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119 lines
2.9 KiB
Python
119 lines
2.9 KiB
Python
#coding:utf-8
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"""
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ID: issue-4641
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ISSUE: 4641
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TITLE: Regression: Predicates involving PSQL variables/parameters are not pushed inside the aggregation
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DESCRIPTION:
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JIRA: CORE-4318
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FBTEST: bugs.core_4318
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"""
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import pytest
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from firebird.qa import *
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init_script = """
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recreate table t2 (
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id integer not null,
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t1_id integer
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);
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commit;
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recreate table t1 (
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id integer not null
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);
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commit;
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set term ^;
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execute block
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as
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declare variable i integer = 0;
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begin
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while (i < 1000) do begin
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i = i + 1;
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insert into t2(id, t1_id) values(:i, mod(:i, 10));
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merge into t1 using (
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select mod(:i, 10) as f from rdb$database
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) src on t1.id = src.f
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when not matched then
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insert (id) values(src.f);
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end -- while (i < 1000) do begin
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end^
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set term ;^
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commit;
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alter table t1 add constraint pk_t1 primary key (id);
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alter table t2 add constraint pk_t2 primary key (id);
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alter table t2 add constraint fk_t2_ref_t1 foreign key (t1_id) references t1(id);
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commit;
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"""
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db = db_factory(init=init_script)
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test_script = """
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set explain on;
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set planonly;
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set term ^;
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execute block returns (s integer) as
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declare v integer = 1;
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begin
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with t as (
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select t1_id as t1_id, sum(id) as s -- FB 5.x: "Select Expression (line NNN, column MMM)"
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from t2
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group by 1
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)
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select s
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from t
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where t1_id = :v
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into :s;
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suspend;
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end
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^
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set term ;^
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-- In 3.0.0.30837 plan was:
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-- Select Expression
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-- -> Singularity Check
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-- -> Filter
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-- -> Aggregate
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-- -> Table "T T2" Access By ID
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-- -> Index "FK_T2_REF_T1" Scan
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-- (i.e. there was NO "Filter" between "Aggregate" and "Table "T T2" Access By ID")
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"""
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act = isql_act('db', test_script, substitutions = [('line \\d+, col(umn)? \\d+', 'line, col')])
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fb3x_expected_out = """
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Select Expression
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-> Singularity Check
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-> Filter
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-> Aggregate
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-> Filter
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-> Table "T2" as "T T2" Access By ID
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-> Index "FK_T2_REF_T1" Range Scan (full match)
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"""
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fb5x_expected_out = """
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Select Expression (line 8, column 7)
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-> Singularity Check
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-> Filter
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-> Aggregate
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-> Filter
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-> Table "T2" as "T T2" Access By ID
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-> Index "FK_T2_REF_T1" Range Scan (full match)
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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 = fb3x_expected_out if act.is_version('<5') else fb5x_expected_out
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act.execute()
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#assert act.stdout == act.clean_expected_stdout
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assert act.clean_stdout == act.clean_expected_stdout
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