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asset/rate: speed up percent-queries

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This commit is contained in:
Frederik Jaeckel 2023-06-23 16:02:31 +02:00
parent 3b9de6c0bb
commit 38e2c34a53
2 changed files with 29 additions and 26 deletions
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48
asset.py
View file

@ -473,8 +473,6 @@ class Asset(SymbolMixin, ModelSQL, ModelView):
"""
pool = Pool()
Rate = pool.get('investment.rate')
Asset2 = pool.get('investment.asset')
tab_asset = Asset2.__table__()
tab_rate1 = Rate.__table__()
tab_rate2 = Rate.__table__()
context = Transaction().context
@ -482,17 +480,14 @@ class Asset(SymbolMixin, ModelSQL, ModelView):
query_date = context.get('qdate', CurrentDate())
where_asset = tab_rate1.date <= query_date
if isinstance(asset_ids, list):
where_asset &= tab_asset.id.in_(asset_ids)
where_asset &= tab_rate1.asset.in_(asset_ids)
tab_today = tab_asset.join(
tab_rate1,
condition=tab_asset.id == tab_rate1.asset,
).select(
tab_asset.id,
tab_today = tab_rate1.select(
tab_rate1.asset.as_('id'),
tab_rate1.date,
tab_rate1.rate,
distinct_on=[tab_asset.id],
order_by=[tab_asset.id, tab_rate1.date.desc],
distinct_on=[tab_rate1.asset],
order_by=[tab_rate1.asset, tab_rate1.date.desc],
where=where_asset,
)
@ -613,23 +608,24 @@ class Asset(SymbolMixin, ModelSQL, ModelView):
exp = Decimal(Decimal(1) / 10 ** digits_percent)
asset_id_lst = [x.id for x in assets]
for x in names:
tab_percent = cls.get_percentage_sql(
days={
'change_day1': 0,
'change_month1': 30,
'change_month3': 90,
'change_month6': 180,
'change_month12': 365,
}[x],
asset_ids=asset_id_lst,
)
cursor.execute(*tab_percent)
records = cursor.fetchall()
if asset_id_lst and names:
for x in names:
tab_percent = cls.get_percentage_sql(
days={
'change_day1': 0,
'change_month1': 30,
'change_month3': 90,
'change_month6': 180,
'change_month12': 365,
}[x],
asset_ids=asset_id_lst,
)
cursor.execute(*tab_percent)
records = cursor.fetchall()
for record in records:
result[x][record[0]] = record[3].quantize(exp) \
if record[3] is not None else None
for record in records:
result[x][record[0]] = record[3].quantize(exp) \
if record[3] is not None else None
return result
@classmethod

7
rate.py
View file

@ -53,6 +53,13 @@ class Rate(SymbolMixin, ModelSQL, ModelView):
Index(
t,
(t.rate, Index.Range())),
Index(
t,
(t.asset, Index.Equality())),
Index(
t,
(t.asset, Index.Equality()),
(t.date, Index.Range(order='DESC'))),
})
@classmethod