5822d6feb2
wherecosttest tool. Other fixes to logarithm cost. FossilOrigin-Name: aa580e368e3c398b8377b80342dfdd906324c248
616 lines
17 KiB
Plaintext
616 lines
17 KiB
Plaintext
# 2009 August 06
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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#
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# This file implements regression tests for SQLite library. This file
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# implements tests for range and LIKE constraints that use bound variables
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# instead of literal constant arguments.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !stat3 {
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finish_test
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return
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}
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#----------------------------------------------------------------------
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# Test Organization:
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#
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# analyze3-1.*: Test that the values of bound parameters are considered
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# in the same way as constants when planning queries that
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# use range constraints.
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#
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# analyze3-2.*: Test that the values of bound parameters are considered
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# in the same way as constants when planning queries that
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# use LIKE expressions in the WHERE clause.
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#
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# analyze3-3.*: Test that binding to a variable does not invalidate the
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# query plan when there is no way in which replanning the
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# query may produce a superior outcome.
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#
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# analyze3-4.*: Test that SQL or authorization callback errors occuring
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# within sqlite3Reprepare() are handled correctly.
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#
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# analyze3-5.*: Check that the query plans of applicable statements are
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# invalidated if the values of SQL parameter are modified
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# using the clear_bindings() or transfer_bindings() APIs.
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#
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proc getvar {varname} { uplevel #0 set $varname }
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db function var getvar
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proc eqp {sql {db db}} {
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uplevel execsql [list "EXPLAIN QUERY PLAN $sql"] $db
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}
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proc sf_execsql {sql {db db}} {
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set ::sqlite_search_count 0
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set r [uplevel [list execsql $sql $db]]
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concat $::sqlite_search_count [$db status step] $r
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}
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#-------------------------------------------------------------------------
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#
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# analyze3-1.1.1:
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# Create a table with two columns. Populate the first column (affinity
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# INTEGER) with integer values from 100 to 1100. Create an index on this
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# column. ANALYZE the table.
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#
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# analyze3-1.1.2 - 3.1.3
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# Show that there are two possible plans for querying the table with
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# a range constraint on the indexed column - "full table scan" or "use
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# the index". When the range is specified using literal values, SQLite
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# is able to pick the best plan based on the samples in sqlite_stat3.
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#
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# analyze3-1.1.4 - 3.1.9
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# Show that using SQL variables produces the same results as using
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# literal values to constrain the range scan.
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#
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# These tests also check that the compiler code considers column
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# affinities when estimating the number of rows scanned by the "use
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# index strategy".
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#
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do_test analyze3-1.1.1 {
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execsql {
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BEGIN;
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CREATE TABLE t1(x INTEGER, y);
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CREATE INDEX i1 ON t1(x);
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}
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for {set i 0} {$i < 1000} {incr i} {
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execsql { INSERT INTO t1 VALUES($i+100, $i) }
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}
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execsql {
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COMMIT;
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ANALYZE;
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}
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} {}
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do_eqp_test analyze3-1.1.2 {
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SELECT sum(y) FROM t1 WHERE x>200 AND x<300
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} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (x>? AND x<?)}}
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do_eqp_test analyze3-1.1.3 {
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SELECT sum(y) FROM t1 WHERE x>0 AND x<1100
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} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (x>? AND x<?)}}
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do_test analyze3-1.1.4 {
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sf_execsql { SELECT sum(y) FROM t1 WHERE x>200 AND x<300 }
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} {199 0 14850}
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do_test analyze3-1.1.5 {
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set l [string range "200" 0 end]
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set u [string range "300" 0 end]
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sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u }
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} {199 0 14850}
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do_test analyze3-1.1.6 {
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set l [expr int(200)]
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set u [expr int(300)]
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sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u }
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} {199 0 14850}
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do_test analyze3-1.1.7 {
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sf_execsql { SELECT sum(y) FROM t1 WHERE x>0 AND x<1100 }
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} {2000 0 499500}
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do_test analyze3-1.1.8 {
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set l [string range "0" 0 end]
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set u [string range "1100" 0 end]
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sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u }
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} {2000 0 499500}
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do_test analyze3-1.1.9 {
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set l [expr int(0)]
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set u [expr int(1100)]
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sf_execsql { SELECT sum(y) FROM t1 WHERE x>$l AND x<$u }
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} {2000 0 499500}
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# The following tests are similar to the block above. The difference is
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# that the indexed column has TEXT affinity in this case. In the tests
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# above the affinity is INTEGER.
