should be it

external/duckdb/test/sql/storage/delete/delete_final_row_group.test_slow

@@ -0,0 +1,42 @@
+# name: test/sql/storage/delete/delete_final_row_group.test_slow
+# description: Test deleting the final row groups of a table
+# group: [delete]
+
+load __TEST_DIR__/delete_final_row_group.db
+
+statement ok
+CREATE TABLE integers AS SELECT * FROM range(0, 10000000) t(i);
+
+query I
+DELETE FROM integers WHERE i>=5000000
+----
+5000000
+
+query II
+SELECT COUNT(*), SUM(i) FROM integers
+----
+5000000	12499997500000
+
+
+statement ok
+ALTER TABLE integers ADD COLUMN j INTEGER
+
+query III
+SELECT COUNT(*), SUM(i), SUM(j) FROM integers
+----
+5000000	12499997500000	NULL
+
+statement ok
+UPDATE integers SET j=i+1
+
+query III
+SELECT COUNT(*), SUM(i), SUM(j) FROM integers
+----
+5000000	12499997500000	12500002500000
+
+restart
+
+query III
+SELECT COUNT(*), SUM(i), SUM(j) FROM integers
+----
+5000000	12499997500000	12500002500000

external/duckdb/test/sql/storage/delete/drop_many_deletes.test_slow

@@ -0,0 +1,38 @@
+# name: test/sql/storage/delete/drop_many_deletes.test_slow
+# description: Test dropping a table that has many deletes
+# group: [delete]
+
+load __TEST_DIR__/drop_many_deletes.db
+
+statement ok
+CREATE TABLE integers AS SELECT * FROM range(0, 10000000) t(i);
+
+query I
+DELETE FROM integers WHERE i % 2 = 0
+----
+5000000
+
+restart
+
+query I
+SELECT COUNT(*) FROM integers
+----
+5000000
+
+# the metadata size is less than or euqal to 262144 bytes
+query I
+SELECT COUNT(*) * get_block_size('drop_many_deletes') <= 262144 FROM pragma_metadata_info()
+----
+1
+
+statement ok
+DROP TABLE integers
+
+restart
+
+# verify that the blocks are returned to the system and the metadata blocks are freed
+# by verifying that the metadata size is still less than or euqal to 262144 bytes
+query I
+SELECT COUNT(*) * get_block_size('drop_many_deletes') <= 262144 FROM pragma_metadata_info()
+----
+1

external/duckdb/test/sql/storage/delete/load_delete_modify.test

@@ -0,0 +1,49 @@
+# name: test/sql/storage/delete/load_delete_modify.test
+# description: Test loading a table with deletes and then performing an operation
+# group: [delete]
+
+# load the DB from disk
+load __TEST_DIR__/load_delete_modify.db
+
+statement ok
+CREATE TABLE integers AS SELECT * FROM generate_series(0,599999) t(i);
+
+query I
+DELETE FROM integers WHERE i%2=0
+----
+300000
+
+# LOAD -> ALTER
+restart
+
+statement ok
+ALTER TABLE integers ADD COLUMN k INTEGER
+
+query III
+SELECT COUNT(*), COUNT(i), COUNT(k) FROM integers
+----
+300000	300000	0
+
+# LOAD -> UPDATE
+restart
+
+statement ok
+UPDATE integers SET k=i+1
+
+query IIII
+SELECT COUNT(*), COUNT(i), COUNT(k), SUM(k) - SUM(i) FROM integers
+----
+300000	300000	300000	300000
+
+# LOAD -> DELETE MORE
+restart
+
+query I
+DELETE FROM integers WHERE i%3=0
+----
+100000
+
+query IIII
+SELECT COUNT(*), COUNT(i), COUNT(k), SUM(k) - SUM(i) FROM integers
+----
+200000	200000	200000	200000

