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Clear the economy database when creating it.

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This commit is contained in:
Avi Weinstock 2021-05-28 16:14:31 -04:00
parent 3684cf0454
commit 5380fc4eac
1 changed files with 9 additions and 6 deletions
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15
world/examples/pricing_csv.rs
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@ -70,19 +70,21 @@ fn economy_sqlite(world: &World, index: &Index) -> Result<(), Box<dyn Error>> {
let conn = Connection::open("economy.sqlite")?;
#[rustfmt::skip]
conn.execute_batch("
CREATE TABLE IF NOT EXISTS site (
DROP TABLE IF EXISTS site;
CREATE TABLE site (
xcoord INTEGER NOT NULL,
ycoord INTEGER NUT NULL,
name TEXT NOT NULL
);
CREATE UNIQUE INDEX IF NOT EXISTS site_position ON site(xcoord, ycoord);
CREATE TABLE IF NOT EXISTS site_price (
CREATE UNIQUE INDEX site_position ON site(xcoord, ycoord);
DROP TABLE IF EXISTS site_price;
CREATE TABLE site_price (
xcoord INTEGER NOT NULL,
ycoord INTEGER NOT NULL,
good TEXT NOT NULL,
price REAL NOT NULL
);
CREATE UNIQUE INDEX IF NOT EXISTS site_good on site_price(xcoord, ycoord, good);
CREATE UNIQUE INDEX site_good on site_price(xcoord, ycoord, good);
")?;
let mut all_goods = Vec::new();
for good in Good::iter() {
@ -115,10 +117,11 @@ fn economy_sqlite(world: &World, index: &Index) -> Result<(), Box<dyn Error>> {
#[rustfmt::skip]
let create_view = format!("
CREATE VIEW IF NOT EXISTS site_price_tr (xcoord, ycoord {})
DROP VIEW IF EXISTS site_price_tr;
CREATE VIEW site_price_tr (xcoord, ycoord {})
AS SELECT xcoord, ycoord {}
FROM site NATURAL JOIN site_price
GROUP BY xcoord, ycoord
GROUP BY xcoord, ycoord;
", good_columns, good_exprs);
conn.execute_batch(&create_view)?;
let mut insert_price_stmt = conn