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Diffstat (limited to 'components/external/SQLite-3.8.1/test/e_expr.test')
| -rw-r--r-- | components/external/SQLite-3.8.1/test/e_expr.test | 1851 |
1 files changed, 0 insertions, 1851 deletions
diff --git a/components/external/SQLite-3.8.1/test/e_expr.test b/components/external/SQLite-3.8.1/test/e_expr.test deleted file mode 100644 index f0705757ac..0000000000 --- a/components/external/SQLite-3.8.1/test/e_expr.test +++ /dev/null @@ -1,1851 +0,0 @@ -# 2010 July 16 -# -# The author disclaims copyright to this source code. In place of -# a legal notice, here is a blessing: -# -# May you do good and not evil. -# May you find forgiveness for yourself and forgive others. -# May you share freely, never taking more than you give. -# -#*********************************************************************** -# -# This file implements tests to verify that the "testable statements" in -# the lang_expr.html document are correct. -# - -set testdir [file dirname $argv0] -source $testdir/tester.tcl -source $testdir/malloc_common.tcl - -ifcapable !compound { - finish_test - return -} - -proc do_expr_test {tn expr type value} { - uplevel do_execsql_test $tn [list "SELECT typeof($expr), $expr"] [ - list [list $type $value] - ] -} - -proc do_qexpr_test {tn expr value} { - uplevel do_execsql_test $tn [list "SELECT quote($expr)"] [list $value] -} - -# Set up three global variables: -# -# ::opname An array mapping from SQL operator to an easy to parse -# name. The names are used as part of test case names. -# -# ::opprec An array mapping from SQL operator to a numeric -# precedence value. Operators that group more tightly -# have lower numeric precedences. -# -# ::oplist A list of all SQL operators supported by SQLite. -# -foreach {op opn} { - || cat * mul / div % mod + add - - sub << lshift >> rshift & bitand | bitor - < less <= lesseq > more >= moreeq = eq1 - == eq2 <> ne1 != ne2 IS is LIKE like - GLOB glob AND and OR or MATCH match REGEXP regexp - {IS NOT} isnt -} { - set ::opname($op) $opn -} -set oplist [list] -foreach {prec opl} { - 1 || - 2 {* / %} - 3 {+ -} - 4 {<< >> & |} - 5 {< <= > >=} - 6 {= == != <> IS {IS NOT} LIKE GLOB MATCH REGEXP} - 7 AND - 8 OR -} { - foreach op $opl { - set ::opprec($op) $prec - lappend oplist $op - } -} - - -# Hook in definitions of MATCH and REGEX. The following implementations -# cause MATCH and REGEX to behave similarly to the == operator. -# -proc matchfunc {a b} { return [expr {$a==$b}] } -proc regexfunc {a b} { return [expr {$a==$b}] } -db func match -argcount 2 matchfunc -db func regexp -argcount 2 regexfunc - -#------------------------------------------------------------------------- -# Test cases e_expr-1.* attempt to verify that all binary operators listed -# in the documentation exist and that the relative precedences of the -# operators are also as the documentation suggests. -# -# EVIDENCE-OF: R-15514-65163 SQLite understands the following binary -# operators, in order from highest to lowest precedence: || * / % + - -# << >> & | < <= > >= = == != <> IS IS -# NOT IN LIKE GLOB MATCH REGEXP AND OR -# -# EVIDENCE-OF: R-38759-38789 Operators IS and IS NOT have the same -# precedence as =. -# - -unset -nocomplain untested -foreach op1 $oplist { - foreach op2 $oplist { - set untested($op1,$op2) 1 - foreach {tn A B C} { - 1 22 45 66 - 2 0 0 0 - 3 0 0 1 - 4 0 1 0 - 5 0 1 1 - 6 1 0 0 - 7 1 0 1 - 8 1 1 0 - 9 1 1 1 - 10 5 6 1 - 11 1 5 6 - 12 1 5 5 - 13 5 5 1 - - 14 5 2 1 - 15 1 4 1 - 16 -1 0 1 - 17 0 1 -1 - - } { - set testname "e_expr-1.$opname($op1).$opname($op2).$tn" - - # If $op2 groups more tightly than $op1, then the result - # of executing $sql1 whould be the same as executing $sql3. - # If $op1 groups more tightly, or if $op1 and $op2 have - # the same precedence, then executing $sql1 should return - # the same value as $sql2. - # - set sql1 "SELECT $A $op1 $B $op2 $C" - set sql2 "SELECT ($A $op1 $B) $op2 $C" - set sql3 "SELECT $A $op1 ($B $op2 $C)" - - set a2 [db one $sql2] - set a3 [db one $sql3] - - do_execsql_test $testname $sql1 [list [ - if {$opprec($op2) < $opprec($op1)} {set a3} {set a2} - ]] - if {$a2 != $a3} { unset -nocomplain untested($op1,$op2) } - } - } -} - -foreach op {* AND OR + || & |} { unset untested($op,$op) } -unset untested(+,-) ;# Since (a+b)-c == a+(b-c) -unset untested(*,<<) ;# Since (a*b)<<c == a*(b<<c) - -do_test e_expr-1.1 { array names untested } {} - -# At one point, test 1.2.2 was failing. Instead of the correct result, it -# was returning {1 1 0}. This would seem to indicate that LIKE has the -# same precedence as '<'. Which is incorrect. It has lower precedence. -# -do_execsql_test e_expr-1.2.1 { - SELECT 0 < 2 LIKE 1, (0 < 2) LIKE 1, 0 < (2 LIKE 1) -} {1 1 0} -do_execsql_test e_expr-1.2.2 { - SELECT 0 LIKE 0 < 2, (0 LIKE 0) < 2, 0 LIKE (0 < 2) -} {0 1 0} - -# Showing that LIKE and == have the same precedence -# -do_execsql_test e_expr-1.2.3 { - SELECT 2 LIKE 2 == 1, (2 LIKE 2) == 1, 2 LIKE (2 == 1) -} {1 1 0} -do_execsql_test e_expr-1.2.4 { - SELECT 2 == 2 LIKE 1, (2 == 2) LIKE 1, 2 == (2 LIKE 1) -} {1 1 0} - -# Showing that < groups more tightly than == (< has higher precedence). -# -do_execsql_test e_expr-1.2.5 { - SELECT 0 < 2 == 1, (0 < 2) == 1, 0 < (2 == 1) -} {1 1 0} -do_execsql_test e_expr-1.6 { - SELECT 0 == 0 < 2, (0 == 0) < 2, 0 == (0 < 2) -} {0 1 0} - -#------------------------------------------------------------------------- -# Check that the four unary prefix operators mentioned in the -# documentation exist. -# -# EVIDENCE-OF: R-13958-53419 Supported unary prefix operators are these: -# - + ~ NOT -# -do_execsql_test e_expr-2.1 { SELECT - 10 } {-10} -do_execsql_test e_expr-2.2 { SELECT + 10 } {10} -do_execsql_test e_expr-2.3 { SELECT ~ 10 } {-11} -do_execsql_test e_expr-2.4 { SELECT NOT 10 } {0} - -#------------------------------------------------------------------------- -# Tests for the two statements made regarding the unary + operator. -# -# EVIDENCE-OF: R-53670-03373 The unary operator + is a no-op. -# -# EVIDENCE-OF: R-19480-30968 It can be applied to strings, numbers, -# blobs or NULL and it always returns a result with the same value as -# the operand. -# -foreach {tn literal type} { - 1 'helloworld' text - 2 45 integer - 3 45.2 real - 4 45.0 real - 5 X'ABCDEF' blob - 6 NULL null -} { - set sql " SELECT quote( + $literal ), typeof( + $literal) " - do_execsql_test e_expr-3.$tn $sql [list $literal $type] -} - -#------------------------------------------------------------------------- -# Check that both = and == are both acceptable as the "equals" operator. -# Similarly, either != or <> work as the not-equals operator. -# -# EVIDENCE-OF: R-03679-60639 Equals can be either = or ==. -# -# EVIDENCE-OF: R-30082-38996 The non-equals operator can be either != or -# <>. -# -foreach {tn literal different} { - 1 'helloworld' '12345' - 2 22 23 - 3 'xyz' X'78797A' - 4 X'78797A00' 'xyz' -} { - do_execsql_test e_expr-4.$tn " - SELECT $literal = $literal, $literal == $literal, - $literal = $different, $literal == $different, - $literal = NULL, $literal == NULL, - $literal != $literal, $literal <> $literal, - $literal != $different, $literal <> $different, - $literal != NULL, $literal != NULL - - " {1 1 0 0 {} {} 0 0 1 1 {} {}} -} - -#------------------------------------------------------------------------- -# Test the || operator. -# -# EVIDENCE-OF: R-44409-62641 The || operator is "concatenate" - it joins -# together the two strings of its operands. -# -foreach {tn a b} { - 1 'helloworld' '12345' - 2 22 23 -} { - set as [db one "SELECT $a"] - set bs [db one "SELECT $b"] - - do_execsql_test e_expr-5.$tn "SELECT $a || $b" [list "${as}${bs}"] -} - -#------------------------------------------------------------------------- -# Test the % operator. -# -# EVIDENCE-OF: R-08914-63790 The operator % outputs the value of its -# left operand modulo its right operand. -# -do_execsql_test e_expr-6.1 {SELECT 72%5} {2} -do_execsql_test e_expr-6.2 {SELECT 72%-5} {2} -do_execsql_test e_expr-6.3 {SELECT -72%-5} {-2} -do_execsql_test e_expr-6.4 {SELECT -72%5} {-2} - -#------------------------------------------------------------------------- -# Test that the results of all binary operators are either numeric or -# NULL, except for the || operator, which may evaluate to either a text -# value or NULL. -# -# EVIDENCE-OF: R-20665-17792 The result of any binary operator is either -# a numeric value or NULL, except for the || concatenation operator -# which always evaluates to either NULL or a text value. -# -set literals { - 1 'abc' 2 'hexadecimal' 3 '' - 4 123 5 -123 6 0 - 7 123.4 8 0.0 9 -123.4 - 10 X'ABCDEF' 11 X'' 12 X'0000' - 13 NULL -} -foreach op $oplist { - foreach {n1 rhs} $literals { - foreach {n2 lhs} $literals { - - set t [db one " SELECT typeof($lhs $op $rhs) "] - do_test e_expr-7.