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#
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do_test analyze3-1.2.1 {
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execsql {
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BEGIN;
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CREATE TABLE t2(x TEXT, y);
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INSERT INTO t2 SELECT * FROM t1;
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CREATE INDEX i2 ON t2(x);
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COMMIT;
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ANALYZE;
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}
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} {}
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do_eqp_test analyze3-1.2.2 {
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SELECT sum(y) FROM t2 WHERE x>1 AND x<2
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} {0 0 0 {SEARCH TABLE t2 USING INDEX i2 (x>? AND x<?)}}
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do_eqp_test analyze3-1.2.3 {
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SELECT sum(y) FROM t2 WHERE x>0 AND x<99
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} {0 0 0 {SEARCH TABLE t2 USING INDEX i2 (x>? AND x<?)}}
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do_test analyze3-1.2.4 {
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sf_execsql { SELECT sum(y) FROM t2 WHERE x>12 AND x<20 }
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} {161 0 4760}
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do_test analyze3-1.2.5 {
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set l [string range "12" 0 end]
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set u [string range "20" 0 end]
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sf_execsql {SELECT typeof($l), typeof($u), sum(y) FROM t2 WHERE x>$l AND x<$u}
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} {161 0 text text 4760}
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do_test analyze3-1.2.6 {
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set l [expr int(12)]
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set u [expr int(20)]
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sf_execsql {SELECT typeof($l), typeof($u), sum(y) FROM t2 WHERE x>$l AND x<$u}
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} {161 0 integer integer 4760}
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do_test analyze3-1.2.7 {
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sf_execsql { SELECT sum(y) FROM t2 WHERE x>0 AND x<99 }
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} {1981 0 490555}
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do_test analyze3-1.2.8 {
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set l [string range "0" 0 end]
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set u [string range "99" 0 end]
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sf_execsql {SELECT typeof($l), typeof($u), sum(y) FROM t2 WHERE x>$l AND x<$u}
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} {1981 0 text text 490555}
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do_test analyze3-1.2.9 {
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set l [expr int(0)]
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set u [expr int(99)]
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sf_execsql {SELECT typeof($l), typeof($u), sum(y) FROM t2 WHERE x>$l AND x<$u}
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} {1981 0 integer integer 490555}
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# Same tests a third time. This time, column x has INTEGER affinity and
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# is not the leftmost column of the table. This triggered a bug causing
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# SQLite to use sub-optimal query plans in 3.6.18 and earlier.