external/duckdb/test/sql/storage/delete/repeated_deletes.test

@@ -0,0 +1,130 @@
+# name: test/sql/storage/delete/repeated_deletes.test
+# description: Test deletes with storage
+# group: [delete]
+
+# load the DB from disk
+load __TEST_DIR__/test_repeated_deletes.db
+
+statement ok
+CREATE TABLE test (i INTEGER);
+
+statement ok
+INSERT INTO test SELECT * FROM generate_series(0, 999);
+
+query I
+DELETE FROM test WHERE i%2=0;
+----
+500
+
+restart
+
+query IIII
+SELECT COUNT(*), SUM(i), MIN(i), MAX(i) FROM test;
+----
+500	250000	1	999
+
+statement ok
+INSERT INTO test SELECT * FROM generate_series(1000, 1099);
+
+query IIII
+SELECT COUNT(*), SUM(i), MIN(i), MAX(i) FROM test;
+----
+600	354950	1	1099
+
+query I
+DELETE FROM test WHERE i%3=0;
+----
+200
+
+restart
+
+query IIII
+SELECT COUNT(*), SUM(i), MIN(i), MAX(i) FROM test;
+----
+400	236633	1	1099
+
+statement ok
+INSERT INTO test SELECT * FROM generate_series(1000, 1999);
+
+query IIII
+SELECT COUNT(*), SUM(i), MIN(i), MAX(i) FROM test;
+----
+1400	1736133	1	1999
+
+restart
+
+query IIII
+SELECT COUNT(*), SUM(i), MIN(i), MAX(i) FROM test;
+----
+1400	1736133	1	1999
+
+query I
+SELECT COUNT(*) FROM test WHERE i%7=0
+----
+200
+
+query I
+DELETE FROM test WHERE i%7=0;
+----
+200
+
+restart
+
+query IIII
+SELECT COUNT(*), SUM(i), MIN(i), MAX(i) FROM test;
+----
+1200	1488228	1	1999
+
+query I
+DELETE FROM test WHERE i%3=0;
+----
+285
+
+restart
+
+query IIII
+SELECT COUNT(*), SUM(i), MIN(i), MAX(i) FROM test;
+----
+915	1060800	1	1999
+
+statement ok
+INSERT INTO test SELECT 1 FROM generate_series(0, 4000);
+
+statement ok
+INSERT INTO test SELECT 2 FROM generate_series(0, 4000);
+
+query I
+DELETE FROM test WHERE i=1;
+----
+4002
+
+restart
+
+query IIII
+SELECT COUNT(*), SUM(i), MIN(i), MAX(i) FROM test;
+----
+4915	1068801	2	1999
+
+query I
+DELETE FROM test WHERE i=2;
+----
+4001
+
+restart
+
+query IIII
+SELECT COUNT(*), SUM(i), MIN(i), MAX(i) FROM test;
+----
+914	1060799	5	1999
+
+query I
+DELETE FROM test;
+----
+914
+
+restart
+
+query IIII
+SELECT COUNT(*), SUM(i), MIN(i), MAX(i) FROM test;
+----
+0	NULL	NULL	NULL

external/duckdb/test/sql/storage/delete/store_deletes_large.test_slow

@@ -0,0 +1,54 @@
+# name: test/sql/storage/delete/store_deletes_large.test_slow
+# description: Test storing large deletes
+# group: [delete]
+
+# load the DB from disk
+load __TEST_DIR__/test_store_deletes.db
+
+statement ok
+BEGIN TRANSACTION;
+
+statement ok
+CREATE TABLE test (a INTEGER, b INTEGER);
+
+statement ok
+INSERT INTO test SELECT i, i+2 FROM range(0, 1000000) t(i)
+
+query I
+SELECT COUNT(*) FROM test
+----
+1000000
+
+statement ok
+DELETE FROM test WHERE a=2
+
+query I
+SELECT COUNT(*) FROM test
+----
+999999
+
+statement ok
+COMMIT
+
+restart
+
+query I
+SELECT COUNT(*) FROM test
+----
+999999
+
+statement ok
+INSERT INTO test VALUES (2, 4)
+
+query I
+SELECT COUNT(*) FROM test
+----
+1000000
+
+statement ok
+DELETE FROM test WHERE a%2=0
+
+query I
+SELECT COUNT(*) FROM test
+----
+500000

