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-rw-r--r--mysql-test/r/analyze_stmt.result199
-rw-r--r--mysql-test/r/ps.result1
-rw-r--r--mysql-test/r/show_explain.result2
-rw-r--r--mysql-test/t/analyze_stmt.test148
-rw-r--r--mysql-test/t/ps.test1
5 files changed, 350 insertions, 1 deletions
diff --git a/mysql-test/r/analyze_stmt.result b/mysql-test/r/analyze_stmt.result
new file mode 100644
index 00000000000..41fdce43807
--- /dev/null
+++ b/mysql-test/r/analyze_stmt.result
@@ -0,0 +1,199 @@
+drop table if exists t0,t1,t2,t3;
+create table t0 (a int) engine=myisam;
+INSERT INTO t0 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t1 (a int) engine=myisam;
+INSERT INTO t1 select * from t0;
+# Try a few basic selects to see that r_rows and r_filtered columns work
+analyze select * from t1;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 SIMPLE t1 ALL NULL NULL NULL NULL 10 10 100.00 100.00
+analyze select * from t1 where a<5;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 SIMPLE t1 ALL NULL NULL NULL NULL 10 10 100.00 50.00 Using where
+analyze select * from t1 where a>100;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 SIMPLE t1 ALL NULL NULL NULL NULL 10 10 100.00 0.00 Using where
+# ANALYZE DELETE will delete rows:
+analyze delete from t1 where a in (2,3,4);
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 SIMPLE t1 ALL NULL NULL NULL NULL 10 NULL 100.00 30.00 Using where
+select * from t1;
+a
+0
+1
+5
+6
+7
+8
+9
+drop table t1;
+# ANALYZE UPDATE will make updates:
+create table t1(a int, b int);
+insert into t1 select a,a from t0;
+analyze update t1 set b=100+b where a in (6,7,8);
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 SIMPLE t1 ALL NULL NULL NULL NULL 10 NULL 100.00 30.00 Using where
+select * from t1;
+a b
+0 0
+1 1
+2 2
+3 3
+4 4
+5 5
+6 106
+7 107
+8 108
+9 9
+drop table t1;
+# Check that UNION works
+create table t1(a int, b int);
+insert into t1 select a,a from t0;
+analyze (select * from t1 A where a<5) union (select * from t1 B where a in (5,6));
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 PRIMARY A ALL NULL NULL NULL NULL 10 10 100.00 50.00 Using where
+2 UNION B ALL NULL NULL NULL NULL 10 10 100.00 20.00 Using where
+NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL 7 NULL NULL
+analyze (select * from t1 A where a<5) union (select * from t1 B where a in (1,2));
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 PRIMARY A ALL NULL NULL NULL NULL 10 10 100.00 50.00 Using where
+2 UNION B ALL NULL NULL NULL NULL 10 10 100.00 20.00 Using where
+NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL 5 NULL NULL
+drop table t1;
+drop table t0;
+#
+# Try a subquery.
+#
+create table t0 (a int, b int);
+insert into t0 values
+(0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
+create table t1 (a int, b int);
+insert into t1 values (1,1),(2,2),(3,3);
+# See .test file for the right values of r_rows and r_filtered.
+analyze select a, a in (select t0.b from t0 where t0.b+1=t1.b+1) from t1;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 PRIMARY t1 ALL NULL NULL NULL NULL 3 3 100.00 100.00
+2 DEPENDENT SUBQUERY t0 ALL NULL NULL NULL NULL 10 3 100.00 33.33 Using where
+# Try a subquery that is never executed
+analyze select a, a in (select t0.b from t0 where t0.b+1=t1.b+1) from t1 where t1.a > 5;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 PRIMARY t1 ALL NULL NULL NULL NULL 3 3 100.00 0.00 Using where
+2 DEPENDENT SUBQUERY t0 ALL NULL NULL NULL NULL 10 NULL 100.00 NULL Using where
+drop table t0, t1;
+#
+# Tests for join buffering
+#
+create table t0 (a int, b int);
+insert into t0 values
+(0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
+create table t1 like t0;
+insert into t1 select * from t0;
+explain select * from t0, t1 where t0.a<5 and t1.a<5;
+id select_type table type possible_keys key key_len ref rows Extra
+1 SIMPLE t0 ALL NULL NULL NULL NULL 10 Using where
+1 SIMPLE t1 ALL NULL NULL NULL NULL 10 Using where; Using join buffer (flat, BNL join)
+# These should have filtered=50
+analyze select * from t0, t1 where t0.a<5 and t1.a<5;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 SIMPLE t0 ALL NULL NULL NULL NULL 10 10 100.00 50.00 Using where
+1 SIMPLE t1 ALL NULL NULL NULL NULL 10 10 100.00 50.00 Using where; Using join buffer (flat, BNL join)
+explain select * from t0, t1 where t0.a<5 and t1.b=t0.b;
+id select_type table type possible_keys key key_len ref rows Extra
+1 SIMPLE t0 ALL NULL NULL NULL NULL 10 Using where
+1 SIMPLE t1 ALL NULL NULL NULL NULL 10 Using where; Using join buffer (flat, BNL join)
+# Now, t1 should have filtered=10
+analyze select * from t0, t1 where t0.a<5 and t1.b=t0.b;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 SIMPLE t0 ALL NULL NULL NULL NULL 10 10 100.00 50.00 Using where
+1 SIMPLE t1 ALL NULL NULL NULL NULL 10 10 100.00 10.00 Using where; Using join buffer (flat, BNL join)
+explain select * from t0, t1 where t0.a<5 and t1.a<5 and t1.b=t0.b;
+id select_type table type possible_keys key key_len ref rows Extra
+1 SIMPLE t0 ALL NULL NULL NULL NULL 10 Using where
+1 SIMPLE t1 ALL NULL NULL NULL NULL 10 Using where; Using join buffer (flat, BNL join)
+# Now, t1 should have filtered=10
+analyze select * from t0, t1 where t0.a<5 and t1.a<5 and t1.b=t0.b;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 SIMPLE t0 ALL NULL NULL NULL NULL 10 10 100.00 50.00 Using where
+1 SIMPLE t1 ALL NULL NULL NULL NULL 10 10 100.00 10.00 Using where; Using join buffer (flat, BNL join)
+# TODO: Check what is counted for "range checked for each record".
