mirror of https://github.com/status-im/go-waku.git
96 lines
2.4 KiB
Go
96 lines
2.4 KiB
Go
package sqlite
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import (
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"database/sql"
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"fmt"
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"strings"
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"github.com/golang-migrate/migrate/v4/database"
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"github.com/golang-migrate/migrate/v4/database/sqlite3"
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_ "github.com/mattn/go-sqlite3" // Blank import to register the sqlite3 driver
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"github.com/waku-org/go-waku/waku/persistence"
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"github.com/waku-org/go-waku/waku/persistence/migrate"
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"github.com/waku-org/go-waku/waku/persistence/sqlite/migrations"
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"go.uber.org/zap"
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)
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func addSqliteURLDefaults(dburl string) string {
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if !strings.Contains(dburl, "?") {
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dburl += "?"
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}
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if !strings.Contains(dburl, "_journal=") {
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dburl += "&_journal=WAL"
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}
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if !strings.Contains(dburl, "_timeout=") {
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dburl += "&_timeout=5000"
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}
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return dburl
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}
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func executeVacuum(db *sql.DB, logger *zap.Logger) error {
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logger.Info("starting sqlite database vacuuming")
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_, err := db.Exec("VACUUM")
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if err != nil {
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return err
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}
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logger.Info("finished sqlite database vacuuming")
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return nil
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}
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// NewDB creates a sqlite3 DB in the specified path
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func NewDB(dburl string, shouldVacuum bool, logger *zap.Logger) (*sql.DB, error) {
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db, err := sql.Open("sqlite3", addSqliteURLDefaults(dburl))
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if err != nil {
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return nil, err
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}
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// Disable concurrent access as not supported by the driver
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db.SetMaxOpenConns(1)
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if shouldVacuum {
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err := executeVacuum(db, logger)
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if err != nil {
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return nil, err
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}
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}
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return db, nil
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}
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func migrationDriver(db *sql.DB) (database.Driver, error) {
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return sqlite3.WithInstance(db, &sqlite3.Config{
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MigrationsTable: "gowaku_" + sqlite3.DefaultMigrationsTable,
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})
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}
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// Migrations is the function used for DB migration with sqlite driver
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func Migrations(db *sql.DB) error {
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migrationDriver, err := migrationDriver(db)
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if err != nil {
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return err
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}
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return migrate.Migrate(db, migrationDriver, migrations.AssetNames(), migrations.Asset)
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}
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// CreateTable creates the table that will persist the peers
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func CreateTable(db *sql.DB, tableName string) error {
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sqlStmt := fmt.Sprintf("CREATE TABLE IF NOT EXISTS %s (key TEXT NOT NULL UNIQUE, data BLOB);", tableName)
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_, err := db.Exec(sqlStmt)
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if err != nil {
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return err
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}
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return nil
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}
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// NewQueries creates a table if it doesn't exist and a new SQL set of queries for the passed table
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func NewQueries(tbl string, db *sql.DB) (*persistence.Queries, error) {
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err := CreateTable(db, tbl)
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if err != nil {
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return nil, err
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}
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return persistence.CreateQueries(tbl, db), nil
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}
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