Index: third_party/sqlite/sqlite-src-3080704/test/analyze4.test |
diff --git a/third_party/sqlite/sqlite-src-3080704/test/analyze4.test b/third_party/sqlite/sqlite-src-3080704/test/analyze4.test |
deleted file mode 100644 |
index 974ed89a867cec68f48158c76ca6ce528d047d62..0000000000000000000000000000000000000000 |
--- a/third_party/sqlite/sqlite-src-3080704/test/analyze4.test |
+++ /dev/null |
@@ -1,111 +0,0 @@ |
-# 2011 January 04 |
-# |
-# 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. |
-# |
-#*********************************************************************** |
-# |
-# This file implements regression tests for SQLite library. This file |
-# implements tests for ANALYZE to verify that multiple rows containing |
-# a NULL value count as distinct rows for the purposes of analyze |
-# statistics. |
-# |
-# Also include test cases for collating sequences on indices. |
-# |
- |
-set testdir [file dirname $argv0] |
-source $testdir/tester.tcl |
- |
-do_test analyze4-1.0 { |
- db eval { |
- CREATE TABLE t1(a,b); |
- CREATE INDEX t1a ON t1(a); |
- CREATE INDEX t1b ON t1(b); |
- INSERT INTO t1 VALUES(1,NULL); |
- INSERT INTO t1 SELECT a+1, b FROM t1; |
- INSERT INTO t1 SELECT a+2, b FROM t1; |
- INSERT INTO t1 SELECT a+4, b FROM t1; |
- INSERT INTO t1 SELECT a+8, b FROM t1; |
- INSERT INTO t1 SELECT a+16, b FROM t1; |
- INSERT INTO t1 SELECT a+32, b FROM t1; |
- INSERT INTO t1 SELECT a+64, b FROM t1; |
- ANALYZE; |
- } |
- |
- # Should choose the t1a index since it is more specific than t1b. |
- db eval {EXPLAIN QUERY PLAN SELECT * FROM t1 WHERE a=5 AND b IS NULL} |
-} {0 0 0 {SEARCH TABLE t1 USING INDEX t1a (a=?)}} |
- |
-# Verify that the t1b index shows that it does not narrow down the |
-# search any at all. |
-# |
-do_test analyze4-1.1 { |
- db eval { |
- SELECT idx, stat FROM sqlite_stat1 WHERE tbl='t1' ORDER BY idx; |
- } |
-} {t1a {128 1} t1b {128 128}} |
- |
-# Change half of the b values from NULL to a constant. Verify |
-# that the number of rows selected in stat1 is half the total |
-# number of rows. |
-# |
-do_test analyze4-1.2 { |
- db eval { |
- UPDATE t1 SET b='x' WHERE a%2; |
- ANALYZE; |
- SELECT idx, stat FROM sqlite_stat1 WHERE tbl='t1' ORDER BY idx; |
- } |
-} {t1a {128 1} t1b {128 64}} |
- |
-# Change the t1.b values all back to NULL. Add columns t1.c and t1.d. |
-# Create a multi-column indices using t1.b and verify that ANALYZE |
-# processes them correctly. |
-# |
-do_test analyze4-1.3 { |
- db eval { |
- UPDATE t1 SET b=NULL; |
- ALTER TABLE t1 ADD COLUMN c; |
- ALTER TABLE t1 ADD COLUMN d; |
- UPDATE t1 SET c=a/4, d=a/2; |
- CREATE INDEX t1bcd ON t1(b,c,d); |
- CREATE INDEX t1cdb ON t1(c,d,b); |
- CREATE INDEX t1cbd ON t1(c,b,d); |
- ANALYZE; |
- SELECT idx, stat FROM sqlite_stat1 WHERE tbl='t1' ORDER BY idx; |
- } |
-} {t1a {128 1} t1b {128 128} t1bcd {128 128 4 2} t1cbd {128 4 4 2} t1cdb {128 4 2 2}} |
- |
-# Verify that collating sequences are taken into account when computing |
-# ANALYZE statistics. |
-# |
-do_test analyze4-2.0 { |
- db eval { |
- CREATE TABLE t2( |
- x INTEGER PRIMARY KEY, |
- a TEXT COLLATE nocase, |
- b TEXT COLLATE rtrim, |
- c TEXT COLLATE binary |
- ); |
- CREATE INDEX t2a ON t2(a); |
- CREATE INDEX t2b ON t2(b); |
- CREATE INDEX t2c ON t2(c); |
- CREATE INDEX t2c2 ON t2(c COLLATE nocase); |
- CREATE INDEX t2c3 ON t2(c COLLATE rtrim); |
- INSERT INTO t2 VALUES(1, 'abc', 'abc', 'abc'); |
- INSERT INTO t2 VALUES(2, 'abC', 'abC', 'abC'); |
- INSERT INTO t2 VALUES(3, 'abc ', 'abc ', 'abc '); |
- INSERT INTO t2 VALUES(4, 'abC ', 'abC ', 'abC '); |
- INSERT INTO t2 VALUES(5, 'aBc', 'aBc', 'aBc'); |
- INSERT INTO t2 VALUES(6, 'aBC', 'aBC', 'aBC'); |
- INSERT INTO t2 VALUES(7, 'aBc ', 'aBc ', 'aBc '); |
- INSERT INTO t2 VALUES(8, 'aBC ', 'aBC ', 'aBC '); |
- ANALYZE; |
- SELECT idx, stat FROM sqlite_stat1 WHERE tbl='t2' ORDER BY idx; |
- } |
-} {t2a {8 4} t2b {8 2} t2c {8 1} t2c2 {8 4} t2c3 {8 2}} |
- |
-finish_test |