Implementing error types

Signed-off-by: Matthew Kim <[email protected]>

Author: mattdeekay

connector.go

@@ -67,7 +67,7 @@ func (c *connector) Connect(ctx context.Context) (driver.Conn, error) {
 		setStmt := fmt.Sprintf("SET `%s` = `%s`;", k, v)
 		_, err := conn.ExecContext(ctx, setStmt, []driver.NamedValue{})
 		if err != nil {
-			return nil, err
+			return nil, dbsqlerrint.NewExecutionError(ctx, fmt.Sprintf("error setting session param: %s", setStmt), err, nil)
 		}
 		log.Info().Msgf("set session parameter: param=%s value=%s", k, v)
 	}

internal/config/config.go

@@ -9,12 +9,13 @@ import (
 	"strings"
 	"time"
 
+	dbsqlerr "github.com/databricks/databricks-sql-go/errors"
 	"github.com/pkg/errors"
 
 	"github.com/databricks/databricks-sql-go/auth"
 	"github.com/databricks/databricks-sql-go/auth/noop"
 	"github.com/databricks/databricks-sql-go/auth/pat"
-	dbsqlerr "github.com/databricks/databricks-sql-go/errors"
+
 	"github.com/databricks/databricks-sql-go/internal/cli_service"
 	dbsqlerrint "github.com/databricks/databricks-sql-go/internal/errors"
 	"github.com/databricks/databricks-sql-go/logger"