/// <summary> /// Initializes a new connection to PostGIS /// </summary> /// <param name="connectionString">Connectionstring</param> /// <param name="tablename">Name of data table</param> /// <param name="objectIdColumnName">Name of column with unique identifier</param> public PostGIS(string connectionString, string tablename, string objectIdColumnName) : this(connectionString, tablename, "", objectIdColumnName) { int srid; GeometryColumn = GetGeometryColumn(out srid); SRID = srid; if (!string.IsNullOrEmpty(GeometryColumn)) { _postGisSpatialObject = GetSpatialObjectType(); SRID = GetGeometrySrid(); } }
/// <summary> /// Initializes a new connection to PostGIS /// </summary> /// <param name="connectionString">Connectionstring</param> /// <param name="tablename">Name of data table</param> /// <param name="geometryColumnName">Name of geometry column</param> /// <param name="objectIdColumnName">Name of column with unique identifier</param> public PostGIS(string connectionString, string tablename, string geometryColumnName, string objectIdColumnName) { ConnectionString = connectionString; Table = tablename; GeometryColumn = geometryColumnName; if (!string.IsNullOrEmpty(geometryColumnName)) { _postGisSpatialObject = GetSpatialObjectType(); SRID = GetGeometrySrid(); } ObjectIdColumn = objectIdColumnName; _postGisVersion = GetPostGISVersion(); _supportSTIntersects = _postGisVersion >= 1.3; _supportSTMakeBox2d = _postGisVersion >= 1.4; _supportSTMakeEnvelope = _postGisVersion >= 2.0; if (_postGisVersion >= 1.5) { _prefixFunction = "ST_"; } }
/// <summary> /// Initializes a new connection to PostGIS /// </summary> /// <param name="connectionString">Connectionstring</param> /// <param name="tablename">Name of data table</param> /// <param name="geometryColumnName">Name of geometry column</param> /// <param name="objectIdColumnName">Name of column with unique identifier</param> public PostGIS(string connectionString, string tablename, string geometryColumnName, string objectIdColumnName) { ConnectionString = connectionString; Table = tablename; GeometryColumn = geometryColumnName; if (!string.IsNullOrEmpty(geometryColumnName)) { _postGisSpatialObject = GetSpatialObjectType(); SRID = GetGeometrySrid(); } ObjectIdColumn = objectIdColumnName; _postGisVersion = GetPostGISVersion(); _supportSTIntersects = _postGisVersion >= 1.3; _supportSTMakeBox2d = _postGisVersion >= 1.4; _supportSTMakeEnvelope = _postGisVersion >= 2.0; if (_postGisVersion >= 1.5) _prefixFunction = "ST_"; }