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86 lines
2.3 KiB
Python
86 lines
2.3 KiB
Python
#coding:utf-8
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"""
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ID: issue-4292
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ISSUE: 4292
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TITLE: Repeat Temporary Table access from ReadOnly Transaction and ReadWrite transaction
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causes Internal Firebird consistency check (cannot find record back version (291), file: vio.cpp line: 4905)
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DESCRIPTION:
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JIRA: CORE-3959
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FBTEST: bugs.core_3959
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"""
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import pytest
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from firebird.qa import *
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from firebird.driver import tpb, TraAccessMode, Isolation
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init_script = """
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create or alter procedure fu_x1 as begin end;
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create or alter procedure save_x1 as begin end;
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commit;
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recreate global temporary table x1 (
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id integer,
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name varchar(10)
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) on commit preserve rows;
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set term ^;
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alter procedure fu_x1 returns (
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sid integer,
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sname varchar(10)) as
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begin
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delete from x1;
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insert into x1 values (1,'1');
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insert into x1 values (2,'2');
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insert into x1 values (3,'3');
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insert into x1 values (4,'4');
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insert into x1 values (5,'5');
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for
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select x1.id, x1.name
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from x1
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into sid, sname
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do
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suspend;
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end
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^
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alter procedure save_x1 (
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pid integer,
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pname varchar(10))
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as
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begin
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update x1 set name = :pname
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where x1.id = :pid;
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if (row_count = 0) then
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insert into x1 values( :pid, :pname);
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end
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^
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set term ;^
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commit;
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"""
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db = db_factory(init=init_script)
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act = python_act('db')
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@pytest.mark.version('>=3')
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def test_1(act: Action):
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with act.db.connect() as con:
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txparam_read = tpb(isolation=Isolation.READ_COMMITTED_RECORD_VERSION, lock_timeout=0,
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access_mode=TraAccessMode.READ)
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txparam_write = tpb(isolation=Isolation.READ_COMMITTED_RECORD_VERSION, lock_timeout=0)
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tx_read = con.transaction_manager(txparam_read)
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cur_read = tx_read.cursor()
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cur_read.execute("select sid, sname from FU_X1")
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tx_write = con.transaction_manager(txparam_write)
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cur_write = tx_write.cursor()
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cur_write.callproc("save_x1", ['2', 'foo'])
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tx_write.commit()
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cur_read.execute("select sid, sname from FU_X1")
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cur_read.fetchall() # If this does not raises an exception, the test passes
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