# # Basic SELECT statements # # HIGH_PRIORITY is covered in select_high_prio test # FOR UPDATE - in trx/select_for_update test # LOCK IN SHARE MODE - in trx/select_lock_in_share_mode test # index hints - in type_*_indexes tests # --source have_engine.inc --disable_warnings DROP TABLE IF EXISTS t1, t2; --enable_warnings --source create_table.inc INSERT INTO t1 (a,b) VALUES (100,'foobar'),(1,'z'),(200,'bar'); --let $table_name = t2 --source create_table.inc INSERT INTO t2 (a,b) SELECT a, b FROM t1; INSERT INTO t1 (a,b) SELECT a, b FROM t2; --sorted_result SELECT * FROM t1; # Modifiers --sorted_result SELECT DISTINCT a FROM t1; --sorted_result SELECT ALL b, a FROM t1; # Optimizer and cache directives should not have any visible effect here, # but we will add them for completness --sorted_result SELECT STRAIGHT_JOIN SQL_CACHE t1.* FROM t2, t1 WHERE t1.a <> t2.a; --sorted_result SELECT SQL_SMALL_RESULT SQL_NO_CACHE t1.a FROM t1, t2; --sorted_result SELECT SQL_BIG_RESULT SQL_CALC_FOUND_ROWS DISTINCT(t2.a) FROM t1 t1_1, t2, t1 t1_2; SELECT FOUND_ROWS(); SET GLOBAL query_cache_type = ON; SET query_cache_type = ON; --sorted_result SELECT SQL_CACHE * FROM t1, t2; SET GLOBAL query_cache_type = DEFAULT; # Combination of main clauses --sorted_result SELECT a+10 AS field1, CONCAT(b,':',b) AS field2 FROM t1 WHERE b > 'b' AND a IS NOT NULL GROUP BY 2 DESC, field1 ASC HAVING field1 < 1000 ORDER BY field2, 1 DESC, field1*2 LIMIT 5 OFFSET 1 ROWS EXAMINED 100000; # ROLLUP --sorted_result SELECT SUM(a), MAX(a), b FROM t1 GROUP BY b WITH ROLLUP; # Procedure --sorted_result SELECT * FROM t2 WHERE a>0 PROCEDURE ANALYSE(); # SELECT INTO let $datadir = `SELECT @@datadir`; --replace_result $datadir eval SELECT t1.a, t2.b FROM t2, t1 WHERE t1.a = t2.a ORDER BY t2.b, t1.a INTO OUTFILE '$datadir/select.out' CHARACTER SET utf8 FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY ''''; --cat_file $datadir/select.out --remove_file $datadir/select.out --replace_result $datadir --let $error_codes = ER_TOO_MANY_ROWS eval SELECT t1.a, t2.b FROM t2, t1 WHERE t1.a = t2.a ORDER BY t2.b, t1.a INTO DUMPFILE '$datadir/select.dump'; --source check_errors.inc --remove_file $datadir/select.dump --replace_result $datadir eval SELECT t1.*, t2.* FROM t1, t2 ORDER BY t2.b, t1.a, t2.a, t1.b LIMIT 1 INTO DUMPFILE '$datadir/select.dump'; --cat_file $datadir/select.dump --echo --remove_file $datadir/select.dump SELECT MIN(a), MAX(a) FROM t1 INTO @min, @max; SELECT @min, @max; # Joins --sorted_result SELECT t1_1.*, t2.* FROM t2, t1 AS t1_1, t1 AS t1_2 WHERE t1_1.a = t1_2.a AND t2.a = t1_1.a; --sorted_result SELECT alias1.