CI: Merge database workflow into posix workflow

.github/workflows/posix.yml

@@ -25,6 +25,8 @@ jobs:
     strategy:
       matrix:
         settings: [
+          [actions-38-db-min.yaml, "((not slow and not network and not clipboard) or (single and db))", "", "", "", "", ""],
+          [actions-38-db.yaml, "((not slow and not network and not clipboard) or (single and db))", "", "", "", "", ""],
           [actions-38-minimum_versions.yaml, "not slow and not network and not clipboard", "", "", "", "", ""],
           [actions-38-locale_slow.yaml, "slow", "language-pack-it xsel", "it_IT.utf8", "it_IT.utf8", "", ""],
           [actions-38.yaml, "not slow and not clipboard", "", "", "", "", ""],
@@ -52,7 +54,35 @@ jobs:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7
       group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-${{ matrix.settings[0] }}
       cancel-in-progress: true
+
     services:
+      mysql:
+        image: mysql
+        env:
+          MYSQL_ALLOW_EMPTY_PASSWORD: yes
+          MYSQL_DATABASE: pandas
+        options: >-
+          --health-cmd "mysqladmin ping"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        ports:
+          - 3306:3306
+
+      postgres:
+        image: postgres
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: pandas
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+        ports:
+          - 5432:5432
+
       moto:
         image: motoserver/moto
         env:

pandas/tests/arrays/floating/test_construction.py

@@ -5,7 +5,7 @@
 
 from pandas.compat import (
     is_platform_windows,
-    np_version_under1p19,
+    np_version_under1p20,
 )
 
 import pandas as pd
@@ -56,7 +56,7 @@ def test_floating_array_disallows_float16(request):
     with pytest.raises(TypeError, match=msg):
         FloatingArray(arr, mask)
 
-    if np_version_under1p19 or (
+    if np_version_under1p20 or (
         locale.getlocale()[0] != "en_US" and not is_platform_windows()
     ):
         # the locale condition may need to be refined; this fails on

pandas/tests/tools/test_to_datetime.py

@@ -44,6 +44,7 @@
 from pandas.core.arrays import DatetimeArray
 from pandas.core.tools import datetimes as tools
 from pandas.core.tools.datetimes import start_caching_at
+from pandas.util.version import Version
 
 
 @pytest.fixture(params=[True, False])
@@ -810,11 +811,20 @@ def test_to_datetime_utc_true_with_series_datetime_ns(self, cache, date, dtype):
         tm.assert_series_equal(result, expected)
 
     @td.skip_if_no("psycopg2")
-    def test_to_datetime_tz_psycopg2(self, cache):
+    def test_to_datetime_tz_psycopg2(self, request, cache):
 
         # xref 8260
         import psycopg2
 
+        # https://www.psycopg.org/docs/news.html#what-s-new-in-psycopg-2-9
+        request.node.add_marker(
+            pytest.mark.xfail(
+                Version(psycopg2.__version__.split()[0]) > Version("2.8.7"),
+                raises=AttributeError,
+                reason="psycopg2.tz is deprecated (and appears dropped) in 2.9",
+            )
+        )
+
         # misc cases
         tz1 = psycopg2.tz.FixedOffsetTimezone(offset=-300, name=None)
         tz2 = psycopg2.tz.FixedOffsetTimezone(offset=-240, name=None)