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Overview
| Comment: | Remove more vestiges of sqlite_query_plan from the test cases. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | nextgen-query-plan-exp |
| Files: | files | file ages | folders |
| SHA1: |
eb27086e8a8a4d5fcb2ea358256a555e |
| User & Date: | drh 2013-06-03 22:08:20 |
Context
|
2013-06-04
| ||
| 12:42 | Refactor the ORDER BY optimizer in the NGQP so that it is easier to maintain and so that it can support optimizing out GROUP BY and DISTINCT clauses. check-in: e605c468 user: drh tags: nextgen-query-plan-exp | |
|
2013-06-03
| ||
| 22:08 | Remove more vestiges of sqlite_query_plan from the test cases. check-in: eb27086e user: drh tags: nextgen-query-plan-exp | |
| 21:25 | Adjust the xBestIndex methods on both the fuzzer and transitive_closure virtual tables so that an unused MATCH operator gets a really large cost. Remove ambiguities from the fuzzer test cases. check-in: e2c1af78 user: drh tags: nextgen-query-plan-exp | |
Changes
Changes to test/between.test.
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CREATE INDEX i1zyx ON t1(z,y,x);
COMMIT;
}
} {}
# This procedure executes the SQL. Then it appends to the result the
# "sort" or "nosort" keyword depending on whether or not any sorting
# is done. Then it appends the ::sqlite_query_plan variable.
#
proc queryplan {sql} {
set ::sqlite_sort_count 0
set data [execsql $sql]
if {$::sqlite_sort_count} {set x sort} {set x nosort}
lappend data $x
set eqp [execsql "EXPLAIN QUERY PLAN $sql"]
|
| |
44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 |
CREATE INDEX i1zyx ON t1(z,y,x);
COMMIT;
}
} {}
# This procedure executes the SQL. Then it appends to the result the
# "sort" or "nosort" keyword depending on whether or not any sorting
# is done. Then it appends the names of the table and index used.
#
proc queryplan {sql} {
set ::sqlite_sort_count 0
set data [execsql $sql]
if {$::sqlite_sort_count} {set x sort} {set x nosort}
lappend data $x
set eqp [execsql "EXPLAIN QUERY PLAN $sql"]
|
Changes to test/intpkey.test.
121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 |
#
do_test intpkey-1.12.1 {
execsql {
SELECT * FROM t1 WHERE a==4;
}
} {4 one two}
do_test intpkey-1.12.2 {
set sqlite_query_plan
} {t1 *}
# Try to insert a non-integer value into the primary key field. This
# should result in a data type mismatch.
#
do_test intpkey-1.13.1 {
set r [catch {execsql {
INSERT INTO t1 VALUES('x','y','z');
|
| | > > > |
121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 |
#
do_test intpkey-1.12.1 {
execsql {
SELECT * FROM t1 WHERE a==4;
}
} {4 one two}
do_test intpkey-1.12.2 {
execsql {
EXPLAIN QUERY PLAN
SELECT * FROM t1 WHERE a==4;
}
} {/SEARCH TABLE t1 /}
# Try to insert a non-integer value into the primary key field. This
# should result in a data type mismatch.
#
do_test intpkey-1.13.1 {
set r [catch {execsql {
INSERT INTO t1 VALUES('x','y','z');
|
Changes to test/like.test.
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ifcapable !like_opt {
finish_test
return
}
# This procedure executes the SQL. Then it appends to the result the
# "sort" or "nosort" keyword (as in the cksort procedure above) then
# it appends the ::sqlite_query_plan variable.
#
proc queryplan {sql} {
set ::sqlite_sort_count 0
set data [execsql $sql]
if {$::sqlite_sort_count} {set x sort} {set x nosort}
lappend data $x
return [concat $data $::sqlite_query_plan]
}
# Perform tests on the like optimization.
#
# With no index on t1.x and with case sensitivity turned off, no optimization
# is performed.
#
do_test like-3.1 {
set sqlite_like_count 0
queryplan {
SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1;
}
} {ABC {ABC abc xyz} abc abcd sort t1 {}}
do_test like-3.2 {
set sqlite_like_count
} {12}
# With an index on t1.x and case sensitivity on, optimize completely.
#
do_test like-3.3 {
................................................................................
set sqlite_like_count
} 12
# No optimization for case insensitive LIKE
#
do_test like-3.13 {
set sqlite_like_count 0
queryplan {
PRAGMA case_sensitive_like=off;
SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1;
}
} {ABC {ABC abc xyz} abc abcd nosort {} i1}
do_test like-3.14 {
set sqlite_like_count
} 12
# No optimization without an index.
#
do_test like-3.15 {
set sqlite_like_count 0
queryplan {
PRAGMA case_sensitive_like=on;
DROP INDEX i1;
SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1;
}
} {abc abcd sort t1 {}}
do_test like-3.16 {
set sqlite_like_count
} 12
# No GLOB optimization without an index.
#
do_test like-3.17 {
set sqlite_like_count 0
queryplan {
SELECT x FROM t1 WHERE x GLOB 'abc*' ORDER BY 1;
}
} {abc abcd sort t1 {}}
do_test like-3.18 {
set sqlite_like_count
} 12
# GLOB is optimized regardless of the case_sensitive_like setting.
#
do_test like-3.19 {
................................................................................
