Index: third_party/sqlite/sqlite-src-3070603/test/minmax3.test |
diff --git a/third_party/sqlite/sqlite-src-3070603/test/minmax3.test b/third_party/sqlite/sqlite-src-3070603/test/minmax3.test |
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index 0000000000000000000000000000000000000000..483fa612d27d41f2c2fdb6c84cbf491f04279d16 |
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+# 2008 January 5 |
+# |
+# The author disclaims copyright to this source code. In place of |
+# a legal notice, here is a blessing: |
+# |
+# May you do good and not evil. |
+# May you find forgiveness for yourself and forgive others. |
+# May you share freely, never taking more than you give. |
+# |
+#*********************************************************************** |
+# $Id: minmax3.test,v 1.5 2008/07/12 14:52:20 drh Exp $ |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+ |
+# Do not use a codec for tests in this file, as the database file is |
+# manipulated directly using tcl scripts (using the [hexio_write] command). |
+# |
+do_not_use_codec |
+ |
+# Do an SQL statement. Append the search count to the end of the result. |
+# |
+proc count sql { |
+ set ::sqlite_search_count 0 |
+ return [concat [execsql $sql] $::sqlite_search_count] |
+} |
+ |
+# This procedure sets the value of the file-format in file 'test.db' |
+# to $newval. Also, the schema cookie is incremented. |
+# |
+proc set_file_format {newval} { |
+ hexio_write test.db 44 [hexio_render_int32 $newval] |
+ set schemacookie [hexio_get_int [hexio_read test.db 40 4]] |
+ incr schemacookie |
+ hexio_write test.db 40 [hexio_render_int32 $schemacookie] |
+ return {} |
+} |
+ |
+do_test minmax3-1.0 { |
+ execsql { |
+ CREATE TABLE t1(x, y, z); |
+ } |
+ db close |
+ set_file_format 4 |
+ sqlite3 db test.db |
+ execsql { |
+ BEGIN; |
+ INSERT INTO t1 VALUES('1', 'I', 'one'); |
+ INSERT INTO t1 VALUES('2', 'IV', 'four'); |
+ INSERT INTO t1 VALUES('2', NULL, 'three'); |
+ INSERT INTO t1 VALUES('2', 'II', 'two'); |
+ INSERT INTO t1 VALUES('2', 'V', 'five'); |
+ INSERT INTO t1 VALUES('3', 'VI', 'six'); |
+ COMMIT; |
+ PRAGMA automatic_index=OFF; |
+ } |
+} {} |
+do_test minmax3-1.1.1 { |
+ # Linear scan. |
+ count { SELECT max(y) FROM t1 WHERE x = '2'; } |
+} {V 5} |
+do_test minmax3-1.1.2 { |
+ # Index optimizes the WHERE x='2' constraint. |
+ execsql { CREATE INDEX i1 ON t1(x) } |
+ count { SELECT max(y) FROM t1 WHERE x = '2'; } |
+} {V 9} |
+do_test minmax3-1.1.3 { |
+ # Index optimizes the WHERE x='2' constraint and the MAX(y). |
+ execsql { CREATE INDEX i2 ON t1(x,y) } |
+ count { SELECT max(y) FROM t1 WHERE x = '2'; } |
+} {V 1} |
+do_test minmax3-1.1.4 { |
+ # Index optimizes the WHERE x='2' constraint and the MAX(y). |
+ execsql { DROP INDEX i2 ; CREATE INDEX i2 ON t1(x, y DESC) } |
+ count { SELECT max(y) FROM t1 WHERE x = '2'; } |
+} {V 1} |
+do_test minmax3-1.1.5 { |
