Snuba SDK for generating SnQL queries.
Project description
See here for the full documentation.
Status
Examples
Snuba SDK is a tool that allows requests to Snuba to be built programatically. A Request consists of a Query, the dataset the Query is targeting, the AppID of the Request, and any flags for the Request. A Query object is a code representation of a SnQL query, and has a number of attributes corresponding to different parts of the query.
Requests and Queries can be created directly:
request = Request(
dataset = "discover",
app_id = "myappid",
query = Query(
match=Entity("events"),
select=[
Column("title"),
Function("uniq", [Column("event_id")], "uniq_events"),
],
groupby=[Column("title")],
where=[
Condition(Column("timestamp"), Op.GT, datetime.datetime(2021, 1, 1)),
Condition(Column("project_id"), Op.IN, Function("tuple", [1, 2, 3])),
],
limit=Limit(10),
offset=Offset(0),
granularity=Granularity(3600),
),
flags = Flags(debug=True)
)Queries can also be built incrementally:
query = (
Query("discover", Entity("events"))
.set_select(
[Column("title"), Function("uniq", [Column("event_id")], "uniq_events")]
)
.set_groupby([Column("title")])
.set_where(
[
Condition(Column("timestamp"), Op.GT, datetime.datetime.(2021, 1, 1)),
Condition(Column("project_id"), Op.IN, Function("tuple", [1, 2, 3])),
]
)
.set_limit(10)
.set_offset(0)
.set_granularity(3600)
)Once the request is built, it can be translated into a Snuba request that can be sent to Snuba.
# Outputs a formatted Snuba request
request.serialize()It can also be printed in a more human readable format.
# Outputs a formatted Snuba request
print(request.print())This outputs:
{
"dataset": "discover",
"app_id": "myappid",
"query": "MATCH (events) SELECT title, uniq(event_id) AS uniq_events BY title WHERE timestamp > toDateTime('2021-01-01T00:00:00.000000') AND project_id IN tuple(1, 2, 3) LIMIT 10 OFFSET 0 GRANULARITY 3600",
"debug": true
}If an expression in the query is invalid (e.g. Column(1)) then an InvalidExpressionError exception will be thrown. If there is a problem with a query, it will throw an InvalidQueryError exception when .validate() or .translate() is called. If there is a problem with the Request or the Flags, an InvalidRequestError or InvalidFlagError will be thrown respectively.
Contributing to the SDK
Please refer to CONTRIBUTING.rst.
License
Licensed under MIT, see LICENSE.
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