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-C Further\supdates\sto\sthe\ssqlite3_pcache_methods\sdocumentation,\splus\sthe\saddition\nof\sa\sfew\sevidence\smarks\srelated\sto\spcache.
-D 2010-09-09T18:25:34
+C Add\stest\scases\sto\se_select.test.
+D 2010-09-09T19:02:56
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in c599a15d268b1db2aeadea19df2adc3bf2eb6bee
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F test/e_expr.test 164e87c1d7b40ceb47c57c3bffa384c81d009aa7
F test/e_fkey.test 6721a741c6499b3ab7e5385923233343c8f1ad05
F test/e_fts3.test 75bb0aee26384ef586165e21018a17f7cd843469
-F test/e_select.test a3f2bc8bf21f189bec90008d883ae86448d291c9
+F test/e_select.test e70de931b3cd41c9f91289574d819d13ba21ae0f
F test/enc.test e54531cd6bf941ee6760be041dff19a104c7acea
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SELECT k FROM x1 NATURAL JOIN x2 WHERE x2.k-3
} {}
+#-------------------------------------------------------------------------
+# Tests below this point are focused on verifying the testable statements
+# related to caculating the result rows of a simple SELECT statement.
+#
+
+drop_all_tables
+do_execsql_test e_select-4.0 {
+ CREATE TABLE z1(a, b, c);
+ CREATE TABLE z2(d, e);
+ CREATE TABLE z3(a, b);
+
+ INSERT INTO z1 VALUES(51.65, -59.58, 'belfries');
+ INSERT INTO z1 VALUES(-5, NULL, 75);
+ INSERT INTO z1 VALUES(-2.2, -23.18, 'suiters');
+ INSERT INTO z1 VALUES(NULL, 67, 'quartets');
+ INSERT INTO z1 VALUES(-1.04, -32.3, 'aspen');
+ INSERT INTO z1 VALUES(63, 'born', -26);
+
+ INSERT INTO z2 VALUES(NULL, 21);
+ INSERT INTO z2 VALUES(36, 6);
+
+ INSERT INTO z3 VALUES('subsistence', 'gauze');
+ INSERT INTO z3 VALUES(49.17, -67);
+} {}
+
+# EVIDENCE-OF: R-36327-17224 If a result expression is the special
+# expression "*" then all columns in the input data are substituted for
+# that one expression.
+#
+# EVIDENCE-OF: R-43693-30522 If the expression is the alias of a table
+# or subquery in the FROM clause followed by ".*" then all columns from
+# the named table or subquery are substituted for the single expression.
+#
+foreach {tn select res} {
+ 1 "SELECT * FROM z1 LIMIT 1" {51.65 -59.58 belfries}
+ 2 "SELECT * FROM z1,z2 LIMIT 1" {51.65 -59.58 belfries {} 21}
+ 3 "SELECT z1.* FROM z1,z2 LIMIT 1" {51.65 -59.58 belfries}
+ 4 "SELECT z2.* FROM z1,z2 LIMIT 1" {{} 21}
+ 5 "SELECT z2.*, z1.* FROM z1,z2 LIMIT 1" {{} 21 51.65 -59.58 belfries}
+
+ 6 "SELECT count(*), * FROM z1" {6 63 born -26}
+ 7 "SELECT max(a), * FROM z1" {63 63 born -26}
+ 8 "SELECT *, min(a) FROM z1" {63 born -26 -5}
+
+ 9 "SELECT *,* FROM z1,z2 LIMIT 1" {
+ 51.65 -59.58 belfries {} 21 51.65 -59.58 belfries {} 21
+ }
+ 10 "SELECT z1.*,z1.* FROM z2,z1 LIMIT 1" {
+ 51.65 -59.58 belfries 51.65 -59.58 belfries
+ }
+} {
+ do_execsql_test e_select-4.1.$tn $select [list {*}$res]
+}
+
+# EVIDENCE-OF: R-61869-22578 It is an error to use a "*" or "alias.*"
+# expression in any context other than than a result expression list.
