should be it

external/duckdb/test/sql/index/art/nodes/test_art_cyclic_duplicates.test_slow

@@ -0,0 +1,30 @@
+# name: test/sql/index/art/nodes/test_art_cyclic_duplicates.test_slow
+# description: Test cycling inserts into the ART.
+# group: [nodes]
+
+statement ok
+PRAGMA enable_verification
+
+statement ok
+CREATE TABLE integers (i INTEGER);
+
+statement ok
+CREATE INDEX i_index ON integers USING art(i);
+
+# Insert duplicates and test the count.
+
+loop i 0 10
+
+statement ok
+INSERT INTO integers SELECT range FROM range(100);
+
+loop j 0 40
+
+query I
+SELECT COUNT(*) = ${i} + 1 FROM integers WHERE i = ${j};
+----
+1
+
+endloop
+
+endloop

external/duckdb/test/sql/index/art/nodes/test_art_leaf.test_slow

@@ -0,0 +1,274 @@
+# name: test/sql/index/art/nodes/test_art_leaf.test_slow
+# description: Test ART leaf containing duplicates on multi column table
+# group: [nodes]
+
+statement ok
+PRAGMA enable_verification
+
+statement ok
+CREATE TABLE integers AS SELECT range a, 1 AS b, 1 AS c FROM range(1024)
+
+statement ok
+CREATE INDEX b_index ON integers(b)
+
+# verify counts
+
+query I
+SELECT sum(b) FROM integers
+----
+1024
+
+query I
+SELECT sum(b) FROM integers WHERE b = 1
+----
+1024
+
+query I
+SELECT sum(b) FROM integers
+----
+1024
+
+# now delete some elements
+
+statement ok
+DELETE FROM integers WHERE a < 100
+
+# verify counts
+
+query I
+SELECT COUNT(b) FROM integers
+----
+924
+
+query I
+SELECT COUNT(b) FROM integers WHERE b = 1
+----
+924
+
+query I
+SELECT sum(b) FROM integers
+----
+924
+
+# now delete more elements
+
+statement ok
+DELETE FROM integers WHERE a < 600
+
+# verify counts
+
+query I
+SELECT COUNT(b) FROM integers
+----
+424
+
+query I
+SELECT COUNT(b) FROM integers WHERE b = 1
+----
+424
+
+query I
+SELECT sum(b) FROM integers
+----
+424
+
+# now delete all elements
+
+statement ok
+DELETE FROM integers WHERE a < 1024
+
+# verify counts
+
+query I
+SELECT COUNT(*) FROM integers
+----
+0
+
+query I
+SELECT COUNT(*) FROM integers WHERE b = 1
+----
+0
+
+query I
+SELECT COUNT(*) FROM integers
+----
+0
+
+statement ok
+DROP INDEX b_index
+
+statement ok
+DROP TABLE integers
+
+# test insertion after matching prefixes
+
+load __TEST_DIR__/test_index.db
+
+statement ok
+CREATE TABLE tbl_leaf_cov (id INTEGER);
+
+statement ok
+CREATE INDEX idx_leaf_cov ON tbl_leaf_cov(id);
+
+statement ok
+INSERT INTO tbl_leaf_cov VALUES (1), (1);
+
+# testing growing/shrinking leaves
+
+statement ok
+CREATE TABLE tbl_grow_shrink (id_var VARCHAR, id_int INTEGER, id_point BIGINT);
+
+statement ok
+CREATE INDEX idx_var ON tbl_grow_shrink(id_var);
+
+statement ok
+CREATE INDEX idx_int ON tbl_grow_shrink(id_int);
+
+statement ok
