/*
* Geopaparazzi - Digital field mapping on Android based devices
* Copyright (C) 2010 HydroloGIS (www.hydrologis.com)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package eu.geopaparazzi.spatialite.database.spatial.core.daos;
import eu.geopaparazzi.library.database.GPLog;
import eu.geopaparazzi.spatialite.database.spatial.core.enums.SpatialiteDatabaseType;
import jsqlite.Database;
import jsqlite.Stmt;
/**
* Created by hydrologis on 18/07/14.
*/
public class SPL_Views {
/**
* Get the Primary key of the SpatialView and read_only parameter.
* - check if writable Views has at least 3 triggers, set to read only if not
*
* @param database the db to use.
* @param table_name the view of the db to use.
* @param databaseType SPATIALITE4 for version of spatialite that have a 'read_only' field.
* @return formatted version for map.key
* @throws jsqlite.Exception if something goes wrong.
*/
public static String getViewRowid(Database database, String table_name, SpatialiteDatabaseType databaseType)
throws jsqlite.Exception {
String s_sql = "SELECT view_rowid,read_only FROM views_geometry_columns WHERE (view_name='" + table_name + "')";
if (databaseType == SpatialiteDatabaseType.SPATIALITE3)
s_sql = "SELECT view_rowid FROM views_geometry_columns WHERE (view_name='" + table_name + "')";
String ROWID_PK = "";
Stmt statement = null;
try {
statement = database.prepare(s_sql);
if ((statement != null) && (statement.column_count()) > 0) {
if (statement.step()) {
ROWID_PK = statement.column_string(0);
int i_read_only = 0;
if ((databaseType == SpatialiteDatabaseType.SPATIALITE4) && (statement.column_count() > 1)) {
i_read_only = statement.column_int(1);
// it is not possible to check the validity of the triggers
if (i_read_only == 1) {
// there must be at least 3 triggers, the view CANNOT be writable
if (DatabaseCreationAndProperties.spatialiteCountTriggers(database, table_name, databaseType) < 3) {
i_read_only = 0;
}
}
}
ROWID_PK = ROWID_PK + ";" + i_read_only;
}
}
} catch (jsqlite.Exception e_stmt) {
GPLog.error("DAOSPATIALIE", "getViewRowid[" + databaseType + "] sql[" + s_sql + "] db[" + database.getFilename() + "]",
e_stmt);
} finally {
if (statement != null)
statement.close();
}
return ROWID_PK;
}
}