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Diffstat (limited to 'third_party/sqlite/src/test/e_select2.test')
-rw-r--r-- | third_party/sqlite/src/test/e_select2.test | 580 |
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diff --git a/third_party/sqlite/src/test/e_select2.test b/third_party/sqlite/src/test/e_select2.test deleted file mode 100644 index b338d4f..0000000 --- a/third_party/sqlite/src/test/e_select2.test +++ /dev/null @@ -1,580 +0,0 @@ -# 2010 September 24 -# -# 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_select.html document are correct. -# - -set testdir [file dirname $argv0] -source $testdir/tester.tcl - -#------------------------------------------------------------------------- -# te_* commands: -# -# -# te_read_sql DB SELECT-STATEMENT -# te_read_tbl DB TABLENAME -# -# These two commands are used to read a dataset from the database. A dataset -# consists of N rows of M named columns of values each, where each value has a -# type (null, integer, real, text or blob) and a value within the types domain. -# The tcl format for a "dataset" is a list of two elements: -# -# * A list of the column names. -# * A list of data rows. Each row is itself a list, where each element is -# the contents of a column of the row. Each of these is a list of two -# elements, the type name and the actual value. -# -# For example, the contents of table [t1] as a dataset is: -# -# CREATE TABLE t1(a, b); -# INSERT INTO t1 VALUES('abc', NULL); -# INSERT INTO t1 VALUES(43.1, 22); -# -# {a b} {{{TEXT abc} {NULL {}}} {{REAL 43.1} {INTEGER 22}}} -# -# The [te_read_tbl] command returns a dataset read from a table. The -# [te_read_sql] returns the dataset that results from executing a SELECT -# command. -# -# -# te_tbljoin ?SWITCHES? LHS-TABLE RHS-TABLE -# te_join ?SWITCHES? LHS-DATASET RHS-DATASET -# -# This command joins the two datasets and returns the resulting dataset. If -# there are no switches specified, then the results is the cartesian product -# of the two inputs. The [te_tbljoin] command reads the left and right-hand -# datasets from the specified tables. The [te_join] command is passed the -# datasets directly. -# -# Optional switches are as follows: -# -# -on SCRIPT -# -using COLUMN-LIST -# -left -# -# The -on option specifies a tcl script that is executed for each row in the -# cartesian product of the two datasets. The script has 4 arguments appended -# to it, in the following order: -# -# * The list of column-names from the left-hand dataset. -# * A single row from the left-hand dataset (one "data row" list as -# described above. -# * The list of column-names from the right-hand dataset. -# * A single row from the right-hand dataset. -# -# The script must return a boolean value - true if the combination of rows -# should be included in the output dataset, or false otherwise. -# -# The -using option specifies a list of the columns from the right-hand -# dataset that should be omitted from the output dataset. -# -# If the -left option is present, the join is done LEFT JOIN style. -# Specifically, an extra row is inserted if after the -on script is run there -# exist