91 lines
1.9 KiB
Go
91 lines
1.9 KiB
Go
package db
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import (
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"database/sql"
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"log/slog"
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"vctp/db/queries"
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//_ "github.com/tursodatabase/libsql-client-go/libsql"
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"github.com/jmoiron/sqlx"
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_ "modernc.org/sqlite"
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)
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type LocalDB struct {
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logger *slog.Logger
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db *sqlx.DB
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queries *queries.Queries
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}
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type DB struct {
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writeDB *sql.DB
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readDB *sql.DB
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}
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var _ Database = (*LocalDB)(nil)
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func (d *LocalDB) DB() *sqlx.DB {
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return d.db
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}
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func (d *LocalDB) Queries() *queries.Queries {
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return d.queries
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}
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func (d *LocalDB) Logger() *slog.Logger {
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return d.logger
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}
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func (d *LocalDB) Close() error {
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return d.db.Close()
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}
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func newLocalDB(logger *slog.Logger, path string) (*LocalDB, error) {
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// TODO - work out if https://kerkour.com/sqlite-for-servers is possible without using sqlx
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/*
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writeDB, err := sql.Open("sqlite3", "file:"+path)
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if err != nil {
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logger.Error("can't create writedb connection", "error", err)
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return nil, err
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}
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writeDB.SetMaxOpenConns(1)
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readDB, err := sql.Open("sqlite3", "file:"+path)
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if err != nil {
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logger.Error("can't create readdb connection", "error", err)
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return nil, err
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}
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readDB.SetMaxOpenConns(max(4, runtime.NumCPU()))
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*/
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//db, err := sql.Open("libsql", "file:"+path)
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db, err := sqlx.Open("sqlite", "file:"+path)
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if err != nil {
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logger.Error("can't open database connection", "error", err)
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return nil, err
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}
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db.SetMaxOpenConns(1)
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// Execute PRAGMA commands
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pragmas := []string{
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"PRAGMA journal_mode = WAL;",
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"PRAGMA busy_timeout = 5000;",
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"PRAGMA synchronous = NORMAL;",
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"PRAGMA cache_size = 1000000000;",
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"PRAGMA foreign_keys = true;",
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"PRAGMA temp_store = MEMORY;",
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}
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for _, pragma := range pragmas {
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_, err := db.Exec(pragma)
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if err != nil {
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logger.Error("failed to execute pragma statement", "stmt", pragma, "error", err)
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return nil, err
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}
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}
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return &LocalDB{logger: logger, db: db, queries: queries.New(db)}, nil
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}
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