$opname($op).$n1.$n2 { - expr { - ($op=="||" && ($t == "text" || $t == "null")) - || ($op!="||" && ($t == "integer" || $t == "real" || $t == "null")) - } - } 1 - - }} -} - -#------------------------------------------------------------------------- -# Test the IS and IS NOT operators. -# -# EVIDENCE-OF: R-24731-45773 The IS and IS NOT operators work like = and -# != except when one or both of the operands are NULL. -# -# EVIDENCE-OF: R-06325-15315 In this case, if both operands are NULL, -# then the IS operator evaluates to 1 (true) and the IS NOT operator -# evaluates to 0 (false). -# -# EVIDENCE-OF: R-19812-36779 If one operand is NULL and the other is -# not, then the IS operator evaluates to 0 (false) and the IS NOT -# operator is 1 (true). -# -# EVIDENCE-OF: R-61975-13410 It is not possible for an IS or IS NOT -# expression to evaluate to NULL. -# -do_execsql_test e_expr-8.1.1 { SELECT NULL IS NULL } {1} -do_execsql_test e_expr-8.1.2 { SELECT 'ab' IS NULL } {0} -do_execsql_test e_expr-8.1.3 { SELECT NULL IS 'ab' } {0} -do_execsql_test e_expr-8.1.4 { SELECT 'ab' IS 'ab' } {1} -do_execsql_test e_expr-8.1.5 { SELECT NULL == NULL } {{}} -do_execsql_test e_expr-8.1.6 { SELECT 'ab' == NULL } {{}} -do_execsql_test e_expr-8.1.7 { SELECT NULL == 'ab' } {{}} -do_execsql_test e_expr-8.1.8 { SELECT 'ab' == 'ab' } {1} -do_execsql_test e_expr-8.1.9 { SELECT NULL IS NOT NULL } {0} -do_execsql_test e_expr-8.1.10 { SELECT 'ab' IS NOT NULL } {1} -do_execsql_test e_expr-8.1.11 { SELECT NULL IS NOT 'ab' } {1} -do_execsql_test e_expr-8.1.12 { SELECT 'ab' IS NOT 'ab' } {0} -do_execsql_test e_expr-8.1.13 { SELECT NULL != NULL } {{}} -do_execsql_test e_expr-8.1.14 { SELECT 'ab' != NULL } {{}} -do_execsql_test e_expr-8.1.15 { SELECT NULL != 'ab' } {{}} -do_execsql_test e_expr-8.1.16 { SELECT 'ab' != 'ab' } {0} - -foreach {n1 rhs} $literals { - foreach {n2 lhs} $literals { - if {$rhs!="NULL" && $lhs!="NULL"} { - set eq [execsql "SELECT $lhs = $rhs, $lhs != $rhs"] - } else { - set eq [list [expr {$lhs=="NULL" && $rhs=="NULL"}] \ - [expr {$lhs!="NULL" || $rhs!="NULL"}] - ] - } - set test e_expr-8.2.$n1.$n2 - do_execsql_test $test.1 "SELECT $lhs IS $rhs, $lhs IS NOT $rhs" $eq - do_execsql_test $test.2 " - SELECT ($lhs IS $rhs) IS NULL, ($lhs IS NOT $rhs) IS NULL - " {0 0} - } -} - -#------------------------------------------------------------------------- -# Run some tests on the COLLATE "unary postfix operator". -# -# This collation sequence reverses both arguments before using -# [string compare] to compare them. For example, when comparing the -# strings 'one' and 'four', return the result of: -# -# string compare eno ruof -# -proc reverse_str {zStr} { - set out "" - foreach c [split $zStr {}] { set out "${c}${out}" } - set out -} -proc reverse_collate {zLeft zRight} { - string compare [reverse_str $zLeft] [reverse_str $zRight] -} -db collate reverse reverse_collate - -# EVIDENCE-OF: R-59577-33471 The COLLATE operator is a unary postfix -# operator that assigns a collating sequence to an expression. -# -# EVIDENCE-OF: R-36231-30731 The COLLATE operator has a higher -# precedence (binds more tightly) than any binary operator and any unary -# prefix operator except "~". -# -do_execsql_test e_expr-9.1 { SELECT 'abcd' < 'bbbb' COLLATE reverse } 0 -do_execsql_test e_expr-9.2 { SELECT ('abcd' < 'bbbb') COLLATE reverse } 1 -do_execsql_test e_expr-9.3 { SELECT 'abcd' <= 'bbbb' COLLATE reverse } 0 -do_execsql_test e_expr-9.4 { SELECT ('abcd' <= 'bbbb') COLLATE reverse } 1 - -do_execsql_test e_expr-9.5 { SELECT 'abcd' > 'bbbb' COLLATE reverse } 1 -do_execsql_test e_expr-9.6 { SELECT ('abcd' > 'bbbb') COLLATE reverse } 0 -do_execsql_test e_expr-9.7 { SELECT 'abcd' >= 'bbbb' COLLATE reverse } 1 -do_execsql_test e_expr-9.8 { SELECT ('abcd' >= 'bbbb') COLLATE reverse } 0 - -do_execsql_test e_expr-9.10 { SELECT 'abcd' = 'ABCD' COLLATE nocase } 1 -do_execsql_test e_expr-9.11 { SELECT ('abcd' = 'ABCD') COLLATE nocase } 0 -do_execsql_test e_expr-9.12 { SELECT 'abcd' == 'ABCD' COLLATE nocase } 1 -do_execsql_test e_expr-9.13 { SELECT ('abcd' == 'ABCD') COLLATE nocase } 0 -do_execsql_test e_expr-9.14 { SELECT 'abcd' IS 'ABCD' COLLATE nocase } 1 -do_execsql_test e_expr-9.15 { SELECT ('abcd' IS 'ABCD') COLLATE nocase } 0 - -do_execsql_test e_expr-9.16 { SELECT 'abcd' != 'ABCD' COLLATE nocase } 0 -do_execsql_test e_expr-9.17 { SELECT ('abcd' != 'ABCD') COLLATE nocase } 1 -do_execsql_test e_expr-9.18 { SELECT 'abcd' <> 'ABCD' COLLATE nocase } 0 -do_execsql_test e_expr-9.19 { SELECT ('abcd' <> 'ABCD') COLLATE nocase } 1 -do_execsql_test e_expr-9.20 { SELECT 'abcd' IS NOT 'ABCD' COLLATE nocase } 0 -do_execsql_test e_expr-9.21 { SELECT ('abcd' IS NOT 'ABCD') COLLATE nocase } 1 - -do_execsql_test e_expr-9.22 { - SELECT 'bbb' BETWEEN 'AAA' AND 'CCC' COLLATE nocase -} 1 -do_execsql_test e_expr-9.23 { - SELECT ('bbb' BETWEEN 'AAA' AND 'CCC') COLLATE nocase -} 0 - -# EVIDENCE-OF: R-58731-25439 The collating sequence set by the COLLATE -# operator overrides the collating sequence determined by the COLLATE -# clause in a table column definition. -# -do_execsql_test e_expr-9.24 { - CREATE TABLE t24(a COLLATE NOCASE, b); - INSERT INTO t24 VALUES('aaa', 1); - INSERT INTO t24 VALUES('bbb', 2); - INSERT INTO t24 VALUES('ccc', 3); -} {} -do_execsql_test e_expr-9.25 { SELECT 'BBB' = a FROM t24 } {0 1 0} -do_execsql_test e_expr-9.25 { SELECT a = 'BBB' FROM t24 } {0 1 0} -do_execsql_test e_expr-9.25 { SELECT 'BBB' = a COLLATE binary FROM t24 } {0 0 0} -do_execsql_test e_expr-9.25 { SELECT a COLLATE binary = 'BBB' FROM t24 } {0 0 0} - -#------------------------------------------------------------------------- -# Test statements related to literal values. -# -# EVIDENCE-OF: R-31536-32008 Literal values may be integers, floating -# point numbers, strings, BLOBs, or NULLs. -# -do_execsql_test e_expr-10.1.1 { SELECT typeof(5) } {integer} -do_execsql_test e_expr-10.1.2 { SELECT typeof(5.1) } {real} -do_execsql_test e_expr-10.1.3 { SELECT typeof('5.1') } {text} -do_execsql_test e_expr-10.1.4 { SELECT typeof(X'ABCD') } {blob} -do_execsql_test e_expr-10.1.5 { SELECT typeof(NULL) } {null} - -# "Scientific notation is supported for point literal values." -# -do_execsql_test e_expr-10.2.1 { SELECT typeof(3.4e-02) } {real} -do_execsql_test e_expr-10.2.2 { SELECT typeof(3e+5) } {real} -do_execsql_test e_expr-10.2.3 { SELECT 3.4e-02 } {0.034} -do_execsql_test e_expr-10.2.4 { SELECT 3e+4 } {30000.0} - -# EVIDENCE-OF: R-35229-17830 A string constant is formed by enclosing -# the string in single quotes ('). -# -# EVIDENCE-OF: R-07100-06606 A single quote within the string can be -# encoded by putting two single quotes in a row - as in Pascal. -# -do_execsql_test e_expr-10.3.1 { SELECT 'is not' } {{is not}} -do_execsql_test e_expr-10.3.2 { SELECT typeof('is not') } {text} -do_execsql_test e_expr-10.3.3 { SELECT 'isn''t' } {isn't} -do_execsql_test e_expr-10.3.4 { SELECT typeof('isn''t') } {text} - -# EVIDENCE-OF: R-09593-03321 BLOB literals are string literals -# containing hexadecimal data and preceded by a single "x" or "X" -# character. -# -# EVIDENCE-OF: R-39344-59787 For example: X'53514C697465' -# -do_execsql_test e_expr-10.4.1 { SELECT typeof(X'0123456789ABCDEF') } blob -do_execsql_test e_expr-10.4.2 { SELECT typeof(x'0123456789ABCDEF') } blob -do_execsql_test e_expr-10.4.3 { SELECT typeof(X'0123456789abcdef') } blob -do_execsql_test e_expr-10.4.4 { SELECT typeof(x'0123456789abcdef') } blob -do_execsql_test e_expr-10.4.5 { SELECT typeof(X'53514C697465') } blob - -# EVIDENCE-OF: R-23914-51476 A literal value can also be the token -# "NULL". -# -do_execsql_test e_expr-10.5.1 { SELECT NULL } {{}} -do_execsql_test e_expr-10.5.2 { SELECT typeof(NULL) } {null} - -#------------------------------------------------------------------------- -# Test statements related to bound parameters -# - -proc parameter_test {tn sql params result} { - set stmt [sqlite3_prepare_v2 db $sql -1] - - foreach {number name} $params { - set nm [sqlite3_bind_parameter_name $stmt $number] - do_test $tn.name.