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package backend
import (
"database/sql"
"log"
)
// InitStarsTable initialises the stars table
func InitStarsTable(db *sql.DB) {
var query = `CREATE TABLE IF NOT EXISTS public.stars
(
star_id bigserial,
x numeric,
y numeric,
vx numeric,
vy numeric,
m numeric,
PRIMARY KEY (star_id)
) WITH (
OIDS = FALSE
);
ALTER TABLE public.stars OWNER to postgres;`
log.Println(query)
_, err := db.Exec(query)
if err != nil {
log.Fatalf("[ E ] InitNodesTable query: %v \n\t\t\tquery: %s\n", err, query)
}
log.Println("DONE")
}
// InitNodesTable initialises the nodes table
func InitNodesTable(db *sql.DB) {
var query = `CREATE TABLE IF NOT EXISTS public.nodes
(
node_id bigserial NOT NULL,
box_width numeric,
total_mass numeric DEFAULT 0,
depth integer,
timestep integer,
star_id bigint DEFAULT 0,
root_id bigint DEFAULT 0,
isleaf boolean,
box_center numeric[],
center_of_mass numeric[] DEFAULT '{0,0}'::numeric[],
subnode bigint[] DEFAULT '{0,0,0,0}'::bigint[],
PRIMARY KEY (node_id)
) WITH (
OIDS = FALSE
);
ALTER TABLE public.nodes OWNER to postgres;`
log.Println(query)
_, err := db.Exec(query)
if err != nil {
log.Fatalf("[ E ] InitNodesTable query: %v \n\t\t\tquery: %s\n", err, query)
}
}
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