external/duckdb/test/sql/storage/delete/test_store_deletes.test

@@ -0,0 +1,76 @@
+# name: test/sql/storage/delete/test_store_deletes.test
+# description: Test deletes with storage
+# group: [delete]
+
+# load the DB from disk
+load __TEST_DIR__/test_store_deletes.db
+
+statement ok
+BEGIN TRANSACTION;
+
+statement ok
+CREATE TABLE test (a INTEGER, b INTEGER);
+
+statement ok
+INSERT INTO test VALUES (11, 22), (12, 21), (13, 22), (12, 21)
+
+statement ok
+DELETE FROM test WHERE a=12
+
+query II
+SELECT a, b FROM test ORDER BY a
+----
+11	22
+13	22
+
+statement ok
+COMMIT
+
+statement ok
+CHECKPOINT;
+
+restart
+
+query II
+SELECT a, b FROM test ORDER BY a
+----
+11	22
+13	22
+
+statement ok
+DELETE FROM test WHERE a=11
+
+query II
+SELECT a, b FROM test ORDER BY a
+----
+13	22
+
+statement ok
+INSERT INTO test VALUES (11, 24), (12, 25)
+
+query II
+SELECT a, b FROM test ORDER BY a
+----
+11	24
+12	25
+13	22
+
+statement ok
+DELETE FROM test WHERE a=12
+
+query II
+SELECT a, b FROM test ORDER BY a
+----
+11	24
+13	22
+
+statement ok
+CHECKPOINT;
+
+restart
+
+query II
+SELECT a, b FROM test ORDER BY a
+----
+11	24
+13	22

external/duckdb/test/sql/storage/delete/test_unchanged_deletes.test

@@ -0,0 +1,37 @@
+# name: test/sql/storage/delete/test_unchanged_deletes.test
+# description: Test reloading unchanged deletes
+# group: [delete]
+
+# load the DB from disk
+load __TEST_DIR__/test_unchanged_deletes.db
+
+statement ok
+CREATE TABLE integers AS FROM range(4) t(i)
+
+query I
+DELETE FROM integers WHERE i%2=0
+----
+2
+
+query I
+SELECT COUNT(*) FROM integers
+----
+2
+
+statement ok
+CREATE TABLE integers2(i int);
+
+# repeatedly add elements and checkpoint
+loop i 0 10
+
+query I
+SELECT COUNT(*) FROM integers
+----
+2
+
+statement ok
+INSERT INTO integers2 VALUES (${i});
+
+restart
+
+endloop

external/duckdb/test/sql/storage/delete/test_unchanged_deletes_large.test

@@ -0,0 +1,75 @@
+# name: test/sql/storage/delete/test_unchanged_deletes_large.test
+# description: Test reloading unchanged deletes
+# group: [delete]
+
+# load the DB from disk
+load __TEST_DIR__/test_unchanged_deletes_large.db
+
+statement ok
+CREATE TABLE integers AS SELECT * FROM generate_series(0,599999) t(i);
+
+query I
+DELETE FROM integers WHERE i%2=0
+----
+300000
+
+query I
+SELECT COUNT(*) FROM integers
+----
+300000
+
+statement ok
+INSERT INTO integers VALUES (42);
+
+query I
+SELECT COUNT(*) FROM integers
+----
+300001
+
+restart
+
+query I
+SELECT COUNT(*) FROM integers
+----
+300001
+
+query I
+DELETE FROM integers WHERE i%3=0
+----
+100001
+
+query I
+SELECT COUNT(*) FROM integers
+----
+200000
+
+restart
+
+query I
+SELECT COUNT(*) FROM integers
+----
+200000
+
+loop i 0 5
+
+restart
+
+statement ok
+INSERT INTO integers VALUES (84)
+
+statement ok
+checkpoint
+
+query I
+SELECT COUNT(*) - ${i} FROM integers
+----
+200001
+
+restart
+
+query I
+SELECT COUNT(*) - ${i} FROM integers
+----
+200001
+
+endloop