$number [list set {} $nm] $name - sqlite3_bind_int $stmt $number [expr -1 * $number] - } - - sqlite3_step $stmt - - set res [list] - for {set i 0} {$i < [sqlite3_column_count $stmt]} {incr i} { - lappend res [sqlite3_column_text $stmt $i] - } - - set rc [sqlite3_finalize $stmt] - do_test $tn.rc [list set {} $rc] SQLITE_OK - do_test $tn.res [list set {} $res] $result -} - -# EVIDENCE-OF: R-33509-39458 A question mark followed by a number NNN -# holds a spot for the NNN-th parameter. NNN must be between 1 and -# SQLITE_MAX_VARIABLE_NUMBER. -# -set mvn $SQLITE_MAX_VARIABLE_NUMBER -parameter_test e_expr-11.1 " - SELECT ?1, ?123, ?$SQLITE_MAX_VARIABLE_NUMBER, ?123, ?4 -" "1 ?1 123 ?123 $mvn ?$mvn 4 ?4" "-1 -123 -$mvn -123 -4" - -set errmsg "variable number must be between ?1 and ?$SQLITE_MAX_VARIABLE_NUMBER" -foreach {tn param_number} [list \ - 2 0 \ - 3 [expr $SQLITE_MAX_VARIABLE_NUMBER+1] \ - 4 [expr $SQLITE_MAX_VARIABLE_NUMBER+2] \ - 5 12345678903456789034567890234567890 \ - 6 2147483648 \ - 7 2147483649 \ - 8 4294967296 \ - 9 4294967297 \ - 10 9223372036854775808 \ - 11 9223372036854775809 \ - 12 18446744073709551616 \ - 13 18446744073709551617 \ -] { - do_catchsql_test e_expr-11.1.$tn "SELECT ?$param_number" [list 1 $errmsg] -} - -# EVIDENCE-OF: R-33670-36097 A question mark that is not followed by a -# number creates a parameter with a number one greater than the largest -# parameter number already assigned. -# -# EVIDENCE-OF: R-42938-07030 If this means the parameter number is -# greater than SQLITE_MAX_VARIABLE_NUMBER, it is an error. -# -parameter_test e_expr-11.2.1 "SELECT ?" {1 {}} -1 -parameter_test e_expr-11.2.2 "SELECT ?, ?" {1 {} 2 {}} {-1 -2} -parameter_test e_expr-11.2.3 "SELECT ?5, ?" {5 ?5 6 {}} {-5 -6} -parameter_test e_expr-11.2.4 "SELECT ?, ?5" {1 {} 5 ?5} {-1 -5} -parameter_test e_expr-11.2.5 "SELECT ?, ?456, ?" { - 1 {} 456 ?456 457 {} -} {-1 -456 -457} -parameter_test e_expr-11.2.5 "SELECT ?, ?456, ?4, ?" { - 1 {} 456 ?456 4 ?4 457 {} -} {-1 -456 -4 -457} -foreach {tn sql} [list \ - 1 "SELECT ?$mvn, ?" \ - 2 "SELECT ?[expr $mvn-5], ?, ?, ?, ?, ?, ?" \ - 3 "SELECT ?[expr $mvn], ?5, ?6, ?" \ -] { - do_catchsql_test e_expr-11.3.$tn $sql [list 1 {too many SQL variables}] -} - -# EVIDENCE-OF: R-11620-22743 A colon followed by an identifier name -# holds a spot for a named parameter with the name :AAAA. -# -# Identifiers in SQLite consist of alphanumeric, '_' and '$' characters, -# and any UTF characters with codepoints larger than 127 (non-ASCII -# characters). -# -parameter_test e_expr-11.2.1 {SELECT :AAAA} {1 :AAAA} -1 -parameter_test e_expr-11.2.2 {SELECT :123} {1 :123} -1 -parameter_test e_expr-11.2.3 {SELECT :__} {1 :__} -1 -parameter_test e_expr-11.2.4 {SELECT :_$_} {1 :_$_} -1 -parameter_test e_expr-11.2.5 " - SELECT :\u0e40\u0e2d\u0e28\u0e02\u0e39\u0e40\u0e2d\u0e25 -" "1 :\u0e40\u0e2d\u0e28\u0e02\u0e39\u0e40\u0e2d\u0e25" -1 -parameter_test e_expr-11.2.6 "SELECT :\u0080" "1 :\u0080" -1 - -# EVIDENCE-OF: R-49783-61279 An "at" sign works exactly like a colon, -# except that the name of the parameter created is @AAAA. -# -parameter_test e_expr-11.3.1 {SELECT @AAAA} {1 @AAAA} -1 -parameter_test e_expr-11.3.2 {SELECT @123} {1 @123} -1 -parameter_test e_expr-11.3.3 {SELECT @__} {1 @__} -1 -parameter_test e_expr-11.3.4 {SELECT @_$_} {1 @_$_} -1 -parameter_test e_expr-11.3.5 " - SELECT @\u0e40\u0e2d\u0e28\u0e02\u0e39\u0e40\u0e2d\u0e25 -" "1 @\u0e40\u0e2d\u0e28\u0e02\u0e39\u0e40\u0e2d\u0e25" -1 -parameter_test e_expr-11.3.6 "SELECT @\u0080" "1 @\u0080" -1 - -# EVIDENCE-OF: R-62610-51329 A dollar-sign followed by an identifier -# name also holds a spot for a named parameter with the name $AAAA. -# -# EVIDENCE-OF: R-55025-21042 The identifier name in this case can -# include one or more occurrences of "::" and a suffix enclosed in -# "(...)" containing any text at all. -# -# Note: Looks like an identifier cannot consist entirely of "::" -# characters or just a suffix. Also, the other named variable characters -# (: and @) work the same way internally. Why not just document it that way? -# -parameter_test e_expr-11.4.1 {SELECT $AAAA} {1 $AAAA} -1 -parameter_test e_expr-11.4.2 {SELECT $123} {1 $123} -1 -parameter_test e_expr-11.4.3 {SELECT $__} {1 $__} -1 -parameter_test e_expr-11.4.4 {SELECT $_$_} {1 $_$_} -1 -parameter_test e_expr-11.4.5 " - SELECT \$\u0e40\u0e2d\u0e28\u0e02\u0e39\u0e40\u0e2d\u0e25 -" "1 \$\u0e40\u0e2d\u0e28\u0e02\u0e39\u0e40\u0e2d\u0e25" -1 -parameter_test e_expr-11.4.6 "SELECT \$\u0080" "1 \$\u0080" -1 - -parameter_test e_expr-11.5.1 {SELECT $::::a(++--++)} {1 $::::a(++--++)} -1 -parameter_test e_expr-11.5.2 {SELECT $::a()} {1 $::a()} -1 -parameter_test e_expr-11.5.3 {SELECT $::1(::#$)} {1 $::1(::#$)} -1 - -# EVIDENCE-OF: R-11370-04520 Named parameters are also numbered. The -# number assigned is one greater than the largest parameter number -# already assigned. -# -# EVIDENCE-OF: R-42620-22184 If this means the parameter would be -# assigned a number greater than SQLITE_MAX_VARIABLE_NUMBER, it is an -# error. -# -parameter_test e_expr-11.6.1 "SELECT ?, @abc" {1 {} 2 @abc} {-1 -2} -parameter_test e_expr-11.6.2 "SELECT ?123, :a1" {123 ?123 124 :a1} {-123 -124} -parameter_test e_expr-11.6.3 {SELECT $a, ?8, ?, $b, ?2, $c} { - 1 $a 8 ?8 9 {} 10 $b 2 ?2 11 $c -} {-1 -8 -9 -10 -2 -11} -foreach {tn sql} [list \ - 1 "SELECT ?$mvn, \$::a" \ - 2 "SELECT ?$mvn, ?4, @a1" \ - 3 "SELECT ?[expr $mvn-2], :bag, @123, \$x" \ -] { - do_catchsql_test e_expr-11.7.$tn $sql [list 1 {too many SQL variables}] -} - -# EVIDENCE-OF: R-14068-49671 Parameters that are not assigned values -# using sqlite3_bind() are treated as NULL. -# -do_test e_expr-11.7.1 { - set stmt [sqlite3_prepare_v2 db { SELECT ?, :a, @b, $d } -1] - sqlite3_step $stmt - - list [sqlite3_column_type $stmt 0] \ - [sqlite3_column_type $stmt 1] \ - [sqlite3_column_type $stmt 2] \ - [sqlite3_column_type $stmt 3] -} {NULL NULL NULL NULL} -do_test e_expr-11.7.1 { sqlite3_finalize $stmt } SQLITE_OK - -#------------------------------------------------------------------------- -# "Test" the syntax diagrams in lang_expr.html. -# -# -- syntax diagram signed-number -# -do_execsql_test e_expr-12.1.1 { SELECT 0, +0, -0 } {0 0 0} -do_execsql_test e_expr-12.1.2 { SELECT 1, +1, -1 } {1 1 -1} -do_execsql_test e_expr-12.1.3 { SELECT 2, +2, -2 } {2 2 -2} -do_execsql_test e_expr-12.1.4 { - SELECT 1.4, +1.4, -1.4 -} {1.4 1.4 -1.4} -do_execsql_test e_expr-12.1.5 { - SELECT 1.5e+5, +1.5e+5, -1.5e+5 -} {150000.0 150000.0 -150000.0} -do_execsql_test e_expr-12.1.6 { - SELECT 0.0001, +0.0001, -0.0001 -} {0.0001 0.0001 -0.0001} - -# -- syntax diagram literal-value -# -set sqlite_current_time 1 -do_execsql_test e_expr-12.2.1 {SELECT 123} {123} -do_execsql_test e_expr-12.2.2 {SELECT 123.4e05} {12340000.0} -do_execsql_test e_expr-12.2.3 {SELECT 'abcde'} {abcde} -do_execsql_test e_expr-12.2.4 {SELECT X'414243'} {ABC} -do_execsql_test e_expr-12.2.5 {SELECT NULL} {{}} -do_execsql_test e_expr-12.2.6 {SELECT CURRENT_TIME} {00:00:01} -do_execsql_test e_expr-12.2.7 {SELECT CURRENT_DATE} {1970-01-01} -do_execsql_test e_expr-12.2.8 {SELECT CURRENT_TIMESTAMP} {{1970-01-01 00:00:01}} -set sqlite_current_time 0 - -# -- syntax diagram expr -# -forcedelete test.db2 -execsql { - ATTACH 'test.db2' AS dbname; - CREATE TABLE dbname.tblname(cname); -} - -proc glob {args} {return 1} -db function glob glob -db function match glob -db function regexp glob - -foreach {tn expr} { - 1 123 - 2 123.4e05 - 3 'abcde' - 4 X'414243' - 5 NULL - 6 CURRENT_TIME - 7 CURRENT_DATE - 8 CURRENT_TIMESTAMP - - 9 ? - 10 ?123 - 11 @hello - 12 :world - 13 $tcl - 14 $tcl(array) - - 15 cname - 16 tblname.cname - 17 dbname.tblname.cname - - 18 "+ EXPR" - 19 "- EXPR" - 20 "NOT EXPR" - 21 "~ EXPR" - - 22 "EXPR1 || EXPR2" - 23 "EXPR1 * EXPR2" - 24 "EXPR1 / EXPR2" - 25 "EXPR1 % EXPR2" - 26 "EXPR1 + EXPR2" - 27 "EXPR1 - EXPR2" - 28 "EXPR1 << EXPR2" - 29 "EXPR1 >> EXPR2" - 30 "EXPR1 & EXPR2" - 31 "EXPR1 | EXPR2" - 