}
} {abc abcd nosort {} i1}
do_test like-3.20 {
set sqlite_like_count
} 0
do_test like-3.21 {
set sqlite_like_count 0
queryplan {
PRAGMA case_sensitive_like=on;
SELECT x FROM t1 WHERE x GLOB 'abc*' ORDER BY 1;
}
} {abc abcd nosort {} i1}
do_test like-3.22 {
set sqlite_like_count
} 0
do_test like-3.23 {
set sqlite_like_count 0
queryplan {
PRAGMA case_sensitive_like=off;
SELECT x FROM t1 WHERE x GLOB 'a[bc]d' ORDER BY 1;
}
} {abd acd nosort {} i1}
do_test like-3.24 {
set sqlite_like_count
} 6
................................................................................
INSERT INTO t11 VALUES(10, 'yz','yz');
INSERT INTO t11 VALUES(11, 'X','X');
INSERT INTO t11 VALUES(12, 'YZ','YZ');
SELECT count(*) FROM t11;
}
} {12}
do_test like-11.1 {
queryplan {
PRAGMA case_sensitive_like=OFF;
SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY a;
}
} {abc abcd ABC ABCD nosort t11 *}
do_test like-11.2 {
queryplan {
PRAGMA case_sensitive_like=ON;
SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY a;
}
} {abc abcd nosort t11 *}
do_test like-11.3 {
queryplan {
PRAGMA case_sensitive_like=OFF;
CREATE INDEX t11b ON t11(b);
SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
}
} {abc abcd ABC ABCD sort {} t11b}
do_test like-11.4 {
queryplan {
PRAGMA case_sensitive_like=ON;
SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY a;
}
} {abc abcd nosort t11 *}
do_test like-11.5 {
queryplan {
PRAGMA case_sensitive_like=OFF;
DROP INDEX t11b;
CREATE INDEX t11bnc ON t11(b COLLATE nocase);
SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
}
} {abc abcd ABC ABCD sort {} t11bnc}
do_test like-11.6 {
queryplan {
CREATE INDEX t11bb ON t11(b COLLATE binary);
SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
}
} {abc abcd ABC ABCD sort {} t11bnc}
do_test like-11.7 {
queryplan {
PRAGMA case_sensitive_like=ON;
SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
}
} {abc abcd sort {} t11bb}
do_test like-11.8 {
queryplan {
PRAGMA case_sensitive_like=OFF;
SELECT b FROM t11 WHERE b GLOB 'abc*' ORDER BY +a;
}
} {abc abcd sort {} t11bb}
do_test like-11.9 {
queryplan {
CREATE INDEX t11cnc ON t11(c COLLATE nocase);
CREATE INDEX t11cb ON t11(c COLLATE binary);
SELECT c FROM t11 WHERE c LIKE 'abc%' ORDER BY +a;
}
} {abc abcd ABC ABCD sort {} t11cnc}
do_test like-11.10 {
queryplan {
SELECT c FROM t11 WHERE c GLOB 'abc*' ORDER BY +a;
}
} {abc abcd sort {} t11cb}
finish_test
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ifcapable !like_opt {
finish_test
return
}
# This procedure executes the SQL. Then it appends to the result the
# "sort" or "nosort" keyword (as in the cksort procedure above) then
# it appends the names of the table and index used.
#
proc queryplan {sql} {
set ::sqlite_sort_count 0
set data [execsql $sql]
if {$::sqlite_sort_count} {set x sort} {set x nosort}
lappend data $x
set eqp [execsql "EXPLAIN QUERY PLAN $sql"]
# puts eqp=$eqp
foreach {a b c x} $eqp {
if {[regexp { TABLE (\w+ AS )?(\w+) USING COVERING INDEX (\w+)\W} \
$x all as tab idx]} {
lappend data {} $idx
} elseif {[regexp { TABLE (\w+ AS )?(\w+) USING.* INDEX (\w+)\W} \
$x all as tab idx]} {
lappend data $tab $idx
} elseif {[regexp { TABLE (\w+ AS )?(\w+)\W} $x all as tab]} {
lappend data $tab *
}
}
return $data
}
# Perform tests on the like optimization.
#
# With no index on t1.x and with case sensitivity turned off, no optimization
# is performed.
#
do_test like-3.1 {
set sqlite_like_count 0
queryplan {
SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1;
}
} {ABC {ABC abc xyz} abc abcd sort t1 *}
do_test like-3.2 {
set sqlite_like_count
} {12}
# With an index on t1.x and case sensitivity on, optimize completely.
#
do_test like-3.3 {
................................................................................