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#
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do_test analyze3-1.3.1 {
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execsql {
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BEGIN;
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CREATE TABLE t3(y TEXT, x INTEGER);
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INSERT INTO t3 SELECT y, x FROM t1;
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CREATE INDEX i3 ON t3(x);
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COMMIT;
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ANALYZE;
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}
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} {}
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do_eqp_test analyze3-1.3.2 {
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SELECT sum(y) FROM t3 WHERE x>200 AND x<300
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} {0 0 0 {SEARCH TABLE t3 USING INDEX i3 (x>? AND x<?)}}
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do_eqp_test analyze3-1.3.3 {
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SELECT sum(y) FROM t3 WHERE x>0 AND x<1100
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} {0 0 0 {SEARCH TABLE t3 USING INDEX i3 (x>? AND x<?)}}
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do_test analyze3-1.3.4 {
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sf_execsql { SELECT sum(y) FROM t3 WHERE x>200 AND x<300 }
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} {199 0 14850}
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do_test analyze3-1.3.5 {
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set l [string range "200" 0 end]
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set u [string range "300" 0 end]
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sf_execsql { SELECT sum(y) FROM t3 WHERE x>$l AND x<$u }
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} {199 0 14850}
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do_test analyze3-1.3.6 {
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set l [expr int(200)]
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set u [expr int(300)]
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sf_execsql { SELECT sum(y) FROM t3 WHERE x>$l AND x<$u }
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} {199 0 14850}
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do_test analyze3-1.3.7 {
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sf_execsql { SELECT sum(y) FROM t3 WHERE x>0 AND x<1100 }
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} {2000 0 499500}
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do_test analyze3-1.3.8 {
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set l [string range "0" 0 end]
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set u [string range "1100" 0 end]
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sf_execsql { SELECT sum(y) FROM t3 WHERE x>$l AND x<$u }
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} {2000 0 499500}
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do_test analyze3-1.3.9 {
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set l [expr int(0)]
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set u [expr int(1100)]
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sf_execsql { SELECT sum(y) FROM t3 WHERE x>$l AND x<$u }
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} {2000 0 499500}
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#-------------------------------------------------------------------------
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# Test that the values of bound SQL variables may be used for the LIKE
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# optimization.
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#
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drop_all_tables
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do_test analyze3-2.1 {
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execsql {
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PRAGMA case_sensitive_like=off;
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BEGIN;
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CREATE TABLE t1(a, b TEXT COLLATE nocase);
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CREATE INDEX i1 ON t1(b);
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}
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for {set i 0} {$i < 1000} {incr i} {
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set t ""
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append t [lindex {a b c d e f g h i j} [expr $i/100]]
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append t [lindex {a b c d e f g h i j} [expr ($i/10)%10]]
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append t [lindex {a b c d e f g h i j} [expr ($i%10)]]
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execsql { INSERT INTO t1 VALUES($i, $t) }
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}
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execsql COMMIT
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} {}
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do_eqp_test analyze3-2.2 {
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SELECT count(a) FROM t1 WHERE b LIKE 'a%'
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} {0 0 0 {SEARCH TABLE t1 USING INDEX i1 (b>? AND b<?)}}
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do_eqp_test analyze3-2.3 {
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SELECT count(a) FROM t1 WHERE b LIKE '%a'
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} {0 0 0 {SCAN TABLE t1}}
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do_test analyze3-2.4 {
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sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE 'a%' }
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} {101 0 100}
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do_test analyze3-2.5 {
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sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE '%a' }
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} {999 999 100}
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do_test analyze3-2.4 {
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set like "a%"
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sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
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} {101 0 100}
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do_test analyze3-2.5 {
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set like "%a"
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sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
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} {999 999 100}
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do_test analyze3-2.6 {
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set like "a"
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sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
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} {101 0 0}
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do_test analyze3-2.7 {
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set like "ab"
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sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
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} {11 0 0}
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do_test analyze3-2.8 {
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set like "abc"
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sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
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} {2 0 1}
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do_test analyze3-2.9 {
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set like "a_c"
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sf_execsql { SELECT count(*) FROM t1 WHERE b LIKE $like }
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} {101 0 10}
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#-------------------------------------------------------------------------
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# This block of tests checks that statements are correctly marked as
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# expired when the values bound to any parameters that may affect the
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# query plan are modified.