rows in the left-hand dataset that have no corresponding rows in -# the output. See the implementation for more specific comments. -# -# -# te_equals ?SWITCHES? COLNAME1 COLNAME2 <-on script args> -# -# The only supported switch is "-nocase". If it is present, then text values -# are compared in a case-independent fashion. Otherwise, they are compared -# as if using the SQLite BINARY collation sequence. -# -# -# te_and ONSCRIPT1 ONSCRIPT2... -# -# - - -# -# te_read_tbl DB TABLENAME -# te_read_sql DB SELECT-STATEMENT -# -# These two procs are used to extract datasets from the database, either -# by reading the contents of a named table (te_read_tbl), or by executing -# a SELECT statement (t3_read_sql). -# -# See the comment above, describing "te_* commands", for details of the -# return values. -# -proc te_read_tbl {db tbl} { - te_read_sql $db "SELECT * FROM '$tbl'" -} -proc te_read_sql {db sql} { - set S [sqlite3_prepare_v2 $db $sql -1 DUMMY] - - set cols [list] - for {set i 0} {$i < [sqlite3_column_count $S]} {incr i} { - lappend cols [sqlite3_column_name $S $i] - } - - set rows [list] - while {[sqlite3_step $S] == "SQLITE_ROW"} { - set r [list] - for {set i 0} {$i < [sqlite3_column_count $S]} {incr i} { - lappend r [list [sqlite3_column_type $S $i] [sqlite3_column_text $S $i]] - } - lappend rows $r - } - sqlite3_finalize $S - - return [list $cols $rows] -} - -#------- -# Usage: te_join <table-data1> <table-data2> <join spec>... -# -# Where a join-spec is an optional list of arguments as follows: -# -# ?-left? -# ?-using colname-list? -# ?-on on-expr-proc? -# -proc te_join {data1 data2 args} { - - set testproc "" - set usinglist [list] - set isleft 0 - for {set i 0} {$i < [llength $args]} {incr i} { - set a [lindex $args $i] - switch -- $a { - -on { set testproc [lindex $args [incr i]] } - -using { set usinglist [lindex $args [incr i]] } - -left { set isleft 1 } - default { - error "Unknown argument: $a" - } - } - } - - set c1 [lindex $data1 0] - set c2 [lindex $data2 0] - set omitlist [list] - set nullrowlist [list] - set cret $c1 - - set cidx 0 - foreach col $c2 { - set idx [lsearch $usinglist $col] - if {$idx>=0} {lappend omitlist $cidx} - if {$idx<0} { - lappend nullrowlist {NULL {}} - lappend cret $col - } - incr cidx - } - set omitlist [lsort -integer -decreasing $omitlist] - - - set rret [list] - foreach r1 [lindex $data1 1] { - set one 0 - foreach r2 [lindex $data2 1] { - set ok 1 - if {$testproc != ""} { - set ok [eval $testproc [list $c1 $r1 $c2 $r2]] - } - if {$ok} { - set one 1 - foreach idx $omitlist {set r2 [lreplace $r2 $idx $idx]} - lappend rret [concat $r1 $r2] - } - } - - if {$isleft && $one==0} { - lappend rret [concat $r1 $nullrowlist] - } - } - - list $cret $rret -} - -proc te_tbljoin {db t1 t2 args} { - te_join [te_read_tbl $db $t1] [te_read_tbl $db $t2] {*}$args -} - -proc te_apply_affinity {affinity typevar valvar} { - upvar $typevar type - upvar $valvar val - - switch -- $affinity { - integer { - if {[string is double $val]} { set type REAL } - if {[string is wideinteger $val]} { set type INTEGER } - if {$type == "REAL" && int($val)==$val} { - set type