32 "EXPR1 < EXPR2" - 33 "EXPR1 <= EXPR2" - 34 "EXPR1 > EXPR2" - 35 "EXPR1 >= EXPR2" - 36 "EXPR1 = EXPR2" - 37 "EXPR1 == EXPR2" - 38 "EXPR1 != EXPR2" - 39 "EXPR1 <> EXPR2" - 40 "EXPR1 IS EXPR2" - 41 "EXPR1 IS NOT EXPR2" - 42 "EXPR1 AND EXPR2" - 43 "EXPR1 OR EXPR2" - - 44 "count(*)" - 45 "count(DISTINCT EXPR)" - 46 "substr(EXPR, 10, 20)" - 47 "changes()" - - 48 "( EXPR )" - - 49 "CAST ( EXPR AS integer )" - 50 "CAST ( EXPR AS 'abcd' )" - 51 "CAST ( EXPR AS 'ab$ $cd' )" - - 52 "EXPR COLLATE nocase" - 53 "EXPR COLLATE binary" - - 54 "EXPR1 LIKE EXPR2" - 55 "EXPR1 LIKE EXPR2 ESCAPE EXPR" - 56 "EXPR1 GLOB EXPR2" - 57 "EXPR1 GLOB EXPR2 ESCAPE EXPR" - 58 "EXPR1 REGEXP EXPR2" - 59 "EXPR1 REGEXP EXPR2 ESCAPE EXPR" - 60 "EXPR1 MATCH EXPR2" - 61 "EXPR1 MATCH EXPR2 ESCAPE EXPR" - 62 "EXPR1 NOT LIKE EXPR2" - 63 "EXPR1 NOT LIKE EXPR2 ESCAPE EXPR" - 64 "EXPR1 NOT GLOB EXPR2" - 65 "EXPR1 NOT GLOB EXPR2 ESCAPE EXPR" - 66 "EXPR1 NOT REGEXP EXPR2" - 67 "EXPR1 NOT REGEXP EXPR2 ESCAPE EXPR" - 68 "EXPR1 NOT MATCH EXPR2" - 69 "EXPR1 NOT MATCH EXPR2 ESCAPE EXPR" - - 70 "EXPR ISNULL" - 71 "EXPR NOTNULL" - 72 "EXPR NOT NULL" - - 73 "EXPR1 IS EXPR2" - 74 "EXPR1 IS NOT EXPR2" - - 75 "EXPR NOT BETWEEN EXPR1 AND EXPR2" - 76 "EXPR BETWEEN EXPR1 AND EXPR2" - - 77 "EXPR NOT IN (SELECT cname FROM tblname)" - 78 "EXPR NOT IN (1)" - 79 "EXPR NOT IN (1, 2, 3)" - 80 "EXPR NOT IN tblname" - 81 "EXPR NOT IN dbname.tblname" - 82 "EXPR IN (SELECT cname FROM tblname)" - 83 "EXPR IN (1)" - 84 "EXPR IN (1, 2, 3)" - 85 "EXPR IN tblname" - 86 "EXPR IN dbname.tblname" - - 87 "EXISTS (SELECT cname FROM tblname)" - 88 "NOT EXISTS (SELECT cname FROM tblname)" - - 89 "CASE EXPR WHEN EXPR1 THEN EXPR2 ELSE EXPR END" - 90 "CASE EXPR WHEN EXPR1 THEN EXPR2 END" - 91 "CASE EXPR WHEN EXPR1 THEN EXPR2 WHEN EXPR THEN EXPR1 ELSE EXPR2 END" - 92 "CASE EXPR WHEN EXPR1 THEN EXPR2 WHEN EXPR THEN EXPR1 END" - 93 "CASE WHEN EXPR1 THEN EXPR2 ELSE EXPR END" - 94 "CASE WHEN EXPR1 THEN EXPR2 END" - 95 "CASE WHEN EXPR1 THEN EXPR2 WHEN EXPR THEN EXPR1 ELSE EXPR2 END" - 96 "CASE WHEN EXPR1 THEN EXPR2 WHEN EXPR THEN EXPR1 END" -} { - - # If the expression string being parsed contains "EXPR2", then replace - # string "EXPR1" and "EXPR2" with arbitrary SQL expressions. If it - # contains "EXPR", then replace EXPR with an arbitrary SQL expression. - # - set elist [list $expr] - if {[string match *EXPR2* $expr]} { - set elist [list] - foreach {e1 e2} { cname "34+22" } { - lappend elist [string map [list EXPR1 $e1 EXPR2 $e2] $expr] - } - } - if {[string match *EXPR* $expr]} { - set elist2 [list] - foreach el $elist { - foreach e { cname "34+22" } { - lappend elist2 [string map [list EXPR $e] $el] - } - } - set elist $elist2 - } - - set x 0 - foreach e $elist { - incr x - do_test e_expr-12.3.$tn.$x { - set rc [catch { execsql "SELECT $e FROM tblname" } msg] - } {0} - } -} - -# -- syntax diagram raise-function -# -foreach {tn raiseexpr} { - 1 "RAISE(IGNORE)" - 2 "RAISE(ROLLBACK, 'error message')" - 3 "RAISE(ABORT, 'error message')" - 4 "RAISE(FAIL, 'error message')" -} { - do_execsql_test e_expr-12.4.$tn " - CREATE TRIGGER dbname.tr$tn BEFORE DELETE ON tblname BEGIN - SELECT $raiseexpr ; - END; - " {} -} - -#------------------------------------------------------------------------- -# Test the statements related to the BETWEEN operator. -# -# EVIDENCE-OF: R-40079-54503 The BETWEEN operator is logically -# equivalent to a pair of comparisons. "x BETWEEN y AND z" is equivalent -# to "x>=y AND x<=z" except that with BETWEEN, the x expression is -# only evaluated once. -# -db func x x -proc x {} { incr ::xcount ; return [expr $::x] } -foreach {tn x expr res nEval} { - 1 10 "x() >= 5 AND x() <= 15" 1 2 - 2 10 "x() BETWEEN 5 AND 15" 1 1 - - 3 5 "x() >= 5 AND x() <= 5" 1 2 - 4 5 "x() BETWEEN 5 AND 5" 1 1 -} { - do_test e_expr-13.1.$tn { - set ::xcount 0 - set a [execsql "SELECT $expr"] - list $::xcount $a - } [list $nEval $res] -} - -# EVIDENCE-OF: R-05155-34454 The precedence of the BETWEEN operator is -# the same as the precedence as operators == and != and LIKE and groups -# left to right. -# -# Therefore, BETWEEN groups more tightly than operator "AND", but less -# so than "<". -# -do_execsql_test e_expr-13.2.1 { SELECT 1 == 10 BETWEEN 0 AND 2 } 1 -do_execsql_test e_expr-13.2.2 { SELECT (1 == 10) BETWEEN 0 AND 2 } 1 -do_execsql_test e_expr-13.2.3 { SELECT 1 == (10 BETWEEN 0 AND 2) } 0 -do_execsql_test e_expr-13.2.4 { SELECT 6 BETWEEN 4 AND 8 == 1 } 1 -do_execsql_test e_expr-13.2.5 { SELECT (6 BETWEEN 4 AND 8) == 1 } 1 -do_execsql_test e_expr-13.2.6 { SELECT 6 BETWEEN 4 AND (8 == 1) } 0 - -do_execsql_test e_expr-13.2.7 { SELECT 5 BETWEEN 0 AND 0 != 1 } 1 -do_execsql_test e_expr-13.2.8 { SELECT (5 BETWEEN 0 AND 0) != 1 } 1 -do_execsql_test e_expr-13.2.9 { SELECT 5 BETWEEN 0 AND (0 != 1) } 0 -do_execsql_test e_expr-13.2.10 { SELECT 1 != 0 BETWEEN 0 AND 2 } 1 -do_execsql_test e_expr-13.2.11 { SELECT (1 != 0) BETWEEN 0 AND 2 } 1 -do_execsql_test e_expr-13.2.12 { SELECT 1 != (0 BETWEEN 0 AND 2) } 0 - -do_execsql_test e_expr-13.2.13 { SELECT 1 LIKE 10 BETWEEN 0 AND 2 } 1 -do_execsql_test e_expr-13.2.14 { SELECT (1 LIKE 10) BETWEEN 0 AND 2 } 1 -do_execsql_test e_expr-13.2.15 { SELECT 1 LIKE (10 BETWEEN 0 AND 2) } 0 -do_execsql_test e_expr-13.2.16 { SELECT 6 BETWEEN 4 AND 8 LIKE 1 } 1 -do_execsql_test e_expr-13.2.17 { SELECT (6 BETWEEN 4 AND 8) LIKE 1 } 1 -do_execsql_test e_expr-13.2.18 { SELECT 6 BETWEEN 4 AND (8 LIKE 1) } 0 - -do_execsql_test e_expr-13.2.19 { SELECT 0 AND 0 BETWEEN 0 AND 1 } 0 -do_execsql_test e_expr-13.2.20 { SELECT 0 AND (0 BETWEEN 0 AND 1) } 0 -do_execsql_test e_expr-13.2.21 { SELECT (0 AND 0) BETWEEN 0 AND 1 } 1 -do_execsql_test e_expr-13.2.22 { SELECT 0 BETWEEN -1 AND 1 AND 0 } 0 -do_execsql_test e_expr-13.2.23 { SELECT (0 BETWEEN -1 AND 1) AND 0 } 0 -do_execsql_test e_expr-13.2.24 { SELECT 0 BETWEEN -1 AND (1 AND 0) } 1 - -do_execsql_test e_expr-13.2.25 { SELECT 2 < 3 BETWEEN 0 AND 1 } 1 -do_execsql_test e_expr-13.2.26 { SELECT (2 < 3) BETWEEN 0 AND 1 } 1 -do_execsql_test e_expr-13.2.27 { SELECT 2 < (3 BETWEEN 0 AND 1) } 0 -do_execsql_test e_expr-13.2.28 { SELECT 2 BETWEEN 1 AND 2 < 3 } 0 -do_execsql_test e_expr-13.2.29 { SELECT 2 BETWEEN 1 AND (2 < 3) } 0 -do_execsql_test e_expr-13.2.30 { SELECT (2 BETWEEN 1 AND 2) < 3 } 1 - -#------------------------------------------------------------------------- -# Test the statements related to the LIKE and GLOB operators. -# -# EVIDENCE-OF: R-16584-60189 The LIKE operator does a pattern matching -# comparison. -# -# EVIDENCE-OF: R-11295-04657 The operand to the right of the LIKE -# operator contains the pattern and the left hand operand contains the -# string to match against the pattern. -# -do_execsql_test e_expr-14.1.1 { SELECT 'abc%' LIKE 'abcde' } 0 -do_execsql_test e_expr-14.1.2 { SELECT 'abcde' LIKE 'abc%' } 1 - -# EVIDENCE-OF: R-55406-38524 A percent symbol ("%") in the LIKE pattern -# matches any sequence of zero or more characters in the string. -# -do_execsql_test e_expr-14.2.1 { SELECT 'abde' LIKE 'ab%de' } 1 -do_execsql_test e_expr-14.2.2 { SELECT 'abXde' LIKE 'ab%de' } 1 -do_execsql_test e_expr-14.2.3 { SELECT 'abABCde' LIKE 'ab%de' } 1 - -# EVIDENCE-OF: R-30433-25443 An underscore ("_") in the LIKE pattern -# matches any single character in the string. -# -do_execsql_test e_expr-14.3.1 { SELECT 'abde' LIKE 'ab_de' } 0 -do_execsql_test e_expr-14.3.2 { SELECT 'abXde' LIKE 'ab_de' } 1 -do_execsql_test e_expr-14.3.3 { SELECT 'abABCde' LIKE 'ab_de' } 0 - -# EVIDENCE-OF: R-59007-20454 Any other character matches itself or its -# lower/upper case equivalent (i.e. case-insensitive matching). -# -do_execsql_test e_expr-14.4.1 { SELECT 'abc' LIKE 'aBc' } 1 -do_execsql_test e_expr-14.4.2 { SELECT 'aBc' LIKE 'aBc' } 1 -do_execsql_test e_expr-14.4.3 { SELECT 'ac' LIKE 'aBc' } 0 - -# EVIDENCE-OF: R-23648-58527 SQLite only understands upper/lower case -# for ASCII characters by default. -# -# EVIDENCE-OF: R-04532-11527 The LIKE operator is case sensitive by -# default for unicode characters that are beyond the ASCII range. -# -# EVIDENCE-OF: R-44381-11669 the expression -# 'a' LIKE 'A' is TRUE but -# 'æ' LIKE 'Æ' is FALSE. -# -# The restriction to ASCII characters does not apply if the ICU -# library is compiled in. When ICU is enabled SQLite does not act -# as it does "by default". -# -do_execsql_test e_expr-14.5.1 { SELECT 'A' LIKE 'a' } 1 -ifcapable !icu { - do_execsql_test e_expr-14.5.2 "SELECT '\u00c6' LIKE '\u00e6'" 0 -} - -# EVIDENCE-OF: R-56683-13731 If the optional ESCAPE clause is present, -# then the expression following the ESCAPE keyword must evaluate to a -# string consisting of a single character. -# -do_catchsql_test e_expr-14.6.1 { - SELECT 'A' LIKE 'a' ESCAPE '12' -} {1 {ESCAPE expression must be a single character}} -do_catchsql_test e_expr-14.6.2 { - SELECT 'A' LIKE 'a' ESCAPE '' -} {1 {ESCAPE expression must be a single character}} -do_catchsql_test e_expr-14.6.3 { SELECT 'A' LIKE 'a' ESCAPE 'x' } {0 1} -do_catchsql_test e_expr-14.6.4 "SELECT 'A' LIKE 'a' ESCAPE '\u00e6'" {0 1} - -# EVIDENCE-OF: R-02045-23762 This character may be used in the LIKE -# pattern to include literal percent or underscore characters. -# -# EVIDENCE-OF: R-13345-31830 The escape character followed by a percent -# symbol (%), underscore (_), or a second instance of the escape -# character itself matches a literal percent symbol, underscore, or a -# single escape character, respectively. -# -do_execsql_test e_expr-14.7.1 { SELECT 'abc%' LIKE 'abcX%' ESCAPE 'X' } 1 -do_execsql_test e_expr-14.7.2 { SELECT 'abc5' LIKE 'abcX%' ESCAPE 'X' } 0 -do_execsql_test e_expr-14.7.3 { SELECT 'abc' LIKE 'abcX%' ESCAPE 'X' } 0 -do_execsql_test e_expr-14.7.4 { SELECT 'abcX%' LIKE 'abcX%' ESCAPE 'X' } 0 -do_execsql_test e_expr-14.7.5 { SELECT 'abc%%' LIKE 'abcX%' ESCAPE 'X' } 0 - -do_execsql_test e_expr-14.7.6 { SELECT 'abc_' LIKE 'abcX_' ESCAPE 'X' } 1 -do_execsql_test e_expr-14.7.7 { SELECT 'abc5' LIKE 'abcX_' ESCAPE 'X' } 0 -do_execsql_test e_expr-14.7.8 { SELECT 'abc' LIKE 'abcX_' ESCAPE 'X' } 0 -do_execsql_test e_expr-14.7.9 { SELECT 'abcX_' LIKE 'abcX_' ESCAPE 'X' } 0 -do_execsql_test e_expr-14.7.10 { SELECT 'abc__' LIKE 'abcX_' ESCAPE 'X' } 0 - -do_execsql_test e_expr-14.7.11 { SELECT 'abcX' LIKE 'abcXX' ESCAPE 'X' } 1 -do_execsql_test e_expr-14.7.12 { SELECT 'abc5' LIKE 'abcXX' ESCAPE 'X' } 0 -do_execsql_test e_expr-14.7.13 { SELECT 'abc' LIKE 'abcXX' ESCAPE 'X' } 0 -do_execsql_test e_expr-14.7.14 { SELECT 'abcXX' LIKE 'abcXX' ESCAPE 'X' } 0 - -# EVIDENCE-OF: R-51359-17496 The infix LIKE operator is implemented by -# calling the application-defined SQL functions like(Y,X) or like(Y,X,Z). -# -proc likefunc {args} { - eval lappend ::likeargs $args - return 1 -} -db func like -argcount 2 likefunc -db func like -argcount 3 likefunc -set ::likeargs [list] -do_execsql_test e_expr-15.1.1 { SELECT 'abc' LIKE 'def' } 1 -do_test e_expr-15.1.2 { set likeargs } {def abc} -set ::likeargs [list] -do_execsql_test e_expr-15.1.3 { SELECT 'abc' LIKE 'def' ESCAPE 'X' } 1 -do_test e_expr-15.1.4 { set likeargs } {def abc X} -db close -sqlite3 db test.db - -# EVIDENCE-OF: R-22868-25880 The LIKE operator can be made case -# sensitive using the case_sensitive_like pragma. -# -do_execsql_test e_expr-16.1.1 { SELECT 'abcxyz' LIKE 'ABC%' } 1 -do_execsql_test e_expr-16.1.2 { PRAGMA case_sensitive_like = 1 } {} -do_execsql_test e_expr-16.1.3 { SELECT 'abcxyz' LIKE 'ABC%' } 0 -do_execsql_test e_expr-16.1.4 { SELECT 'ABCxyz' LIKE 'ABC%' } 1 -do_execsql_test e_expr-16.1.5 { PRAGMA case_sensitive_like = 0 } {} -do_execsql_test e_expr-16.1.6 { SELECT 'abcxyz' LIKE 'ABC%' } 1 -do_execsql_test e_expr-16.1.7 { SELECT 'ABCxyz' LIKE 'ABC%' } 1 - -# EVIDENCE-OF: R-52087-12043 The GLOB operator is similar to LIKE but -# uses the Unix file globbing syntax for its wildcards. -# -# EVIDENCE-OF: R-09813-17279 Also, GLOB is case sensitive, unlike LIKE. -# -do_execsql_test e_expr-17.1.1 { SELECT 'abcxyz' GLOB 'abc%' } 0 -do_execsql_test e_expr-17.1.2 { SELECT 'abcxyz' GLOB 'abc*' } 1 -do_execsql_test e_expr-17.1.3 { SELECT 'abcxyz' GLOB 'abc___' } 0 -do_execsql_test e_expr-17.1.4 { SELECT 'abcxyz' GLOB 'abc???' } 1 - -do_execsql_test e_expr-17.1.5 { SELECT 'abcxyz' GLOB 'abc*' } 1 -do_execsql_test e_expr-17.1.6 { SELECT 'ABCxyz' GLOB 'abc*' } 0 -do_execsql_test e_expr-17.1.7 { SELECT 'abcxyz' GLOB 'ABC*' } 0 - -# EVIDENCE-OF: R-39616-20555 Both GLOB and LIKE may be preceded by the -# NOT keyword to invert the sense of the test. -# -do_execsql_test e_expr-17.2.1 { SELECT 'abcxyz' NOT GLOB 'ABC*' } 1 -do_execsql_test e_expr-17.2.2 { SELECT 'abcxyz' NOT GLOB 'abc*' } 0 -do_execsql_test e_expr-17.2.3 { SELECT 'abcxyz' NOT LIKE 'ABC%' } 0 -do_execsql_test e_expr-17.2.4 { SELECT 'abcxyz' NOT LIKE 'abc%' } 0 -do_execsql_test e_expr-17.2.5 { SELECT 'abdxyz' NOT LIKE 'abc%' } 1 - -db nullvalue null -do_execsql_test e_expr-17.2.6 { SELECT 'abcxyz' NOT GLOB NULL } null -do_execsql_test e_expr-17.2.7 { SELECT 'abcxyz' NOT LIKE NULL } null -do_execsql_test e_expr-17.2.8 { SELECT NULL NOT GLOB 'abc*' } null -do_execsql_test e_expr-17.2.9 { SELECT NULL NOT LIKE 'ABC%' } null -db nullvalue {} - -# EVIDENCE-OF: R-39414-35489 The infix GLOB operator is implemented by -# calling the function glob(Y,X) and can be modified by overriding that -# function. -proc globfunc {args} { - eval lappend ::globargs $args - return 1 -} -db func glob -argcount 2 globfunc -set ::globargs [list] -do_execsql_test e_expr-17.3.1 { SELECT 'abc' GLOB 'def' } 1 -do_test e_expr-17.3.2 { set globargs } {def abc} -set ::globargs [list] -do_execsql_test e_expr-17.3.3 { SELECT 'X' NOT GLOB 'Y' } 0 -do_test e_expr-17.3.4 { set globargs } {Y X} -sqlite3 db test.db - -# EVIDENCE-OF: R-41650-20872 No regexp() user function is defined by -# default and so use of the REGEXP operator will normally result in an -# error message. -# -# There is a regexp function if ICU is enabled though. -# -ifcapable !icu { - do_catchsql_test e_expr-18.1.1 { - SELECT regexp('abc', 'def') - } {1 {no such function: regexp}} - do_catchsql_test e_expr-18.1.2 { - SELECT 'abc' REGEXP 'def' - } {1 {no such function: REGEXP}} -} - -# EVIDENCE-OF: R-33693-50180 The REGEXP operator is a special syntax for -# the regexp() user function. -# -# EVIDENCE-OF: R-57289-13578 If a application-defined SQL function named -# "regexp" is added at run-time, that function will be called in order -# to implement the REGEXP operator. -# -proc regexpfunc {args} { - eval lappend ::regexpargs $args - return 1 -} -db func regexp -argcount 2 regexpfunc -set ::regexpargs [list] -do_execsql_test e_expr-18.2.1 { SELECT 'abc' REGEXP 'def' } 1 -do_test e_expr-18.2.2 { set regexpargs } {def abc} -set ::regexpargs [list] -do_execsql_test e_expr-18.2.3 { SELECT 'X' NOT REGEXP 'Y' } 0 -do_test e_expr-18.2.4 { set regexpargs } {Y X} -sqlite3 db test.db - -# EVIDENCE-OF: R-42037-37826 The default match() function implementation -# raises an exception and is not really useful for anything. -# -do_catchsql_test e_expr-19.1.1 { - SELECT 'abc' MATCH 'def' -} {1 {unable to use function MATCH in the requested context}} -do_catchsql_test e_expr-19.1.2 { - SELECT match('abc', 'def') -} {1 {unable to use function MATCH in the requested context}} - -# EVIDENCE-OF: R-37916-47407 The MATCH operator is a special syntax for -# the match() application-defined function. -# -# EVIDENCE-OF: R-06021-09373 But extensions can override the match() -# function with more helpful logic. -# -proc matchfunc {args} { - eval lappend ::matchargs $args - return 1 -} -db func match -argcount 2 matchfunc -set ::matchargs [list] -do_execsql_test e_expr-19.2.1 { SELECT 'abc' MATCH 'def' } 1 -do_test e_expr-19.2.2 { set matchargs } {def abc} -set ::matchargs [list] -do_execsql_test e_expr-19.2.3 { SELECT 'X' NOT MATCH 'Y' } 0 -do_test e_expr-19.2.4 { set matchargs } {Y X} -sqlite3 db test.db - -#------------------------------------------------------------------------- -# Test cases for the testable statements related to the CASE expression. -# -# EVIDENCE-OF: R-15199-61389 There are two basic forms of the CASE -# expression: those with a base expression and those without. -# -do_execsql_test e_expr-20.1 { - SELECT CASE WHEN 1 THEN 'true' WHEN 0 THEN 'false' ELSE 'else' END; -} {true} -do_execsql_test e_expr-20.2 { - SELECT CASE 0 WHEN 1 THEN 'true' WHEN 0 THEN 'false' ELSE 'else' END; -} {false} - -proc var {nm} { - lappend ::varlist $nm - return [set "::$nm"] -} -db func var var - -# EVIDENCE-OF: R-30638-59954 In a CASE without a base expression, each -# WHEN expression is evaluated and the