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#
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drop_all_tables
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db auth auth
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proc auth {args} {
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set ::auth 1
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return SQLITE_OK
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}
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do_test analyze3-3.1 {
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execsql {
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BEGIN;
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CREATE TABLE t1(a, b, c);
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CREATE INDEX i1 ON t1(b);
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}
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for {set i 0} {$i < 100} {incr i} {
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execsql { INSERT INTO t1 VALUES($i, $i, $i) }
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}
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execsql COMMIT
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execsql ANALYZE
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} {}
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do_test analyze3-3.2.1 {
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set S [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE b>?" -1 dummy]
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sqlite3_expired $S
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} {0}
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do_test analyze3-3.2.2 {
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sqlite3_bind_text $S 1 "abc" 3
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sqlite3_expired $S
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} {1}
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do_test analyze3-3.2.4 {
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sqlite3_finalize $S
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} {SQLITE_OK}
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do_test analyze3-3.2.5 {
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set S [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE b=?" -1 dummy]
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sqlite3_expired $S
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} {0}
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do_test analyze3-3.2.6 {
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sqlite3_bind_text $S 1 "abc" 3
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sqlite3_expired $S
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} {1}
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do_test analyze3-3.2.7 {
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sqlite3_finalize $S
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} {SQLITE_OK}
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do_test analyze3-3.4.1 {
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set S [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy]
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sqlite3_expired $S
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} {0}
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do_test analyze3-3.4.2 {
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sqlite3_bind_text $S 1 "abc" 3
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sqlite3_expired $S
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} {0}
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do_test analyze3-3.4.3 {
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sqlite3_bind_text $S 2 "def" 3
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sqlite3_expired $S
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} {1}
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do_test analyze3-3.4.4 {
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sqlite3_bind_text $S 2 "ghi" 3
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sqlite3_expired $S
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} {1}
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do_test analyze3-3.4.5 {
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sqlite3_expired $S
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} {1}
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do_test analyze3-3.4.6 {
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sqlite3_finalize $S
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} {SQLITE_OK}
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do_test analyze3-3.5.1 {
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set S [sqlite3_prepare_v2 db {
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SELECT * FROM t1 WHERE a IN (
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?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10,
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?11, ?12, ?13, ?14, ?15, ?16, ?17, ?18, ?19, ?20,
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?21, ?22, ?23, ?24, ?25, ?26, ?27, ?28, ?29, ?30, ?31
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) AND b>?32;
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} -1 dummy]
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sqlite3_expired $S
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} {0}
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do_test analyze3-3.5.2 {
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sqlite3_bind_text $S 31 "abc" 3
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sqlite3_expired $S
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} {0}
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do_test analyze3-3.5.3 {
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sqlite3_bind_text $S 32 "def" 3
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sqlite3_expired $S
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} {1}
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do_test analyze3-3.5.5 {
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sqlite3_finalize $S
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} {SQLITE_OK}
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do_test analyze3-3.6.1 {
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set S [sqlite3_prepare_v2 db {
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SELECT * FROM t1 WHERE a IN (
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?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?10,
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?11, ?12, ?13, ?14, ?15, ?16, ?17, ?18, ?19, ?20,
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?21, ?22, ?23, ?24, ?25, ?26, ?27, ?28, ?29, ?30, ?31, ?32
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) AND b>?33;
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} -1 dummy]
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sqlite3_expired $S
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} {0}
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do_test analyze3-3.6.2 {
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sqlite3_bind_text $S 32 "abc" 3
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sqlite3_expired $S
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} {1}
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do_test analyze3-3.6.3 {
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sqlite3_bind_text $S 33 "def" 3
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sqlite3_expired $S
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} {1}
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do_test analyze3-3.6.5 {
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sqlite3_finalize $S
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} {SQLITE_OK}
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do_test analyze3-3.7.1 {
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set S [sqlite3_prepare_v2 db {
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SELECT * FROM t1 WHERE a IN (
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?1, ?2, ?3, ?4, ?5, ?6, ?7, ?8, ?9, ?33,
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?11, ?12, ?13, ?14, ?15, ?16, ?17, ?18, ?19, ?20,
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?21, ?22, ?23, ?24, ?25, ?26, ?27, ?28, ?29, ?30, ?31, ?32
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) AND b>?10;
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} -1 dummy]
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sqlite3_expired $S
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} {0}
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do_test analyze3-3.7.2 {
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sqlite3_bind_text $S 32 "abc" 3
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sqlite3_expired $S
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} {0}
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do_test analyze3-3.7.3 {
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sqlite3_bind_text $S 33 "def" 3
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sqlite3_expired $S
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} {0}
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do_test analyze3-3.7.4 {
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sqlite3_bind_text $S 10 "def" 3
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sqlite3_expired $S
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} {1}
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do_test analyze3-3.7.6 {
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sqlite3_finalize $S
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} {SQLITE_OK}
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do_test analyze3-3.8.1 {
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execsql {
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CREATE TABLE t4(x, y TEXT COLLATE NOCASE);
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CREATE INDEX i4 ON t4(y);
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}
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} {}
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do_test analyze3-3.8.2 {
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set S [sqlite3_prepare_v2 db {
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SELECT * FROM t4 WHERE x != ? AND y LIKE ?