+#
+# EVIDENCE-OF: R-44324-41166 It is also an error to use a "*" or
+# "alias.*" expression in a simple SELECT query that does not have a
+# FROM clause.
+#
+foreach {tn select err} {
+ 1.1 "SELECT a, b, c FROM z1 WHERE *" {near "*": syntax error}
+ 1.2 "SELECT a, b, c FROM z1 GROUP BY *" {near "*": syntax error}
+ 1.3 "SELECT 1 + * FROM z1" {near "*": syntax error}
+ 1.4 "SELECT * + 1 FROM z1" {near "+": syntax error}
+
+ 2.1 "SELECT *" {no tables specified}
+ 2.2 "SELECT * WHERE 1" {no tables specified}
+ 2.3 "SELECT * WHERE 0" {no tables specified}
+ 2.4 "SELECT count(*), *" {no tables specified}
+} {
+ do_catchsql_test e_select-4.2.$tn $select [list 1 $err]
+}
+
+# EVIDENCE-OF: R-08669-22397 The number of columns in the rows returned
+# by a simple SELECT statement is equal to the number of expressions in
+# the result expression list after substitution of * and alias.*
+# expressions.
+#
+foreach {tn select nCol} {
+ 1 "SELECT * FROM z1" 3
+ 2 "SELECT * FROM z1 NATURAL JOIN z3" 3
+ 3 "SELECT z1.* FROM z1 NATURAL JOIN z3" 3
+ 4 "SELECT z3.* FROM z1 NATURAL JOIN z3" 2
+ 5 "SELECT z1.*, z3.* FROM z1 NATURAL JOIN z3" 5
+ 6 "SELECT 1, 2, z1.* FROM z1" 5
+ 7 "SELECT a, *, b, c FROM z1" 6
+} {
+ set ::stmt [sqlite3_prepare_v2 db $select -1 DUMMY]
+ do_test e_select-4.3.$tn { sqlite3_column_count $::stmt } $nCol
+ sqlite3_finalize $::stmt
+}
+
+# EVIDENCE-OF: R-44050-47362 If the SELECT statement is a non-aggregate
+# query, then each expression in the result expression list is evaluated
+# for each row in the dataset filtered by the WHERE clause.
+#
+# By other definitions in lang_select.html, a non-aggregate query is
+# any simple SELECT that has no GROUP BY clause and no aggregate expressions
+# in the result expression list.
+#
+do_execsql_test e_select-4.4.1 {
+ SELECT a, b FROM z1
+} {51.65 -59.58 -5 {} -2.2 -23.18 {} 67 -1.04 -32.3 63 born}
+
+do_execsql_test e_select-4.4.2 {
+ SELECT a IS NULL, b+1, * FROM z1
+} [list {*}{
+ 0 -58.58 51.65 -59.58 belfries
+ 0 {} -5 {} 75
+ 0 -22.18 -2.2 -23.18 suiters
+ 1 68 {} 67 quartets
+ 0 -31.3 -1.04 -32.3 aspen
+ 0 1 63 born -26
+}]
+
+do_execsql_test e_select-4.4.3 {
+ SELECT 32*32, d||e FROM z2
+} {1024 {} 1024 366}
+
+# EVIDENCE-OF: R-57629-25253 If the SELECT statement is an aggregate
+# query without a GROUP BY clause, then each aggregate expression in the
+# result-set is evaluated once across the entire dataset.
+#
+foreach {tn select res} {
+ 5.1 "SELECT count(a), max(a), count(b), max(b) FROM z1" {5 63 5 born}
+ 5.2 "SELECT count(*), max(1)" {1 1}
+
+ 5.3 "SELECT sum(b+1) FROM z1 NATURAL LEFT JOIN z3" {-43.06}
+ 5.4 "SELECT sum(b+2) FROM z1 NATURAL LEFT JOIN z3" {-38.06}
+ 5.5 "SELECT sum(b IS NOT NULL) FROM z1 NATURAL LEFT JOIN z3" {5}
+} {
+ do_execsql_test e_select-4.$tn $select [list {*}$res]
+}
+
+
+
+
+
finish_test
projects / thirdparty / sqlite.git / commitdiff