result treated as a boolean, -# starting with the leftmost and continuing to the right. -# -foreach {a b c} {0 0 0} break -set varlist [list] -do_execsql_test e_expr-21.1.1 { - SELECT CASE WHEN var('a') THEN 'A' - WHEN var('b') THEN 'B' - WHEN var('c') THEN 'C' END -} {{}} -do_test e_expr-21.1.2 { set varlist } {a b c} -set varlist [list] -do_execsql_test e_expr-21.1.3 { - SELECT CASE WHEN var('c') THEN 'C' - WHEN var('b') THEN 'B' - WHEN var('a') THEN 'A' - ELSE 'no result' - END -} {{no result}} -do_test e_expr-21.1.4 { set varlist } {c b a} - -# EVIDENCE-OF: R-39009-25596 The result of the CASE expression is the -# evaluation of the THEN expression that corresponds to the first WHEN -# expression that evaluates to true. -# -foreach {a b c} {0 1 0} break -do_execsql_test e_expr-21.2.1 { - SELECT CASE WHEN var('a') THEN 'A' - WHEN var('b') THEN 'B' - WHEN var('c') THEN 'C' - ELSE 'no result' - END -} {B} -foreach {a b c} {0 1 1} break -do_execsql_test e_expr-21.2.2 { - SELECT CASE WHEN var('a') THEN 'A' - WHEN var('b') THEN 'B' - WHEN var('c') THEN 'C' - ELSE 'no result' - END -} {B} -foreach {a b c} {0 0 1} break -do_execsql_test e_expr-21.2.3 { - SELECT CASE WHEN var('a') THEN 'A' - WHEN var('b') THEN 'B' - WHEN var('c') THEN 'C' - ELSE 'no result' - END -} {C} - -# EVIDENCE-OF: R-24227-04807 Or, if none of the WHEN expressions -# evaluate to true, the result of evaluating the ELSE expression, if -# any. -# -foreach {a b c} {0 0 0} break -do_execsql_test e_expr-21.3.1 { - SELECT CASE WHEN var('a') THEN 'A' - WHEN var('b') THEN 'B' - WHEN var('c') THEN 'C' - ELSE 'no result' - END -} {{no result}} - -# EVIDENCE-OF: R-14168-07579 If there is no ELSE expression and none of -# the WHEN expressions are true, then the overall result is NULL. -# -db nullvalue null -do_execsql_test e_expr-21.3.2 { - SELECT CASE WHEN var('a') THEN 'A' - WHEN var('b') THEN 'B' - WHEN var('c') THEN 'C' - END -} {null} -db nullvalue {} - -# EVIDENCE-OF: R-13943-13592 A NULL result is considered untrue when -# evaluating WHEN terms. -# -do_execsql_test e_expr-21.4.1 { - SELECT CASE WHEN NULL THEN 'A' WHEN 1 THEN 'B' END -} {B} -do_execsql_test e_expr-21.4.2 { - SELECT CASE WHEN 0 THEN 'A' WHEN NULL THEN 'B' ELSE 'C' END -} {C} - -# EVIDENCE-OF: R-38620-19499 In a CASE with a base expression, the base -# expression is evaluated just once and the result is compared against -# the evaluation of each WHEN expression from left to right. -# -# Note: This test case tests the "evaluated just once" part of the above -# statement. Tests associated with the next two statements test that the -# comparisons take place. -# -foreach {a b c} [list [expr 3] [expr 4] [expr 5]] break -set ::varlist [list] -do_execsql_test e_expr-22.1.1 { - SELECT CASE var('a') WHEN 1 THEN 'A' WHEN 2 THEN 'B' WHEN 3 THEN 'C' END -} {C} -do_test e_expr-22.1.2 { set ::varlist } {a} - -# EVIDENCE-OF: R-07667-49537 The result of the CASE expression is the -# evaluation of the THEN expression that corresponds to the first WHEN -# expression for which the comparison is true. -# -do_execsql_test e_expr-22.2.1 { - SELECT CASE 23 WHEN 1 THEN 'A' WHEN 23 THEN 'B' WHEN 23 THEN 'C' END -} {B} -do_execsql_test e_expr-22.2.2 { - SELECT CASE 1 WHEN 1 THEN 'A' WHEN 23 THEN 'B' WHEN 23 THEN 'C' END -} {A} - -# EVIDENCE-OF: R-47543-32145 Or, if none of the WHEN expressions -# evaluate to a value equal to the base expression, the result of -# evaluating the ELSE expression, if any. -# -do_execsql_test e_expr-22.3.1 { - SELECT CASE 24 WHEN 1 THEN 'A' WHEN 23 THEN 'B' WHEN 23 THEN 'C' ELSE 'D' END -} {D} - -# EVIDENCE-OF: R-54721-48557 If there is no ELSE expression and none of -# the WHEN expressions produce a result equal to the base expression, -# the overall result is NULL. -# -do_execsql_test e_expr-22.4.1 { - SELECT CASE 24 WHEN 1 THEN 'A' WHEN 23 THEN 'B' WHEN 23 THEN 'C' END -} {{}} -db nullvalue null -do_execsql_test e_expr-22.4.2 { - SELECT CASE 24 WHEN 1 THEN 'A' WHEN 23 THEN 'B' WHEN 23 THEN 'C' END -} {null} -db nullvalue {} - -# EVIDENCE-OF: R-11479-62774 When comparing a base expression against a -# WHEN expression, the same collating sequence, affinity, and -# NULL-handling rules apply as if the base expression and WHEN -# expression are respectively the left- and right-hand operands of an = -# operator. -# -proc rev {str} { - set ret "" - set chars [split $str] - for {set i [expr [llength $chars]-1]} {$i>=0} {incr i -1} { - append ret [lindex $chars $i] - } - set ret -} -proc reverse {lhs rhs} { - string compare [rev $lhs] [rev $rhs] -} -db collate reverse reverse -do_execsql_test e_expr-23.1.1 { - CREATE TABLE t1( - a TEXT COLLATE NOCASE, - b COLLATE REVERSE, - c INTEGER, - d BLOB - ); - INSERT INTO t1 VALUES('abc', 'cba', 55, 34.5); -} {} -do_execsql_test e_expr-23.1.2 { - SELECT CASE a WHEN 'xyz' THEN 'A' WHEN 'AbC' THEN 'B' END FROM t1 -} {B} -do_execsql_test e_expr-23.1.3 { - SELECT CASE 'AbC' WHEN 'abc' THEN 'A' WHEN a THEN 'B' END FROM t1 -} {B} -do_execsql_test e_expr-23.1.4 { - SELECT CASE a WHEN b THEN 'A' ELSE 'B' END FROM t1 -} {B} -do_execsql_test e_expr-23.1.5 { - SELECT CASE b WHEN a THEN 'A' ELSE 'B' END FROM t1 -} {B} -do_execsql_test e_expr-23.1.6 { - SELECT CASE 55 WHEN '55' THEN 'A' ELSE 'B' END -} {B} -do_execsql_test e_expr-23.1.7 { - SELECT CASE c WHEN '55' THEN 'A' ELSE 'B' END FROM t1 -} {A} -do_execsql_test e_expr-23.1.8 { - SELECT CASE '34.5' WHEN d THEN 'A' ELSE 'B' END FROM t1 -} {B} -do_execsql_test e_expr-23.1.9 { - SELECT CASE NULL WHEN NULL THEN 'A' ELSE 'B' END -} {B} - -# EVIDENCE-OF: R-37304-39405 If the base expression is NULL then the -# result of the CASE is always the result of evaluating the ELSE -# expression if it exists, or NULL if it does not. -# -do_execsql_test e_expr-24.1.1 { - SELECT CASE NULL WHEN 'abc' THEN 'A' WHEN 'def' THEN 'B' END; -} {{}} -do_execsql_test e_expr-24.1.2 { - SELECT CASE NULL WHEN 'abc' THEN 'A' WHEN 'def' THEN 'B' ELSE 'C' END; -} {C} - -# EVIDENCE-OF: R-56280-17369 Both forms of the CASE expression use lazy, -# or short-circuit, evaluation. -# -set varlist [list] -foreach {a b c} {0 1 0} break -do_execsql_test e_expr-25.1.1 { - SELECT CASE WHEN var('a') THEN 'A' - WHEN var('b') THEN 'B' - WHEN var('c') THEN 'C' - END -} {B} -do_test e_expr-25.1.2 { set ::varlist } {a b} -set varlist [list] -do_execsql_test e_expr-25.1.3 { - SELECT CASE '0' WHEN var('a') THEN 'A' - WHEN var('b') THEN 'B' - WHEN var('c') THEN 'C' - END -} {A} -do_test e_expr-25.1.4 { set ::varlist } {a} - -# EVIDENCE-OF: R-34773-62253 The only difference between the following -# two CASE expressions is that the x expression is evaluated exactly -# once in the first example but might be evaluated multiple times in the -# second: CASE x WHEN w1 THEN r1 WHEN w2 THEN r2 ELSE r3 END CASE WHEN -# x=w1 THEN r1 WHEN x=w2 THEN r2 ELSE r3 END -# -proc ceval {x} { - incr ::evalcount - return $x -} -db func ceval ceval -set ::evalcount 0 - -do_execsql_test e_expr-26.1.1 { - CREATE TABLE t2(x, w1, r1, w2, r2, r3); - INSERT INTO t2 VALUES(1, 1, 'R1', 2, 'R2', 'R3'); - INSERT INTO t2 VALUES(2, 1, 'R1', 2, 'R2', 'R3'); - INSERT INTO t2 VALUES(3, 1, 'R1', 2, 'R2', 'R3'); -} {} -do_execsql_test e_expr-26.1.2 { - SELECT CASE x WHEN w1 THEN r1 WHEN w2 THEN r2 ELSE r3 END FROM t2 -} {R1 R2 R3} -do_execsql_test e_expr-26.1.3 { - SELECT CASE WHEN x=w1 THEN r1 WHEN x=w2 THEN r2 ELSE r3 END FROM t2 -} {R1 R2 R3} - -do_execsql_test e_expr-26.1.4 { - SELECT CASE ceval(x) WHEN w1 THEN r1 WHEN w2 THEN r2 ELSE r3 END FROM t2 -} {R1 R2 R3} -do_test e_expr-26.1.5 { set ::evalcount } {3} -set ::evalcount 0 -do_execsql_test e_expr-26.1.6 { - SELECT CASE - WHEN ceval(x)=w1 THEN r1 - WHEN ceval(x)=w2 THEN r2 - ELSE r3 END - FROM t2 -} {R1 R2 R3} -do_test e_expr-26.1.6 { set ::evalcount } {5} - - -#------------------------------------------------------------------------- -# Test statements related to CAST expressions. -# -# EVIDENCE-OF: R-65079-31758 Application of a CAST expression is -# different to application of a column affinity, as with a CAST -# expression the storage class conversion is forced even if it is lossy -# and irrreversible. -# -do_execsql_test e_expr-27.1.1 { - CREATE TABLE t3(a TEXT, b REAL, c INTEGER); - INSERT INTO t3 VALUES(X'555655', '1.23abc', 4.5); - SELECT