB/UniqueIDBDatabaseBackingStore.h:
+ * DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.cpp:
+ (WebKit::UniqueIDBDatabaseBackingStoreSQLite::getIndexRecord): Using an index cursor, read a value.
+ * DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.h:
+
+2014-02-01 Brady Eidson <beidson@apple.com>
+
</ins><span class="cx"> IDB: Index cursor complete advance() and iterate() support
</span><span class="cx"> <rdar://problem/15941916> and https://bugs.webkit.org/show_bug.cgi?id=127870
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabasecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp (163245 => 163246)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp 2014-02-01 19:04:02 UTC (rev 163245)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabase.cpp 2014-02-01 19:11:38 UTC (rev 163246)
</span><span class="lines">@@ -870,8 +870,13 @@
</span><span class="cx">
</span><span class="cx"> // IDBIndex get record
</span><span class="cx">
</span><del>- // FIXME: Implement index gets (<rdar://problem/15779642>)
- postMainThreadTask(createAsyncTask(*this, &UniqueIDBDatabase::didGetRecordFromBackingStore, requestID, IDBGetResult(), IDBDatabaseException::UnknownError, ASCIILiteral("'get' from indexes not supported yet")));
</del><ins>+ RefPtr<SharedBuffer> result;
+ if (!m_backingStore->getIndexRecord(transaction, objectStoreMetadata.id, indexID, keyRangeData, result)) {
+ postMainThreadTask(createAsyncTask(*this, &UniqueIDBDatabase::didGetRecordFromBackingStore, requestID, IDBGetResult(), IDBDatabaseException::UnknownError, ASCIILiteral("Failed to get index record from backing store")));
+ return;
+ }
+
+ postMainThreadTask(createAsyncTask(*this, &UniqueIDBDatabase::didGetRecordFromBackingStore, requestID, IDBGetResult(result.release()), 0, String(StringImpl::empty())));
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> void UniqueIDBDatabase::didGetRecordFromBackingStore(uint64_t requestID, const IDBGetResult& result, uint32_t errorCode, const String& errorMessage)
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBUniqueIDBDatabaseBackingStoreh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseBackingStore.h (163245 => 163246)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseBackingStore.h 2014-02-01 19:04:02 UTC (rev 163245)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/UniqueIDBDatabaseBackingStore.h 2014-02-01 19:11:38 UTC (rev 163246)
</span><span class="lines">@@ -69,6 +69,7 @@
</span><span class="cx"> virtual bool keyExistsInObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKey&, bool& keyExists) = 0;
</span><span class="cx"> virtual bool putRecord(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKey&, const uint8_t* valueBuffer, size_t valueSize) = 0;
</span><span class="cx"> virtual bool putIndexRecord(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyData&, const WebCore::IDBKeyData& indexKey) = 0;
</span><ins>+ virtual bool getIndexRecord(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyRangeData&, RefPtr<WebCore::SharedBuffer>& result) = 0;
</ins><span class="cx">
</span><span class="cx"> virtual bool getKeyRecordFromObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKey&, RefPtr<WebCore::SharedBuffer>& result) = 0;
</span><span class="cx"> virtual bool getKeyRangeRecordFromObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKeyRange&, RefPtr<WebCore::SharedBuffer>& result, RefPtr<WebCore::IDBKey>& resultKey) = 0;
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBsqliteUniqueIDBDatabaseBackingStoreSQLitecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.cpp (163245 => 163246)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.cpp 2014-02-01 19:04:02 UTC (rev 163245)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.cpp 2014-02-01 19:11:38 UTC (rev 163246)
</span><span class="lines">@@ -808,6 +808,36 @@
</span><span class="cx"> return true;
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+bool UniqueIDBDatabaseBackingStoreSQLite::getIndexRecord(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID, const IDBKeyRangeData& keyRangeData, RefPtr<SharedBuffer>& result)
+{
+ ASSERT(!isMainThread());
+ ASSERT(m_sqliteDB);
+ ASSERT(m_sqliteDB->isOpen());
+
+ SQLiteIDBTransaction* transaction = m_transactions.get(transactionIdentifier);
+ if (!transaction || !transaction->inProgress()) {
+ LOG_ERROR("Attempt to get count from database without an established, in-progress transaction");
+ return false;
+ }
+
+ SQLiteIDBCursor* cursor = transaction->openCursor(objectStoreID, indexID, IndexedDB::CursorDirection::Next, IndexedDB::CursorType::KeyAndValue, IDBDatabaseBackend::NormalTask, keyRangeData);
+
+ if (!cursor) {
+ LOG_ERROR("Cannot open cursor to perform index get in database");
+ return false;
+ }
+
+ // Even though we're only using this cursor locally, add it to our cursor set.
+ m_cursors.set(cursor->identifier(), cursor);
+
+ result = SharedBuffer::create(cursor->currentValueBuffer().data(), cursor->currentValueBuffer().size());
+
+ // Closing the cursor will destroy the cursor object and remove it from our cursor set.
+ transaction->closeCursor(*cursor);
+
+ return true;
+}
+
</ins><span class="cx"> bool UniqueIDBDatabaseBackingStoreSQLite::getKeyRecordFromObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const IDBKey& key, RefPtr<SharedBuffer>& result)
</span><span class="cx"> {
</span><span class="cx"> ASSERT(!isMainThread());
</span></span></pre></div>
<a id="trunkSourceWebKit2DatabaseProcessIndexedDBsqliteUniqueIDBDatabaseBackingStoreSQLiteh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.h (163245 => 163246)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.h 2014-02-01 19:04:02 UTC (rev 163245)
+++ trunk/Source/WebKit2/DatabaseProcess/IndexedDB/sqlite/UniqueIDBDatabaseBackingStoreSQLite.h 2014-02-01 19:11:38 UTC (rev 163246)
</span><span class="lines">@@ -74,8 +74,8 @@
</span><span class="cx"> virtual bool keyExistsInObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKey&, bool& keyExists) override;
</span><span class="cx"> virtual bool putRecord(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKey&, const uint8_t* valueBuffer, size_t valueSize) override;
</span><span class="cx"> virtual bool putIndexRecord(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyData& keyValue, const WebCore::IDBKeyData& indexKey) override;
</span><ins>+ virtual bool getIndexRecord(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyRangeData&, RefPtr<WebCore::SharedBuffer>& result) override;
</ins><span class="cx">
</span><del>-
</del><span class="cx"> virtual bool getKeyRecordFromObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKey&, RefPtr<WebCore::SharedBuffer>& result) override;
</span><span class="cx"> virtual bool getKeyRangeRecordFromObjectStore(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, const WebCore::IDBKeyRange&, RefPtr<WebCore::SharedBuffer>& result, RefPtr<WebCore::IDBKey>& resultKey) override;
</span><span class="cx"> virtual bool count(const IDBIdentifier& transactionIdentifier, int64_t objectStoreID, int64_t indexID, const WebCore::IDBKeyRangeData&, int64_t& count) override;
</span></span></pre>
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