Added/Updated tests\bugs\gh_7413_test.py: Checked on 3.0.11.33665, 4.0.3.2904, 5.0.0.964

tests/bugs/gh_7413_test.py

@@ -0,0 +1,60 @@
+#coding:utf-8
+
+"""
+ID:          issue-7413
+ISSUE:       https://github.com/FirebirdSQL/firebird/issues/7413
+TITLE:       Regression: bad plan in FB 3.0.9+ (correct in FB 3.0.8) 
+NOTES:
+    [01.03.2023] pzotov
+    Test database was created beforehand, fulfilled with data provided in the ticket, backed up and compressed.
+    Checked on 3.0.11.33665, 4.0.3.2904, 5.0.0.964
+"""
+
+import pytest
+import zipfile
+from pathlib import Path
+from firebird.qa import *
+from firebird.driver import SrvRestoreFlag
+
+db = db_factory()
+
+act = python_act('db')
+
+expected_stdout = """
+    PLAN JOIN (T3 INDEX (XAK2T3), T1 INDEX (R_542), T2 INDEX (XPKT2))
+    ID_X                            1
+    ID_T1                           6026229
+    TOTAL                           30.0000
+    INVOICE_NO                      1683998
+    CREATED_AT                      2022-11-28
+"""
+
+fbk_file = temp_file('gh_7413.tmp.fbk')
+
+@pytest.mark.version('>=3.0')
+def test_1(act: Action, fbk_file: Path, capsys):
+    zipped_fbk_file = zipfile.Path(act.files_dir / 'gh_7413.zip', at = 'gh_7413.fbk')
+    fbk_file.write_bytes(zipped_fbk_file.read_bytes())
+    with act.connect_server() as srv:
+        srv.database.restore(database=act.db.db_path, backup=fbk_file, flags=SrvRestoreFlag.REPLACE)
+        srv.wait()
+
+    script = """
+        set list on;
+        set plan on;
+        select
+          t1.id_x,
+          t1.id_t1,
+          t1.total,
+          t3.invoice_no,
+          t3.created_at
+        from t1
+        join t2 on t2.id_t2 = t1.id_t1 and t2.id_x = t1.id_x
+        join t3 on t3.id_t3 = t1.id_t3 and t3.id_x = t1.id_x
+        where t3.invoice_no = 1683998;
+    """
+    
+    act.expected_stdout = expected_stdout
+    act.isql(switches=[], input = script, combine_output=True)
+
+    assert act.clean_stdout == act.clean_expected_stdout