/* * Copyright 2014 Google Inc. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.google.samples.apps.iosched.provider; import android.accounts.Account; import android.app.SearchManager; import android.content.ContentResolver; import android.content.Context; import android.database.sqlite.SQLiteDatabase; import android.database.sqlite.SQLiteOpenHelper; import android.provider.BaseColumns; import com.google.samples.apps.iosched.provider.ScheduleContract.*; import com.google.samples.apps.iosched.sync.ConferenceDataHandler; import com.google.samples.apps.iosched.sync.SyncHelper; import com.google.samples.apps.iosched.util.AccountUtils; import static com.google.samples.apps.iosched.util.LogUtils.*; /** * Helper for managing {@link SQLiteDatabase} that stores data for * {@link ScheduleProvider}. */ public class ScheduleDatabase extends SQLiteOpenHelper { private static final String TAG = makeLogTag(ScheduleDatabase.class); private static final String DATABASE_NAME = "schedule.db"; // NOTE: carefully update onUpgrade() when bumping database versions to make // sure user data is saved. private static final int VER_2014_RELEASE_A = 122; // app version 2.0.0, 2.0.1 private static final int VER_2014_RELEASE_C = 207; // app version 2.1.x private static final int CUR_DATABASE_VERSION = VER_2014_RELEASE_C; private final Context mContext; interface Tables { String BLOCKS = "blocks"; String TAGS = "tags"; String ROOMS = "rooms"; String SESSIONS = "sessions"; String MY_SCHEDULE = "myschedule"; String SPEAKERS = "speakers"; String SESSIONS_TAGS = "sessions_tags"; String SESSIONS_SPEAKERS = "sessions_speakers"; String ANNOUNCEMENTS = "announcements"; String MAPMARKERS = "mapmarkers"; String MAPTILES = "mapoverlays"; String HASHTAGS = "hashtags"; String FEEDBACK = "feedback"; String EXPERTS = "experts"; String PEOPLE_IVE_MET = "people_ive_met"; String VIDEOS = "videos"; String PARTNERS = "partners"; String SESSIONS_SEARCH = "sessions_search"; String SEARCH_SUGGEST = "search_suggest"; String SESSIONS_JOIN_MYSCHEDULE = "sessions " + "LEFT OUTER JOIN myschedule ON sessions.session_id=myschedule.session_id " + "AND myschedule.account_name=? "; String SESSIONS_JOIN_ROOMS_TAGS = "sessions " + "LEFT OUTER JOIN myschedule ON sessions.session_id=myschedule.session_id " + "AND myschedule.account_name=? " + "LEFT OUTER JOIN rooms ON sessions.room_id=rooms.room_id " + "LEFT OUTER JOIN sessions_tags ON sessions.session_id=sessions_tags.session_id"; String SESSIONS_JOIN_ROOMS_TAGS_FEEDBACK_MYSCHEDULE = "sessions " + "LEFT OUTER JOIN myschedule ON sessions.session_id=myschedule.session_id " + "AND myschedule.account_name=? " + "LEFT OUTER JOIN rooms ON sessions.room_id=rooms.room_id " + "LEFT OUTER JOIN sessions_tags ON sessions.session_id=sessions_tags.session_id " + "LEFT OUTER JOIN feedback ON sessions.session_id=feedback.session_id"; String SESSIONS_JOIN_ROOMS = "sessions " + "LEFT OUTER JOIN myschedule ON sessions.session_id=myschedule.session_id " + "AND myschedule.account_name=? " + "LEFT OUTER JOIN rooms ON