use rusqlite::Connection;
use super::admin_levels::admin_geometry;
const SQL_CREATE: &str = "
CREATE TABLE IF NOT EXISTS house_numbers (
id INTEGER PRIMARY KEY AUTOINCREMENT,
node_id INTEGER NOT NULL UNIQUE,
admin_level_id INTEGER NOT NULL REFERENCES admin_levels(id) ON DELETE CASCADE,
number VARCHAR(12) NOT NULL,
wkb BLOB,
strategy INTEGER NOT NULL
);
";
const SQL_CREATE_INDEXES: &str = "
CREATE INDEX IF NOT EXISTS house_numbers_search_by_admin_level_id ON house_numbers(admin_level_id);
";
const SQL_DROP: &str = "DROP TABLE IF EXISTS house_numbers;";
impl_table_ops!(pub(super), SQL_CREATE, SQL_DROP);
const SQL_STREETS_WITH_GEOMETRY: &str = "
SELECT id, name, wkb
FROM admin_levels
WHERE admin_level = 12
AND wkb IS NOT NULL;
";
const SQL_LOAD_ALL_CANDIDATES: &str = "
WITH raw AS (
SELECT
id,
TRIM({number_select}) AS number,
{street_select} AS addr_street,
CAST(payload->>'lon' AS REAL) AS lon,
CAST(payload->>'lat' AS REAL) AS lat
FROM osm_data.osm_nodes
WHERE {number_select} IS NOT NULL
)
SELECT
id,
CASE
WHEN SUBSTR(number, -1, 1) GLOB '[A-Za-z]'
AND (SUBSTR(number, -2, 1) = ' ' OR SUBSTR(number, -2, 1) = '-')
AND SUBSTR(number, 1, LENGTH(number) - 2) <> ''
AND SUBSTR(number, 1, LENGTH(number) - 2) NOT GLOB '*[^0-9]*'
THEN SUBSTR(number, 1, LENGTH(number) - 2) || UPPER(SUBSTR(number, -1, 1))
WHEN SUBSTR(number, -1, 1) GLOB '[A-Za-z]'
AND SUBSTR(number, 1, LENGTH(number) - 1) <> ''
AND SUBSTR(number, 1, LENGTH(number) - 1) NOT GLOB '*[^0-9]*'
THEN SUBSTR(number, 1, LENGTH(number) - 1) || UPPER(SUBSTR(number, -1, 1))
ELSE number
END AS number,
addr_street,
lon,
lat
FROM raw
WHERE number <> ''
{drop_clause}
";
const SQL_INSERT: &str = "
INSERT OR IGNORE INTO house_numbers (
node_id,
admin_level_id,
number,
wkb,
strategy
) VALUES (
?1,
?2,
?3,
?4,
?5
);
";
pub struct house_numbers {
pub node_id: u64,
pub admin_level_id: i64,
pub number: String,
pub wkb: admin_geometry,
pub strategy: u8,
}
pub fn create_indexes(conn: &Connection) {
conn
.execute_batch(SQL_CREATE_INDEXES)
.expect("failed to create house_numbers indexes");
}
const SQL_DROP_INDEXES: &str = "
DROP INDEX IF EXISTS house_numbers_search_by_admin_level_id;
";
pub fn drop_indexes(conn: &Connection) {
conn
.execute_batch(SQL_DROP_INDEXES)
.expect("failed to drop house_numbers indexes");
}
pub struct street_meta_row {
pub id: i64,
pub name: String,
pub cx: f64,
pub cy: f64,
}
pub fn streets_with_centroid(conn: &Connection) -> Vec<street_meta_row> {
let mut stmt = conn
.prepare(SQL_STREETS_WITH_GEOMETRY)
.expect("failed to prepare streets with geometry");
stmt
.query_map([], |row| {
let id: i64 = row.get(0)?;
let name: String = row.get(1)?;
let blob: Vec<u8> = row.get(2)?;
Ok((id, name, blob))
})
.expect("failed to query streets")
.filter_map(|r| {
let (id, name, blob) = r.expect("failed to read street meta row");
let (cx, cy) = super::admin_levels::mbr_center(&blob)?;
Some(street_meta_row { id, name, cx, cy })
})
.collect()
}
pub struct street_wkb_row {
pub id: i64,
pub wkb: admin_geometry,
}
pub fn streets_wkb_by_ids(conn: &Connection, ids: &[i64]) -> Vec<street_wkb_row> {
if ids.is_empty() {
return vec![];
}
let placeholders = ids.iter().map(|_| "?").collect::<Vec<_>>().join(",");
let sql =
format!("SELECT id, wkb FROM admin_levels WHERE id IN ({placeholders}) AND wkb IS NOT NULL");