+CREATE INDEX idx_both ON tbl_grow_shrink(id_var, id_int, id_point);
+
+statement ok
+CREATE INDEX idx_point ON tbl_grow_shrink(id_point);
+
+# growing
+
+loop i 0 29
+
+statement ok
+INSERT INTO tbl_grow_shrink VALUES ('hello there stranger! :sunshine:', 2, ${i});
+
+query I
+SELECT id_var FROM tbl_grow_shrink WHERE rowid = (SELECT min(rowid) FROM tbl_grow_shrink);
+----
+hello there stranger! :sunshine:
+
+query I
+SELECT id_int FROM tbl_grow_shrink WHERE rowid = (SELECT min(rowid) FROM tbl_grow_shrink);
+----
+2
+
+query I
+SELECT count(id_var) FROM tbl_grow_shrink WHERE id_point = ${i};
+----
+1
+
+restart
+
+query I
+SELECT id_var FROM tbl_grow_shrink WHERE rowid = (SELECT min(rowid) FROM tbl_grow_shrink);
+----
+hello there stranger! :sunshine:
+
+query I
+SELECT id_int FROM tbl_grow_shrink WHERE rowid = (SELECT min(rowid) FROM tbl_grow_shrink);
+----
+2
+
+query I
+SELECT count(id_var) FROM tbl_grow_shrink WHERE id_point = ${i};
+----
+1
+
+endloop
+
+# some more queries
+
+query I
+SELECT count(id_var) FROM tbl_grow_shrink;
+----
+29
+
+query I
+SELECT sum(id_int) FROM tbl_grow_shrink;
+----
+58
+
+restart
+
+query I
+SELECT count(id_var) FROM tbl_grow_shrink;
+----
+29
+
+query I
+SELECT sum(id_int) FROM tbl_grow_shrink;
+----
+58
+
+# shrinking
+
+loop i 0 29
+
+query I
+SELECT id_var FROM tbl_grow_shrink WHERE rowid = (SELECT min(rowid) FROM tbl_grow_shrink);
+----
+hello there stranger! :sunshine:
+
+query I
+SELECT id_int FROM tbl_grow_shrink WHERE rowid = (SELECT min(rowid) FROM tbl_grow_shrink);
+----
+2
+
+query I
+SELECT count(id_var) FROM tbl_grow_shrink WHERE id_point = ${i};
+----
+1
+
+statement ok
+DELETE FROM tbl_grow_shrink WHERE rowid = (SELECT min(rowid) FROM tbl_grow_shrink);
+
+restart
+
+endloop
+
+# some final checking
+
+query I
+SELECT count(id_var) FROM tbl_grow_shrink;
+----
+0
+
+query I
+SELECT sum(id_int) FROM tbl_grow_shrink;
+----
+NULL
+
+# merging leaves
+
+statement ok
+CREATE TABLE merge_leaf_tbl (id int);
+
+statement ok
+INSERT INTO merge_leaf_tbl SELECT range FROM range(2048);
+
+statement ok
+INSERT INTO merge_leaf_tbl VALUES (2047);
+
+statement ok
+CREATE INDEX idx_merge_leaf_tbl ON merge_leaf_tbl(id);
+
+statement ok
+DROP INDEX idx_merge_leaf_tbl;
+
+statement ok
+INSERT INTO merge_leaf_tbl VALUES (2047);
+
+statement ok
+INSERT INTO merge_leaf_tbl SELECT range + 10000 FROM range(2048);
+
+statement ok
+INSERT INTO merge_leaf_tbl SELECT range + 10000 FROM range(2048);
+
+statement ok
+CREATE INDEX idx_merge_leaf_tbl ON merge_leaf_tbl(id);
+
+# code coverage of ART consisting of a single leaf
+
+statement ok
+CREATE TABLE tbl (i TINYINT);
+
+statement ok
+CREATE INDEX idx ON tbl(i);
+
+statement ok
+INSERT INTO tbl VALUES (1), (1), (1);

