/
db.go
56 lines (50 loc) 路 1.17 KB
/
db.go
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package model
import (
"database/sql"
"errors"
"fmt"
_ "github.com/mattn/go-sqlite3"
"log"
)
func InitDb(path string) (*sql.DB, error) {
log.Printf("[DEBUG] connecting to database at: %s", path)
db, err := sql.Open("sqlite3", path)
if err != nil {
return nil, err
}
versionRow := db.QueryRow("PRAGMA user_version")
if err != nil {
return nil, err
}
var version int
versionRow.Scan(&version)
log.Printf("[DEBUG] database version: %d", version)
if version > 1 {
msg := fmt.Sprintf("Got unknown database version: %d", version)
return nil, errors.New(msg)
}
if version == 0 {
log.Printf("[DEBUG] initializing database for the first time")
createStmt := `
CREATE TABLE bookmarks (
id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
url TEXT,
position INTEGER,
length INTEGER,
hash TEXT,
inode TEXT, -- uint64
mtime INTEGER,
finished INTEGER, -- boolean
created INTEGER,
updated INTEGER
);
PRAGMA user_version = 1;
`
_, err = db.Exec(createStmt)
if err != nil {
return nil, err
}
version = 1
}
return db, nil
}