CacheSchema.h

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#pragma once
 
const int SCHEMA_VERSION = 27;
 
#define SCHEMA_SQL                                                                              \
    "CREATE TABLE properties (key VARCHAR, value VARCHAR);"                                     \
    "CREATE TABLE stat_cache (path VARCHAR unique, stamp INT, sha VARCHAR);"                    \
                                                                                                \
    "CREATE TABLE positioned (type INT, ident VARCHAR collate nocase,"                          \
    "name VARCHAR collate nocase, airport INT64, lon FLOAT, lat FLOAT,"                         \
    "elev_m FLOAT, octree_node INT, cart_x FLOAT, cart_y FLOAT, cart_z FLOAT);"                 \
                                                                                                \
    "CREATE INDEX pos_octree ON positioned(octree_node);"                                       \
    "CREATE INDEX pos_ident ON positioned(ident collate nocase);"                               \
    "CREATE INDEX pos_name ON positioned(name collate nocase);"                                 \
    "CREATE INDEX pos_apt_type ON positioned(airport, type);"                                   \
                                                                                                \
    "CREATE TABLE airport (scenery_path VARCHAR, has_metar BOOL);"                              \
    "CREATE TABLE comm (freq_khz INT,range_nm INT);"                                            \
    "CREATE INDEX comm_freq ON comm(freq_khz);"                                                 \
                                                                                                \
    "CREATE TABLE runway (heading FLOAT, length_ft FLOAT, width_m FLOAT,"                       \
    "surface INT, displaced_threshold FLOAT,stopway FLOAT,reciprocal INT64,ils INT64);"         \
    "CREATE TABLE navaid (freq INT,range_nm INT,multiuse FLOAT, runway INT64,colocated INT64);" \
    "CREATE INDEX navaid_freq ON navaid(freq);"                                                 \
                                                                                                \
    "CREATE TABLE octree (children INT);"                                                       \
                                                                                                \
    "CREATE TABLE airway (ident VARCHAR collate nocase, network INT);"                          \
    "CREATE INDEX airway_ident ON airway(ident);"                                               \
                                                                                                \
    "CREATE TABLE airway_edge (network INT,airway INT64,a INT64,b INT64);"                      \
    "CREATE INDEX airway_edge_from ON airway_edge(a);"                                          \
    "CREATE INDEX airway_edge_to ON airway_edge(b);"
 
// this part is run for every new connection, including read-only connections
 
#define TEMPORARY_SCHEMA_SQL                                                          \
    "CREATE TEMPORARY TABLE temp_positioned (type INT, ident VARCHAR collate nocase," \
    "name VARCHAR collate nocase, airport INT64, lon FLOAT, lat FLOAT,"               \
    "elev_m FLOAT, octree_node INT, cart_x FLOAT, cart_y FLOAT, cart_z FLOAT);"       \
                                                                                      \
                                                                                      \
    "CREATE TEMPORARY VIEW all_positioned AS "                                        \
    "SELECT rowid AS guid, type, ident, name, airport, lon, lat,"                     \
    "elev_m, octree_node, cart_x, cart_y, cart_z FROM positioned "                    \
    "UNION ALL "                                                                      \
    "SELECT rowid AS guid, type, ident, name, airport, lon, lat,"                     \
    "elev_m, octree_node, cart_x, cart_y, cart_z FROM temp_positioned;"