external/duckdb/test/sql/index/art/nodes/test_art_leaf_coverage.test

@@ -0,0 +1,88 @@
+# name: test/sql/index/art/nodes/test_art_leaf_coverage.test
+# description: ART coverage tests for leaves.
+# group: [nodes]
+
+# Test the deserialization of leaves.
+
+load __TEST_DIR__/art_vacuum.db
+
+statement ok
+CREATE TABLE duplicates (id UBIGINT);
+
+statement ok
+INSERT INTO duplicates SELECT range + 500 FROM range(500);
+
+loop i 0 16
+
+statement ok
+INSERT INTO duplicates SELECT range FROM range(500);
+
+endloop
+
+statement ok
+INSERT INTO duplicates SELECT range + 1000 FROM range(500);
+
+statement ok
+CREATE INDEX idx_duplicates ON duplicates(id);
+
+restart
+
+query I
+SELECT id FROM duplicates WHERE id = 255;
+----
+255
+255
+255
+255
+255
+255
+255
+255
+255
+255
+255
+255
+255
+255
+255
+255
+
+# test different paths in the Leaf::Merge functionality
+
+statement ok
+CREATE TABLE leaf_merge_1 (id UINT32, id2 INT64);
+
+statement ok
+INSERT INTO leaf_merge_1 SELECT range, range FROM range (0, 2048, 1);
+
+statement ok
+INSERT INTO leaf_merge_1 SELECT 2047, 2047 FROM range (10);
+
+statement ok
+CREATE INDEX idx_merge_1 ON leaf_merge_1(id, id2);
+
+statement ok
+CREATE TABLE leaf_merge_2 (id UINT32, id2 INT64);
+
+statement ok
+INSERT INTO leaf_merge_2 SELECT range, range FROM range (0, 2048, 1);
+
+statement ok
+INSERT INTO leaf_merge_2 VALUES (2047, 2047)
+
+statement ok
+CREATE INDEX idx_merge_2 ON leaf_merge_2(id, id2);
+
+# test merging leaves with same key
+
+statement ok
+CREATE TABLE tbl_dup_ser (id INTEGER);
+
+statement ok
+INSERT INTO tbl_dup_ser SELECT range FROM range(2043);
+
+statement ok
+INSERT INTO tbl_dup_ser SELECT 12345 FROM range(11);
+
+statement ok
+CREATE INDEX idx_dup_ser ON tbl_dup_ser(id);

external/duckdb/test/sql/index/art/nodes/test_art_leaf_with_duplicates.test_slow

@@ -0,0 +1,154 @@
+# name: test/sql/index/art/nodes/test_art_leaf_with_duplicates.test_slow
+# description: Test ART leaf containing duplicates
+# group: [nodes]
+
+statement ok
+PRAGMA enable_verification
+
+statement ok
+CREATE TABLE integers(i integer)
+
+statement ok
+CREATE INDEX i_index ON integers(i)
+
+# insert 4 elements
+statement ok
+INSERT INTO integers SELECT 1 FROM range(4)
+
+# verify counts
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+4
+
+# verify sums
+
+query I
+SELECT sum(i) FROM integers WHERE i <= 2
+----
+4
+
+# now delete all elements
+
+statement ok
+DELETE FROM integers WHERE i = 1
+
+# verify counts
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+0
+
+query I
+SELECT COUNT(*) FROM integers
+----
+0
+
+# insert 1024 elements
+statement ok
+INSERT INTO integers SELECT 1 FROM range(1024);
+
+# verify counts
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+1024
+
+# verify sums
+
+query I
+SELECT sum(i) FROM integers WHERE i <= 2
+----
+1024
+
+# now delete all elements
+
+statement ok
+DELETE FROM integers WHERE i = 1
+
+# verify counts
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+0
+
+query I
+SELECT COUNT(*) FROM integers
+----
+0
+
+# insert 3000 elements: 1
+statement ok
+INSERT INTO integers SELECT 1 FROM range(3000);
+
+# insert 1024 elements: 2
+statement ok
+INSERT INTO integers SELECT 2 FROM range(1024);
+
+# verify counts
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+3000
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 2
+----
+1024
+
+query I
+SELECT COUNT(*) FROM integers WHERE i <= 2
+----
+4024
+
+# verify sums
+
+query I
+SELECT sum(i) FROM integers WHERE i <= 2
+----
+5048
+
+# now delete all elements: 2
+
+statement ok
+DELETE FROM integers WHERE i = 2
+
+# verify counts
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+3000
+
+query I
+SELECT COUNT(*) FROM integers
+----
+3000
+
+# now delete all elements: 1
+
+statement ok
+DELETE FROM integers WHERE i = 1
+
+# verify counts
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+0
+
+query I
+SELECT COUNT(*) FROM integers
+----
+0
+
+statement ok
+DROP INDEX i_index
+
+statement ok
+DROP TABLE integers

