get_new_queries.h File Reference

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions
char	estimate_drivingSide (char driving_side)
void	get_new_queries (char *edges_sql, char *points_sql, char **edges_of_points_query, char **edges_no_points_query)

Function Documentation

estimate_drivingSide()

char estimate_drivingSide

(

char

driving_side

)

Definition at line 36 of file get_new_queries.cpp.

                                        {
    char d_side = static_cast<char>(tolower(driving_side));
    if (!((d_side == 'r')
                || (d_side == 'l'))) {
        d_side = 'b';
    }
    return d_side;
}

Referenced by process().

get_new_queries()

void get_new_queries	(	char *	edges_sql,
		char *	points_sql,
		char **	edges_of_points_query,
		char **	edges_no_points_query
	)

Definition at line 46 of file get_new_queries.cpp.

                                      {
    std::ostringstream edges_of_points_sql;
    std::ostringstream edges_no_points_sql;
 
    edges_of_points_sql << "WITH "
        << " edges AS (" << edges_sql << "), "
        << " points AS (" << points_sql << ")"
        << " SELECT DISTINCT edges.* FROM edges JOIN points ON (id = edge_id)";
    *edges_of_points_query = pgr_msg(edges_of_points_sql.str().c_str());
 
    edges_no_points_sql << "WITH "
        << " edges AS (" << edges_sql << "), "
        << " points AS (" << points_sql << ")"
        << " SELECT edges.*"
        << " FROM edges"
        << " WHERE NOT EXISTS (SELECT edge_id FROM points WHERE id = edge_id)";
    *edges_no_points_query = pgr_msg(edges_no_points_sql.str().c_str());
}

References pgr_msg().

Referenced by process().