feat: drop sqlite support

internal/db/db.go

@@ -3,25 +3,16 @@ package db
 import (
 	"fmt"
 	"log/slog"
-	"os"
-	"path/filepath"
 	"time"
 
 	_ "github.com/jackc/pgx/v5/stdlib"
 	"github.com/jmoiron/sqlx"
-	_ "modernc.org/sqlite"
 )
 
-func Init(driver, connection string) (*sqlx.DB, error) {
-	if driver == "sqlite" {
-		dir := filepath.Dir(connection)
-		err := os.MkdirAll(dir, 0755)
-		if err != nil {
-			return nil, fmt.Errorf("failed to create data directory: %w", err)
-		}
-	}
-
-	db, err := sqlx.Connect(driver, connection)
+// Init opens a PostgreSQL connection pool. The connection string must be a
+// libpq-style URL or DSN supported by the pgx stdlib driver.
+func Init(connection string) (*sqlx.DB, error) {
+	db, err := sqlx.Connect("pgx", connection)
 	if err != nil {
 		return nil, fmt.Errorf("failed to connect: %w", err)
 	}
@@ -30,10 +21,9 @@ func Init(driver, connection string) (*sqlx.DB, error) {
 	db.SetMaxIdleConns(5)
 	db.SetConnMaxLifetime(5 * time.Minute)
 
-	slog.Info("database connected", "driver", driver)
+	slog.Info("database connected", "driver", "pgx")
 
-	err = db.Ping()
-	if err != nil {
+	if err := db.Ping(); err != nil {
 		return nil, fmt.Errorf("failed to ping database: %w", err)
 	}
 

internal/db/migrate.go

@@ -9,22 +9,8 @@ import (
 	"github.com/pressly/goose/v3"
 )
 
-var dialectMap = map[string]string{
-	"sqlite": "sqlite3",
-	"pgx":    "postgres",
-}
-
-func getDialect(driver string) string {
-	dialect, ok := dialectMap[driver]
-	if ok {
-		return dialect
-	}
-	return driver
-}
-
-func setupGoose(driver string) error {
-	err := goose.SetDialect(getDialect(driver))
-	if err != nil {
+func setupGoose() error {
+	if err := goose.SetDialect("postgres"); err != nil {
 		return fmt.Errorf("failed to set dialect: %w", err)
 	}
 
@@ -34,22 +20,18 @@ func setupGoose(driver string) error {
 	}
 
 	goose.SetBaseFS(migrationsDir)
-
 	return nil
 }
 
-func RunMigrations(db *sql.DB, driver string) error {
-	err := setupGoose(driver)
-	if err != nil {
+func RunMigrations(db *sql.DB) error {
+	if err := setupGoose(); err != nil {
 		return err
 	}
 
-	err = goose.Up(db, ".")
-	if err != nil {
+	if err := goose.Up(db, "."); err != nil {
 		return fmt.Errorf("failed to run migrations: %w", err)
 	}
 
 	slog.Info("migrations completed successfully")
-
 	return nil
 }

internal/db/migrations/00009_create_space_audit_logs_table.sql

@@ -7,7 +7,7 @@ CREATE TABLE space_audit_logs (
     action TEXT NOT NULL,
     target_user_id TEXT REFERENCES users(id) ON DELETE SET NULL,
     target_email TEXT,
-    metadata JSONB NOT NULL DEFAULT '{}',
+    metadata JSONB NOT NULL DEFAULT '{}'::jsonb,
     created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
 );
 

internal/db/migrations/00010_create_transaction_audit_logs_table.sql

@@ -5,7 +5,7 @@ CREATE TABLE transaction_audit_logs (
     transaction_id TEXT NOT NULL,
     actor_id TEXT REFERENCES users(id) ON DELETE SET NULL,
     action TEXT NOT NULL,
-    metadata JSONB NOT NULL DEFAULT '{}',
+    metadata JSONB NOT NULL DEFAULT '{}'::jsonb,
     created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
 );
 

internal/db/migrations/00011_index_audit_metadata_account_id.sql

@@ -0,0 +1,22 @@
+-- +goose Up
+-- +goose StatementBegin
+-- The account-scoped activity feeds filter audit rows by metadata->>'account_id'.
+-- A partial expression index is the right shape for this access pattern in
+-- PostgreSQL 17: it is small (only the rows where the field exists), uses a
+-- standard B-tree (cheap equality + ORDER BY created_at), and avoids the bloat
+-- of a full GIN over the metadata document.
+
+CREATE INDEX idx_space_audit_logs_account_id
+    ON space_audit_logs ((metadata->>'account_id'), created_at DESC)
+    WHERE action LIKE 'account.%';
+
+CREATE INDEX idx_transaction_audit_logs_account_id
+    ON transaction_audit_logs ((metadata->>'account_id'), created_at DESC)
+    WHERE metadata ? 'account_id';
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+DROP INDEX IF EXISTS idx_space_audit_logs_account_id;
+DROP INDEX IF EXISTS idx_transaction_audit_logs_account_id;
+-- +goose StatementEnd