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425 lines
12 KiB
Tcl
425 lines
12 KiB
Tcl
# 2001 September 15
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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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# This file implements some common TCL routines used for regression
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# testing the SQLite library
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#
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# $Id: tester.tcl,v 1.48 2005/02/12 08:59:59 danielk1977 Exp $
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# Make sure tclsqlite3 was compiled correctly. Abort now with an
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# error message if not.
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#
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if {[sqlite3 -tcl-uses-utf]} {
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if {"\u1234"=="u1234"} {
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puts stderr "***** BUILD PROBLEM *****"
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puts stderr "$argv0 was linked against an older version"
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puts stderr "of TCL that does not support Unicode, but uses a header"
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puts stderr "file (\"tcl.h\") from a new TCL version that does support"
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puts stderr "Unicode. This combination causes internal errors."
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puts stderr "Recompile using a TCL library and header file that match"
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puts stderr "and try again.\n**************************"
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exit 1
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}
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} else {
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if {"\u1234"!="u1234"} {
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puts stderr "***** BUILD PROBLEM *****"
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puts stderr "$argv0 was linked against an newer version"
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puts stderr "of TCL that supports Unicode, but uses a header file"
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puts stderr "(\"tcl.h\") from a old TCL version that does not support"
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puts stderr "Unicode. This combination causes internal errors."
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puts stderr "Recompile using a TCL library and header file that match"
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puts stderr "and try again.\n**************************"
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exit 1
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}
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}
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set tcl_precision 15
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# Use the pager codec if it is available
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#
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if {[sqlite3 -has-codec] && [info command sqlite_orig]==""} {
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rename sqlite3 sqlite_orig
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proc sqlite3 {args} {
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if {[llength $args]==2 && [string index [lindex $args 0] 0]!="-"} {
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lappend args -key {xyzzy}
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}
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uplevel 1 sqlite_orig $args
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}
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}
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# Create a test database
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#
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catch {db close}
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file delete -force test.db
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file delete -force test.db-journal
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set ::DB [sqlite3 db ./test.db]
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if {[info exists ::SETUP_SQL]} {
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db eval $::SETUP_SQL
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}
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# Abort early if this script has been run before.
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#
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if {[info exists nTest]} return
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# Set the test counters to zero
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#
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set nErr 0
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set nTest 0
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set nProb 0
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set skip_test 0
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set failList {}
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set maxErr 1000
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# Invoke the do_test procedure to run a single test
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#
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proc do_test {name cmd expected} {
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global argv nErr nTest skip_test maxErr
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if {$skip_test} {
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set skip_test 0
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return
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}
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if {[llength $argv]==0} {
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set go 1
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} else {
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set go 0
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foreach pattern $argv {
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if {[string match $pattern $name]} {
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set go 1
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break
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}
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}
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}
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if {!$go} return
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incr nTest
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puts -nonewline $name...
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flush stdout
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if {[catch {uplevel #0 "$cmd;\n"} result]} {
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puts "\nError: $result"
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incr nErr
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lappend ::failList $name
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if {$nErr>$maxErr} {puts "*** Giving up..."; finalize_testing}
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} elseif {[string compare $result $expected]} {
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puts "\nExpected: \[$expected\]\n Got: \[$result\]"
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incr nErr
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lappend ::failList $name
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if {$nErr>=$maxErr} {puts "*** Giving up..."; finalize_testing}
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} else {
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puts " Ok"
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}
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}
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# The procedure uses the special "sqlite_malloc_stat" command
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# (which is only available if SQLite is compiled with -DSQLITE_DEBUG=1)
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# to see how many malloc()s have not been free()ed. The number
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# of surplus malloc()s is stored in the global variable $::Leak.
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# If the value in $::Leak grows, it may mean there is a memory leak
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# in the library.
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#
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proc memleak_check {} {
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if {[info command sqlite_malloc_stat]!=""} {
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set r [sqlite_malloc_stat]
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set ::Leak [expr {[lindex $r 0]-[lindex $r 1]}]
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}
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}
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# Run this routine last
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#
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proc finish_test {} {
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finalize_testing
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}
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proc finalize_testing {} {
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global nTest nErr nProb sqlite_open_file_count
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if {$nErr==0} memleak_check
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catch {db close}
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puts "$nErr errors out of $nTest tests"
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puts "Failures on these tests: $::failList"
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if {$nProb>0} {
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puts "$nProb probabilistic tests also failed, but this does"
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puts "not necessarily indicate a malfunction."
