Perf currency rate

Author: ryv-odoo

.gitignore

@@ -1,42 +1,2 @@
-*
-!*/
-
-!.gitignore
-
-!misc.py
-
-!exists_perf.py
-!exists_issue.py
-!bulk_insert.py
-!batch_update_perf.py
-!dependencies.py
-!test_indexes.py
-!test_count.py
-!perf_httpapocalypse.py
-!test_website_perf.py
-!psql_log.md
-!exists_smarty.py
-!modified_trigger_perf.py
-!new_domain_object.py
-!regex_name_get.py
-!__init__.py
-
-!psql_exists_in_join/*.py
-!memory_shared_lru/*.py
-!memory_shared_lru/*.md
-!not_in_selection/*.py
-!not_in_selection/*.log
-!new_read_group/*.py
-!perf_unity/*.py
-!new_read_group/*.txt
-!expression_tests.sql
-!aggregate_perf.py
-!test_ormcache_sequence.py
-!python_issue.py
-!expression_performance/**/*.py
-!expression_performance/**/*.csv
-
-!read_group_replacement.py
-!find_related.py
-!script_to_test_api.py
-!fake_data.py
+*.log
+**/__pycache__

perf_currency_rate.py

@@ -0,0 +1,82 @@
+import random
+import datetime
+
+from itertools import product, cycle
+
+from faker import Faker
+
+fake = Faker()
+
+# faker -r=1000 -s=',' name email ean8 vat
+
+currencies_ids = list(range(1, 8))
+company_ids = list(range(1, 10))
+
+iter_currencies_company = cycle(product(currencies_ids, company_ids))
+
+today = datetime.date.today()
+
+# TODO
+
+with open("currency_rate.csv", "wt") as f:
+    for i in range(100_000):
+
+        currency_id = next(currency_iter)
+
+        date 
+
+        line = ",".join([currency_id, date, company_id])
+        f.write(f"{line}\n")
+
+
+"""
+
+SELECT DISTINCT ON ("res_currency_rate"."currency_id") 
+    "res_currency_rate"."currency_id", "res_currency_rate"."rate"
+FROM "res_currency_rate"
+WHERE "res_currency_rate"."company_id" IS NULL OR "res_currency_rate"."company_id" = 1
+ORDER BY
+    "res_currency_rate"."currency_id",
+    "res_currency_rate"."company_id",
+    CASE WHEN "res_currency_rate"."name" <= '2025-09-02'::date THEN "res_currency_rate"."name" END DESC,
+    CASE WHEN "res_currency_rate"."name" > '2025-09-02'::date THEN "res_currency_rate"."name" END ASC
+
+SELECT
+    "res_currency"."id",
+    COALESCE(
+        (
+            SELECT "res_currency_rate"."rate"
+            FROM "res_currency_rate"
+            WHERE
+                (
+                    ("res_currency_rate"."company_id" IN (1) OR "res_currency_rate"."company_id" IS NULL)
+                    AND "res_currency_rate"."name" <= '2025-09-02'::date
+                )
+                AND "res_currency_rate"."currency_id" = "res_currency"."id"
+            ORDER BY
+                "res_currency_rate"."company_id",
+                "res_currency_rate"."name" DESC
+            LIMIT
+                1
+        ), (
+            SELECT
+                "res_currency_rate"."rate"
+            FROM
+                "res_currency_rate"
+            WHERE
+                (
+                    "res_currency_rate"."company_id" IN (1)
+                    OR "res_currency_rate"."company_id" IS NULL
+                )
+                AND "res_currency_rate"."currency_id" = "res_currency"."id"
+            ORDER BY
+                "res_currency_rate"."company_id",
+                "res_currency_rate"."name" ASC
+            LIMIT
+                1
+        ), 1.0
+    )
+FROM
+    "res_currency"
+WHERE "res_currency" = 10
+"""