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Add test coverage for rootdescend verification.

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Commit c1afd175, which added support for rootdescend verification to
amcheck, added only minimal regression test coverage.  Address this by
making sure that rootdescend verification is run on a multi-level index.
In passing, simplify some of the regression tests that exercise
multi-level nbtree page deletion.

Both issues spotted while rereviewing coverage of the nbtree patch
series using gcov.
This commit is contained in:
Peter Geoghegan
2019-04-04 17:25:35 -07:00
parent 86b85044e8
commit 344b7e11bb
4 changed files with 10 additions and 22 deletions
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3
src/test/regress/expected/create_index.out
View File

@ -3225,9 +3225,6 @@ explain (costs off)
CREATE TABLE delete_test_table (a bigint, b bigint, c bigint, d bigint);
INSERT INTO delete_test_table SELECT i, 1, 2, 3 FROM generate_series(1,80000) i;
ALTER TABLE delete_test_table ADD PRIMARY KEY (a,b,c,d);
-- Delete many entries, and vacuum. This causes page deletions.
DELETE FROM delete_test_table WHERE a > 40000;
VACUUM delete_test_table;
-- Delete most entries, and vacuum, deleting internal pages and creating "fast
-- root"
DELETE FROM delete_test_table WHERE a < 79990;

3
src/test/regress/sql/create_index.sql
View File

@ -1146,9 +1146,6 @@ explain (costs off)
CREATE TABLE delete_test_table (a bigint, b bigint, c bigint, d bigint);
INSERT INTO delete_test_table SELECT i, 1, 2, 3 FROM generate_series(1,80000) i;
ALTER TABLE delete_test_table ADD PRIMARY KEY (a,b,c,d);
-- Delete many entries, and vacuum. This causes page deletions.
DELETE FROM delete_test_table WHERE a > 40000;
VACUUM delete_test_table;
-- Delete most entries, and vacuum, deleting internal pages and creating "fast
-- root"
DELETE FROM delete_test_table WHERE a < 79990;