external/duckdb/test/sql/index/art/nodes/test_art_node_16.test

@@ -0,0 +1,63 @@
+# name: test/sql/index/art/nodes/test_art_node_16.test
+# description: Test ART Node 16
+# group: [nodes]
+
+load __TEST_DIR__/test_index.db
+
+statement ok
+CREATE TABLE integers(i integer)
+
+statement ok
+CREATE INDEX i_index ON integers(i)
+
+# insert elements
+
+loop i 0 6
+
+statement ok
+INSERT INTO integers VALUES (${i} + 1);
+
+endloop
+
+restart
+
+# verify counts
+
+loop i 0 6
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = ${i} + 1
+----
+1
+
+endloop
+
+# verify sums
+
+query I
+SELECT sum(i) FROM integers WHERE i <= 2
+----
+3
+
+query I
+SELECT sum(i) FROM integers WHERE i > 4
+----
+11
+
+# now delete all elements
+
+loop i 0 6
+
+statement ok
+DELETE FROM integers WHERE i = ${i} + 1
+
+endloop
+
+statement ok
+DELETE FROM integers WHERE i = 0
+
+statement ok
+DROP INDEX i_index
+
+statement ok
+DROP TABLE integers

external/duckdb/test/sql/index/art/nodes/test_art_node_256.test

@@ -0,0 +1,81 @@
+# name: test/sql/index/art/nodes/test_art_node_256.test
+# description: Test ART Node 256
+# group: [nodes]
+
+load __TEST_DIR__/test_index.db
+
+statement ok
+CREATE TABLE integers(i integer)
+
+statement ok
+CREATE INDEX i_index ON integers(i)
+
+# insert elements
+
+loop i 0 60
+
+statement ok
+INSERT INTO integers VALUES (${i} + 1);
+
+endloop
+
+restart
+
+# verify counts
+
+loop i 0 20
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = ${i} + 1
+----
+1
+
+endloop
+
+# verify sums
+
+query I
+SELECT sum(i) FROM integers WHERE i <= 2
+----
+3
+
+query I
+SELECT sum(i) FROM integers WHERE i > 15
+----
+1710
+
+# delete an element and reinsert it
+
+statement ok
+DELETE FROM integers WHERE i=16;
+
+statement ok
+INSERT INTO integers VALUES (16);
+
+query I
+SELECT sum(i) FROM integers WHERE i <= 2
+----
+3
+
+query I
+SELECT sum(i) FROM integers WHERE i > 15
+----
+1710
+
+# now delete all elements
+
+loop i 0 60
+
+statement ok
+DELETE FROM integers WHERE i = ${i} + 1
+
+endloop
+
+statement ok
+DELETE FROM integers WHERE i = 0
+
+statement ok
+DROP INDEX i_index
+
+statement ok
+DROP TABLE integers

external/duckdb/test/sql/index/art/nodes/test_art_node_4.test

@@ -0,0 +1,63 @@
+# name: test/sql/index/art/nodes/test_art_node_4.test
+# description: Test ART Node 4
+# group: [nodes]
+
+load __TEST_DIR__/test_index.db
+
+statement ok
+CREATE TABLE integers(i integer)
+
+statement ok
+CREATE INDEX i_index ON integers(i)
+
+# insert elements
+
+loop i 0 4
+
+statement ok
+INSERT INTO integers VALUES (${i} + 1);
+
+endloop
+
+restart
+
+# verify counts
+
+loop i 0 4
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = ${i} + 1
+----
+1
+
+endloop
+
+# verify sums
+
+query I
+SELECT sum(i) FROM integers WHERE i <= 2
+----
+3
+
+query I
+SELECT sum(i) FROM integers WHERE i > 1
+----
+9
+
+# now delete all elements
+
+loop i 0 4
+
+statement ok
+DELETE FROM integers WHERE i = ${i} + 1
+
+endloop
+
+statement ok
+DELETE FROM integers WHERE i = 0
+
+statement ok
+DROP INDEX i_index
+
+statement ok
+DROP TABLE integers

