mirror of
https://github.com/tursodatabase/libsql.git
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255 lines
7.5 KiB
Plaintext
255 lines
7.5 KiB
Plaintext
# 2008 May 23
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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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# Randomized test cases for the rtree extension.
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#
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if {![info exists testdir]} {
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set testdir [file join [file dirname [info script]] .. .. test]
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}
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source [file join [file dirname [info script]] rtree_util.tcl]
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source $testdir/tester.tcl
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ifcapable !rtree {
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finish_test
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return
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}
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set ::NROW 2500
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if {[info exists G(isquick)] && $G(isquick)} {
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set ::NROW 250
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}
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ifcapable !rtree_int_only {
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# Return a floating point number between -X and X.
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#
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proc rand {X} {
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return [expr {int((rand()-0.5)*1024.0*$X)/512.0}]
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}
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# Return a positive floating point number less than or equal to X
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#
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proc randincr {X} {
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while 1 {
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set r [expr {int(rand()*$X*32.0)/32.0}]
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if {$r>0.0} {return $r}
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}
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}
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} else {
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# For rtree_int_only, return an number between -X and X.
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#
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proc rand {X} {
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return [expr {int((rand()-0.5)*2*$X)}]
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}
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# Return a positive integer less than or equal to X
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#
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proc randincr {X} {
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while 1 {
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set r [expr {int(rand()*$X)+1}]
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if {$r>0} {return $r}
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}
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}
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}
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# Scramble the $inlist into a random order.
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#
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proc scramble {inlist} {
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set y {}
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foreach x $inlist {
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lappend y [list [expr {rand()}] $x]
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}
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set y [lsort $y]
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set outlist {}
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foreach x $y {
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lappend outlist [lindex $x 1]
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}
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return $outlist
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}
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# Always use the same random seed so that the sequence of tests
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# is repeatable.
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#
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expr {srand(1234)}
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# Run these tests for all number of dimensions between 1 and 5.
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#
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for {set nDim 1} {$nDim<=5} {incr nDim} {
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# Construct an rtree virtual table and an ordinary btree table
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# to mirror it. The ordinary table should be much slower (since
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# it has to do a full table scan) but should give the exact same
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# answers.
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#
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do_test rtree4-$nDim.1 {
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set clist {}
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set cklist {}
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for {set i 0} {$i<$nDim} {incr i} {
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lappend clist mn$i mx$i
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lappend cklist "mn$i<mx$i"
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}
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db eval "DROP TABLE IF EXISTS rx"
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db eval "DROP TABLE IF EXISTS bx"
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db eval "CREATE VIRTUAL TABLE rx USING rtree(id, [join $clist ,])"
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db eval "CREATE TABLE bx(id INTEGER PRIMARY KEY,\
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[join $clist ,], CHECK( [join $cklist { AND }] ))"
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} {}
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# Do many insertions of small objects. Do both overlapping and
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# contained-within queries after each insert to verify that all
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# is well.
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#
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unset -nocomplain where
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for {set i 1} {$i<$::NROW} {incr i} {
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# Do a random insert
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#
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do_test rtree4-$nDim.2.$i.1 {
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set vlist {}
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for {set j 0} {$j<$nDim} {incr j} {
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set mn [rand 10000]
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set mx [expr {$mn+[randincr 50]}]
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lappend vlist $mn $mx
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}
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db eval "INSERT INTO rx VALUES(NULL, [join $vlist ,])"
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db eval "INSERT INTO bx VALUES(NULL, [join $vlist ,])"
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} {}
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# Do a contained-in query on all dimensions
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#
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set where {}
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for {set j 0} {$j<$nDim} {incr j} {
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set mn [rand 10000]
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set mx [expr {$mn+[randincr 500]}]
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lappend where mn$j>=$mn mx$j<=$mx
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}
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set where "WHERE [join $where { AND }]"
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do_test rtree4-$nDim.2.$i.2 {
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list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
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} [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
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# Do an overlaps query on all dimensions
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#
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set where {}
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for {set j 0} {$j<$nDim} {incr j} {
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set mn [rand 10000]
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set mx [expr {$mn+[randincr 500]}]
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lappend where mx$j>=$mn mn$j<=$mx
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}
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set where "WHERE [join $where { AND }]"
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do_test rtree4-$nDim.2.$i.3 {
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list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
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} [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
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# Do a contained-in query with surplus contraints at the beginning.
