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Code Issues Projects Releases Wiki Activity

Fix SQL errors caused by huge operations

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Differential Revision: D2475717

committer: Service User <svcscm@fb.com>
This commit is contained in:
Andrei Coman 2015-09-24 05:18:47 -07:00 committed by facebook-github-bot-9
parent eee11eaeed
commit c1e3f9100e
2 changed files with 57 additions and 43 deletions
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8
ReactAndroid/src/main/java/com/facebook/react/modules/storage/AsyncLocalStorageUtil.java
View File

@ -49,10 +49,10 @@ import static com.facebook.react.modules.storage.ReactDatabaseSupplier.VALUE_COL
* {a, b, c}
* to be used in the SQL select statement: WHERE key in (?, ?, ?)
*/
/* package */ static String[] buildKeySelectionArgs(ReadableArray keys) {
String[] selectionArgs = new String[keys.size()];
for (int keyIndex = 0; keyIndex < keys.size(); keyIndex++) {
selectionArgs[keyIndex] = keys.getString(keyIndex);
/* package */ static String[] buildKeySelectionArgs(ReadableArray keys, int start, int count) {
String[] selectionArgs = new String[count];
for (int keyIndex = 0; keyIndex < count; keyIndex++) {
selectionArgs[keyIndex] = keys.getString(start + keyIndex);
}
return selectionArgs;
}

92
ReactAndroid/src/main/java/com/facebook/react/modules/storage/AsyncStorageModule.java
View File

@ -34,6 +34,10 @@ import static com.facebook.react.modules.storage.ReactDatabaseSupplier.VALUE_COL
public final class AsyncStorageModule
extends ReactContextBaseJavaModule implements ModuleDataCleaner.Cleanable {
// SQL variable number limit, defined by SQLITE_LIMIT_VARIABLE_NUMBER:
// https://raw.githubusercontent.com/android/platform_external_sqlite/master/dist/sqlite3.c
private static final int MAX_SQL_KEYS = 999;
private ReactDatabaseSupplier mReactDatabaseSupplier;
private boolean mShuttingDown = false;
@ -104,47 +108,50 @@ public final class AsyncStorageModule
String[] columns = {KEY_COLUMN, VALUE_COLUMN};
HashSet<String> keysRemaining = SetBuilder.newHashSet();
WritableArray data = Arguments.createArray();
Cursor cursor = mReactDatabaseSupplier.get().query(
TABLE_CATALYST,
columns,
AsyncLocalStorageUtil.buildKeySelection(keys.size()),
AsyncLocalStorageUtil.buildKeySelectionArgs(keys),
null,
null,
null);
try {
if (cursor.getCount() != keys.size()) {
// some keys have not been found - insert them with null into the final array
for (int keyIndex = 0; keyIndex < keys.size(); keyIndex++) {
keysRemaining.add(keys.getString(keyIndex));
for (int keyStart = 0; keyStart < keys.size(); keyStart += MAX_SQL_KEYS) {
int keyCount = Math.min(keys.size() - keyStart, MAX_SQL_KEYS);
Cursor cursor = mReactDatabaseSupplier.get().query(
TABLE_CATALYST,
columns,
AsyncLocalStorageUtil.buildKeySelection(keyCount),
AsyncLocalStorageUtil.buildKeySelectionArgs(keys, keyStart, keyCount),
null,
null,
null);
keysRemaining.clear();
try {
if (cursor.getCount() != keys.size()) {
// some keys have not been found - insert them with null into the final array
for (int keyIndex = keyStart; keyIndex < keyStart + keyCount; keyIndex++) {
keysRemaining.add(keys.getString(keyIndex));
}
}
if (cursor.moveToFirst()) {
do {
WritableArray row = Arguments.createArray();
row.pushString(cursor.getString(0));
row.pushString(cursor.getString(1));
data.pushArray(row);
keysRemaining.remove(cursor.getString(0));
} while (cursor.moveToNext());
}
} catch (Exception e) {
FLog.w(ReactConstants.TAG, "Exception in database multiGet ", e);
callback.invoke(AsyncStorageErrorUtil.getError(null, e.getMessage()), null);
} finally {
cursor.close();
}
if (cursor.moveToFirst()) {
do {
WritableArray row = Arguments.createArray();
row.pushString(cursor.getString(0));
row.pushString(cursor.getString(1));
data.pushArray(row);
keysRemaining.remove(cursor.getString(0));
} while (cursor.moveToNext());
for (String key : keysRemaining) {
WritableArray row = Arguments.createArray();
row.pushString(key);
row.pushNull();
data.pushArray(row);
}
} catch (Exception e) {
FLog.w(ReactConstants.TAG, "Exception in database multiGet ", e);
callback.invoke(AsyncStorageErrorUtil.getError(null, e.getMessage()), null);
} finally {
cursor.close();
keysRemaining.clear();
}
for (String key : keysRemaining) {
WritableArray row = Arguments.createArray();
row.pushString(key);
row.pushNull();
data.pushArray(row);
}
keysRemaining.clear();
callback.invoke(null, data);
}
}.execute();
@ -223,14 +230,21 @@ public final class AsyncStorageModule
return;
}
mReactDatabaseSupplier.get().beginTransaction();
try {
mReactDatabaseSupplier.get().delete(
TABLE_CATALYST,
AsyncLocalStorageUtil.buildKeySelection(keys.size()),
AsyncLocalStorageUtil.buildKeySelectionArgs(keys));
for (int keyStart = 0; keyStart < keys.size(); keyStart += MAX_SQL_KEYS) {
int keyCount = Math.min(keys.size() - keyStart, MAX_SQL_KEYS);
mReactDatabaseSupplier.get().delete(
TABLE_CATALYST,
AsyncLocalStorageUtil.buildKeySelection(keyCount),
AsyncLocalStorageUtil.buildKeySelectionArgs(keys, keyStart, keyCount));
}
mReactDatabaseSupplier.get().setTransactionSuccessful();
} catch (Exception e) {
FLog.w(ReactConstants.TAG, "Exception in database multiRemove ", e);
callback.invoke(AsyncStorageErrorUtil.getError(null, e.getMessage()));
} finally {
mReactDatabaseSupplier.get().endTransaction();
}
callback.invoke();
}