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} -1 dummy]
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sqlite3_expired $S
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} {0}
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do_test analyze3-3.8.3 {
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sqlite3_bind_text $S 1 "abc" 3
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sqlite3_expired $S
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} {0}
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do_test analyze3-3.8.4 {
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sqlite3_bind_text $S 2 "def" 3
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sqlite3_expired $S
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} {1}
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do_test analyze3-3.8.7 {
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sqlite3_bind_text $S 2 "ghi%" 4
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sqlite3_expired $S
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} {1}
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do_test analyze3-3.8.8 {
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sqlite3_expired $S
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} {1}
|
|
do_test analyze3-3.8.9 {
|
|
sqlite3_bind_text $S 2 "ghi%def" 7
|
|
sqlite3_expired $S
|
|
} {1}
|
|
do_test analyze3-3.8.10 {
|
|
sqlite3_expired $S
|
|
} {1}
|
|
do_test analyze3-3.8.11 {
|
|
sqlite3_bind_text $S 2 "%ab" 3
|
|
sqlite3_expired $S
|
|
} {1}
|
|
do_test analyze3-3.8.12 {
|
|
sqlite3_expired $S
|
|
} {1}
|
|
do_test analyze3-3.8.12 {
|
|
sqlite3_bind_text $S 2 "%de" 3
|
|
sqlite3_expired $S
|
|
} {1}
|
|
do_test analyze3-3.8.13 {
|
|
sqlite3_expired $S
|
|
} {1}
|
|
do_test analyze3-3.8.14 {
|
|
sqlite3_finalize $S
|
|
} {SQLITE_OK}
|
|
|
|
#-------------------------------------------------------------------------
|
|
# These tests check that errors encountered while repreparing an SQL
|
|
# statement within sqlite3Reprepare() are handled correctly.
|
|
#
|
|
|
|
# Check a schema error.
|
|
#
|
|
do_test analyze3-4.1.1 {
|
|
set S [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy]
|
|
sqlite3_step $S
|
|
} {SQLITE_DONE}
|
|
do_test analyze3-4.1.2 {
|
|
sqlite3_reset $S
|
|
sqlite3_bind_text $S 2 "abc" 3
|
|
execsql { DROP TABLE t1 }
|
|
sqlite3_step $S
|
|
} {SQLITE_ERROR}
|
|
do_test analyze3-4.1.3 {
|
|
sqlite3_finalize $S
|
|
} {SQLITE_ERROR}
|
|
|
|
# Check an authorization error.
|
|
#
|
|
do_test analyze3-4.2.1 {
|
|
execsql {
|
|
BEGIN;
|
|
CREATE TABLE t1(a, b, c);
|
|
CREATE INDEX i1 ON t1(b);
|
|
}
|
|
for {set i 0} {$i < 100} {incr i} {
|
|
execsql { INSERT INTO t1 VALUES($i, $i, $i) }
|
|
}
|
|
execsql COMMIT
|
|
execsql ANALYZE
|
|
set S [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy]