INTEGER - set val [expr {int($val)}] - } - } - text { - set type TEXT - } - none { } - - default { error "invalid affinity: $affinity" } - } -} - -#---------- -# te_equals ?SWITCHES? c1 c2 cols1 row1 cols2 row2 -# -proc te_equals {args} { - - if {[llength $args]<6} {error "invalid arguments to te_equals"} - foreach {c1 c2 cols1 row1 cols2 row2} [lrange $args end-5 end] break - - set nocase 0 - set affinity none - - for {set i 0} {$i < ([llength $args]-6)} {incr i} { - set a [lindex $args $i] - switch -- $a { - -nocase { - set nocase 1 - } - -affinity { - set affinity [string tolower [lindex $args [incr i]]] - } - default { - error "invalid arguments to te_equals" - } - } - } - - set idx2 [if {[string is integer $c2]} { set c2 } else { lsearch $cols2 $c2 }] - set idx1 [if {[string is integer $c1]} { set c1 } else { lsearch $cols1 $c1 }] - - set t1 [lindex $row1 $idx1 0] - set t2 [lindex $row2 $idx2 0] - set v1 [lindex $row1 $idx1 1] - set v2 [lindex $row2 $idx2 1] - - te_apply_affinity $affinity t1 v1 - te_apply_affinity $affinity t2 v2 - - if {$t1 == "NULL" || $t2 == "NULL"} { return 0 } - if {$nocase && $t1 == "TEXT"} { set v1 [string tolower $v1] } - if {$nocase && $t2 == "TEXT"} { set v2 [string tolower $v2] } - - - set res [expr {$t1 == $t2 && [string equal $v1 $v2]}] - return $res -} - -proc te_false {args} { return 0 } -proc te_true {args} { return 1 } - -proc te_and {args} { - foreach a [lrange $args 0 end-4] { - set res [eval $a [lrange $args end-3 end]] - if {$res == 0} {return 0} - } - return 1 -} - - -proc te_dataset_eq {testname got expected} { - uplevel #0 [list do_test $testname [list set {} $got] $expected] -} -proc te_dataset_eq_unordered {testname got expected} { - lset got 1 [lsort [lindex $got 1]] - lset expected 1 [lsort [lindex $expected 1]] - te_dataset_eq $testname $got $expected -} - -proc te_dataset_ne {testname got unexpected} { - uplevel #0 [list do_test $testname [list string equal $got $unexpected] 0] -} -proc te_dataset_ne_unordered {testname got unexpected} { - lset got 1 [lsort [lindex $got 1]] - lset unexpected 1 [lsort [lindex $unexpected 1]] - te_dataset_ne $testname $got $unexpected -} - - -#------------------------------------------------------------------------- -# -proc test_join {tn sqljoin tbljoinargs} { - set sql [te_read_sql db "SELECT * FROM $sqljoin"] - set te [te_tbljoin db {*}$tbljoinargs] - te_dataset_eq_unordered $tn $sql $te -} - -drop_all_tables -do_execsql_test e_select-2.0 { - CREATE TABLE t1(a, b); - CREATE TABLE t2(a, b); - CREATE TABLE t3(b COLLATE nocase); - - INSERT INTO t1 VALUES(2, 'B'); - INSERT INTO t1 VALUES(1, 'A'); - INSERT INTO t1 VALUES(4, 'D'); - INSERT INTO t1 VALUES(NULL, NULL); - INSERT INTO t1 VALUES(3, NULL); - - INSERT INTO t2 VALUES(1, 'A'); - INSERT INTO t2 VALUES(2, NULL); - INSERT INTO t2 VALUES(5, 'E'); - INSERT INTO t2 VALUES(NULL, NULL); - INSERT INTO t2 VALUES(3, 'C'); - - INSERT INTO t3 VALUES('a'); - INSERT INTO t3 VALUES('c'); - INSERT INTO t3 VALUES('b'); -} {} - -foreach {tn indexes} { - e_select-2.1.1 { } - e_select-2.1.2 { CREATE INDEX i1 ON t1(a) } - e_select-2.1.3 { CREATE INDEX i1 ON