sessions.room_id=rooms.room_id"; String SESSIONS_SPEAKERS_JOIN_SPEAKERS = "sessions_speakers " + "LEFT OUTER JOIN speakers ON sessions_speakers.speaker_id=speakers.speaker_id"; String SESSIONS_TAGS_JOIN_TAGS = "sessions_tags " + "LEFT OUTER JOIN tags ON sessions_tags.tag_id=tags.tag_id"; String SESSIONS_SPEAKERS_JOIN_SESSIONS_ROOMS = "sessions_speakers " + "LEFT OUTER JOIN sessions ON sessions_speakers.session_id=sessions.session_id " + "LEFT OUTER JOIN rooms ON sessions.room_id=rooms.room_id"; String SESSIONS_SEARCH_JOIN_SESSIONS_ROOMS = "sessions_search " + "LEFT OUTER JOIN sessions ON sessions_search.session_id=sessions.session_id " + "LEFT OUTER JOIN myschedule ON sessions.session_id=myschedule.session_id " + "AND myschedule.account_name=? " + "LEFT OUTER JOIN rooms ON sessions.room_id=rooms.room_id"; // When tables get deprecated, add them to this list (so they get correctly deleted // on database upgrades) interface DeprecatedTables { String TRACKS = "tracks"; String SESSIONS_TRACKS = "sessions_tracks"; String SANDBOX = "sandbox"; }; } private interface Triggers { // Deletes from dependent tables when corresponding sessions are deleted. String SESSIONS_TAGS_DELETE = "sessions_tags_delete"; String SESSIONS_SPEAKERS_DELETE = "sessions_speakers_delete"; String SESSIONS_MY_SCHEDULE_DELETE = "sessions_myschedule_delete"; String SESSIONS_FEEDBACK_DELETE = "sessions_feedback_delete"; // When triggers get deprecated, add them to this list (so they get correctly deleted // on database upgrades) interface DeprecatedTriggers { String SESSIONS_TRACKS_DELETE = "sessions_tracks_delete"; }; } public interface SessionsSpeakers { String SESSION_ID = "session_id"; String SPEAKER_ID = "speaker_id"; } public interface SessionsTags { String SESSION_ID = "session_id"; String TAG_ID = "tag_id"; } interface SessionsSearchColumns { String SESSION_ID = "session_id"; String BODY = "body"; } /** Fully-qualified field names. */ private interface Qualified { String SESSIONS_SEARCH = Tables.SESSIONS_SEARCH + "(" + SessionsSearchColumns.SESSION_ID + "," + SessionsSearchColumns.BODY + ")"; String SESSIONS_TAGS_SESSION_ID = Tables.SESSIONS_TAGS + "." + SessionsTags.SESSION_ID; String SESSIONS_SPEAKERS_SESSION_ID = Tables.SESSIONS_SPEAKERS+ "." + SessionsSpeakers.SESSION_ID; String SESSIONS_SPEAKERS_SPEAKER_ID = Tables.SESSIONS_SPEAKERS+ "." + SessionsSpeakers.SPEAKER_ID; String SPEAKERS_SPEAKER_ID = Tables.SPEAKERS + "." + Speakers.SPEAKER_ID; String FEEDBACK_SESSION_ID = Tables.FEEDBACK + "." + FeedbackColumns.SESSION_ID; } /** {@code REFERENCES} clauses. */ private interface References { String BLOCK_ID = "REFERENCES " + Tables.BLOCKS + "(" + Blocks.BLOCK_ID + ")"; String TAG_ID = "REFERENCES " + Tables.TAGS + "(" + Tags.TAG_ID + ")"; String ROOM_ID = "REFERENCES " + Tables.ROOMS + "(" + Rooms.ROOM_ID + ")"; String SESSION_ID = "REFERENCES " + Tables.SESSIONS + "(" + Sessions.SESSION_ID + ")"; String SPEAKER_ID = "REFERENCES " + Tables.SPEAKERS + "(" + Speakers.SPEAKER_ID + ")"; } public ScheduleDatabase(Context