+ count { SELECT max(y) FROM t1 WHERE x = '2' AND y != 'V'; } |
+} {IV 2} |
+do_test minmax3-1.1.6 { |
+ count { SELECT max(y) FROM t1 WHERE x = '2' AND y < 'V'; } |
+} {IV 1} |
+do_test minmax3-1.1.6 { |
+ count { SELECT max(y) FROM t1 WHERE x = '2' AND z != 'five'; } |
+} {IV 4} |
+ |
+do_test minmax3-1.2.1 { |
+ # Linear scan of t1. |
+ execsql { DROP INDEX i1 ; DROP INDEX i2 } |
+ count { SELECT min(y) FROM t1 WHERE x = '2'; } |
+} {II 5} |
+do_test minmax3-1.2.2 { |
+ # Index i1 optimizes the WHERE x='2' constraint. |
+ execsql { CREATE INDEX i1 ON t1(x) } |
+ count { SELECT min(y) FROM t1 WHERE x = '2'; } |
+} {II 9} |
+do_test minmax3-1.2.3 { |
+ # Index i2 optimizes the WHERE x='2' constraint and the min(y). |
+ execsql { CREATE INDEX i2 ON t1(x,y) } |
+ count { SELECT min(y) FROM t1 WHERE x = '2'; } |
+} {II 1} |
+do_test minmax3-1.2.4 { |
+ # Index optimizes the WHERE x='2' constraint and the MAX(y). |
+ execsql { DROP INDEX i2 ; CREATE INDEX i2 ON t1(x, y DESC) } |
+ count { SELECT min(y) FROM t1 WHERE x = '2'; } |
+} {II 1} |
+ |
+do_test minmax3-1.3.1 { |
+ # Linear scan |
+ execsql { DROP INDEX i1 ; DROP INDEX i2 } |
+ count { SELECT min(y) FROM t1; } |
+} {I 5} |
+do_test minmax3-1.3.2 { |
+ # Index i1 optimizes the min(y) |
+ execsql { CREATE INDEX i1 ON t1(y) } |
+ count { SELECT min(y) FROM t1; } |
+} {I 1} |
+do_test minmax3-1.3.3 { |
+ # Index i1 optimizes the min(y) |
+ execsql { DROP INDEX i1 ; CREATE INDEX i1 ON t1(y DESC) } |
+ count { SELECT min(y) FROM t1; } |
+} {I 1} |
+ |
+do_test minmax3-1.4.1 { |
+ # Linear scan |
+ execsql { DROP INDEX i1 } |
+ count { SELECT max(y) FROM t1; } |
+} {VI 5} |
+do_test minmax3-1.4.2 { |
+ # Index i1 optimizes the max(y) |
+ execsql { CREATE INDEX i1 ON t1(y) } |
+ count { SELECT max(y) FROM t1; } |
+} {VI 0} |
+do_test minmax3-1.4.3 { |
+ # Index i1 optimizes the max(y) |
+ execsql { DROP INDEX i1 ; CREATE INDEX i1 ON t1(y DESC) } |
+ execsql { SELECT y from t1} |
+ count { SELECT max(y) FROM t1; } |
+} {VI 0} |
+do_test minmax3-1.4.4 { |
+ execsql { DROP INDEX i1 } |
+} {} |
+ |
+do_test minmax3-2.1 { |
+ execsql { |
+ CREATE TABLE t2(a, b); |
+ CREATE INDEX i3 ON t2(a, b); |
+ INSERT INTO t2 VALUES(1, NULL); |
+ INSERT INTO t2 VALUES(1, 1); |
+ INSERT INTO t2 VALUES(1, 2); |
+ INSERT INTO t2 VALUES(1, 3); |
+ INSERT INTO t2 VALUES(2, NULL); |
+ INSERT INTO t2 VALUES(2, 1); |
+ INSERT INTO t2 VALUES(2, 2); |
+ INSERT INTO t2 VALUES(2, 3); |
+ INSERT INTO t2 VALUES(3, 1); |
+ INSERT INTO t2 VALUES(3, 2); |
+ INSERT INTO t2 VALUES(3, 3); |
+ } |
+} {} |
+do_test minmax3-2.2 { |
+ execsql { SELECT min(b) FROM t2 WHERE a = 1; } |
+} {1} |
+do_test minmax3-2.3 { |
+ execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b>1; } |
+} {2} |
+do_test minmax3-2.4 { |
+ execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b>-1; } |
+} {1} |
+do_test minmax3-2.5 { |
+ execsql { SELECT min(b) FROM t2 WHERE a = 1; } |
