upgrading to SpatiaLite 2.4.0-RC4

git-svn-id: http://svn.osgeo.org/qgis/trunk@14763 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: esseffe

AUTHORS

@@ -40,3 +40,4 @@ Carson J. Q. Farmer	<carson dot farmer at gmail dot com>
 Lorenzo Masini	<lorenxo86 at gmail.com>
 Werner Macho	<werner.macho at gmail.com>
 Giuseppe Sucameli	<brush.tyler at gmail.com>
+Alessandro Furieri	<a.furieri at lqt.it>

debian/copyright

@@ -38,6 +38,7 @@ reported:
 	Lorenzo Masini		<lorenxo86 at gmail.com>
 	Werner Macho		<werner.macho at gmail.com>
 	Giuseppe Sucameli	<brush.tyler at gmail.com>
+	Alessandro Furieri	<a.furieri at lqt.it>
 
 Copyright:
 

python/core/qgsapplication.sip

@@ -139,10 +139,6 @@ static void qtgui_UpdatePyArgv(PyObject *argvlist, int argc, char **argv)
     //! Returns the path to the master qgis.db file.
     static const QString qgisMasterDbFilePath();
 
-    //! Returns the path to the spatialite template db file.
-    //! @note added in 1.5
-    static const QString qgisSpatialiteDbTemplatePath();
-
     //! Returns the path to the settings directory in user's home dir
     static const QString qgisSettingsDirPath();
 

src/app/qgsnewspatialitelayerdialog.cpp

@@ -187,9 +187,57 @@ void QgsNewSpatialiteLayerDialog::on_pbnFindSRID_clicked()
   }
 }
 
+void QgsNewSpatialiteLayerDialog::initializeSpatialMetadata(sqlite3 *sqlite_handle)
+{
+// attempting to perform self-initialization for a newly created DB
+  int ret;
+  char sql[1024];
+  char *errMsg = NULL;
+  int count;
+  int i;
+  char **results;
+  int rows;
+  int columns;
+
+  if (sqlite_handle == NULL)
+    return;
+  // checking if this DB is really empty 
+  strcpy(sql, "SELECT Count(*) from sqlite_master");
+  ret = sqlite3_get_table(sqlite_handle, sql, &results, &rows, &columns, NULL);
+  if (ret != SQLITE_OK)
+    return;
+  if (rows < 1)
+    ;
+  else
+  {
+      for (i = 1; i <= rows; i++)
+        count = atoi(results[(i * columns) + 0]);
+  }
+  sqlite3_free_table(results);
+
+  if (count > 0)
+    return;
+
+  // all right, it's empty: proceding to initialize
+  strcpy(sql, "SELECT InitSpatialMetadata()");
+  ret = sqlite3_exec(sqlite_handle, sql, NULL, NULL, &errMsg);
+  if (ret != SQLITE_OK)
+  {
+    QString errCause = tr( "Unable to initialize SpatialMetedata:\n" );
+    errCause += QString::fromUtf8(errMsg);
+    QMessageBox::warning( 0, tr( "SpatiaLite Database" ), errCause );
+    sqlite3_free(errMsg);
+    return;
+  }
+  spatial_ref_sys_init(sqlite_handle, 0);
+}
+
 bool QgsNewSpatialiteLayerDialog::createDb()
 {
   QSettings settings;
+  int ret;
+  sqlite3 *sqlite_handle;
+  char *errMsg = NULL;
 
   if ( mDatabaseComboBox->currentText().isEmpty() )
     return false;
@@ -199,26 +247,41 @@ bool QgsNewSpatialiteLayerDialog::createDb()
   {
     QgsDebugMsg( "creating a new db" );
 
-    // copy the spatilite template to the user specified path
-    QString spatialiteTemplate = QgsApplication::qgisSpatialiteDbTemplatePath();
-    QFile spatialiteTemplateDb( spatialiteTemplate );
-
     QFileInfo fullPath = QFileInfo( mDatabaseComboBox->currentText() );
     QDir path = fullPath.dir();
     QgsDebugMsg( QString( "making this dir: %1" ).arg( path.absolutePath() ) );
 
     // Must be sure there is destination directory ~/.qgis
     QDir().mkpath( path.absolutePath( ) );
 