|
|
sqlite3_step $S
|
|
} {SQLITE_DONE}
|
|
db auth auth
|
|
proc auth {args} {
|
|
if {[lindex $args 0] == "SQLITE_READ"} {return SQLITE_DENY}
|
|
return SQLITE_OK
|
|
}
|
|
do_test analyze3-4.2.2 {
|
|
sqlite3_reset $S
|
|
sqlite3_bind_text $S 2 "abc" 3
|
|
sqlite3_step $S
|
|
} {SQLITE_AUTH}
|
|
do_test analyze3-4.2.4 {
|
|
sqlite3_finalize $S
|
|
} {SQLITE_AUTH}
|
|
|
|
# Check the effect of an authorization error that occurs in a re-prepare
|
|
# performed by sqlite3_step() is the same as one that occurs within
|
|
# sqlite3Reprepare().
|
|
#
|
|
do_test analyze3-4.3.1 {
|
|
db auth {}
|
|
set S [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE a=? AND b>?" -1 dummy]
|
|
execsql { CREATE TABLE t2(d, e, f) }
|
|
db auth auth
|
|
sqlite3_step $S
|
|
} {SQLITE_AUTH}
|
|
do_test analyze3-4.3.2 {
|
|
sqlite3_finalize $S
|
|
} {SQLITE_AUTH}
|
|
db auth {}
|
|
|
|
#-------------------------------------------------------------------------
|
|
# Test that modifying bound variables using the clear_bindings() or
|
|
# transfer_bindings() APIs works.
|
|
#
|
|
# analyze3-5.1.*: sqlite3_clear_bindings()
|
|
# analyze3-5.2.*: sqlite3_transfer_bindings()
|
|
#
|
|
do_test analyze3-5.1.1 {
|
|
drop_all_tables
|
|
execsql {
|
|
CREATE TABLE t1(x TEXT COLLATE NOCASE);
|
|
CREATE INDEX i1 ON t1(x);
|
|
INSERT INTO t1 VALUES('aaa');
|
|
INSERT INTO t1 VALUES('abb');
|
|
INSERT INTO t1 VALUES('acc');
|
|
INSERT INTO t1 VALUES('baa');
|
|
INSERT INTO t1 VALUES('bbb');
|
|
INSERT INTO t1 VALUES('bcc');
|
|
}
|
|
|
|
set S [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE x LIKE ?" -1 dummy]
|
|
sqlite3_bind_text $S 1 "a%" 2
|
|
set R [list]
|
|
while { "SQLITE_ROW" == [sqlite3_step $S] } {
|
|
lappend R [sqlite3_column_text $S 0]
|
|
}
|
|
concat [sqlite3_reset $S] $R
|
|
} {SQLITE_OK aaa abb acc}
|
|
do_test analyze3-5.1.2 {
|
|
sqlite3_clear_bindings $S
|
|
set R [list]
|
|
while { "SQLITE_ROW" == [sqlite3_step $S] } {
|
|
lappend R [sqlite3_column_text $S 0]
|
|
}
|
|
concat [sqlite3_reset $S] $R
|
|
} {SQLITE_OK}
|
|
do_test analyze3-5.1.3 {
|
|
sqlite3_finalize $S
|
|
} {SQLITE_OK}
|
|
|
|
do_test analyze3-5.1.1 {
|
|
set S1 [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE x LIKE ?" -1 dummy]
|
|
sqlite3_bind_text $S1 1 "b%" 2
|
|
set R [list]
|
|
while { "SQLITE_ROW" == [sqlite3_step $S1] } {
|
|
lappend R [sqlite3_column_text $S1 0]
|
|
}
|
|
concat [sqlite3_reset $S1] $R
|
|
} {SQLITE_OK baa bbb bcc}
|
|
|
|
do_test analyze3-5.1.2 {
|
|
set S2 [sqlite3_prepare_v2 db "SELECT * FROM t1 WHERE x = ?" -1 dummy]
|
|
sqlite3_bind_text $S2 1 "a%" 2
|
|
sqlite3_transfer_bindings $S2 $S1
|
|
set R [list]
|
|
while { "SQLITE_ROW" == [sqlite3_step $S1] } {
|
|
lappend R [sqlite3_column_text $S1 0]
|
|
}
|
|
concat [sqlite3_reset $S1] $R
|
|
} {SQLITE_OK aaa abb acc}
|
|
do_test analyze3-5.1.3 {
|
|
sqlite3_finalize $S2
|
|
sqlite3_finalize $S1
|
|
} {SQLITE_OK}
|
|
|
|
finish_test
|