1# 2016 July 29 2# 3# The author disclaims copyright to this source code. In place of 4# a legal notice, here is a blessing: 5# 6# May you do good and not evil. 7# May you find forgiveness for yourself and forgive others. 8# May you share freely, never taking more than you give. 9# 10#*********************************************************************** 11# This file implements regression tests for SQLite library. The 12# focus of this file is syntax errors involving row-values and 13# virtual tables. 14# 15 16set testdir [file dirname $argv0] 17source $testdir/tester.tcl 18set ::testprefix rowvalue5 19 20proc vtab_command {method args} { 21 switch -- $method { 22 xConnect { 23 return "CREATE TABLE t1(a, b, c, d, expr)" 24 } 25 26 xBestIndex { 27 set COL(0) a 28 set COL(1) b 29 set COL(2) c 30 set COL(3) d 31 set COL(4) expr 32 33 set OP(eq) = 34 set OP(ne) != 35 set OP(gt) > 36 set OP(le) <= 37 set OP(lt) < 38 set OP(ge) >= 39 set OP(match) MATCH 40 set OP(like) LIKE 41 set OP(glob) GLOB 42 set OP(regexp) REGEXP 43 44 set clist [lindex $args 0] 45 set ret [list] 46 set elist [list] 47 set i 0 48 foreach c $clist { 49 array set C $c 50 if {$C(usable)} { 51 lappend ret omit $i 52 lappend elist "$COL($C(column)) $OP($C(op)) %$i%" 53 } 54 incr i 55 } 56 57 lappend ret idxstr [join $elist " AND "] 58 #puts "xBestIndex: $ret" 59 return $ret 60 } 61 62 xFilter { 63 foreach {idxnum idxstr arglist} $args {} 64 set i 0 65 set ee $idxstr 66 foreach a $arglist { 67 if {[string is double $a]==0} { 68 set a "'[string map {' ''} $a]'" 69 } 70 set ee [string map [list "%$i%" $a] $ee] 71 incr i 72 } 73 set ee [string map [list "'" "''"] $ee] 74 75 set ret [list sql "SELECT 1, 'a', 'b', 'c', 'd', '$ee'"] 76 #puts "xFilter: $ret" 77 return $ret 78 } 79 } 80 81 return {} 82} 83 84register_tcl_module db 85do_execsql_test 1.0 { 86 CREATE VIRTUAL TABLE x1 USING tcl(vtab_command); 87} {} 88 89 90foreach {tn where res} { 91 1 "1" {{}} 92 2 "a=1" {{a = 1}} 93 3 "a=1 AND 4 = b" {{a = 1 AND b = 4}} 94 4 "c>'hello'" {{c > 'hello'}} 95 5 "c<='hel''lo'" {{c <= 'hel''lo'}} 96 6 "(a, b) = (SELECT 9, 10)" {{a = 9 AND b = 10}} 97 7 "(+a, b) = (SELECT 'a', 'b')" {{b = 'b'}} 98 8 "(a, +b) = (SELECT 'a', 'b')" {{a = 'a'}} 99 11 "(+a, b) IN (SELECT 'a', 'b')" {{b = 'b'}} 100 12 "(a, +b) IN (SELECT 'a', 'b')" {{a = 'a'}} 101 102 13 "(a, b) < ('d', 'e')" {{a <= 'd'}} 103 14 "(a, b) < ('a', 'c')" {{a <= 'a'}} 104 15 "(a, b) <= ('a', 'b')" {{a <= 'a'}} 105 16 "(a, b) < ('a', 'b')" {} 106} { 107 do_execsql_test 1.$tn "SELECT expr FROM x1 WHERE $where" $res 108} 109 110finish_test 111