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Merge "Enable SQLite configuration to be set with system properties." into jb-dev

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This commit is contained in:
Jeff Brown
2012-05-11 18:19:39 -07:00
committed by Android (Google) Code Review
parent d83fdd03a1 888da152ec
commit dca5fb9e7e
1 changed files with 20 additions and 11 deletions
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31
core/java/android/database/sqlite/SQLiteGlobal.java
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@@ -18,6 +18,7 @@ package android.database.sqlite;
import android.content.res.Resources;
import android.os.StatFs;
import android.os.SystemProperties;
/**
* Provides access to SQLite functions that affect all database connection,
@@ -62,7 +63,7 @@ public final class SQLiteGlobal {
if (sDefaultPageSize == 0) {
sDefaultPageSize = new StatFs("/data").getBlockSize();
}
return sDefaultPageSize;
return SystemProperties.getInt("debug.sqlite.pagesize", sDefaultPageSize);
}
}
@@ -70,47 +71,55 @@ public final class SQLiteGlobal {
* Gets the default journal mode when WAL is not in use.
*/
public static String getDefaultJournalMode() {
return Resources.getSystem().getString(
com.android.internal.R.string.db_default_journal_mode);
return SystemProperties.get("debug.sqlite.journalmode",
Resources.getSystem().getString(
com.android.internal.R.string.db_default_journal_mode));
}
/**
* Gets the journal size limit in bytes.
*/
public static int getJournalSizeLimit() {
return Resources.getSystem().getInteger(
com.android.internal.R.integer.db_journal_size_limit);
return SystemProperties.getInt("debug.sqlite.journalsizelimit",
Resources.getSystem().getInteger(
com.android.internal.R.integer.db_journal_size_limit));
}
/**
* Gets the default database synchronization mode when WAL is not in use.
*/
public static String getDefaultSyncMode() {
return Resources.getSystem().getString(
com.android.internal.R.string.db_default_sync_mode);
return SystemProperties.get("debug.sqlite.syncmode",
Resources.getSystem().getString(
com.android.internal.R.string.db_default_sync_mode));
}
/**
* Gets the database synchronization mode when in WAL mode.
*/
public static String getWALSyncMode() {
return Resources.getSystem().getString(
com.android.internal.R.string.db_wal_sync_mode);
return SystemProperties.get("debug.sqlite.wal.syncmode",
Resources.getSystem().getString(
com.android.internal.R.string.db_wal_sync_mode));
}
/**
* Gets the WAL auto-checkpoint integer in database pages.
*/
public static int getWALAutoCheckpoint() {
return Math.max(1, Resources.getSystem().getInteger(
int value = SystemProperties.getInt("debug.sqlite.wal.autocheckpoint",
Resources.getSystem().getInteger(
com.android.internal.R.integer.db_wal_autocheckpoint));
return Math.max(1, value);
}
/**
* Gets the connection pool size when in WAL mode.
*/
public static int getWALConnectionPoolSize() {
return Math.max(2, Resources.getSystem().getInteger(
int value = SystemProperties.getInt("debug.sqlite.wal.poolsize",
Resources.getSystem().getInteger(
com.android.internal.R.integer.db_connection_pool_size));
return Math.max(2, value);
}
}