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# This should force a full-table scan on the rtree.
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#
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set where {}
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for {set j 0} {$j<$nDim} {incr j} {
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lappend where mn$j>-10000 mx$j<10000
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}
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for {set j 0} {$j<$nDim} {incr j} {
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set mn [rand 10000]
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set mx [expr {$mn+[randincr 500]}]
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lappend where mn$j>=$mn mx$j<=$mx
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}
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set where "WHERE [join $where { AND }]"
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do_test rtree4-$nDim.2.$i.3 {
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list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
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} [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
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# Do an overlaps query with surplus contraints at the beginning.
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# This should force a full-table scan on the rtree.
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#
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set where {}
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for {set j 0} {$j<$nDim} {incr j} {
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lappend where mn$j>=-10000 mx$j<=10000
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}
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for {set j 0} {$j<$nDim} {incr j} {
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set mn [rand 10000]
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set mx [expr {$mn+[randincr 500]}]
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lappend where mx$j>$mn mn$j<$mx
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}
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set where "WHERE [join $where { AND }]"
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do_test rtree4-$nDim.2.$i.4 {
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list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
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} [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
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# Do a contained-in query with surplus contraints at the end
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#
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set where {}
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for {set j 0} {$j<$nDim} {incr j} {
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set mn [rand 10000]
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set mx [expr {$mn+[randincr 500]}]
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lappend where mn$j>=$mn mx$j<$mx
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}
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for {set j [expr {$nDim-1}]} {$j>=0} {incr j -1} {
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lappend where mn$j>=-10000 mx$j<10000
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}
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set where "WHERE [join $where { AND }]"
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do_test rtree4-$nDim.2.$i.5 {
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list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
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} [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
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# Do an overlaps query with surplus contraints at the end
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#
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set where {}
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for {set j [expr {$nDim-1}]} {$j>=0} {incr j -1} {
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set mn [rand 10000]
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set mx [expr {$mn+[randincr 500]}]
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lappend where mx$j>$mn mn$j<=$mx
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}
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for {set j 0} {$j<$nDim} {incr j} {
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lappend where mx$j>-10000 mn$j<=10000
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}
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set where "WHERE [join $where { AND }]"
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do_test rtree4-$nDim.2.$i.6 {
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list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
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} [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
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# Do a contained-in query with surplus contraints where the
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# constraints appear in a random order.
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#
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set where {}
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for {set j 0} {$j<$nDim} {incr j} {
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set mn1 [rand 10000]
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set mn2 [expr {$mn1+[randincr 100]}]
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set mx1 [expr {$mn2+[randincr 400]}]
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set mx2 [expr {$mx1+[randincr 100]}]
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lappend where mn$j>=$mn1 mn$j>$mn2 mx$j<$mx1 mx$j<=$mx2
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}
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set where "WHERE [join [scramble $where] { AND }]"
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do_test rtree4-$nDim.2.$i.7 {
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list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
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} [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
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# Do an overlaps query with surplus contraints where the
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# constraints appear in a random order.
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#
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set where {}
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for {set j 0} {$j<$nDim} {incr j} {
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set mn1 [rand 10000]
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set mn2 [expr {$mn1+[randincr 100]}]
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set mx1 [expr {$mn2+[randincr 400]}]
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set mx2 [expr {$mx1+[randincr 100]}]
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lappend where mx$j>=$mn1 mx$j>$mn2 mn$j<$mx1 mn$j<=$mx2
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}
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set where "WHERE [join [scramble $where] { AND }]"
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do_test rtree4-$nDim.2.$i.8 {
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list $where [db eval "SELECT id FROM rx $where ORDER BY id"]
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} [list $where [db eval "SELECT id FROM bx $where ORDER BY id"]]
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}
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do_rtree_integrity_test rtree4-$nDim.3 rx
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}
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expand_all_sql db
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finish_test
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