Index: third_party/sqlite/src/test/whereI.test |
diff --git a/third_party/sqlite/src/test/whereI.test b/third_party/sqlite/src/test/whereI.test |
new file mode 100644 |
index 0000000000000000000000000000000000000000..452e7f8f19f0f4310e0443cee7fa70d45b77c186 |
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+# 2014-03-31 |
+# |
+# 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. |
+# |
+#*********************************************************************** |
+# The focus of this file is testing the OR optimization on WITHOUT ROWID |
+# tables. |
+# |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+set ::testprefix whereI |
+ |
+do_execsql_test 1.0 { |
+ CREATE TABLE t1(a, b, c, PRIMARY KEY(a)) WITHOUT ROWID; |
+ INSERT INTO t1 VALUES(1, 'a', 'z'); |
+ INSERT INTO t1 VALUES(2, 'b', 'y'); |
+ INSERT INTO t1 VALUES(3, 'c', 'x'); |
+ INSERT INTO t1 VALUES(4, 'd', 'w'); |
+ CREATE INDEX i1 ON t1(b); |
+ CREATE INDEX i2 ON t1(c); |
+} |
+ |
+do_eqp_test 1.1 { |
+ SELECT a FROM t1 WHERE b='b' OR c='x' |
+} { |
+ 0 0 0 {SEARCH TABLE t1 USING INDEX i1 (b=?)} |
+ 0 0 0 {SEARCH TABLE t1 USING INDEX i2 (c=?)} |
+} |
+ |
+do_execsql_test 1.2 { |
+ SELECT a FROM t1 WHERE b='b' OR c='x' |
+} {2 3} |
+ |
+do_execsql_test 1.3 { |
+ SELECT a FROM t1 WHERE b='a' OR c='z' |
+} {1} |
+ |
+#---------------------------------------------------------------------- |
+# Try that again, this time with non integer PRIMARY KEY values. |
+# |
+do_execsql_test 2.0 { |
+ CREATE TABLE t2(a, b, c, PRIMARY KEY(a)) WITHOUT ROWID; |
+ INSERT INTO t2 VALUES('i', 'a', 'z'); |
+ INSERT INTO t2 VALUES('ii', 'b', 'y'); |
+ INSERT INTO t2 VALUES('iii', 'c', 'x'); |
+ INSERT INTO t2 VALUES('iv', 'd', 'w'); |
+ CREATE INDEX i3 ON t2(b); |
+ CREATE INDEX i4 ON t2(c); |
+} |
+ |
+do_eqp_test 2.1 { |
+ SELECT a FROM t2 WHERE b='b' OR c='x' |
+} { |
+ 0 0 0 {SEARCH TABLE t2 USING INDEX i3 (b=?)} |
+ 0 0 0 {SEARCH TABLE t2 USING INDEX i4 (c=?)} |
+} |
+ |
+do_execsql_test 2.2 { |
+ SELECT a FROM t2 WHERE b='b' OR c='x' |
+} {ii iii} |
+ |
+do_execsql_test 2.3 { |
+ SELECT a FROM t2 WHERE b='a' OR c='z' |
+} {i} |
+ |
+#---------------------------------------------------------------------- |
+# On a table with a multi-column PK. |
+# |
+do_execsql_test 3.0 { |
+ CREATE TABLE t3(a, b, c, d, PRIMARY KEY(c, b)) WITHOUT ROWID; |
+ |
+ INSERT INTO t3 VALUES('f', 1, 1, 'o'); |
+ INSERT INTO t3 VALUES('o', 2, 1, 't'); |
+ INSERT INTO t3 VALUES('t', 1, 2, 't'); |
+ INSERT INTO t3 VALUES('t', 2, 2, 'f'); |
+ |
+ CREATE INDEX t3i1 ON t3(d); |
+ CREATE INDEX t3i2 ON t3(a); |
+ |
+ SELECT c||'.'||b FROM t3 WHERE a='t' OR d='t' |
+} { |
+ 2.1 2.2 1.2 |
+} |
+ |
+finish_test |
+ |