INSERT INTO "geometry_columns" 
(f_table_name, f_geometry_column, type, coord_dimension, srid, spatial_index_enabled) 
VALUES
("lines_help", "geometry", "LINESTRING", 2, 0, 0)



CREATE TABLE lines_main (
PK_UID INTEGER PRIMARY KEY AUTOINCREMENT,
layer_id INTEGER,
length DOUBLE,
geometry GEOMETRY)


INSERT INTO "geometry_columns" 
(f_table_name, f_geometry_column, type, coord_dimension, srid, spatial_index_enabled) 
VALUES
("lines_main", "geometry", "LINESTRING", 2, 0, 0)