typeof(a), a, typeof(b), b, typeof(c), c FROM t3; -} {blob UVU text 1.23abc real 4.5} -do_execsql_test e_expr-27.1.2 { - SELECT - typeof(CAST(X'555655' as TEXT)), CAST(X'555655' as TEXT), - typeof(CAST('1.23abc' as REAL)), CAST('1.23abc' as REAL), - typeof(CAST(4.5 as INTEGER)), CAST(4.5 as INTEGER) -} {text UVU real 1.23 integer 4} - -# EVIDENCE-OF: R-27225-65050 If the value of <expr> is NULL, then -# the result of the CAST expression is also NULL. -# -do_expr_test e_expr-27.2.1 { CAST(NULL AS integer) } null {} -do_expr_test e_expr-27.2.2 { CAST(NULL AS text) } null {} -do_expr_test e_expr-27.2.3 { CAST(NULL AS blob) } null {} -do_expr_test e_expr-27.2.4 { CAST(NULL AS number) } null {} - -# EVIDENCE-OF: R-31076-23575 Casting a value to a <type-name> with -# no affinity causes the value to be converted into a BLOB. -# -do_expr_test e_expr-27.3.1 { CAST('abc' AS blob) } blob abc -do_expr_test e_expr-27.3.2 { CAST('def' AS shobblob_x) } blob def -do_expr_test e_expr-27.3.3 { CAST('ghi' AS abbLOb10) } blob ghi - -# EVIDENCE-OF: R-22956-37754 Casting to a BLOB consists of first casting -# the value to TEXT in the encoding of the database connection, then -# interpreting the resulting byte sequence as a BLOB instead of as TEXT. -# -do_qexpr_test e_expr-27.4.1 { CAST('ghi' AS blob) } X'676869' -do_qexpr_test e_expr-27.4.2 { CAST(456 AS blob) } X'343536' -do_qexpr_test e_expr-27.4.3 { CAST(1.78 AS blob) } X'312E3738' -rename db db2 -sqlite3 db :memory: -ifcapable {utf16} { -db eval { PRAGMA encoding = 'utf-16le' } -do_qexpr_test e_expr-27.4.4 { CAST('ghi' AS blob) } X'670068006900' -do_qexpr_test e_expr-27.4.5 { CAST(456 AS blob) } X'340035003600' -do_qexpr_test e_expr-27.4.6 { CAST(1.78 AS blob) } X'31002E0037003800' -} -db close -sqlite3 db :memory: -db eval { PRAGMA encoding = 'utf-16be' } -ifcapable {utf16} { -do_qexpr_test e_expr-27.4.7 { CAST('ghi' AS blob) } X'006700680069' -do_qexpr_test e_expr-27.4.8 { CAST(456 AS blob) } X'003400350036' -do_qexpr_test e_expr-27.4.9 { CAST(1.78 AS blob) } X'0031002E00370038' -} -db close -rename db2 db - -# EVIDENCE-OF: R-04207-37981 To cast a BLOB value to TEXT, the sequence -# of bytes that make up the BLOB is interpreted as text encoded using -# the database encoding. -# -do_expr_test e_expr-28.1.1 { CAST (X'676869' AS text) } text ghi -do_expr_test e_expr-28.1.2 { CAST (X'670068006900' AS text) } text g -rename db db2 -sqlite3 db :memory: -db eval { PRAGMA encoding = 'utf-16le' } -ifcapable {utf16} { -do_expr_test e_expr-28.1.3 { CAST (X'676869' AS text) == 'ghi' } integer 0 -do_expr_test e_expr-28.1.4 { CAST (X'670068006900' AS text) } text ghi -} -db close -rename db2 db - -# EVIDENCE-OF: R-22235-47006 Casting an INTEGER or REAL value into TEXT -# renders the value as if via sqlite3_snprintf() except that the -# resulting TEXT uses the encoding of the database connection. -# -do_expr_test e_expr-28.2.1 { CAST (1 AS text) } text 1 -do_expr_test e_expr-28.2.2 { CAST (45 AS text) } text 45 -do_expr_test e_expr-28.2.3 { CAST (-45 AS text) } text -45 -do_expr_test e_expr-28.2.4 { CAST (8.8 AS text) } text 8.8 -do_expr_test e_expr-28.2.5 { CAST (2.3e+5 AS text) } text 230000.0 -do_expr_test e_expr-28.2.6 { CAST (-2.3e-5 AS text) } text -2.3e-05 -do_expr_test e_expr-28.2.7 { CAST (0.0 AS text) } text 0.0 -do_expr_test e_expr-28.2.7 { CAST (0 AS text) } text 0 - -# EVIDENCE-OF: R-26346-36443 When casting a BLOB value to a REAL, the -# value is first converted to TEXT. -# -do_expr_test e_expr-29.1.1 { CAST (X'312E3233' AS REAL) } real 1.23 -do_expr_test e_expr-29.1.2 { CAST (X'3233302E30' AS REAL) } real 230.0 -do_expr_test e_expr-29.1.3 { CAST (X'2D392E3837' AS REAL) } real -9.87 -do_expr_test e_expr-29.1.4 { CAST (X'302E30303031' AS REAL) } real 0.0001 -rename db db2 -sqlite3 db :memory: -ifcapable {utf16} { -db eval { PRAGMA encoding = 'utf-16le' } -do_expr_test e_expr-29.1.5 { - CAST (X'31002E0032003300' AS REAL) } real 1.23 -do_expr_test e_expr-29.1.6 { - CAST (X'3200330030002E003000' AS REAL) } real 230.0 -do_expr_test e_expr-29.1.7 { - CAST (X'2D0039002E0038003700' AS REAL) } real -9.87 -do_expr_test e_expr-29.1.8 { - CAST (X'30002E003000300030003100' AS REAL) } real 0.0001 -} -db close -rename db2 db - -# EVIDENCE-OF: R-54898-34554 When casting a TEXT value to REAL, the -# longest possible prefix of the value that can be interpreted as a real -# number is extracted from the TEXT value and the remainder ignored. -# -do_expr_test e_expr-29.2.1 { CAST('1.23abcd' AS REAL) } real 1.23 -do_expr_test e_expr-29.2.2 { CAST('1.45.23abcd' AS REAL) } real 1.45 -do_expr_test e_expr-29.2.3 { CAST('-2.12e-01ABC' AS REAL) } real -0.212 -do_expr_test e_expr-29.2.4 { CAST('1 2 3 4' AS REAL) } real 1.0 - -# EVIDENCE-OF: R-11321-47427 Any leading spaces in the TEXT value are -# ignored when converging from TEXT to REAL. -# -do_expr_test e_expr-29.3.1 { CAST(' 1.23abcd' AS REAL) } real 1.23 -do_expr_test e_expr-29.3.2 { CAST(' 1.45.23abcd' AS REAL) } real 1.45 -do_expr_test e_expr-29.3.3 { CAST(' -2.12e-01ABC' AS REAL) } real -0.212 -do_expr_test e_expr-29.3.4 { CAST(' 1 2 3 4' AS REAL) } real 1.0 - -# EVIDENCE-OF: R-22662-28218 If there is no prefix that can be -# interpreted as a real number, the result of the conversion is 0.0. -# -do_expr_test e_expr-29.4.1 { CAST('' AS REAL) } real 0.0 -do_expr_test e_expr-29.4.2 { CAST('not a number' AS REAL) } real 0.0 -do_expr_test e_expr-29.4.3 { CAST('XXI' AS REAL) } real 0.0 - -# EVIDENCE-OF: R-21829-14563 When casting a BLOB value to INTEGER, the -# value is first converted to TEXT. -# -do_expr_test e_expr-30.1.1 { CAST(X'313233' AS INTEGER) } integer 123 -do_expr_test e_expr-30.1.2 { CAST(X'2D363738' AS INTEGER) } integer -678 -do_expr_test e_expr-30.1.3 { - CAST(X'31303030303030' AS INTEGER) -} integer 1000000 -do_expr_test e_expr-30.1.4 { - CAST(X'2D31313235383939393036383432363234' AS INTEGER) -} integer -1125899906842624 - -rename db db2 -sqlite3 db :memory: -ifcapable {utf16} { -execsql { PRAGMA encoding = 'utf-16be' } -do_expr_test e_expr-30.1.5 { CAST(X'003100320033' AS INTEGER) } integer 123 -do_expr_test e_expr-30.1.6 { CAST(X'002D003600370038' AS INTEGER) } integer -678 -do_expr_test e_expr-30.1.7 { - CAST(X'0031003000300030003000300030' AS INTEGER) -} integer 1000000 -do_expr_test e_expr-30.1.8 { - CAST(X'002D0031003100320035003800390039003900300036003800340032003600320034' AS INTEGER) -} integer -1125899906842624 -} -db close -rename db2 db - -# EVIDENCE-OF: R-47612-45842 When casting a TEXT value to INTEGER, the -# longest possible prefix of the value that can be interpreted as an -# integer number is extracted from the TEXT value and the remainder -# ignored. -# -do_expr_test e_expr-30.2.1 { CAST('123abcd' AS INT) } integer 123 -do_expr_test e_expr-30.2.2 { CAST('14523abcd' AS INT) } integer 14523 -do_expr_test e_expr-30.2.3 { CAST('-2.12e-01ABC' AS INT) } integer -2 -do_expr_test e_expr-30.2.4 { CAST('1 2 3 4' AS INT) } integer 1 - -# EVIDENCE-OF: R-34400-33772 Any leading spaces in the TEXT value when -# converting from TEXT to INTEGER are ignored. -# -do_expr_test e_expr-30.3.1 { CAST(' 123abcd' AS INT) } integer 123 -do_expr_test e_expr-30.3.2 { CAST(' 14523abcd' AS INT) } integer 14523 -do_expr_test e_expr-30.3.3 { CAST(' -2.12e-01ABC' AS INT) } integer -2 -do_expr_test e_expr-30.3.4 { CAST(' 1 2 3 4' AS INT) } integer 1 - -# EVIDENCE-OF: R-43164-44276 If there is no prefix that can be -# interpreted as an integer number, the result of the conversion is 0. -# -do_expr_test e_expr-30.4.1 { CAST('' AS INTEGER) } integer 0 -do_expr_test e_expr-30.4.2 { CAST('not a number' AS INTEGER) } integer 0 -do_expr_test e_expr-30.4.3 { CAST('XXI' AS INTEGER) } integer 0 - -# EVIDENCE-OF: R-00741-38776 A cast of a REAL value into an INTEGER will -# truncate the fractional part of the REAL. -# -do_expr_test e_expr-31.1.1 { CAST(3.14159 AS INTEGER) } integer 3 -do_expr_test e_expr-31.1.2 { CAST(1.99999 AS INTEGER) } integer 1 -do_expr_test e_expr-31.1.3 { CAST(-1.99999 AS INTEGER) } integer -1 -do_expr_test e_expr-31.1.4 { CAST(-0.99999 AS INTEGER) } integer 0 - -# EVIDENCE-OF: R-49503-28105 If a REAL is too large to be represented as -# an INTEGER then the result of the cast is the largest negative -# integer: -9223372036854775808. -# -do_expr_test e_expr-31.2.1 { CAST(2e+50 