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}
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if 0 {
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if {$sqlite_open_file_count} {
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puts "$sqlite_open_file_count files were left open"
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incr nErr
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}
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}
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exit [expr {$nErr>0}]
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}
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# A procedure to execute SQL
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#
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proc execsql {sql {db db}} {
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# puts "SQL = $sql"
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return [$db eval $sql]
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}
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# Execute SQL and catch exceptions.
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#
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proc catchsql {sql {db db}} {
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# puts "SQL = $sql"
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set r [catch {$db eval $sql} msg]
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lappend r $msg
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return $r
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}
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# Do an VDBE code dump on the SQL given
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#
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proc explain {sql {db db}} {
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puts ""
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puts "addr opcode p1 p2 p3 "
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puts "---- ------------ ------ ------ ---------------"
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$db eval "explain $sql" {} {
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puts [format {%-4d %-12.12s %-6d %-6d %s} $addr $opcode $p1 $p2 $p3]
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}
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}
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# Another procedure to execute SQL. This one includes the field
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# names in the returned list.
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#
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proc execsql2 {sql} {
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set result {}
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db eval $sql data {
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foreach f $data(*) {
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lappend result $f $data($f)
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}
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}
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return $result
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}
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# Use the non-callback API to execute multiple SQL statements
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#
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proc stepsql {dbptr sql} {
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set sql [string trim $sql]
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set r 0
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while {[string length $sql]>0} {
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if {[catch {sqlite3_prepare $dbptr $sql -1 sqltail} vm]} {
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return [list 1 $vm]
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}
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set sql [string trim $sqltail]
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# while {[sqlite_step $vm N VAL COL]=="SQLITE_ROW"} {
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# foreach v $VAL {lappend r $v}
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# }
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while {[sqlite3_step $vm]=="SQLITE_ROW"} {
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for {set i 0} {$i<[sqlite3_data_count $vm]} {incr i} {
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lappend r [sqlite3_column_text $vm $i]
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}
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}
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if {[catch {sqlite3_finalize $vm} errmsg]} {
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return [list 1 $errmsg]
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}
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}
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return $r
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}
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# Delete a file or directory
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#
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proc forcedelete {filename} {
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if {[catch {file delete -force $filename}]} {
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exec rm -rf $filename
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}
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}
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# Do an integrity check of the entire database
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#
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proc integrity_check {name} {
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ifcapable integrityck {
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do_test $name {
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execsql {PRAGMA integrity_check}
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} {ok}
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}
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}
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# Evaluate a boolean expression of capabilities. If true, execute the
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# code. Omit the code if false.
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#
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proc ifcapable {expr code {else ""} {elsecode ""}} {
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regsub -all {[a-z_0-9]+} $expr {$::sqlite_options(&)} e2
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if ($e2) {
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set c [catch {uplevel 1 $code} r]
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} else {
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set c [catch {uplevel 1 $elsecode} r]
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}
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return -code $c $r
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}
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# This proc execs a seperate process that crashes midway through executing
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# the SQL script $sql on database test.db.
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#
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# The crash occurs during a sync() of file $crashfile. When the crash
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# occurs a random subset of all unsynced writes made by the process are
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# written into the files on disk. Argument $crashdelay indicates the
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# number of file syncs to wait before crashing.
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#
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# The return value is a list of two elements. The first element is a
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# boolean, indicating whether or not the process actually crashed or
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# reported some other error. The second element in the returned list is the
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# error message. This is "child process exited abnormally" if the crash
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# occured.
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#
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proc crashsql {crashdelay crashfile sql} {
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if {$::tcl_platform(platform)!="unix"} {
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error "crashsql should only be used on unix"
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}
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set cfile [file join [pwd] $crashfile]
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set f [open crash.tcl w]
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puts $f "sqlite3_crashparams $crashdelay $cfile"
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puts $f "sqlite3 db test.db"
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puts $f "db eval {pragma cache_size = 10}"
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puts $f "db eval {"
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puts $f "$sql"
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puts $f "}"
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close $f
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set r [catch {
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exec [file join . crashtest] crash.tcl >@stdout
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} msg]
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lappend r $msg
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}
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# Usage: do_ioerr_test <test number> <options...>
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#
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# This proc is used to implement test cases that check that IO errors
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# are correctly handled. The first argument, <test number>, is an integer
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# used to name the tests executed by this proc. Options are as follows:
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#
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# -tclprep TCL script to run to prepare test.
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# -sqlprep SQL script to run to prepare test.
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# -tclbody TCL script to run with IO error simulation.