external/duckdb/test/sql/index/art/nodes/test_art_node_48.test

@@ -0,0 +1,114 @@
+# name: test/sql/index/art/nodes/test_art_node_48.test
+# description: Test ART Node 48
+# group: [nodes]
+
+load __TEST_DIR__/test_index.db
+
+statement ok
+CREATE TABLE integers(i integer)
+
+statement ok
+CREATE INDEX i_index ON integers(i)
+
+# insert elements
+
+loop i 0 20
+
+statement ok
+INSERT INTO integers VALUES (${i} + 1);
+
+endloop
+
+restart
+
+# verify counts
+
+loop i 0 20
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = ${i} + 1
+----
+1
+
+endloop
+
+# verify sums
+
+query I
+SELECT sum(i) FROM integers WHERE i <= 2
+----
+3
+
+query I
+SELECT sum(i) FROM integers WHERE i > 15
+----
+90
+
+# delete an element and reinsert it
+
+statement ok
+DELETE FROM integers WHERE i=16;
+
+statement ok
+INSERT INTO integers VALUES (16);
+
+query I
+SELECT sum(i) FROM integers WHERE i <= 2
+----
+3
+
+query I
+SELECT sum(i) FROM integers WHERE i > 15
+----
+90
+
+# now delete all elements
+
+loop i 0 20
+
+statement ok
+DELETE FROM integers WHERE i = ${i} + 1
+
+endloop
+
+statement ok
+DELETE FROM integers WHERE i = 0
+
+statement ok
+DROP INDEX i_index
+
+statement ok
+DROP TABLE integers
+
+statement ok
+CREATE TABLE n48_tbl(i varchar, k integer)
+
+statement ok
+INSERT INTO n48_tbl SELECT 'a', range FROM range(10000);
+
+statement ok
+INSERT INTO n48_tbl SELECT 'b', range FROM range(25);
+
+statement ok
+INSERT INTO n48_tbl SELECT 'c', range FROM range(25);
+
+statement ok
+CREATE INDEX n48_tbl_idx ON n48_tbl(i, k);
+
+# test freeing all the children of a Node48
+
+statement ok
+CREATE TABLE n48_free (id INTEGER);
+
+statement ok
+INSERT INTO n48_free SELECT range % 100 FROM range(2048);
+
+loop i 0 20
+
+statement ok
+INSERT INTO n48_free VALUES (${i} + 107);
+
+endloop
+
+statement ok
+CREATE INDEX idx_n48_free ON n48_free(id);