t2(a) } - e_select-2.1.4 { CREATE INDEX i1 ON t3(b) } -} { - - catchsql { DROP INDEX i1 } - catchsql { DROP INDEX i2 } - catchsql { DROP INDEX i3 } - execsql $indexes - - # EVIDENCE-OF: R-46122-14930 If the join-op is "CROSS JOIN", "INNER - # JOIN", "JOIN" or a comma (",") and there is no ON or USING clause, - # then the result of the join is simply the cartesian product of the - # left and right-hand datasets. - # - # EVIDENCE-OF: R-46256-57243 There is no difference between the "INNER - # JOIN", "JOIN" and "," join operators. - # - # EVIDENCE-OF: R-07544-24155 The "CROSS JOIN" join operator produces the - # same data as the "INNER JOIN", "JOIN" and "," operators - # - test_join $tn.1.1 "t1, t2" {t1 t2} - test_join $tn.1.2 "t1 INNER JOIN t2" {t1 t2} - test_join $tn.1.3 "t1 CROSS JOIN t2" {t1 t2} - test_join $tn.1.4 "t1 JOIN t2" {t1 t2} - test_join $tn.1.5 "t2, t3" {t2 t3} - test_join $tn.1.6 "t2 INNER JOIN t3" {t2 t3} - test_join $tn.1.7 "t2 CROSS JOIN t3" {t2 t3} - test_join $tn.1.8 "t2 JOIN t3" {t2 t3} - test_join $tn.1.9 "t2, t2 AS x" {t2 t2} - test_join $tn.1.10 "t2 INNER JOIN t2 AS x" {t2 t2} - test_join $tn.1.11 "t2 CROSS JOIN t2 AS x" {t2 t2} - test_join $tn.1.12 "t2 JOIN t2 AS x" {t2 t2} - - # EVIDENCE-OF: R-22775-56496 If there is an ON clause specified, then - # the ON expression is evaluated for each row of the cartesian product - # as a boolean expression. All rows for which the expression evaluates - # to false are excluded from the dataset. - # - test_join $tn.2.1 "t1, t2 ON (t1.a=t2.a)" {t1 t2 -on {te_equals a a}} - test_join $tn.2.2 "t2, t1 ON (t1.a=t2.a)" {t2 t1 -on {te_equals a a}} - test_join $tn.2.3 "t2, t1 ON (1)" {t2 t1 -on te_true} - test_join $tn.2.4 "t2, t1 ON (NULL)" {t2 t1 -on te_false} - test_join $tn.2.5 "t2, t1 ON (1.1-1.1)" {t2 t1 -on te_false} - test_join $tn.2.6 "t1, t2 ON (1.1-1.0)" {t1 t2 -on te_true} - - - test_join $tn.3 "t1 LEFT JOIN t2 ON (t1.a=t2.a)" {t1 t2 -left -on {te_equals a a}} - test_join $tn.4 "t1 LEFT JOIN t2 USING (a)" { - t1 t2 -left -using a -on {te_equals a a} - } - test_join $tn.5 "t1 CROSS JOIN t2 USING(b, a)" { - t1 t2 -using {a b} -on {te_and {te_equals a a} {te_equals b b}} - } - test_join $tn.6 "t1 NATURAL JOIN t2" { - t1 t2 -using {a b} -on {te_and {te_equals a a} {te_equals b b}} - } - test_join $tn.7 "t1 NATURAL INNER JOIN t2" { - t1 t2 -using {a b} -on {te_and {te_equals a a} {te_equals b b}} - } - test_join $tn.8 "t1 NATURAL CROSS JOIN t2" { - t1 t2 -using {a b} -on {te_and {te_equals a a} {te_equals b b}} - } - test_join $tn.9 "t1 NATURAL INNER JOIN t2" { - t1 t2 -using {a b} -on {te_and {te_equals a a} {te_equals b b}} - } - test_join $tn.10 "t1 NATURAL LEFT JOIN t2" { - t1 t2 -left -using {a b} -on {te_and {te_equals a a} {te_equals b b}} - } - test_join $tn.11 "t1 NATURAL LEFT OUTER JOIN t2" { - t1 t2 -left -using {a b} -on {te_and {te_equals a a} {te_equals b b}} - } - test_join $tn.12 "t2 NATURAL JOIN t1" { - t2 t1 -using {a b} -on {te_and {te_equals a a} {te_equals b b}} - } - test_join $tn.13 "t2 NATURAL INNER JOIN t1" { - t2 t1 -using {a b} -on {te_and {te_equals a a} {te_equals b b}} - } - test_join $tn.14 "t2 NATURAL