init

internal/database/sql/queries.go

@@ -0,0 +1,50 @@
+package sql
+
+import (
+	"context"
+
+	"emperror.dev/errors"
+	"github.com/georgysavva/scany/v2/pgxscan"
+	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgconn"
+	"github.com/keegancsmith/sqlf"
+)
+
+type Querier interface {
+	Query(ctx context.Context, query string, args ...interface{}) (pgx.Rows, error)
+	QueryRow(ctx context.Context, sql string, args ...any) pgx.Row
+	Exec(ctx context.Context, sql string, arguments ...any) (pgconn.CommandTag, error)
+}
+
+type ReleaseableQuerier interface {
+	Querier
+
+	Release()
+}
+
+type Tx interface {
+	Querier
+
+	Commit(ctx context.Context) error
+	Rollback(ctx context.Context) error
+}
+
+func Select[T any](ctx context.Context, querier Querier, query *sqlf.Query) ([]T, error) {
+	dst := make([]T, 0)
+
+	err := pgxscan.Select(ctx, querier, &dst, query.Query(sqlf.PostgresBindVar), query.Args()...)
+	if err != nil {
+		return []T{}, errors.Wrap(err, "executing query")
+	}
+	return dst, nil
+}
+
+func Get[T any](ctx context.Context, querier Querier, query *sqlf.Query) (T, error) {
+	var dst T
+
+	err := pgxscan.Get(ctx, querier, &dst, query.Query(sqlf.PostgresBindVar), query.Args()...)
+	if err != nil {
+		return dst, errors.Wrap(err, "executing query")
+	}
+	return dst, nil
+}