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[experiment] add alternative wasm sqlite3 implementation available via build-tag (#2863)

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This allows for building GoToSocial with [SQLite transpiled to WASM](https://github.com/ncruces/go-sqlite3) and accessed through [Wazero](https://wazero.io/).
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kim 2024-05-27 15:46:15 +00:00 • committed by GitHub
commit 1e7b32490d
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398 changed files with 86174 additions and 684 deletions
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25
internal/db/bundb/bundb.go
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@ -48,8 +48,6 @@ import (
"github.com/uptrace/bun/dialect/pgdialect"
"github.com/uptrace/bun/dialect/sqlitedialect"
"github.com/uptrace/bun/migrate"
"modernc.org/sqlite"
)
// DBService satisfies the DB interface
@ -133,12 +131,12 @@ func NewBunDBService(ctx context.Context, state *state.State) (db.DB, error) {
switch t {
case "postgres":
db, err = pgConn(ctx, state)
db, err = pgConn(ctx)
if err != nil {
return nil, err
}
case "sqlite":
db, err = sqliteConn(ctx, state)
db, err = sqliteConn(ctx)
if err != nil {
return nil, err
}
@ -295,7 +293,7 @@ func NewBunDBService(ctx context.Context, state *state.State) (db.DB, error) {
return ps, nil
}
func pgConn(ctx context.Context, state *state.State) (*bun.DB, error) {
func pgConn(ctx context.Context) (*bun.DB, error) {
opts, err := deriveBunDBPGOptions() //nolint:contextcheck
if err != nil {
return nil, fmt.Errorf("could not create bundb postgres options: %w", err)
@ -326,7 +324,7 @@ func pgConn(ctx context.Context, state *state.State) (*bun.DB, error) {
return db, nil
}
func sqliteConn(ctx context.Context, state *state.State) (*bun.DB, error) {
func sqliteConn(ctx context.Context) (*bun.DB, error) {
// validate db address has actually been set
address := config.GetDbAddress()
if address == "" {
@ -339,9 +337,6 @@ func sqliteConn(ctx context.Context, state *state.State) (*bun.DB, error) {
// Open new DB instance
sqldb, err := sql.Open("sqlite-gts", address)
if err != nil {
if errWithCode, ok := err.(*sqlite.Error); ok {
err = errors.New(sqlite.ErrorCodeString[errWithCode.Code()])
}
return nil, fmt.Errorf("could not open sqlite db with address %s: %w", address, err)
}
@ -356,11 +351,9 @@ func sqliteConn(ctx context.Context, state *state.State) (*bun.DB, error) {
// ping to check the db is there and listening
if err := db.PingContext(ctx); err != nil {
if errWithCode, ok := err.(*sqlite.Error); ok {
err = errors.New(sqlite.ErrorCodeString[errWithCode.Code()])
}
return nil, fmt.Errorf("sqlite ping: %w", err)
}
log.Infof(ctx, "connected to SQLITE database with address %s", address)
return db, nil
@ -528,12 +521,8 @@ func buildSQLiteAddress(addr string) string {
// Use random name for in-memory instead of ':memory:', so
// multiple in-mem databases can be created without conflict.
addr = uuid.NewString()
// in-mem-specific preferences
// (shared cache so that tests don't fail)
prefs.Add("mode", "memory")
prefs.Add("cache", "shared")
addr = "/" + uuid.NewString()
prefs.Add("vfs", "memdb")
}
if dur := config.GetDbSqliteBusyTimeout(); dur > 0 {