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Specify the metric to order by for Series Limit (#1351)
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@ -544,6 +544,11 @@ class FormFactory(object):
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"description": _(
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"Limits the number of time series that get displayed")
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}),
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'timeseries_limit_metric': (SelectField, {
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"label": _("Sort By"),
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"choices": datasource.metrics_combo,
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"description": _("Metric used to define the top series")
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}),
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'rolling_type': (SelectField, {
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"label": _("Rolling"),
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"default": 'None',
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@ -867,8 +867,11 @@ class SqlaTable(Model, Queryable, AuditMixinNullable, ImportMixin):
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from_dttm, to_dttm,
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filter=None, # noqa
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is_timeseries=True,
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timeseries_limit=15, row_limit=None,
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inner_from_dttm=None, inner_to_dttm=None,
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timeseries_limit=15,
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timeseries_limit_metric=None,
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row_limit=None,
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inner_from_dttm=None,
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inner_to_dttm=None,
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orderby=None,
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extras=None,
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columns=None):
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@ -887,7 +890,11 @@ class SqlaTable(Model, Queryable, AuditMixinNullable, ImportMixin):
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"and is required by this type of chart"))
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metrics_exprs = [metrics_dict.get(m).sqla_col for m in metrics]
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timeseries_limit_metric = metrics_dict.get(timeseries_limit_metric)
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timeseries_limit_metric_expr = None
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if timeseries_limit_metric:
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timeseries_limit_metric_expr = \
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timeseries_limit_metric.sqla_col
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if metrics:
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main_metric_expr = metrics_exprs[0]
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else:
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@ -1023,7 +1030,10 @@ class SqlaTable(Model, Queryable, AuditMixinNullable, ImportMixin):
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subq = subq.select_from(tbl)
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subq = subq.where(and_(*(where_clause_and + inner_time_filter)))
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subq = subq.group_by(*inner_groupby_exprs)
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subq = subq.order_by(desc(main_metric_expr))
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ob = main_metric_expr
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if timeseries_limit_metric_expr is not None:
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ob = timeseries_limit_metric_expr
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subq = subq.order_by(desc(ob))
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subq = subq.limit(timeseries_limit)
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on_clause = []
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for i, gb in enumerate(groupby):
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@ -1689,6 +1699,7 @@ class DruidDatasource(Model, AuditMixinNullable, Queryable):
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filter=None, # noqa
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is_timeseries=True,
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timeseries_limit=None,
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timeseries_limit_metric=None,
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row_limit=None,
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inner_from_dttm=None, inner_to_dttm=None,
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orderby=None,
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@ -1794,6 +1805,9 @@ class DruidDatasource(Model, AuditMixinNullable, Queryable):
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client = self.cluster.get_pydruid_client()
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orig_filters = filters
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if timeseries_limit and is_timeseries:
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order_by = metrics[0] if metrics else self.metrics[0]
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if timeseries_limit_metric:
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order_by = timeseries_limit_metric
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# Limit on the number of timeseries, doing a two-phases query
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pre_qry = deepcopy(qry)
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pre_qry['granularity'] = "all"
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@ -1804,7 +1818,7 @@ class DruidDatasource(Model, AuditMixinNullable, Queryable):
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inner_from_dttm.isoformat() + '/' +
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inner_to_dttm.isoformat()),
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"columns": [{
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"dimension": metrics[0] if metrics else self.metrics[0],
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"dimension": order_by,
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"direction": "descending",
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}],
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}
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@ -240,6 +240,7 @@ class BaseViz(object):
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form_data.get("granularity") or form_data.get("granularity_sqla")
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)
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limit = int(form_data.get("limit", 0))
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timeseries_limit_metric = form_data.get("timeseries_limit_metric")
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row_limit = int(
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form_data.get("row_limit", config.get("ROW_LIMIT")))
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since = (
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@ -275,6 +276,7 @@ class BaseViz(object):
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'filter': self.query_filters(),
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'timeseries_limit': limit,
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'extras': extras,
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'timeseries_limit_metric': timeseries_limit_metric,
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}
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return d
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@ -999,7 +1001,8 @@ class NVD3TimeSeriesViz(NVD3Viz):
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'label': None,
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'fields': (
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'metrics',
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'groupby', 'limit',
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'groupby',
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('limit', 'timeseries_limit_metric'),
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),
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}, {
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'label': _('Chart Options'),
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@ -5,4 +5,4 @@ export CARAVEL_CONFIG=tests.caravel_test_config
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set -e
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caravel/bin/caravel version -v
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export SOLO_TEST=1
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nosetests tests.core_tests:CoreTests.test_slices
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nosetests tests.core_tests:CoreTests
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