set sqlite_like_count
} 12
# No optimization for case insensitive LIKE
#
do_test like-3.13 {
set sqlite_like_count 0
db eval {PRAGMA case_sensitive_like=off;}
queryplan {
SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1;
}
} {ABC {ABC abc xyz} abc abcd nosort {} i1}
do_test like-3.14 {
set sqlite_like_count
} 12
# No optimization without an index.
#
do_test like-3.15 {
set sqlite_like_count 0
db eval {
PRAGMA case_sensitive_like=on;
DROP INDEX i1;
}
queryplan {
SELECT x FROM t1 WHERE x LIKE 'abc%' ORDER BY 1;
}
} {abc abcd sort t1 *}
do_test like-3.16 {
set sqlite_like_count
} 12
# No GLOB optimization without an index.
#
do_test like-3.17 {
set sqlite_like_count 0
queryplan {
SELECT x FROM t1 WHERE x GLOB 'abc*' ORDER BY 1;
}
} {abc abcd sort t1 *}
do_test like-3.18 {
set sqlite_like_count
} 12
# GLOB is optimized regardless of the case_sensitive_like setting.
#
do_test like-3.19 {
................................................................................
}
} {abc abcd nosort {} i1}
do_test like-3.20 {
set sqlite_like_count
} 0
do_test like-3.21 {
set sqlite_like_count 0
db eval {PRAGMA case_sensitive_like=on;}
queryplan {
SELECT x FROM t1 WHERE x GLOB 'abc*' ORDER BY 1;
}
} {abc abcd nosort {} i1}
do_test like-3.22 {
set sqlite_like_count
} 0
do_test like-3.23 {
set sqlite_like_count 0
db eval {PRAGMA case_sensitive_like=off;}
queryplan {
SELECT x FROM t1 WHERE x GLOB 'a[bc]d' ORDER BY 1;
}
} {abd acd nosort {} i1}
do_test like-3.24 {
set sqlite_like_count
} 6
................................................................................
INSERT INTO t11 VALUES(10, 'yz','yz');
INSERT INTO t11 VALUES(11, 'X','X');
INSERT INTO t11 VALUES(12, 'YZ','YZ');
SELECT count(*) FROM t11;
}
} {12}
do_test like-11.1 {
db eval {PRAGMA case_sensitive_like=OFF;}
queryplan {
SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY a;
}
} {abc abcd ABC ABCD nosort t11 *}
do_test like-11.2 {
db eval {PRAGMA case_sensitive_like=ON;}
queryplan {
SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY a;
}
} {abc abcd nosort t11 *}
do_test like-11.3 {
db eval {
PRAGMA case_sensitive_like=OFF;
CREATE INDEX t11b ON t11(b);
}
queryplan {
SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
}
} {abc abcd ABC ABCD sort {} t11b}
do_test like-11.4 {
db eval {PRAGMA case_sensitive_like=ON;}
queryplan {
SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY a;
}
} {abc abcd nosort t11 *}
do_test like-11.5 {
db eval {
PRAGMA case_sensitive_like=OFF;
DROP INDEX t11b;
CREATE INDEX t11bnc ON t11(b COLLATE nocase);
}
queryplan {
SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
}
} {abc abcd ABC ABCD sort {} t11bnc}
do_test like-11.6 {
db eval {CREATE INDEX t11bb ON t11(b COLLATE binary);}
queryplan {
SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
}
} {abc abcd ABC ABCD sort {} t11bnc}
do_test like-11.7 {
db eval {PRAGMA case_sensitive_like=ON;}
queryplan {
SELECT b FROM t11 WHERE b LIKE 'abc%' ORDER BY +a;
}
} {abc abcd sort {} t11bb}
do_test like-11.8 {
db eval {PRAGMA case_sensitive_like=OFF;}
queryplan {
SELECT b FROM t11 WHERE b GLOB 'abc*' ORDER BY +a;
}
} {abc abcd sort {} t11bb}
do_test like-11.9 {
db eval {
CREATE INDEX t11cnc ON t11(c COLLATE nocase);
CREATE INDEX t11cb ON t11(c COLLATE binary);
}
queryplan {
SELECT c FROM t11 WHERE c LIKE 'abc%' ORDER BY +a;
}
} {abc abcd ABC ABCD sort {} t11cnc}
do_test like-11.10 {
queryplan {
SELECT c FROM t11 WHERE c GLOB 'abc*' ORDER BY +a;
}
} {abc abcd sort {} t11cb}
finish_test
|
Changes to test/subquery.test.