-    QgsDebugMsg( QString( "Copying %1 to %2" ).arg( spatialiteTemplate ).arg( newDb.fileName() ) );
-
-    //now copy the template db file into the chosen location
-    if ( !spatialiteTemplateDb.copy( newDb.fileName() ) )
+    // creating/opening the new database
+    QString dbPath = newDb.fileName();
+    spatialite_init(0);
+    ret = sqlite3_open_v2(dbPath.toUtf8().constData(), &sqlite_handle, SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE, NULL);
+    if (ret)
+    {
+    // an error occurred
+      QString errCause = tr( "Could not create a new database\n" );
+      errCause += QString::fromUtf8(sqlite3_errmsg(sqlite_handle));
+      sqlite3_close(sqlite_handle);
+	  QMessageBox::warning( 0, tr( "SpatiaLite Database" ), errCause );
+      pbnFindSRID->setEnabled( false );
+      return false;
+    }
+    // activating Foreign Key constraints
+    ret = sqlite3_exec(sqlite_handle, "PRAGMA foreign_keys = 1", NULL, 0, &errMsg);
+    if (ret != SQLITE_OK)
     {
-      QMessageBox::warning( 0, tr( "SpatiaLite Database" ), tr( "Could not copy the template database to new location" ) );
+      QMessageBox::warning( 0, tr( "SpatiaLite Database" ), tr( "Unable to activate FOREIGN_KEY constraints" ) );
+      sqlite3_free(errMsg);
+	  sqlite3_close(sqlite_handle);
       pbnFindSRID->setEnabled( false );
       return false;
     }
+    initializeSpatialMetadata(sqlite_handle);
+	
+    // all done: closing the DB connection
+    sqlite3_close(sqlite_handle);
   }
 
   QFileInfo fi( newDb );

src/app/qgsnewspatialitelayerdialog.h

@@ -59,6 +59,9 @@ class QgsNewSpatialiteLayerDialog: public QDialog, private Ui::QgsNewSpatialiteL
     /** Create a new database */
     bool createDb();
 
+    /** Initializes SpatialMetadata db-tables */
+    void initializeSpatialMetadata( sqlite3 *sqlite_handle );
+
     static QString quotedIdentifier( QString id );
     static QString quotedValue( QString value );
 };

src/core/qgsapplication.cpp

@@ -277,14 +277,6 @@ const QString QgsApplication::qgisMasterDbFilePath()
   return mPkgDataPath + QString( "/resources/qgis.db" );
 }
 
-/*!
-  Returns the path to the spatialite template db file.
-*/
-const QString QgsApplication::qgisSpatialiteDbTemplatePath()
-{
-  return mPkgDataPath + QString( "/resources/spatialite.db" );
-}
-
 /*!
   Returns the path to the settings directory in user's home dir
  */

src/core/qgsapplication.h

@@ -90,10 +90,6 @@ class CORE_EXPORT QgsApplication: public QApplication
     //! Returns the path to the master qgis.db file.
     static const QString qgisMasterDbFilePath();
 
-    //! Returns the path to the spatialite template db file.
-    //! @note added in 1.5
-    static const QString qgisSpatialiteDbTemplatePath();
-
     //! Returns the path to the settings directory in user's home dir
     static const QString qgisSettingsDirPath();
 

src/core/spatialite/headers/spatialite.h

@@ -57,18 +57,23 @@ extern "C"
 #endif
 
     SPATIALITE_DECLARE const char *spatialite_version (void);
-    SPATIALITE_DECLARE const char *virtualtext_version (void);
     SPATIALITE_DECLARE void spatialite_init (int verbose);
     SPATIALITE_DECLARE int dump_shapefile (sqlite3 * sqlite, char *table,
 					   char *column, char *charset,
 					   char *shp_path, char *geom_type,
 					   int verbose, int *rows);
     SPATIALITE_DECLARE int load_shapefile (sqlite3 * sqlite, char *shp_path,
 					   char *table, char *charset, int srid,
-					   char *column, int verbose,
+					   char *column, int coerce2d,
+					   int compressed, int verbose,
 					   int *rows);
+    SPATIALITE_DECLARE int load_dbf (sqlite3 * sqlite, char *shp_path,
+				     char *table, char *charset, int verbose,
+				     int *rows);
     SPATIALITE_DECLARE double math_round (double value);
     SPATIALITE_DECLARE sqlite3_int64 math_llabs (sqlite3_int64 value);
+    SPATIALITE_DECLARE void spatial_ref_sys_init (sqlite3 * sqlite,
+						  int verbose);
 
 #ifdef __cplusplus
 }

src/core/spatialite/headers/spatialite/gaiaaux.h

@@ -58,11 +58,9 @@ extern "C"
 
 /* function prototipes */
 
-    GAIAAUX_DECLARE const char *gaiaGetLocaleCharset ();
+    GAIAAUX_DECLARE const char *gaiaGetLocaleCharset (void);
     GAIAAUX_DECLARE int gaiaConvertCharset (char **buf, const char *fromCs,
 					    const char *toCs);
-    GAIAAUX_DECLARE int gaiaToUTF8 (char **buf, const char *fromCs,
-				    const char *toCs);
     GAIAAUX_DECLARE void *gaiaCreateUTF8Converter (const char *fromCS);
     GAIAAUX_DECLARE void gaiaFreeUTF8Converter (void *cvtCS);
     GAIAAUX_DECLARE char *gaiaConvertToUTF8 (void *cvtCS, const char *buf,

src/core/spatialite/headers/spatialite/gaiaexif.h

@@ -67,7 +67,6 @@ extern "C"
 #define GAIA_PDF_BLOB		7
 #define GAIA_GEOMETRY_BLOB	8
 #define GAIA_TIFF_BLOB		9
-#define GAIA_WAVELET_BLOB	10
 
 /* constants used for EXIF value types */
 #define GAIA_EXIF_NONE		0