external/duckdb/test/sql/index/art/nodes/test_art_prefix_edge_cases.test_slow

@@ -0,0 +1,959 @@
+# name: test/sql/index/art/nodes/test_art_prefix_edge_cases.test_slow
+# description: Test ART prefix edge cases
+# group: [nodes]
+
+statement ok
+PRAGMA enable_verification
+
+statement ok
+CREATE TABLE integers(i BIGINT)
+
+statement ok
+CREATE INDEX i_index ON integers using art(i)
+
+# a bunch of values with different prefixes
+statement ok
+INSERT INTO integers VALUES (9312908412824241)
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824241
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 9223372036854775808
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i >= 0
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 0
+----
+0
+
+statement ok
+INSERT INTO integers VALUES (-2092042498432234)
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824241
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432234
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers
+----
+2
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 9223372036854775808
+----
+2
+
+query I
+SELECT COUNT(*) FROM integers WHERE i >= 0
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 0
+----
+1
+
+statement ok
+INSERT INTO integers VALUES (1)
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824241
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432234
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers
+----
+3
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 9223372036854775808
+----
+3
+
+query I
+SELECT COUNT(*) FROM integers WHERE i >= 0
+----
+2
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 0
+----
+1
+
+statement ok
+INSERT INTO integers VALUES (-100)
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824241
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432234
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -100
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers
+----
+4
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 9223372036854775808
+----
+4
+
+query I
+SELECT COUNT(*) FROM integers WHERE i >= 0
+----
+2
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 0
+----
+2
+
+statement ok
+INSERT INTO integers VALUES (0)
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824241
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432234
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -100
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 0
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers
+----
+5
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 9223372036854775808
+----
+5
+
+query I
+SELECT COUNT(*) FROM integers WHERE i >= 0
+----
+3
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 0
+----
+2
+
+statement ok
+INSERT INTO integers VALUES (-598538523852390852)
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824241
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432234
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -100
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 0
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -598538523852390852
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers
+----
+6
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 9223372036854775808
+----
+6
+
+query I
+SELECT COUNT(*) FROM integers WHERE i >= 0
+----
+3
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 0
+----
+3
+
+statement ok
+INSERT INTO integers VALUES (4298421)
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824241
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432234
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -100
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 0
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -598538523852390852
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 4298421
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers
+----
+7
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 9223372036854775808
+----
+7
+
+query I
+SELECT COUNT(*) FROM integers WHERE i >= 0
+----
+4
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 0
+----
+3
+
+statement ok
+INSERT INTO integers VALUES (-498249)
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824241
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432234
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -100
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 0
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -598538523852390852
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 4298421
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -498249
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers
+----
+8
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 9223372036854775808
+----
+8
+
+query I
+SELECT COUNT(*) FROM integers WHERE i >= 0
+----
+4
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 0
+----
+4
+
+statement ok
+INSERT INTO integers VALUES (9312908412824240)
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824241
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432234
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -100
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 0
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -598538523852390852
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 4298421
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -498249
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824240
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers
+----
+9
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 9223372036854775808
+----
+9
+
+query I
+SELECT COUNT(*) FROM integers WHERE i >= 0
+----
+5
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 0
+----
+4
+
+statement ok
+INSERT INTO integers VALUES (-2092042498432235)
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824241
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432234
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -100
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 0
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -598538523852390852
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 4298421
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -498249
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824240
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432235
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers
+----
+10
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 9223372036854775808
+----
+10
+
+query I
+SELECT COUNT(*) FROM integers WHERE i >= 0
+----
+5
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 0
+----
+5
+
+statement ok
+INSERT INTO integers VALUES (2)
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824241
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432234
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -100
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 0
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -598538523852390852
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 4298421
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -498249
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824240
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432235
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 2
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers
+----
+11
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 9223372036854775808
+----
+11
+
+query I
+SELECT COUNT(*) FROM integers WHERE i >= 0
+----
+6
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 0
+----
+5
+
+statement ok
+INSERT INTO integers VALUES (-101)
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824241
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432234
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -100
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 0
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -598538523852390852
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 4298421
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -498249
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824240
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432235
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 2
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -101
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers
+----
+12
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 9223372036854775808
+----
+12
+
+query I
+SELECT COUNT(*) FROM integers WHERE i >= 0
+----
+6
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 0
+----
+6
+
+statement ok
+INSERT INTO integers VALUES (-598538523852390853)
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824241
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432234
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -100
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 0
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -598538523852390852
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 4298421
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -498249
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824240
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432235
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 2
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -101
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -598538523852390853
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers
+----
+13
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 9223372036854775808
+----
+13
+
+query I
+SELECT COUNT(*) FROM integers WHERE i >= 0
+----
+6
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 0
+----
+7
+
+statement ok
+INSERT INTO integers VALUES (4298422)
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824241
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432234
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -100
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 0
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -598538523852390852
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 4298421
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -498249
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824240
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432235
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 2
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -101
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -598538523852390853
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 4298422
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers
+----
+14
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 9223372036854775808
+----
+14
+
+query I
+SELECT COUNT(*) FROM integers WHERE i >= 0
+----
+7
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 0
+----
+7
+
+statement ok
+INSERT INTO integers VALUES (-498261)
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824241
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432234
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 1
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -100
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 0
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -598538523852390852
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 4298421
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -498249
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 9312908412824240
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -2092042498432235
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 2
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -101
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -598538523852390853
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = 4298422
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers WHERE i = -498261
+----
+1
+
+query I
+SELECT COUNT(*) FROM integers
+----
+15
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 9223372036854775808
+----
+15
+
+query I
+SELECT COUNT(*) FROM integers WHERE i >= 0
+----
+7
+
+query I
+SELECT COUNT(*) FROM integers WHERE i < 0
+----
+8
+