AS INT) } integer -9223372036854775808 -do_expr_test e_expr-31.2.2 { CAST(-2e+50 AS INT) } integer -9223372036854775808 -do_expr_test e_expr-31.2.3 { - CAST(-9223372036854775809.0 AS INT) -} integer -9223372036854775808 -do_expr_test e_expr-31.2.4 { - CAST(9223372036854775809.0 AS INT) -} integer -9223372036854775808 - - -# EVIDENCE-OF: R-09295-61337 Casting a TEXT or BLOB value into NUMERIC -# first does a forced conversion into REAL but then further converts the -# result into INTEGER if and only if the conversion from REAL to INTEGER -# is lossless and reversible. -# -do_expr_test e_expr-32.1.1 { CAST('45' AS NUMERIC) } integer 45 -do_expr_test e_expr-32.1.2 { CAST('45.0' AS NUMERIC) } integer 45 -do_expr_test e_expr-32.1.3 { CAST('45.2' AS NUMERIC) } real 45.2 -do_expr_test e_expr-32.1.4 { CAST('11abc' AS NUMERIC) } integer 11 -do_expr_test e_expr-32.1.5 { CAST('11.1abc' AS NUMERIC) } real 11.1 - -# EVIDENCE-OF: R-30347-18702 Casting a REAL or INTEGER value to NUMERIC -# is a no-op, even if a real value could be losslessly converted to an -# integer. -# -do_expr_test e_expr-32.2.1 { CAST(13.0 AS NUMERIC) } real 13.0 -do_expr_test e_expr-32.2.2 { CAST(13.5 AS NUMERIC) } real 13.5 - -do_expr_test e_expr-32.2.3 { - CAST(-9223372036854775808 AS NUMERIC) -} integer -9223372036854775808 -do_expr_test e_expr-32.2.4 { - CAST(9223372036854775807 AS NUMERIC) -} integer 9223372036854775807 - -# EVIDENCE-OF: R-64550-29191 Note that the result from casting any -# non-BLOB value into a BLOB and the result from casting any BLOB value -# into a non-BLOB value may be different depending on whether the -# database encoding is UTF-8, UTF-16be, or UTF-16le. -# -ifcapable {utf16} { -sqlite3 db1 :memory: ; db1 eval { PRAGMA encoding = 'utf-8' } -sqlite3 db2 :memory: ; db2 eval { PRAGMA encoding = 'utf-16le' } -sqlite3 db3 :memory: ; db3 eval { PRAGMA encoding = 'utf-16be' } -foreach {tn castexpr differs} { - 1 { CAST(123 AS BLOB) } 1 - 2 { CAST('' AS BLOB) } 0 - 3 { CAST('abcd' AS BLOB) } 1 - - 4 { CAST(X'abcd' AS TEXT) } 1 - 5 { CAST(X'' AS TEXT) } 0 -} { - set r1 [db1 eval "SELECT typeof($castexpr), quote($castexpr)"] - set r2 [db2 eval "SELECT typeof($castexpr), quote($castexpr)"] - set r3 [db3 eval "SELECT typeof($castexpr), quote($castexpr)"] - - if {$differs} { - set res [expr {$r1!=$r2 && $r2!=$r3}] - } else { - set res [expr {$r1==$r2 && $r2==$r3}] - } - - do_test e_expr-33.1.$tn {set res} 1 -} -db1 close -db2 close -db3 close -} - -#------------------------------------------------------------------------- -# Test statements related to the EXISTS and NOT EXISTS operators. -# -catch { db close } -forcedelete test.db -sqlite3 db test.db - -do_execsql_test e_expr-34.1 { - CREATE TABLE t1(a, b); - INSERT INTO t1 VALUES(1, 2); - INSERT INTO t1 VALUES(NULL, 2); - INSERT INTO t1 VALUES(1, NULL); - INSERT INTO t1 VALUES(NULL, NULL); -} {} - -# EVIDENCE-OF: R-25588-27181 The EXISTS operator always evaluates to one -# of the integer values 0 and 1. -# -# This statement is not tested by itself. Instead, all e_expr-34.* tests -# following this point explicitly test that specific invocations of EXISTS -# return either integer 0 or integer 1. -# - -# EVIDENCE-OF: R-58553-63740 If executing the SELECT statement specified -# as the right-hand operand of the EXISTS operator would return one or -# more rows, then the EXISTS operator evaluates to 1. -# -foreach {tn expr} { - 1 { EXISTS ( SELECT a FROM t1 ) } - 2 { EXISTS ( SELECT b FROM t1 ) } - 3 { EXISTS ( SELECT 24 ) } - 4 { EXISTS ( SELECT NULL ) } - 5 { EXISTS ( SELECT a FROM t1 WHERE a IS NULL ) } -} { - do_expr_test e_expr-34.2.$tn $expr integer 1 -} - -# EVIDENCE-OF: R-19673-40972 If executing the SELECT would return no -# rows at all, then the EXISTS operator evaluates to 0. -# -foreach {tn expr} { - 1 { EXISTS ( SELECT a FROM t1 WHERE 0) } - 2 { EXISTS ( SELECT b FROM t1 WHERE a = 5) } - 3 { EXISTS ( SELECT 24 WHERE 0) } - 4 { EXISTS ( SELECT NULL WHERE 1=2) } -} { - do_expr_test e_expr-34.3.$tn $expr integer 0 -} - -# EVIDENCE-OF: R-35109-49139 The number of columns in each row returned -# by the SELECT statement (if any) and the specific values returned have -# no effect on the results of the EXISTS operator. -# -foreach {tn expr res} { - 1 { EXISTS ( SELECT * FROM t1 ) } 1 - 2 { EXISTS ( SELECT *, *, * FROM t1 ) } 1 - 3 { EXISTS ( SELECT 24, 25 ) } 1 - 4 { EXISTS ( SELECT NULL, NULL, NULL ) } 1 - 5 { EXISTS ( SELECT a,b,a||b FROM t1 WHERE a IS NULL ) } 1 - - 6 { EXISTS ( SELECT a, a FROM t1 WHERE 0) } 0 - 7 { EXISTS ( SELECT b, b, a FROM t1 WHERE a = 5) } 0 - 8 { EXISTS ( SELECT 24, 46, 89 WHERE 0) } 0 - 9 { EXISTS ( SELECT NULL, NULL WHERE 1=2) } 0 -} { - do_expr_test e_expr-34.4.$tn $expr integer $res -} - -# EVIDENCE-OF: R-10645-12439 In particular, rows containing NULL values -# are not handled any differently from rows without NULL values. -# -foreach {tn e1 e2} { - 1 { EXISTS (SELECT 'not null') } { EXISTS (SELECT NULL) } - 2 { EXISTS (SELECT NULL FROM t1) } { EXISTS (SELECT 'bread' FROM t1) } -} { - set res [db one "SELECT $e1"] - do_expr_test e_expr-34.5.${tn}a $e1 integer $res - do_expr_test e_expr-34.5.${tn}b $e2 integer $res -} - -#------------------------------------------------------------------------- -# Test statements related to scalar sub-queries. -# - -catch { db close } -forcedelete test.db -sqlite3 db test.db -do_test e_expr-35.0 { - execsql { - CREATE TABLE t2(a, b); - INSERT INTO t2 VALUES('one', 'two'); - INSERT INTO t2 VALUES('three', NULL); - INSERT INTO t2 VALUES(4, 5.0); - } -} {} - -# EVIDENCE-OF: R-00980-39256 A SELECT statement enclosed in parentheses -# may appear as a scalar quantity. -# -# EVIDENCE-OF: R-56294-03966 All types of SELECT statement, including -# aggregate and compound SELECT queries (queries with keywords like -# UNION or EXCEPT) are allowed as scalar subqueries. -# -do_expr_test e_expr-35.1.1 { (SELECT 35) } integer 35 -do_expr_test e_expr-35.1.2 { (SELECT NULL) } null {} - -do_expr_test e_expr-35.1.3 { (SELECT count(*) FROM t2) } integer 3 -do_expr_test e_expr-35.1.4 { (SELECT 4 FROM t2) } integer 4 - -do_expr_test e_expr-35.1.5 { - (SELECT b FROM t2 UNION SELECT a+1 FROM t2) -} null {} -do_expr_test e_expr-35.1.6 { - (SELECT a FROM t2 UNION SELECT COALESCE(b, 55) FROM t2 ORDER BY 1) -} integer 4 - -# EVIDENCE-OF: R-46899-53765 A SELECT used as a scalar quantity must -# return a result set with a single column. -# -# The following block tests that errors are returned in a bunch of cases -# where a subquery returns more than one column. -# -set M {only a single result allowed for a SELECT that is part of an expression} -foreach {tn sql} { - 1 { SELECT (SELECT * FROM t2 UNION SELECT a+1, b+1 FROM t2) } - 2 { SELECT (SELECT * FROM t2 UNION SELECT a+1, b+1 FROM t2 ORDER BY 1) } - 3 { SELECT (SELECT 1, 2) } - 4 { SELECT (SELECT NULL, NULL, NULL) } - 5 { SELECT (SELECT * FROM t2) } - 6 { SELECT (SELECT * FROM (SELECT 1, 2, 3)) } -} { - do_catchsql_test e_expr-35.2.$tn $sql [list 1 $M] -} - -# EVIDENCE-OF: R-35764-28041 The result of the expression is the value -# of the only column in the first row returned by the SELECT statement. -# -# EVIDENCE-OF: R-41898-06686 If the SELECT yields more than one result -# row, all rows after the first are ignored. -# -do_execsql_test e_expr-36.3.1 { - CREATE TABLE t4(x, y); - INSERT INTO t4 VALUES(1, 'one'); - INSERT INTO t4 VALUES(2, 'two'); - INSERT INTO t4 VALUES(3, 'three'); -} {} - -foreach {tn expr restype resval} { - 2 { ( SELECT x FROM t4 ORDER BY x ) } integer 1 - 3 { ( SELECT x FROM t4 ORDER BY y ) } integer 1 - 4 { ( SELECT x FROM t4 ORDER BY x DESC ) } integer 3 - 5 { ( SELECT x FROM t4 ORDER BY y DESC ) } integer 2 - 6 { ( SELECT y FROM t4 ORDER BY y DESC ) } text two - - 7 { ( SELECT sum(x) FROM t4 ) } integer 6 - 8 { ( SELECT group_concat(y,'') FROM t4 ) } text onetwothree - 9 { ( SELECT max(x) FROM t4 WHERE y LIKE '___') } integer 2 - -} { - do_expr_test e_expr-36.3.$tn $expr $restype $resval -} - -# EVIDENCE-OF: R-25492-41572 If the SELECT yields no rows, then the -# value of the expression is NULL. -# -foreach {tn expr} { - 1 { ( SELECT x FROM t4 WHERE x>3 ORDER BY x ) } - 2 { ( SELECT x FROM t4 WHERE y<'one' ORDER BY y ) } -} { - do_expr_test e_expr-36.4.$tn $expr null {} -} - - -finish_test |