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# -sqlbody TCL script to run with IO error simulation.
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# -exclude List of 'N' values not to test.
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# -start Value of 'N' to begin with (default 1)
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#
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# -cksum Boolean. If true, test that the database does
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# not change during the execution of the test case.
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#
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proc do_ioerr_test {testname args} {
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set ::ioerropts(-start) 1
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set ::ioerropts(-cksum) 0
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array set ::ioerropts $args
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set ::go 1
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for {set n $::ioerropts(-start)} {$::go} {incr n} {
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# Skip this IO error if it was specified with the "-exclude" option.
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if {[info exists ::ioerropts(-exclude)]} {
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if {[lsearch $::ioerropts(-exclude) $n]!=-1} continue
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}
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# Delete the files test.db and test2.db, then execute the TCL and
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# SQL (in that order) to prepare for the test case.
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do_test $testname.$n.1 {
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set ::sqlite_io_error_pending 0
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catch {db close}
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catch {file delete -force test.db}
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catch {file delete -force test.db-journal}
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catch {file delete -force test2.db}
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catch {file delete -force test2.db-journal}
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set ::DB [sqlite3 db test.db]
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if {[info exists ::ioerropts(-tclprep)]} {
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eval $::ioerropts(-tclprep)
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}
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if {[info exists ::ioerropts(-sqlprep)]} {
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execsql $::ioerropts(-sqlprep)
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}
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expr 0
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} {0}
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# Read the 'checksum' of the database.
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if {$::ioerropts(-cksum)} {
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set checksum [cksum]
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}
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# Set the Nth IO error to fail.
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do_test $testname.$n.2 [subst {
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set ::sqlite_io_error_pending $n
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}] $n
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# Create a single TCL script from the TCL and SQL specified
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# as the body of the test.
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set ::ioerrorbody {}
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if {[info exists ::ioerropts(-tclbody)]} {
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append ::ioerrorbody "$::ioerropts(-tclbody)\n"
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}
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if {[info exists ::ioerropts(-sqlbody)]} {
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append ::ioerrorbody "db eval {$::ioerropts(-sqlbody)}"
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}
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# Execute the TCL Script created in the above block. If
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# there are at least N IO operations performed by SQLite as
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# a result of the script, the Nth will fail.
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do_test $testname.$n.3 {
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set r [catch $::ioerrorbody msg]
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set ::go [expr {$::sqlite_io_error_pending<=0}]
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set s [expr $::sqlite_io_error_pending>0]
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# puts "$::sqlite_io_error_pending $r $msg"
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expr { ($s && !$r) || (!$s && $r) }
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# expr {$::sqlite_io_error_pending>0 || $r!=0}
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} {1}
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# If an IO error occured, then the checksum of the database should
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# be the same as before the script that caused the IO error was run.
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if {$::go && $::ioerropts(-cksum)} {
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do_test $testname.$n.4 {
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catch {db close}
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set ::DB [sqlite3 db test.db]
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cksum
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} $checksum
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}
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}
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set ::sqlite_io_error_pending 0
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unset ::ioerropts
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}
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# Return a checksum based on the contents of database 'db'.
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#
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proc cksum {{db db}} {
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set txt [$db eval {
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SELECT name, type, sql FROM sqlite_master order by name
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}]\n
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foreach tbl [$db eval {
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SELECT name FROM sqlite_master WHERE type='table' order by name
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}] {
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append txt [$db eval "SELECT * FROM $tbl"]\n
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}
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foreach prag {default_synchronous default_cache_size} {
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append txt $prag-[$db eval "PRAGMA $prag"]\n
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}
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set cksum [string length $txt]-[md5 $txt]
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# puts $cksum-[file size test.db]
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return $cksum
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}
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# Copy file $from into $to. This is used because some versions of
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# TCL for windows (notably the 8.4.1 binary package shipped with the
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# current mingw release) have a broken "file copy" command.
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#
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proc copy_file {from to} {
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if {$::tcl_platform(platform)=="unix"} {
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file copy -force $from $to
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} else {
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set f [open $from]
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fconfigure $f -translation binary
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set t [open $to w]
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fconfigure $t -translation binary
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puts -nonewline $t [read $f [file size $from]]
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close $t
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close $f
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}
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}
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# If the library is compiled with the SQLITE_DEFAULT_AUTOVACUUM macro set
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# to non-zero, then set the global variable $AUTOVACUUM to 1.
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set AUTOVACUUM $sqlite_options(default_autovacuum)
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