external/duckdb/test/sql/index/art/nodes/test_art_prefixes.test_slow

@@ -0,0 +1,124 @@
+# name: test/sql/index/art/nodes/test_art_prefixes.test_slow
+# description: Test different ART prefixes
+# group: [nodes]
+
+statement ok
+PRAGMA enable_verification
+
+# very mixed-length prefixes
+
+statement ok
+CREATE TABLE different_prefixes(str VARCHAR);
+
+statement ok
+INSERT INTO different_prefixes SELECT 'my first very long prefix that is really very long' || range FROM range(2048);
+
+statement ok
+INSERT INTO different_prefixes SELECT (range / 100)::VARCHAR || range::VARCHAR FROM range(2048);
+
+statement ok
+INSERT INTO different_prefixes SELECT 'my first very long prefix, the other not quite as long prefix that is still very long' || range FROM range(2048);
+
+statement ok
+INSERT INTO different_prefixes SELECT 'my first very long prefix, the other not quite as long prefix that is still very long and even longer omg!' || range FROM range(2048);
+
+statement ok
+INSERT INTO different_prefixes SELECT range::VARCHAR || (range + 1)::VARCHAR FROM range(2048);
+
+statement ok
+CREATE INDEX idx_different_prefixes ON different_prefixes(str);
+
+statement ok
+DELETE FROM different_prefixes
+WHERE rowid IN (SELECT rowid FROM different_prefixes LIMIT 1000);
+
+statement ok
+DELETE FROM different_prefixes
+WHERE rowid IN (SELECT rowid FROM different_prefixes LIMIT 3000);
+
+statement ok
+DROP INDEX idx_different_prefixes;
+
+# this time all prefixes are long
+
+statement ok
+CREATE TABLE longer_prefixes(str VARCHAR);
+
+statement ok
+INSERT INTO longer_prefixes
+SELECT 'my first very long prefix that is really very long' || range FROM range(2048);
+
+statement ok
+INSERT INTO longer_prefixes
+SELECT 'my first very long prefix, the other not quite as long prefix that is still very long' || range FROM range(2048);
+
+statement ok
+CREATE INDEX idx_longer_prefixes ON longer_prefixes(str);
+
+query I
+SELECT str FROM longer_prefixes
+WHERE str = 'my first very long prefix that is really very long77';
+----
+my first very long prefix that is really very long77
+
+statement ok
+DROP INDEX idx_longer_prefixes;
+
+# more distinct prefixes
+
+statement ok
+CREATE TABLE distinct_prefixes (str VARCHAR);
+
+statement ok
+INSERT INTO distinct_prefixes SELECT
+	'2022-01-01'::DATE + range::INTEGER * 1000 ||
+	'1004-02-01'::DATE + range::INTEGER * 100 ||
+	'.' || '6004-02-01'::DATE + range::INTEGER * 2000
+	FROM range(100000);
+
+statement ok
+CREATE INDEX idx_distinct_prefixes ON distinct_prefixes(str);
+
+statement ok
+DROP INDEX idx_distinct_prefixes;
+
+# more mixed-length distinct prefixes
+
+statement ok
+CREATE TABLE mixed_distinct_prefixes (str VARCHAR);
+
+statement ok
+INSERT INTO mixed_distinct_prefixes SELECT
+	'2022-01-01'::DATE + range::INTEGER * 1000
+	FROM range(100000);
+
+statement ok
+INSERT INTO mixed_distinct_prefixes SELECT
+	'2022-01-01'::DATE + range::INTEGER * 1000 ||
+	'1004-02-01'::DATE + range::INTEGER * 100
+	FROM range(100000);
+
+statement ok
+INSERT INTO mixed_distinct_prefixes SELECT
+	'2022-01-01'::DATE + range::INTEGER * 1000 ||
+	'1004-02-01'::DATE + range::INTEGER * 100 ||
+	'.' || '6004-02-01'::DATE + range::INTEGER * 2000
+	FROM range(100000);
+
+statement ok
+CREATE INDEX idx_mixed_distinct_prefixes ON mixed_distinct_prefixes(str);
+
+statement ok
+DELETE FROM mixed_distinct_prefixes
+WHERE rowid IN (SELECT rowid FROM mixed_distinct_prefixes LIMIT 1000);
+
+statement ok
+DELETE FROM mixed_distinct_prefixes
+WHERE rowid IN (SELECT rowid FROM mixed_distinct_prefixes LIMIT 1000);
+
+statement ok
+DELETE FROM mixed_distinct_prefixes
+WHERE rowid IN (SELECT rowid FROM mixed_distinct_prefixes LIMIT 1000);
+
+statement ok
+DROP INDEX idx_mixed_distinct_prefixes;

