diff options
Diffstat (limited to 'lib/sqlalchemy/sql/compiler.py')
| -rw-r--r-- | lib/sqlalchemy/sql/compiler.py | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/lib/sqlalchemy/sql/compiler.py b/lib/sqlalchemy/sql/compiler.py index 97397e9cf..9a00afc91 100644 --- a/lib/sqlalchemy/sql/compiler.py +++ b/lib/sqlalchemy/sql/compiler.py @@ -63,6 +63,7 @@ from . import roles from . import schema from . import selectable from . import sqltypes +from . import util as sql_util from ._typing import is_column_element from ._typing import is_dml from .base import _from_objects @@ -1530,7 +1531,8 @@ class SQLCompiler(Compiled): replacement_expressions[ escaped_name ] = self.render_literal_bindparam( - parameter, render_literal_value=value + parameter, + render_literal_value=value, ) continue @@ -3154,10 +3156,22 @@ class SQLCompiler(Compiled): processor = type_._cached_literal_processor(self.dialect) if processor: - return processor(value) + try: + return processor(value) + except Exception as e: + raise exc.CompileError( + f"Could not render literal value " + f'"{sql_util._repr_single_value(value)}" ' + f"with datatype " + f"{type_}; see parent stack trace for " + "more detail." + ) from e + else: - raise NotImplementedError( - "Don't know how to literal-quote value %r" % value + raise exc.CompileError( + f"No literal value renderer is available for literal value " + f'"{sql_util._repr_single_value(value)}" ' + f"with datatype {type_}" ) def _truncate_bindparam(self, bindparam): |