context) { super(context, DATABASE_NAME, null, CUR_DATABASE_VERSION); mContext = context; } @Override public void onCreate(SQLiteDatabase db) { db.execSQL("CREATE TABLE " + Tables.BLOCKS + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + BlocksColumns.BLOCK_ID + " TEXT NOT NULL," + BlocksColumns.BLOCK_TITLE + " TEXT NOT NULL," + BlocksColumns.BLOCK_START + " INTEGER NOT NULL," + BlocksColumns.BLOCK_END + " INTEGER NOT NULL," + BlocksColumns.BLOCK_TYPE + " TEXT," + BlocksColumns.BLOCK_SUBTITLE + " TEXT," + "UNIQUE (" + BlocksColumns.BLOCK_ID + ") ON CONFLICT REPLACE)"); db.execSQL("CREATE TABLE " + Tables.TAGS + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + TagsColumns.TAG_ID + " TEXT NOT NULL," + TagsColumns.TAG_CATEGORY + " TEXT NOT NULL," + TagsColumns.TAG_NAME + " TEXT NOT NULL," + TagsColumns.TAG_ORDER_IN_CATEGORY + " INTEGER," + TagsColumns.TAG_COLOR + " TEXT NOT NULL," + TagsColumns.TAG_ABSTRACT + " TEXT NOT NULL," + "UNIQUE (" + TagsColumns.TAG_ID + ") ON CONFLICT REPLACE)"); db.execSQL("CREATE TABLE " + Tables.ROOMS + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + RoomsColumns.ROOM_ID + " TEXT NOT NULL," + RoomsColumns.ROOM_NAME + " TEXT," + RoomsColumns.ROOM_FLOOR + " TEXT," + "UNIQUE (" + RoomsColumns.ROOM_ID + ") ON CONFLICT REPLACE)"); db.execSQL("CREATE TABLE " + Tables.SESSIONS + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + SyncColumns.UPDATED + " INTEGER NOT NULL," + SessionsColumns.SESSION_ID + " TEXT NOT NULL," + Sessions.ROOM_ID + " TEXT " + References.ROOM_ID + "," + SessionsColumns.SESSION_START + " INTEGER NOT NULL," + SessionsColumns.SESSION_END + " INTEGER NOT NULL," + SessionsColumns.SESSION_LEVEL + " TEXT," + SessionsColumns.SESSION_TITLE + " TEXT," + SessionsColumns.SESSION_ABSTRACT + " TEXT," + SessionsColumns.SESSION_REQUIREMENTS + " TEXT," + SessionsColumns.SESSION_KEYWORDS + " TEXT," + SessionsColumns.SESSION_HASHTAG + " TEXT," + SessionsColumns.SESSION_URL + " TEXT," + SessionsColumns.SESSION_YOUTUBE_URL + " TEXT," + SessionsColumns.SESSION_MODERATOR_URL + " TEXT," + SessionsColumns.SESSION_PDF_URL + " TEXT," + SessionsColumns.SESSION_NOTES_URL + " TEXT," + SessionsColumns.SESSION_CAL_EVENT_ID + " INTEGER," + SessionsColumns.SESSION_LIVESTREAM_URL + " TEXT," + SessionsColumns.SESSION_TAGS + " TEXT," + SessionsColumns.SESSION_GROUPING_ORDER + " INTEGER," + SessionsColumns.SESSION_SPEAKER_NAMES + " TEXT," + SessionsColumns.SESSION_IMPORT_HASHCODE + " TEXT NOT NULL DEFAULT ''," + SessionsColumns.SESSION_MAIN_TAG + " TEXT," + SessionsColumns.SESSION_COLOR + " INTEGER," + SessionsColumns.SESSION_CAPTIONS_URL + " TEXT," + SessionsColumns.SESSION_PHOTO_URL + " TEXT," + SessionsColumns.SESSION_RELATED_CONTENT + " TEXT," + "UNIQUE (" + SessionsColumns.SESSION_ID + ") ON CONFLICT REPLACE)"); db.execSQL("CREATE TABLE " + Tables.SPEAKERS + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + SyncColumns.UPDATED + " INTEGER NOT NULL," + SpeakersColumns.SPEAKER_ID + " TEXT NOT NULL," + SpeakersColumns.SPEAKER_NAME + " TEXT," + SpeakersColumns.SPEAKER_IMAGE_URL + " TEXT," + SpeakersColumns.SPEAKER_COMPANY + " TEXT," + SpeakersColumns.SPEAKER_ABSTRACT + " TEXT," + SpeakersColumns.SPEAKER_URL + " TEXT," + SpeakersColumns.SPEAKER_IMPORT_HASHCODE + " TEXT NOT NULL DEFAULT ''," + "UNIQUE (" + SpeakersColumns.SPEAKER_ID + ") ON CONFLICT REPLACE)"); db.execSQL("CREATE TABLE " + Tables.MY_SCHEDULE + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + MySchedule.SESSION_ID + " TEXT NOT NULL " + References.SESSION_ID + "," + MySchedule.MY_SCHEDULE_ACCOUNT_NAME + " TEXT NOT NULL ," + MySchedule.MY_SCHEDULE_DIRTY_FLAG + " INTEGER NOT NULL DEFAULT 1," + MySchedule.MY_SCHEDULE_IN_SCHEDULE + " INTEGER NOT NULL DEFAULT 1," + "UNIQUE (" + MySchedule.SESSION_ID + "," + MySchedule.MY_SCHEDULE_ACCOUNT_NAME + ") ON CONFLICT REPLACE)"); db.execSQL("CREATE TABLE " + Tables.SESSIONS_SPEAKERS + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + SessionsSpeakers.SESSION_ID + " TEXT NOT NULL " + References.SESSION_ID + "," + SessionsSpeakers.SPEAKER_ID + " TEXT NOT NULL " + References.SPEAKER_ID + "," + "UNIQUE (" + SessionsSpeakers.SESSION_ID + "," + SessionsSpeakers.SPEAKER_ID + ") ON CONFLICT REPLACE)"); db.execSQL("CREATE TABLE " + Tables.SESSIONS_TAGS + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + SessionsTags.SESSION_ID + " TEXT NOT NULL " + References.SESSION_ID + "," + SessionsTags.TAG_ID + " TEXT NOT NULL " + References.TAG_ID + "," + "UNIQUE (" + SessionsTags.SESSION_ID + "," + SessionsTags.TAG_ID + ") ON CONFLICT REPLACE)"); db.execSQL("CREATE TABLE " + Tables.ANNOUNCEMENTS + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + SyncColumns.UPDATED + " INTEGER NOT NULL," + AnnouncementsColumns.ANNOUNCEMENT_ID + " TEXT," + AnnouncementsColumns.ANNOUNCEMENT_TITLE + " TEXT NOT NULL," + AnnouncementsColumns.ANNOUNCEMENT_ACTIVITY_JSON + " BLOB," + AnnouncementsColumns.ANNOUNCEMENT_URL + " TEXT," + AnnouncementsColumns.ANNOUNCEMENT_DATE + " INTEGER NOT NULL)"); db.execSQL("CREATE TABLE " + Tables.MAPTILES + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + MapTileColumns.TILE_FLOOR+ " INTEGER NOT NULL," + MapTileColumns.TILE_FILE+ " TEXT NOT NULL," + MapTileColumns.TILE_URL+ " TEXT NOT NULL," + "UNIQUE (" + MapTileColumns.TILE_FLOOR+ ") ON CONFLICT REPLACE)"); db.execSQL("CREATE TABLE " + Tables.FEEDBACK + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + SyncColumns.UPDATED + " INTEGER NOT NULL," + Sessions.SESSION_ID + " TEXT " + References.SESSION_ID + "," + FeedbackColumns.SESSION_RATING + " INTEGER NOT NULL," + FeedbackColumns.ANSWER_RELEVANCE + " INTEGER NOT NULL," + FeedbackColumns.ANSWER_CONTENT + " INTEGER NOT NULL," + FeedbackColumns.ANSWER_SPEAKER + " INTEGER NOT NULL," + FeedbackColumns.COMMENTS + " TEXT," + FeedbackColumns.SYNCED + " INTEGER NOT NULL DEFAULT 0)"); db.execSQL("CREATE TRIGGER " + Triggers.SESSIONS_FEEDBACK_DELETE + " AFTER DELETE ON " + Tables.SESSIONS + " BEGIN DELETE FROM " + Tables.FEEDBACK + " " + " WHERE " + Qualified.FEEDBACK_SESSION_ID + "=old." + Sessions.SESSION_ID + ";" + " END;"); db.execSQL("CREATE TABLE " + Tables.MAPMARKERS + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + MapMarkerColumns.MARKER_ID+ " TEXT NOT NULL," + MapMarkerColumns.MARKER_TYPE+ " TEXT NOT NULL," + MapMarkerColumns.MARKER_LATITUDE+ " DOUBLE NOT NULL," + MapMarkerColumns.MARKER_LONGITUDE+ " DOUBLE NOT NULL," + MapMarkerColumns.MARKER_LABEL+ " TEXT," + MapMarkerColumns.MARKER_FLOOR+ " INTEGER NOT NULL," + "UNIQUE (" + MapMarkerColumns.MARKER_ID + ") ON CONFLICT REPLACE)"); db.execSQL("CREATE TABLE " + Tables.HASHTAGS + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + HashtagColumns.HASHTAG_NAME + " TEXT NOT NULL," + HashtagColumns.HASHTAG_DESCRIPTION + " TEXT NOT NULL," + HashtagColumns.HASHTAG_COLOR + " INTEGER NOT NULL," + HashtagColumns.HASHTAG_ORDER + " INTEGER NOT NULL," + "UNIQUE (" + HashtagColumns.HASHTAG_NAME + ") ON CONFLICT REPLACE)"); db.execSQL("CREATE TABLE " + Tables.VIDEOS + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + VideoColumns.VIDEO_ID + " TEXT NOT NULL," + VideoColumns.VIDEO_YEAR + " INTEGER NOT NULL," + VideoColumns.VIDEO_TITLE + " TEXT," + VideoColumns.VIDEO_DESC + " TEXT," + VideoColumns.VIDEO_VID + " TEXT," + VideoColumns.VIDEO_TOPIC + " TEXT," + VideoColumns.VIDEO_SPEAKERS + " TEXT," + VideoColumns.VIDEO_THUMBNAIL_URL + " TEXT," + VideoColumns.VIDEO_IMPORT_HASHCODE + " TEXT NOT NULL," + "UNIQUE (" + VideoColumns.VIDEO_ID + ") ON CONFLICT REPLACE)"); // Full-text search index. Update using updateSessionSearchIndex method. // Use the porter tokenizer for simple stemming, so that "frustration" matches "frustrated." db.execSQL("CREATE VIRTUAL TABLE " + Tables.SESSIONS_SEARCH + " USING fts3(" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + SessionsSearchColumns.BODY + " TEXT NOT NULL," + SessionsSearchColumns.SESSION_ID + " TEXT NOT NULL " + References.SESSION_ID + "," + "UNIQUE (" + SessionsSearchColumns.SESSION_ID + ") ON CONFLICT REPLACE," + "tokenize=porter)"); // Search suggestions db.execSQL("CREATE TABLE " + Tables.SEARCH_SUGGEST + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + SearchManager.SUGGEST_COLUMN_TEXT_1 + " TEXT NOT NULL)"); // Session deletion triggers db.execSQL("CREATE TRIGGER " + Triggers.SESSIONS_TAGS_DELETE + " AFTER DELETE ON " + Tables.SESSIONS + " BEGIN DELETE FROM " + Tables.SESSIONS_TAGS + " " + " WHERE " + Qualified.SESSIONS_TAGS_SESSION_ID + "=old." + Sessions.SESSION_ID + ";" + " END;"); db.execSQL("CREATE TRIGGER " + Triggers.SESSIONS_SPEAKERS_DELETE + " AFTER DELETE ON " + Tables.SESSIONS + " BEGIN DELETE FROM " + Tables.SESSIONS_SPEAKERS + " " + " WHERE " + Qualified.SESSIONS_SPEAKERS_SESSION_ID + "=old." + Sessions.SESSION_ID + ";" + " END;"); db.execSQL("CREATE TRIGGER " + Triggers.SESSIONS_MY_SCHEDULE_DELETE + " AFTER DELETE ON " + Tables.SESSIONS + " BEGIN DELETE FROM " + Tables.MY_SCHEDULE + " " + " WHERE " + Tables.MY_SCHEDULE + "." + MySchedule.SESSION_ID + "=old." + Sessions.SESSION_ID + ";" + " END;"); upgradeAtoC(db); } private void upgradeAtoC(SQLiteDatabase db) { db.execSQL("CREATE TABLE " + Tables.EXPERTS + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " + SyncColumns.UPDATED + " INTEGER NOT NULL, " + ExpertsColumns.EXPERT_ID + " TEXT NOT NULL, " + ExpertsColumns.EXPERT_NAME + " TEXT, " + ExpertsColumns.EXPERT_IMAGE_URL + " TEXT, " + ExpertsColumns.EXPERT_TITLE + " TEXT, " + ExpertsColumns.EXPERT_ABSTRACT + " TEXT, " + ExpertsColumns.EXPERT_URL + " TEXT, " + ExpertsColumns.EXPERT_COUNTRY + " TEXT, " + ExpertsColumns.EXPERT_CITY + " TEXT, " + ExpertsColumns.EXPERT_ATTENDING + " BOOLEAN, " + ExpertsColumns.EXPERT_IMPORT_HASHCODE + " TEXT NOT NULL DEFAULT '', " + "UNIQUE (" + ExpertsColumns.EXPERT_ID + ") ON CONFLICT REPLACE)"); db.execSQL("CREATE TABLE " + Tables.PEOPLE_IVE_MET + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " + ScheduleContract.PeopleIveMetColumns.PERSON_ID + " TEXT NOT NULL, " + ScheduleContract.PeopleIveMetColumns.PERSON_TIMESTAMP + " INTEGER NOT NULL, " + ScheduleContract.PeopleIveMetColumns.PERSON_NAME + " TEXT, " + ScheduleContract.PeopleIveMetColumns.PERSON_IMAGE_URL + " TEXT, " + ScheduleContract.PeopleIveMetColumns.PERSON_NOTE + " TEXT, " + "UNIQUE (" + ScheduleContract.PeopleIveMetColumns.PERSON_ID + ") ON CONFLICT REPLACE)"); db.execSQL("CREATE TABLE " + Tables.PARTNERS + " (" + BaseColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT," + PartnersColumns.PARTNER_ID + " TEXT NOT NULL," + PartnersColumns.PARTNER_NAME + " TEXT NOT NULL," + PartnersColumns.PARTNER_DESC + " TEXT NOT NULL," + PartnersColumns.PARTNER_WEBSITE_URL + " TEXT NOT NULL," + PartnersColumns.PARTNER_LOGO_URL + " TEXT NOT NULL," + "UNIQUE (" + PartnersColumns.PARTNER_ID + ") ON CONFLICT REPLACE)"); } /** * Updates the session search index. This should be done sparingly, as the queries are rather * complex. */ static void updateSessionSearchIndex(SQLiteDatabase db) { db.execSQL("DELETE FROM " + Tables.SESSIONS_SEARCH); db.execSQL("INSERT INTO " + Qualified.SESSIONS_SEARCH + " SELECT s." + Sessions.SESSION_ID + ",(" // Full text body + Sessions.SESSION_TITLE + "||'; '||" + Sessions.SESSION_ABSTRACT + "||'; '||" + "IFNULL(GROUP_CONCAT(t." + Speakers.SPEAKER_NAME + ",' '),'')||'; '||" + "'')" + " FROM " + Tables.SESSIONS + " s " + " LEFT OUTER JOIN" // Subquery resulting in session_id, speaker_id, speaker_name + "(SELECT " + Sessions.SESSION_ID + "," + Qualified.SPEAKERS_SPEAKER_ID + "," + Speakers.SPEAKER_NAME + " FROM " + Tables.SESSIONS_SPEAKERS + " INNER JOIN " + Tables.SPEAKERS + " ON " + Qualified.SESSIONS_SPEAKERS_SPEAKER_ID + "=" + Qualified.SPEAKERS_SPEAKER_ID + ") t" // Grand finale + " ON s." + Sessions.SESSION_ID + "=t." + Sessions.SESSION_ID + " GROUP BY s." + Sessions.SESSION_ID); } @Override public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { LOGD(TAG, "onUpgrade() from " + oldVersion + " to " + newVersion); // Cancel any sync currently in progress Account account = AccountUtils.getActiveAccount(mContext); if (account != null) { LOGI(TAG, "Cancelling any pending syncs for account"); ContentResolver.cancelSync(account, ScheduleContract.CONTENT_AUTHORITY); } // Current DB version. We