+} {1} |
+do_test minmax3-2.6 { |
+ execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b<2; } |
+} {1} |
+do_test minmax3-2.7 { |
+ execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b<1; } |
+} {{}} |
+do_test minmax3-2.8 { |
+ execsql { SELECT min(b) FROM t2 WHERE a = 3 AND b<1; } |
+} {{}} |
+ |
+do_test minmax3-3.1 { |
+ execsql { |
+ DROP TABLE t2; |
+ CREATE TABLE t2(a, b); |
+ CREATE INDEX i3 ON t2(a, b DESC); |
+ INSERT INTO t2 VALUES(1, NULL); |
+ INSERT INTO t2 VALUES(1, 1); |
+ INSERT INTO t2 VALUES(1, 2); |
+ INSERT INTO t2 VALUES(1, 3); |
+ INSERT INTO t2 VALUES(2, NULL); |
+ INSERT INTO t2 VALUES(2, 1); |
+ INSERT INTO t2 VALUES(2, 2); |
+ INSERT INTO t2 VALUES(2, 3); |
+ INSERT INTO t2 VALUES(3, 1); |
+ INSERT INTO t2 VALUES(3, 2); |
+ INSERT INTO t2 VALUES(3, 3); |
+ } |
+} {} |
+do_test minmax3-3.2 { |
+ execsql { SELECT min(b) FROM t2 WHERE a = 1; } |
+} {1} |
+do_test minmax3-3.3 { |
+ execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b>1; } |
+} {2} |
+do_test minmax3-3.4 { |
+ execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b>-1; } |
+} {1} |
+do_test minmax3-3.5 { |
+ execsql { SELECT min(b) FROM t2 WHERE a = 1; } |
+} {1} |
+do_test minmax3-3.6 { |
+ execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b<2; } |
+} {1} |
+do_test minmax3-3.7 { |
+ execsql { SELECT min(b) FROM t2 WHERE a = 1 AND b<1; } |
+} {{}} |
+do_test minmax3-3.8 { |
+ execsql { SELECT min(b) FROM t2 WHERE a = 3 AND b<1; } |
+} {{}} |
+ |
+do_test minmax3-4.1 { |
+ execsql { |
+ CREATE TABLE t4(x); |
+ INSERT INTO t4 VALUES('abc'); |
+ INSERT INTO t4 VALUES('BCD'); |
+ SELECT max(x) FROM t4; |
+ } |
+} {abc} |
+do_test minmax3-4.2 { |
+ execsql { |
+ SELECT max(x COLLATE nocase) FROM t4; |
+ } |
+} {BCD} |
+do_test minmax3-4.3 { |
+ execsql { |
+ SELECT max(x), max(x COLLATE nocase) FROM t4; |
+ } |
+} {abc BCD} |
+do_test minmax3-4.4 { |
+ execsql { |
+ SELECT max(x COLLATE binary), max(x COLLATE nocase) FROM t4; |
+ } |
+} {abc BCD} |
+do_test minmax3-4.5 { |
+ execsql { |
+ SELECT max(x COLLATE nocase), max(x COLLATE rtrim) FROM t4; |
+ } |
+} {BCD abc} |
+do_test minmax3-4.6 { |
+ execsql { |
+ SELECT max(x COLLATE nocase), max(x) FROM t4; |
+ } |
+} {BCD abc} |
+do_test minmax3-4.10 { |
+ execsql { |
+ SELECT min(x) FROM t4; |
+ } |
+} {BCD} |
+do_test minmax3-4.11 { |
+ execsql { |
+ SELECT min(x COLLATE nocase) FROM t4; |
+ } |
+} {abc} |
+do_test minmax3-4.12 { |
+ execsql { |
+ SELECT min(x), min(x COLLATE nocase) FROM t4; |
+ } |
+} {BCD abc} |
+do_test minmax3-4.13 { |
+ execsql { |
+ SELECT min(x COLLATE binary), min(x COLLATE nocase) FROM t4; |
+ } |
+} {BCD abc} |
+do_test minmax3-4.14 { |
+ execsql { |
+ SELECT min(x COLLATE nocase), min(x COLLATE rtrim) FROM t4; |
+ } |
+} {abc BCD} |
+do_test minmax3-4.15 { |
+ execsql { |
+ SELECT min(x COLLATE nocase), min(x) FROM t4; |
+ } |
+} {abc BCD} |
+ |
+ |
+finish_test |