mirror of
https://codeberg.org/Freeyourgadget/Gadgetbridge
synced 2024-12-25 01:55:50 +01:00
Only add column if it doesn't exist yet
Column can exist if there down- and upgrades
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parent
3b3458e196
commit
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@ -1,6 +1,7 @@
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package nodomain.freeyourgadget.gadgetbridge.database;
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import android.content.Context;
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import android.database.Cursor;
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import android.database.sqlite.SQLiteDatabase;
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import android.database.sqlite.SQLiteOpenHelper;
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@ -70,6 +71,13 @@ public class DBHelper {
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db.execSQL(statement);
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}
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public static boolean existsColumn(String tableName, String columnName, SQLiteDatabase db) {
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try (Cursor res = db.rawQuery("PRAGMA table_info('" + tableName + "')", null)) {
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int result = res.getColumnIndex(columnName);
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return result != -1;
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}
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}
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/**
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* WITHOUT ROWID is only available with sqlite 3.8.2, which is available
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* with Lollipop and later.
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@ -2,6 +2,7 @@ package nodomain.freeyourgadget.gadgetbridge.database.schema;
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import android.database.sqlite.SQLiteDatabase;
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import nodomain.freeyourgadget.gadgetbridge.database.DBHelper;
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import nodomain.freeyourgadget.gadgetbridge.database.DBUpdateScript;
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import static nodomain.freeyourgadget.gadgetbridge.database.DBConstants.KEY_CUSTOM_SHORT;
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@ -13,9 +14,11 @@ import static nodomain.freeyourgadget.gadgetbridge.database.DBConstants.TABLE_GB
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public class ActivityDBUpdate_6 implements DBUpdateScript {
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@Override
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public void upgradeSchema(SQLiteDatabase db) {
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String ADD_COLUMN_CUSTOM_SHORT = "ALTER TABLE " + TABLE_GBACTIVITYSAMPLES + " ADD COLUMN "
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+ KEY_CUSTOM_SHORT + " INT;";
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db.execSQL(ADD_COLUMN_CUSTOM_SHORT);
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if (!DBHelper.existsColumn(TABLE_GBACTIVITYSAMPLES, KEY_CUSTOM_SHORT, db)) {
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String ADD_COLUMN_CUSTOM_SHORT = "ALTER TABLE " + TABLE_GBACTIVITYSAMPLES + " ADD COLUMN "
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+ KEY_CUSTOM_SHORT + " INT;";
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db.execSQL(ADD_COLUMN_CUSTOM_SHORT);
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}
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}
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@Override
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