CROSS JOIN t1" { - t2 t1 -using {a b} -on {te_and {te_equals a a} {te_equals b b}} - } - test_join $tn.15 "t2 NATURAL INNER JOIN t1" { - t2 t1 -using {a b} -on {te_and {te_equals a a} {te_equals b b}} - } - test_join $tn.16 "t2 NATURAL LEFT JOIN t1" { - t2 t1 -left -using {a b} -on {te_and {te_equals a a} {te_equals b b}} - } - test_join $tn.17 "t2 NATURAL LEFT OUTER JOIN t1" { - t2 t1 -left -using {a b} -on {te_and {te_equals a a} {te_equals b b}} - } - test_join $tn.18 "t1 LEFT JOIN t2 USING (b)" { - t1 t2 -left -using b -on {te_equals b b} - } - test_join $tn.19 "t1 JOIN t3 USING(b)" {t1 t3 -using b -on {te_equals b b}} - test_join $tn.20 "t3 JOIN t1 USING(b)" { - t3 t1 -using b -on {te_equals -nocase b b} - } - test_join $tn.21 "t1 NATURAL JOIN t3" { - t1 t3 -using b -on {te_equals b b} - } - test_join $tn.22 "t3 NATURAL JOIN t1" { - t3 t1 -using b -on {te_equals -nocase b b} - } - test_join $tn.23 "t1 NATURAL LEFT JOIN t3" { - t1 t3 -left -using b -on {te_equals b b} - } - test_join $tn.24 "t3 NATURAL LEFT JOIN t1" { - t3 t1 -left -using b -on {te_equals -nocase b b} - } - test_join $tn.25 "t1 LEFT JOIN t3 ON (t3.b=t1.b)" { - t1 t3 -left -on {te_equals -nocase b b} - } - test_join $tn.26 "t1 LEFT JOIN t3 ON (t1.b=t3.b)" { - t1 t3 -left -on {te_equals b b} - } - test_join $tn.27 "t1 JOIN t3 ON (t1.b=t3.b)" { t1 t3 -on {te_equals b b} } - - # EVIDENCE-OF: R-28760-53843 When more than two tables are joined - # together as part of a FROM clause, the join operations are processed - # in order from left to right. In other words, the FROM clause (A - # join-op-1 B join-op-2 C) is computed as ((A join-op-1 B) join-op-2 C). - # - # Tests 28a and 28b show that the statement above is true for this case. - # Test 28c shows that if the parenthesis force a different order of - # evaluation the result is different. Test 28d verifies that the result - # of the query with the parenthesis forcing a different order of evaluation - # is as calculated by the [te_*] procs. - # - set t3_natural_left_join_t2 [ - te_tbljoin db t3 t2 -left -using {b} -on {te_equals -nocase b b} - ] - set t1 [te_read_tbl db t1] - te_dataset_eq_unordered $tn.28a [ - te_read_sql db "SELECT * FROM t3 NATURAL LEFT JOIN t2 NATURAL JOIN t1" - ] [te_join $t3_natural_left_join_t2 $t1 \ - -using {a b} -on {te_and {te_equals a a} {te_equals -nocase b b}} \ - ] - - te_dataset_eq_unordered $tn.28b [ - te_read_sql db "SELECT * FROM (t3 NATURAL LEFT JOIN t2) NATURAL JOIN t1" - ] [te_join $t3_natural_left_join_t2 $t1 \ - -using {a b} -on {te_and {te_equals a a} {te_equals -nocase b b}} \ - ] - - te_dataset_ne_unordered $tn.28c [ - te_read_sql db "SELECT * FROM (t3 NATURAL LEFT JOIN t2) NATURAL JOIN t1" - ] [ - te_read_sql db "SELECT * FROM t3 NATURAL LEFT JOIN (t2 NATURAL JOIN t1)" - ] - - set t2_natural_join_t1 [te_tbljoin db t2 t1 -using {a b} \ - -using {a b} -on {te_and {te_equals a a} {te_equals -nocase b b}} \ - ] - set t3 [te_read_tbl db t3] - te_dataset_eq_unordered $tn.28d [ - te_read_sql db "SELECT * FROM t3 NATURAL LEFT JOIN (t2 NATURAL JOIN t1)" - ] [te_join $t3 $t2_natural_join_t1 \ - -left -using {b} -on {te_equals -nocase