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Show more useful error message for SQL interrupted, closes #142

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Simon Willison 2018-05-28 14:24:19 -07:00
commit b0a95da963
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3 changed files with 25 additions and 3 deletions
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9
datasette/views/base.py
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@ -27,11 +27,12 @@ HASH_LENGTH = 7
class DatasetteError(Exception):
def __init__(self, message, title=None, error_dict=None, status=500, template=None):
def __init__(self, message, title=None, error_dict=None, status=500, template=None, messagge_is_html=False):
self.message = message
self.title = title
self.error_dict = error_dict or {}
self.status = status
self.messagge_is_html = messagge_is_html
class RenderMixin(HTTPMethodView):
@ -154,7 +155,11 @@ class BaseView(RenderMixin):
else:
data, extra_template_data, templates = response_or_template_contexts
except InterruptedError as e:
raise DatasetteError(str(e), title="SQL Interrupted", status=400)
raise DatasetteError("""
SQL query took too long. The time limit is controlled by the
<a href="https://datasette.readthedocs.io/en/stable/config.html#sql-time-limit-ms">sql_time_limit_ms</a>
configuration option.
""", title="SQL Interrupted", status=400, messagge_is_html=True)
except (sqlite3.OperationalError, InvalidSql) as e:
raise DatasetteError(str(e), title="Invalid SQL", status=400)