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Use SQL parameter binding for performance (statements can be cached)

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This commit is contained in:
Ciaran Gultnieks 2010-12-08 15:26:18 +00:00
parent bcd0b185dc
commit 234bdd16fb
1 changed files with 17 additions and 15 deletions
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32
src/org/fdroid/fdroid/DB.java
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@ -188,7 +188,7 @@ public class DB {
//
private static final String[][] DB_UPGRADES = {
// Version 2...
// Version 2...
{ "alter table " + TABLE_APP + " add marketVersion text",
"alter table " + TABLE_APP + " add marketVercode integer" },
@ -296,8 +296,9 @@ public class DB {
app.marketVercode = c.getInt(c.getColumnIndex("marketVercode"));
app.hasUpdates = false;
c2 = db.rawQuery("select * from " + TABLE_APK + " where "
+ "id = '" + app.id + "' order by vercode desc", null);
c2 = db.rawQuery("select * from " + TABLE_APK
+ " where id = ? order by vercode desc",
new String[] { app.id });
c2.moveToFirst();
while (!c2.isAfterLast()) {
Apk apk = new Apk();
@ -308,7 +309,8 @@ public class DB {
apk.hash = c2.getString(c2.getColumnIndex("hash"));
apk.size = c2.getInt(c2.getColumnIndex("size"));
apk.apkName = c2.getString(c2.getColumnIndex("apkName"));
apk.apkSource = c2.getString(c2.getColumnIndex("apkSource"));
apk.apkSource = c2
.getString(c2.getColumnIndex("apkSource"));
app.apks.add(apk);
c2.moveToNext();
}
@ -405,8 +407,8 @@ public class DB {
// in the repos.
Log.d("FDroid", "AppUpdate: " + app.name
+ " is no longer in any repository - removing");
db.delete(TABLE_APP, "id = '" + app.id + "'", null);
db.delete(TABLE_APK, "id = '" + app.id + "'", null);
db.delete(TABLE_APP, "id = ?", new String[] { app.id });
db.delete(TABLE_APK, "id = ?", new String[] { app.id });
} else {
for (Apk apk : app.apks) {
if (!apk.updated) {
@ -415,8 +417,8 @@ public class DB {
Log.d("FDroid", "AppUpdate: Package " + apk.id + "/"
+ apk.version
+ " is no longer in any repository - removing");
db.delete(TABLE_APK, "id = '" + app.id
+ "' and version ='" + apk.version + "'", null);
db.delete(TABLE_APK, "id = ? and version = ?",
new String[] { app.id, apk.version });
}
}
}
@ -509,7 +511,7 @@ public class DB {
values.put("marketVercode", upapp.marketVercode);
values.put("hasUpdates", upapp.hasUpdates ? 1 : 0);
if (oldapp != null) {
db.update(TABLE_APP, values, "id = '" + oldapp.id + "'", null);
db.update(TABLE_APP, values, "id = ?", new String[] { oldapp.id });
} else {
db.insert(TABLE_APP, null, values);
}
@ -532,8 +534,8 @@ public class DB {
values.put("apkName", upapk.apkName);
values.put("apkSource", upapk.apkSource);
if (oldapk != null) {
db.update(TABLE_APK, values, "id = '" + oldapk.id
+ "' and version = '" + oldapk.version + "'", null);
db.update(TABLE_APK, values, "id = ? and version =?", new String[] {
oldapk.id, oldapk.version });
} else {
db.insert(TABLE_APK, null, values);
}
@ -542,7 +544,7 @@ public class DB {
public void setInstalledVersion(String id, String version) {
ContentValues values = new ContentValues();
values.put("installedVersion", version);
db.update(TABLE_APP, values, "id = '" + id + "'", null);
db.update(TABLE_APP, values, "id = ?", new String[] { id });
}
// Get a list of the configured repositories.
@ -572,7 +574,8 @@ public class DB {
public void changeServerStatus(String address) {
db.rawQuery("update " + TABLE_REPO
+ " set inuse=1-inuse where address='" + address + "'", null);
+ " set inuse=1-inuse where address= ?",
new String[] { address });
}
public void addServer(String address, int priority) {
@ -585,8 +588,7 @@ public class DB {
public void removeServers(Vector<String> addresses) {
for (String address : addresses) {
db.delete(TABLE_REPO, "address = '" + address + "'", null);
db.delete(TABLE_REPO, "address = ?", new String[] { address });
}
}
}