* FROM ( SELECT a,b FROM t1 ) alias1, t2 WHERE t2.a IN (100,200); --sorted_result SELECT t1.a FROM { OJ t1 LEFT OUTER JOIN t2 ON t1.a = t2.a+10 }; --sorted_result SELECT t1.* FROM t2 INNER JOIN t1; --sorted_result SELECT t1_2.* FROM t1 t1_1 CROSS JOIN t1 t1_2 ON t1_1.b = t1_2.b; --sorted_result SELECT t1.a, t2.b FROM t2 STRAIGHT_JOIN t1 WHERE t1.b > t2.b; SELECT t1.a, t2.b FROM t2 STRAIGHT_JOIN t1 ON t1.b > t2.b ORDER BY t1.a, t2.b; SELECT t2.* FROM t1 LEFT JOIN t2 USING (a) ORDER BY t2.a, t2.b LIMIT 1; --sorted_result SELECT t2.* FROM t2 LEFT OUTER JOIN t1 ON t1.a = t2.a WHERE t1.a IS NOT NULL; SELECT SUM(t2.a) FROM t1 RIGHT JOIN t2 ON t2.b = t1.b; SELECT MIN(t2.a) FROM t1 RIGHT OUTER JOIN t2 USING (b,a); --sorted_result SELECT alias.b FROM t1 NATURAL JOIN ( SELECT a,b FROM t1 ) alias WHERE b > ''; --sorted_result SELECT t2.b FROM ( SELECT a,b FROM t1 ) alias NATURAL LEFT JOIN t2 WHERE b IS NOT NULL; --sorted_result SELECT t1.*, t2.* FROM t1 NATURAL LEFT OUTER JOIN t2; --sorted_result SELECT t2_2.* FROM t2 t2_1 NATURAL RIGHT JOIN t2 t2_2 WHERE t2_1.a IN ( SELECT a FROM t1 ); --sorted_result SELECT t1_2.b FROM t1 t1_1 NATURAL RIGHT OUTER JOIN t1 t1_2 INNER JOIN t2; # Subquery as scalar operand, subquery in the FROM clause --sorted_result SELECT ( SELECT MIN(a) FROM ( SELECT a,b FROM t1 ) alias1 ) AS min_a FROM t2; # Comparison using subqueries --sorted_result SELECT a,b FROM t2 WHERE a = ( SELECT MIN(a) FROM t1 ); --sorted_result SELECT a,b FROM t2 WHERE b LIKE ( SELECT b FROM t1 ORDER BY b LIMIT 1 ); # Subquery with IN, correlated subquery --sorted_result SELECT t2.* FROM t1 t1_outer, t2 WHERE ( t1_outer.a, t2.b ) IN ( SELECT a, b FROM t2 WHERE a = t1_outer.a ); # Subquery with ANY, ALL --sorted_result SELECT a,b FROM t2 WHERE b = ANY ( SELECT b FROM t1 WHERE a > 1 ); --sorted_result SELECT a,b FROM t2 WHERE b > ALL ( SELECT b FROM t1 WHERE b < 'foo' ); # Row subqueries --sorted_result SELECT a,b FROM t1 WHERE ROW(a, b) = ( SELECT a, b FROM t2 ORDER BY a, b LIMIT 1 ); # Subquery with EXISTS --sorted_result SELECT a,b FROM t1 WHERE EXISTS ( SELECT a,b FROM t2 WHERE t2.b > t1.b ); # Subquery in ORDER BY --sorted_result SELECT t1.* FROM t1, t2 ORDER BY ( SELECT b FROM t1 WHERE a IS NULL ORDER BY b LIMIT 1 ) DESC; # Subquery in HAVING --sorted_result SELECT a, b FROM t1 HAVING a IN ( SELECT a FROM t2 WHERE b = t1.b ); # Union --sorted_result SELECT a,b FROM t1 UNION SELECT a,b FROM t2 UNION DISTINCT SELECT a,b FROM t1; --sorted_result SELECT a,b FROM t1 UNION SELECT a,b FROM t2 UNION ALL SELECT a,b FROM t1; # Cleanup DROP TABLE t1, t2; --source cleanup_engine.inc