b b} \ - ] -} - -do_execsql_test e_select-2.2.0 { - CREATE TABLE t4(x TEXT COLLATE nocase); - CREATE TABLE t5(y INTEGER, z TEXT COLLATE binary); - - INSERT INTO t4 VALUES('2.0'); - INSERT INTO t4 VALUES('TWO'); - INSERT INTO t5 VALUES(2, 'two'); -} {} - -# EVIDENCE-OF: R-55824-40976 A sub-select specified in the join-source -# following the FROM clause in a simple SELECT statement is handled as -# if it was a table containing the data returned by executing the -# sub-select statement. -# -# EVIDENCE-OF: R-42612-06757 Each column of the sub-select dataset -# inherits the collation sequence and affinity of the corresponding -# expression in the sub-select statement. -# -foreach {tn subselect select spec} { - 1 "SELECT * FROM t2" "SELECT * FROM t1 JOIN %ss%" - {t1 %ss%} - - 2 "SELECT * FROM t2" "SELECT * FROM t1 JOIN %ss% AS x ON (t1.a=x.a)" - {t1 %ss% -on {te_equals 0 0}} - - 3 "SELECT * FROM t2" "SELECT * FROM %ss% AS x JOIN t1 ON (t1.a=x.a)" - {%ss% t1 -on {te_equals 0 0}} - - 4 "SELECT * FROM t1, t2" "SELECT * FROM %ss% AS x JOIN t3" - {%ss% t3} - - 5 "SELECT * FROM t1, t2" "SELECT * FROM %ss% NATURAL JOIN t3" - {%ss% t3 -using b -on {te_equals 1 0}} - - 6 "SELECT * FROM t1, t2" "SELECT * FROM t3 NATURAL JOIN %ss%" - {t3 %ss% -using b -on {te_equals -nocase 0 1}} - - 7 "SELECT * FROM t1, t2" "SELECT * FROM t3 NATURAL LEFT JOIN %ss%" - {t3 %ss% -left -using b -on {te_equals -nocase 0 1}} - - 8 "SELECT count(*) AS y FROM t4" "SELECT * FROM t5, %ss% USING (y)" - {t5 %ss% -using y -on {te_equals -affinity text 0 0}} - - 9 "SELECT count(*) AS y FROM t4" "SELECT * FROM %ss%, t5 USING (y)" - {%ss% t5 -using y -on {te_equals -affinity text 0 0}} - - 10 "SELECT x AS y FROM t4" "SELECT * FROM %ss% JOIN t5 USING (y)" - {%ss% t5 -using y -on {te_equals -nocase -affinity integer 0 0}} - - 11 "SELECT x AS y FROM t4" "SELECT * FROM t5 JOIN %ss% USING (y)" - {t5 %ss% -using y -on {te_equals -nocase -affinity integer 0 0}} - - 12 "SELECT y AS x FROM t5" "SELECT * FROM %ss% JOIN t4 USING (x)" - {%ss% t4 -using x -on {te_equals -nocase -affinity integer 0 0}} - - 13 "SELECT y AS x FROM t5" "SELECT * FROM t4 JOIN %ss% USING (x)" - {t4 %ss% -using x -on {te_equals -nocase -affinity integer 0 0}} - - 14 "SELECT +y AS x FROM t5" "SELECT * FROM %ss% JOIN t4 USING (x)" - {%ss% t4 -using x -on {te_equals -nocase -affinity text 0 0}} - - 15 "SELECT +y AS x FROM t5" "SELECT * FROM t4 JOIN %ss% USING (x)" - {t4 %ss% -using x -on {te_equals -nocase -affinity text 0 0}} -} { - - # Create a temporary table named %ss% containing the data returned by - # the sub-select. Then have the [te_tbljoin] proc use this table to - # compute the expected results of the $select query. Drop the temporary - # table before continuing. - # - execsql "CREATE TEMP TABLE '%ss%' AS $subselect" - set te [eval te_tbljoin db $spec] - execsql "DROP TABLE '%ss%'" - - # Check that the actual data returned by the $select query is the same - # as the expected data calculated using [te_tbljoin] above. - # - te_dataset_eq_unordered e_select-2.2.1.$tn [ - te_read_sql db [string map [list %ss% "($subselect)"] $select] - ] $te -} - -finish_test |