external/duckdb/test/sql/index/art/nodes/test_art_prefixes_restart.test

@@ -0,0 +1,65 @@
+# name: test/sql/index/art/nodes/test_art_prefixes_restart.test
+# description: Test the (de)serialization of different ART prefixes
+# group: [nodes]
+
+load __TEST_DIR__/test_art_prefixes.db
+
+statement ok
+CREATE TABLE tbl (id INTEGER);
+
+statement ok
+CREATE INDEX idx ON tbl(id);
+
+# insert two children into a Node4
+statement ok
+INSERT INTO tbl VALUES (1), (2);
+
+restart
+
+# delete one child, the other child will still be serialized
+statement ok
+DELETE FROM tbl WHERE id = 1;
+
+# now do the same, but with a very long shared prefix
+
+statement ok
+CREATE TABLE tbl_varchar (id VARCHAR);
+
+statement ok
+CREATE INDEX idx_varchar ON tbl_varchar(id);
+
+# insert two children into a Node4
+statement ok
+INSERT INTO tbl_varchar VALUES
+	('hello I am a prefix, and it is a beautiful sommer evening, and the plants are blossoming - 1'),
+	('hello I am a prefix, and it is a beautiful sommer evening, and the plants are blossoming - 2');
+
+restart
+
+# delete one child, the other child will still be serialized
+statement ok
+DELETE FROM tbl_varchar
+WHERE id = 'hello I am a prefix, and it is a beautiful sommer evening, and the plants are blossoming - 1';
+
+# now we test splitting prefixes
+
+statement ok
+DELETE FROM tbl_varchar;
+
+statement ok
+INSERT INTO tbl_varchar VALUES ('012345678901234'), ('012345678901235');
+
+# now with serialized prefixes
+
+statement ok
+DELETE FROM tbl_varchar;
+
+statement ok
+INSERT INTO tbl_varchar VALUES
+	('0123456789-0123456789-0123456789-0123456789');
+
+restart
+
+statement ok
+INSERT INTO tbl_varchar VALUES
+	('0123456779-0123456789-0123456789-0123456789');

external/duckdb/test/sql/index/art/nodes/test_art_sparse_merge.test

@@ -0,0 +1,25 @@
+# name: test/sql/index/art/nodes/test_art_sparse_merge.test
+# description: Test sparse row IDs for duplicate keys when merging.
+# group: [nodes]
+
+statement ok
+CREATE TABLE tbl1 (i INT);
+
+loop i 0 8
+
+statement ok
+INSERT INTO tbl1 SELECT range FROM range(50000);
+
+statement ok
+DELETE FROM tbl1 WHERE i > 4;
+
+endloop
+
+# Parallel index construction.
+statement ok
+CREATE INDEX idx ON tbl1(i);
+
+query I
+SELECT COUNT(i) FROM tbl1 WHERE i = 1;
+----
+8

external/duckdb/test/sql/index/art/nodes/test_art_sparse_row_ids.test_slow

@@ -0,0 +1,64 @@
+# name: test/sql/index/art/nodes/test_art_sparse_row_ids.test_slow
+# description: Test sparse row IDs for duplicate keys.
+# group: [nodes]
+
+statement ok
+PRAGMA enable_verification
+
+# We try to create sparse row IDs up to their 4'th byte.
+# The maximum value of 3 bytes is 16,777,215.
+
+statement ok
+CREATE TABLE tbl1 (i INT);
+
+statement ok
+CREATE TABLE tbl2 (i INT);
+
+# Inserting into the index chunk-at-a-time.
+statement ok
+CREATE INDEX idx2 ON tbl2(i);
+
+loop i 0 100
+
+statement ok
+INSERT INTO tbl1 SELECT range FROM range(50000);
+
+statement ok
+INSERT INTO tbl2 SELECT range FROM range(50000);
+
+query I
+SELECT COUNT(i) = ${i} + 1 FROM tbl2 WHERE i = 96;
+----
+1
+
+statement ok
+DELETE FROM tbl1 WHERE i > 270;
+
+statement ok
+DELETE FROM tbl2 WHERE i > 270;
+
+endloop
+
+# Parallel index construction.
+statement ok
+CREATE INDEX idx ON tbl1(i);
+
+query I
+SELECT COUNT(i) FROM tbl1 WHERE i = 49;
+----
+100
+
+query I
+SELECT COUNT(i) FROM tbl2 WHERE i = 49;
+----
+100
+
+query I
+SELECT COUNT(i) FROM tbl1 WHERE rowid = (SELECT MAX(rowid) FROM tbl1);
+----
+1
+
+query I
+SELECT COUNT(i) FROM tbl2 WHERE rowid = (SELECT MAX(rowid) FROM tbl2);
+----
+1