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-rw-r--r--test/where3.test132
1 files changed, 97 insertions, 35 deletions
diff --git a/test/where3.test b/test/where3.test
index e08f905..c2804b5 100644
--- a/test/where3.test
+++ b/test/where3.test
@@ -103,12 +103,22 @@ ifcapable explain {
}
# This procedure executes the SQL. Then it appends
-# the ::sqlite_query_plan variable.
+# the names of the table and index used
#
proc queryplan {sql} {
set ::sqlite_sort_count 0
set data [execsql $sql]
- return [concat $data $::sqlite_query_plan]
+ set eqp [execsql "EXPLAIN QUERY PLAN $sql"]
+ # puts eqp=$eqp
+ foreach {a b c x} $eqp {
+ if {[regexp { TABLE (\w+ AS )?(\w+) USING.* INDEX (\w+)\y} \
+ $x all as tab idx]} {
+ lappend data $tab $idx
+ } elseif {[regexp { TABLE (\w+ AS )?(\w+)\y} $x all as tab]} {
+ lappend data $tab *
+ }
+ }
+ return $data
}
@@ -144,73 +154,73 @@ do_test where3-2.1 {
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
WHERE cpk=bx AND bpk=ax
}
-} {tA {} tB * tC * tD *}
+} {tA * tB * tC * tD *}
do_test where3-2.1.1 {
queryplan {
SELECT * FROM tA, tB, tC LEFT JOIN tD ON cx=dpk
WHERE cpk=bx AND bpk=ax
}
-} {tA {} tB * tC * tD *}
+} {tA * tB * tC * tD *}
do_test where3-2.1.2 {
queryplan {
SELECT * FROM tA, tB, tC LEFT JOIN tD ON cx=dpk
WHERE bx=cpk AND bpk=ax
}
-} {tA {} tB * tC * tD *}
+} {tA * tB * tC * tD *}
do_test where3-2.1.3 {
queryplan {
SELECT * FROM tA, tB, tC LEFT JOIN tD ON cx=dpk
WHERE bx=cpk AND ax=bpk
}
-} {tA {} tB * tC * tD *}
+} {tA * tB * tC * tD *}
do_test where3-2.1.4 {
queryplan {
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
WHERE bx=cpk AND ax=bpk
}
-} {tA {} tB * tC * tD *}
+} {tA * tB * tC * tD *}
do_test where3-2.1.5 {
queryplan {
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
WHERE cpk=bx AND ax=bpk
}
-} {tA {} tB * tC * tD *}
+} {tA * tB * tC * tD *}
do_test where3-2.2 {
queryplan {
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
WHERE cpk=bx AND apk=bx
}
-} {tB {} tA * tC * tD *}
+} {tB * tA * tC * tD *}
do_test where3-2.3 {
queryplan {
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
WHERE cpk=bx AND apk=bx
}
-} {tB {} tA * tC * tD *}
+} {tB * tA * tC * tD *}
do_test where3-2.4 {
queryplan {
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
WHERE apk=cx AND bpk=ax
}
-} {tC {} tA * tB * tD *}
+} {tC * tA * tB * tD *}
do_test where3-2.5 {
queryplan {
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
WHERE cpk=ax AND bpk=cx
}
-} {tA {} tC * tB * tD *}
+} {tA * tC * tB * tD *}
do_test where3-2.6 {
queryplan {
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
WHERE bpk=cx AND apk=bx
}
-} {tC {} tB * tA * tD *}
+} {tC * tB * tA * tD *}
do_test where3-2.7 {
queryplan {
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
WHERE cpk=bx AND apk=cx
}
-} {tB {} tC * tA * tD *}
+} {tB * tC * tA * tD *}
# Ticket [13f033c865f878953]
# If the outer loop must be a full table scan, do not let ANALYZE trick
@@ -221,22 +231,30 @@ do_execsql_test where3-3.0 {
CREATE TABLE t301(a INTEGER PRIMARY KEY,b,c);
CREATE INDEX t301c ON t301(c);
INSERT INTO t301 VALUES(1,2,3);
+ INSERT INTO t301 VALUES(2,2,3);
CREATE TABLE t302(x, y);
INSERT INTO t302 VALUES(4,5);
ANALYZE;
explain query plan SELECT * FROM t302, t301 WHERE t302.x=5 AND t301.a=t302.y;
} {
- 0 0 0 {SCAN TABLE t302 (~1 rows)}
- 0 1 1 {SEARCH TABLE t301 USING INTEGER PRIMARY KEY (rowid=?) (~1 rows)}
+ 0 0 0 {SCAN TABLE t302}
+ 0 1 1 {SEARCH TABLE t301 USING INTEGER PRIMARY KEY (rowid=?)}
}
do_execsql_test where3-3.1 {
explain query plan
SELECT * FROM t301, t302 WHERE t302.x=5 AND t301.a=t302.y;
} {
- 0 0 1 {SCAN TABLE t302 (~1 rows)}
- 0 1 0 {SEARCH TABLE t301 USING INTEGER PRIMARY KEY (rowid=?) (~1 rows)}
+ 0 0 1 {SCAN TABLE t302}
+ 0 1 0 {SEARCH TABLE t301 USING INTEGER PRIMARY KEY (rowid=?)}
}
+do_execsql_test where3-3.2 {
+ SELECT * FROM t301 WHERE c=3 AND a IS NULL;
+} {}
+do_execsql_test where3-3.3 {
+ SELECT * FROM t301 WHERE c=3 AND a IS NOT NULL;