let params: Vec<rusqlite::types::Value> = ids
.iter()
.map(|&id| rusqlite::types::Value::Integer(id))
.collect();
let mut stmt = conn
.prepare(&sql)
.expect("failed to prepare streets wkb by ids");
stmt
.query_map(rusqlite::params_from_iter(params.iter()), |row| {
Ok(street_wkb_row {
id: row.get(0)?,
wkb: row.get(1)?,
})
})
.expect("failed to query streets wkb")
.map(|r| r.expect("failed to read street wkb row"))
.collect()
}
pub struct candidate_row {
pub id: u64,
pub number: String,
pub addr_street: Option<String>,
pub lon: f64,
pub lat: f64,
}
pub fn load_all_candidates(
conn: &Connection,
housenumber_tags: &[&str],
street_tags: &[&str],
drop_values: &[&str],
) -> Vec<candidate_row> {
debug_assert!(!housenumber_tags.is_empty(), "housenumber_tags must not be empty");
let number_select = super::build_name_select("payload", housenumber_tags);
let street_select = super::build_name_select("payload", street_tags);
let drop_clause = if drop_values.is_empty() {
String::new()
} else {
let placeholders = drop_values.iter().map(|_| "?").collect::<Vec<_>>().join(", ");
format!("AND LOWER(number) NOT IN ({placeholders})")
};
let sql = SQL_LOAD_ALL_CANDIDATES
.replace("{number_select}", &number_select)
.replace("{street_select}", &street_select)
.replace("{drop_clause}", &drop_clause);
let params: Vec<rusqlite::types::Value> = drop_values
.iter()
.map(|d| rusqlite::types::Value::Text(d.to_lowercase()))
.collect();
let mut stmt = conn
.prepare(&sql)
.expect("failed to prepare load all candidates");
stmt
.query_map(rusqlite::params_from_iter(params.iter()), |row| {
Ok(candidate_row {
id: row.get(0)?,
number: row.get(1)?,
addr_street: row.get(2)?,
lon: row.get(3)?,
lat: row.get(4)?,
})
})
.expect("failed to query candidates")
.map(|r| r.expect("failed to read candidate row"))
.collect()
}
pub struct hn_for_street {
pub admin_level_id: i64,
pub number: String,
pub wkb: Option<admin_geometry>,
}
pub fn by_admin_level_ids(conn: &Connection, ids: &[i64]) -> Vec<hn_for_street> {
if ids.is_empty() {
return vec![];
}
let placeholders = ids.iter().map(|_| "?").collect::<Vec<_>>().join(",");
let sql = format!(
"SELECT admin_level_id, number, wkb
FROM house_numbers WHERE admin_level_id IN ({placeholders})"
);
let params: Vec<rusqlite::types::Value> = ids
.iter()
.map(|&id| rusqlite::types::Value::Integer(id))
.collect();
let mut stmt = conn
.prepare(&sql)
.expect("failed to prepare by_admin_level_ids");
stmt
.query_map(rusqlite::params_from_iter(params.iter()), |row| {
Ok(hn_for_street {
admin_level_id: row.get(0)?,
number: row.get(1)?,
wkb: row.get(2)?,
})
})
.expect("failed to query by_admin_level_ids")
.map(|r| r.expect("failed to read hn_for_street row"))
.collect()
}
pub fn batch_insert(conn: &Connection, rows: &[house_numbers]) -> i64 {
if rows.is_empty() {
return 0;
}
let tx = conn
.unchecked_transaction()
.expect("failed to begin transaction");
let mut total: i64 = 0;
{
let mut stmt = tx
.prepare(SQL_INSERT)
.expect("failed to prepare house_numbers insert");
for row in rows {
let changes = stmt
.execute(rusqlite::params![
row.node_id,
row.admin_level_id,
row.number,
row.wkb,
row.strategy,
])
.expect("failed to insert house_number");
total += changes as i64;
}
}
tx.commit().expect("failed to commit");
total
}
#[cfg(test)]
#[path = "house_numbers.test.rs"]
mod tests;