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53 lines
1.0 KiB
Python
53 lines
1.0 KiB
Python
#coding:utf-8
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"""
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ID: issue-3294
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ISSUE: 3294
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TITLE: PK index is not used for derived tables
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DESCRIPTION:
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JIRA: CORE-2910
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FBTEST: bugs.core_2910
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"""
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import pytest
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from firebird.qa import *
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init_script = """CREATE TABLE R$TMP (
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POSTING_ID INTEGER
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);
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CREATE TABLE TMP (
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POSTING_ID INTEGER NOT NULL
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);
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ALTER TABLE TMP ADD CONSTRAINT PK_TMP PRIMARY KEY (POSTING_ID);
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commit;
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"""
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db = db_factory(charset='UTF8', init=init_script)
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test_script = """SET PLAN ON;
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select r.POSTING_ID as r$POSTING_ID, t.POSTING_ID from (
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SELECT POSTING_ID
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FROM r$tmp
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) r left join (
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select POSTING_ID from
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(select
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posting_id
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from tmp)
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) t on r.POSTING_ID = t.POSTING_ID;
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"""
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act = isql_act('db', test_script)
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expected_stdout = """
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PLAN JOIN (R R$TMP NATURAL, T TMP INDEX (PK_TMP))
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"""
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@pytest.mark.version('>=3.0')
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def test_1(act: Action):
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act.expected_stdout = expected_stdout
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act.execute()
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assert act.clean_stdout == act.clean_expected_stdout
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