+} {1 2 3 2 2 3}
+if 0 { # Query planner no longer does this
# Verify that when there are multiple tables in a join which must be
# full table scans that the query planner attempts put the table with
# the fewest number of output rows as the outer loop.
@@ -248,26 +266,27 @@ do_execsql_test where3-4.0 {
EXPLAIN QUERY PLAN
SELECT * FROM t400, t401, t402 WHERE t402.z GLOB 'abc*';
} {
- 0 0 2 {SCAN TABLE t402 (~500000 rows)}
- 0 1 0 {SCAN TABLE t400 (~1000000 rows)}
- 0 2 1 {SCAN TABLE t401 (~1000000 rows)}
+ 0 0 2 {SCAN TABLE t402}
+ 0 1 0 {SCAN TABLE t400}
+ 0 2 1 {SCAN TABLE t401}
}
do_execsql_test where3-4.1 {
EXPLAIN QUERY PLAN
SELECT * FROM t400, t401, t402 WHERE t401.r GLOB 'abc*';
} {
- 0 0 1 {SCAN TABLE t401 (~500000 rows)}
- 0 1 0 {SCAN TABLE t400 (~1000000 rows)}
- 0 2 2 {SCAN TABLE t402 (~1000000 rows)}
+ 0 0 1 {SCAN TABLE t401}
+ 0 1 0 {SCAN TABLE t400}
+ 0 2 2 {SCAN TABLE t402}
}
do_execsql_test where3-4.2 {
EXPLAIN QUERY PLAN
SELECT * FROM t400, t401, t402 WHERE t400.c GLOB 'abc*';