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execsql {
CREATE INDEX t4i ON t4(x);
SELECT * FROM t4 WHERE x IN (SELECT a FROM t3);
}
} {10.0}
do_test subquery-2.5.3.2 {
# Verify that the t4i index was not used in the previous query
set ::sqlite_query_plan
} {t4 {}}
do_test subquery-2.5.4 {
execsql {
DROP TABLE t3;
DROP TABLE t4;
}
} {}
|
| | > > > |
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execsql {
CREATE INDEX t4i ON t4(x);
SELECT * FROM t4 WHERE x IN (SELECT a FROM t3);
}
} {10.0}
do_test subquery-2.5.3.2 {
# Verify that the t4i index was not used in the previous query
execsql {
EXPLAIN QUERY PLAN
SELECT * FROM t4 WHERE x IN (SELECT a FROM t3);
}
} {/SCAN TABLE t4 /}
do_test subquery-2.5.4 {
execsql {
DROP TABLE t3;
DROP TABLE t4;
}
} {}
|
Changes to test/where2.test.
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if {[db status sort]} {set x sort} {set x nosort}
lappend data $x
return $data
}
# This procedure executes the SQL. Then it appends to the result the
# "sort" or "nosort" keyword (as in the cksort procedure above) then
# it appends the ::sqlite_query_plan variable.
#
proc queryplan {sql} {
set ::sqlite_sort_count 0
set data [execsql $sql]
if {$::sqlite_sort_count} {set x sort} {set x nosort}
lappend data $x
set eqp [execsql "EXPLAIN QUERY PLAN $sql"]
................................................................................
$x all as tab idx]} {
lappend data $tab $idx
} elseif {[regexp { TABLE (\w+ AS )?(\w+)\W} $x all as tab]} {
lappend data $tab *
}
}
return $data
# return [concat $data $::sqlite_query_plan]
}
# Prefer a UNIQUE index over another index.
#
do_test where2-1.1 {
queryplan {
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if {[db status sort]} {set x sort} {set x nosort}
lappend data $x
return $data
}
# This procedure executes the SQL. Then it appends to the result the
# "sort" or "nosort" keyword (as in the cksort procedure above) then
# it appends the name of the table and index used.
#
proc queryplan {sql} {
set ::sqlite_sort_count 0
set data [execsql $sql]
if {$::sqlite_sort_count} {set x sort} {set x nosort}
lappend data $x
set eqp [execsql "EXPLAIN QUERY PLAN $sql"]
................................................................................
$x all as tab idx]} {
lappend data $tab $idx
} elseif {[regexp { TABLE (\w+ AS )?(\w+)\W} $x all as tab]} {
lappend data $tab *
}
}
return $data
}
# Prefer a UNIQUE index over another index.
#
do_test where2-1.1 {
queryplan {
|
Changes to test/where3.test.
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...
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FROM parent1
LEFT OUTER JOIN child1 ON parent1.child1key = child1.child1key
INNER JOIN child2 ON child2.child2key = parent1.child2key;
}]
}
# This procedure executes the SQL. Then it appends
# the ::sqlite_query_plan variable.
#
proc queryplan {sql} {
set ::sqlite_sort_count 0
set data [execsql $sql]
return [concat $data $::sqlite_query_plan]
}
# If you have a from clause of the form: A B C left join D
# then make sure the query optimizer is able to reorder the
# A B C part anyway it wants.
#
................................................................................
CREATE TABLE tC(cpk integer primary key, cx);
CREATE TABLE tD(dpk integer primary key, dx);
}
queryplan {
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
WHERE cpk=bx AND bpk=ax
}
} {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 *}
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 *}
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 *}
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 *}
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 *}
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 *}
do_test where3-2.3 {
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FROM parent1
LEFT OUTER JOIN child1 ON parent1.child1key = child1.child1key
INNER JOIN child2 ON child2.child2key = parent1.child2key;
}]
}
# This procedure executes the SQL. Then it appends
# the names of the table and index used
#
proc queryplan {sql} {
set ::sqlite_sort_count 0
set data [execsql $sql]
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+)\W} \
$x all as tab idx]} {
lappend data $tab $idx
} elseif {[regexp { TABLE (\w+ AS )?(\w+)\W} $x all as tab]} {
lappend data $tab *
}
}
return $data
}
# If you have a from clause of the form: A B C left join D
# then make sure the query optimizer is able to reorder the
# A B C part anyway it wants.
#
................................................................................
CREATE TABLE tC(cpk integer primary key, cx);
CREATE TABLE tD(dpk integer primary key, dx);
}
queryplan {
SELECT * FROM tA, tB, tC LEFT JOIN tD ON dpk=cx
WHERE cpk=bx AND bpk=ax
}
} {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 *}
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 *}
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 *}
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 *}
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 *}
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 *}
do_test where3-2.3 {
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