update this variable as we perform upgrades to reflect // the current version we are in. int version = oldVersion; // Indicates whether the data we currently have should be invalidated as a // result of the db upgrade. Default is true (invalidate); if we detect that this // is a trivial DB upgrade, we set this to false. boolean dataInvalidated = true; // Check if we can upgrade from release A to release C if (version == VER_2014_RELEASE_A) { // release A format can be upgraded to release C format LOGD(TAG, "Upgrading database from 2014 release A to 2014 release C."); upgradeAtoC(db); version = VER_2014_RELEASE_C; } LOGD(TAG, "After upgrade logic, at version " + version); // at this point, we ran out of upgrade logic, so if we are still at the wrong // version, we have no choice but to delete everything and create everything again. if (version != CUR_DATABASE_VERSION) { LOGW(TAG, "Upgrade unsuccessful -- destroying old data during upgrade"); db.execSQL("DROP TRIGGER IF EXISTS " + Triggers.SESSIONS_TAGS_DELETE); db.execSQL("DROP TRIGGER IF EXISTS " + Triggers.SESSIONS_SPEAKERS_DELETE); db.execSQL("DROP TRIGGER IF EXISTS " + Triggers.SESSIONS_FEEDBACK_DELETE); db.execSQL("DROP TRIGGER IF EXISTS " + Triggers.SESSIONS_MY_SCHEDULE_DELETE); db.execSQL("DROP TRIGGER IF EXISTS " + Triggers.DeprecatedTriggers.SESSIONS_TRACKS_DELETE); db.execSQL("DROP TABLE IF EXISTS " + Tables.BLOCKS); db.execSQL("DROP TABLE IF EXISTS " + Tables.ROOMS); db.execSQL("DROP TABLE IF EXISTS " + Tables.TAGS); db.execSQL("DROP TABLE IF EXISTS " + Tables.SESSIONS); db.execSQL("DROP TABLE IF EXISTS " + Tables.SPEAKERS); db.execSQL("DROP TABLE IF EXISTS " + Tables.MY_SCHEDULE); db.execSQL("DROP TABLE IF EXISTS " + Tables.SESSIONS_SPEAKERS); db.execSQL("DROP TABLE IF EXISTS " + Tables.SESSIONS_TAGS); db.execSQL("DROP TABLE IF EXISTS " + Tables.ANNOUNCEMENTS); db.execSQL("DROP TABLE IF EXISTS " + Tables.FEEDBACK); db.execSQL("DROP TABLE IF EXISTS " + Tables.SESSIONS_SEARCH); db.execSQL("DROP TABLE IF EXISTS " + Tables.SEARCH_SUGGEST); db.execSQL("DROP TABLE IF EXISTS " + Tables.MAPMARKERS); db.execSQL("DROP TABLE IF EXISTS " + Tables.MAPTILES); db.execSQL("DROP TABLE IF EXISTS " + Tables.EXPERTS); db.execSQL("DROP TABLE IF EXISTS " + Tables.HASHTAGS); db.execSQL("DROP TABLE IF EXISTS " + Tables.PEOPLE_IVE_MET); db.execSQL("DROP TABLE IF EXISTS " + Tables.VIDEOS); db.execSQL("DROP TABLE IF EXISTS " + Tables.PARTNERS); db.execSQL("DROP TABLE IF EXISTS " + Tables.DeprecatedTables.TRACKS); db.execSQL("DROP TABLE IF EXISTS " + Tables.DeprecatedTables.SESSIONS_TRACKS); db.execSQL("DROP TABLE IF EXISTS " + Tables.DeprecatedTables.SANDBOX); onCreate(db); version = CUR_DATABASE_VERSION; } if (dataInvalidated) { LOGD(TAG, "Data invalidated; resetting our data timestamp."); ConferenceDataHandler.resetDataTimestamp(mContext); if (account != null) { LOGI(TAG, "DB upgrade complete. Requesting resync."); SyncHelper.requestManualSync(account); } } } public static void deleteDatabase(Context context) { context.deleteDatabase(DATABASE_NAME); } }