} {
- 0 0 0 {SCAN TABLE t400 (~500000 rows)}
- 0 1 1 {SCAN TABLE t401 (~1000000 rows)}
- 0 2 2 {SCAN TABLE t402 (~1000000 rows)}
+ 0 0 0 {SCAN TABLE t400}
+ 0 1 1 {SCAN TABLE t401}
+ 0 2 2 {SCAN TABLE t402}
}
+} ;# endif
# Verify that a performance regression encountered by firefox
# has been fixed.
@@ -298,8 +317,8 @@ do_execsql_test where3-5.0 {
AND bbb.parent = 4
ORDER BY bbb.title COLLATE NOCASE ASC;
} {
- 0 0 0 {SEARCH TABLE aaa USING INDEX aaa_333 (fk=?) (~10 rows)}
- 0 1 1 {SEARCH TABLE bbb USING INTEGER PRIMARY KEY (rowid=?) (~1 rows)}
+ 0 0 0 {SEARCH TABLE aaa USING INDEX aaa_333 (fk=?)}
+ 0 1 1 {SEARCH TABLE bbb USING INTEGER PRIMARY KEY (rowid=?)}
0 0 0 {USE TEMP B-TREE FOR ORDER BY}
}
do_execsql_test where3-5.1 {
@@ -311,8 +330,8 @@ do_execsql_test where3-5.1 {
AND bbb.parent = 4
ORDER BY bbb.title COLLATE NOCASE ASC;
} {
- 0 0 0 {SEARCH TABLE aaa USING INDEX aaa_333 (fk=?) (~10 rows)}
- 0 1 1 {SEARCH TABLE aaa AS bbb USING INTEGER PRIMARY KEY (rowid=?) (~1 rows)}
+ 0 0 0 {SEARCH TABLE aaa USING INDEX aaa_333 (fk=?)}
+ 0 1 1 {SEARCH TABLE aaa AS bbb USING INTEGER PRIMARY KEY (rowid=?)}
0 0 0 {USE TEMP B-TREE FOR ORDER BY}
}
do_execsql_test where3-5.2 {
@@ -324,8 +343,8 @@ do_execsql_test where3-5.2 {
AND bbb.parent = 4
ORDER BY bbb.title COLLATE NOCASE ASC;
} {
- 0 0 1 {SEARCH TABLE aaa USING INDEX aaa_333 (fk=?) (~10 rows)}
- 0 1 0 {SEARCH TABLE bbb USING INTEGER PRIMARY KEY (rowid=?) (~1 rows)}
+ 0 0 1 {SEARCH TABLE aaa USING INDEX aaa_333 (fk=?)}
+ 0 1 0 {SEARCH TABLE bbb USING INTEGER PRIMARY KEY (rowid=?)}
0 0 0 {USE TEMP B-TREE FOR ORDER BY}
}
do_execsql_test where3-5.3 {
@@ -337,8 +356,8 @@ do_execsql_test where3-5.3 {
AND bbb.parent = 4
ORDER BY bbb.title COLLATE NOCASE ASC;
} {
- 0 0 1 {SEARCH TABLE aaa USING INDEX aaa_333 (fk=?) (~10 rows)}
- 0 1 0 {SEARCH TABLE aaa AS bbb USING INTEGER PRIMARY KEY (rowid=?) (~1 rows)}
+ 0 0 1 {SEARCH TABLE aaa USING INDEX aaa_333 (fk=?)}
+ 0 1 0 {SEARCH TABLE aaa AS bbb USING INTEGER PRIMARY KEY (rowid=?)}
0 0 0 {USE TEMP B-TREE FOR ORDER BY}
}
@@ -424,5 +443,48 @@ foreach predicate {
} {1 w-one x-one y-one z-one 9 w-nine x-nine y-nine z-nine}
}
+do_execsql_test where3-7-setup {
+ CREATE TABLE t71(x1 INTEGER PRIMARY KEY, y1);
+ CREATE TABLE t72(x2 INTEGER PRIMARY KEY, y2);
+ CREATE TABLE t73(x3, y3);
+ CREATE TABLE t74(x4, y4);
+ INSERT INTO t71 VALUES(123,234);
+ INSERT INTO t72 VALUES(234,345);
+ INSERT INTO t73 VALUES(123,234);
+ INSERT INTO t74 VALUES(234,345);
+ INSERT INTO t74 VALUES(234,678);
+} {}
+foreach disabled_opt {none omit-noop-join all} {
+ optimization_control db all 1
+ optimization_control db $disabled_opt 0
+ do_execsql_test where3-7.$disabled_opt.1 {
+ SELECT x1 FROM t71 LEFT JOIN t72 ON x2=y1;
+ } {123}
+ do_execsql_test where3-7.$disabled_opt.2 {
+ SELECT x1 FROM t71 LEFT JOIN t72 ON x2=y1 WHERE y2 IS NULL;
+ } {}
+ do_execsql_test where3-7.$disabled_opt.3 {
+ SELECT x1 FROM t71 LEFT JOIN t72 ON x2=y1 WHERE y2 IS NOT NULL;
+ } {123}
+ do_execsql_test where3-7.$disabled_opt.4 {
+ SELECT x1 FROM t71 LEFT JOIN t72 ON x2=y1 AND y2 IS NULL;
+ } {123}
+ do_execsql_test where3-7.$disabled_opt.5 {
+ SELECT x1 FROM t71 LEFT JOIN t72 ON x2=y1 AND y2 IS NOT NULL;
+ } {123}
+ do_execsql_test where3-7.$disabled_opt.6 {
+ SELECT x3 FROM t73 LEFT JOIN t72 ON x2=y3;
+ } {123}
+ do_execsql_test where3-7.$disabled_opt.7 {
+ SELECT DISTINCT x3 FROM t73 LEFT JOIN t72 ON x2=y3;
+ } {123}
+ do_execsql_test where3-7.$disabled_opt.8 {
+ SELECT x3 FROM t73 LEFT JOIN t74 ON x4=y3;
+ } {123 123}
+ do_execsql_test where3-7.$disabled_opt.9 {
+ SELECT DISTINCT x3 FROM t73 LEFT JOIN t74 ON x4=y3;
+ } {123}
+}
+
finish_test
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-09 08:32:41 +0000