+#
+# Test for joins
+#
+create table t2 (key1 int, key2x int, col1 int, key(key1), key(key2x));
+insert into t2 select A.a + 10 *B.a +100 * C.a,
+(A.a + 10 *B.a +100 * C.a)*2,
+A.a + 10 *B.a +100 * C.a
+from t0 A, t0 B, t0 C;
+# This always has matches, filtered=100%.
+analyze select * from t1,t2 where t2.key1=t1.a;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 SIMPLE t1 ALL NULL NULL NULL NULL 10 10 100.00 100.00 Using where
+1 SIMPLE t2 ref key1 key1 5 test.t1.a 1 1 100.00 100.00
+# This shows r_rows=0. It is actually 0.5 (should r_rows be changed to double?)
+analyze select * from t1,t2 where t2.key2x=t1.a;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 SIMPLE t1 ALL NULL NULL NULL NULL 10 10 100.00 100.00 Using where
+1 SIMPLE t2 ref key2x key2x 5 test.t1.a 1 0 100.00 100.00
+select * from t1,t2 where t2.key2x=t1.a;
+a b key1 key2x col1
+0 0 0 0 0
+2 2 1 2 1
+4 4 2 4 2
+6 6 3 6 3
+8 8 4 8 4
+# This has t2.filtered=40% (there are 5 values: {0,1,2,3,4}. two of them have mod=0)
+analyze select * from t1,t2 where t2.key2x=t1.a and mod(t2.col1,4)=0;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 SIMPLE t1 ALL NULL NULL NULL NULL 10 10 100.00 100.00 Using where
+1 SIMPLE t2 ref key2x key2x 5 test.t1.a 1 0 100.00 40.00 Using where
+drop table t0,t1,t2;
+#
+# Check non-merged derived tables
+#
+create table t0 (a int, b int);
+insert into t0 values
+(0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
+update t0 set b=b/3;
+analyze select * from (select count(*),max(a),b from t0 group by b) T;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 PRIMARY <derived2> ALL NULL NULL NULL NULL 10 4 100.00 100.00
+2 DERIVED t0 ALL NULL NULL NULL NULL 10 10 100.00 100.00 Using temporary; Using filesort
+drop table t0;
+#
+# Check ORDER/GROUP BY
+#
+create table t0 (a int, b int);
+insert into t0 values
+(0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
+analyze select count(*),max(a),b from t0 where a<7 group by b;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 SIMPLE t0 ALL NULL NULL NULL NULL 10 10 100.00 70.00 Using where; Using temporary; Using filesort
+drop table t0;
+#
+# Check multi-table UPDATE/DELETE.
+#
+create table t0 (a int, b int);
+create table t1 (a int, b int);
+insert into t0 values (0,0),(2,2),(4,4), (8,8);
+insert into t1 values (0,0),(2,2), (6,6);
+analyze select * from t0,t1 where t0.a=t1.a;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 SIMPLE t1 ALL NULL NULL NULL NULL 3 3 100.00 100.00
+1 SIMPLE t0 ALL NULL NULL NULL NULL 4 4 100.00 16.67 Using where; Using join buffer (flat, BNL join)
+analyze update t0,t1 set t1.b=5555 where t0.a=t1.a;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 SIMPLE t1 ALL NULL NULL NULL NULL 3 3 100.00 100.00
+1 SIMPLE t0 ALL NULL NULL NULL NULL 4 4 100.00 16.67 Using where
+select * from t1;
+a b
+0 5555
+2 5555
+6 6
+analyze delete t1 from t1, t0 where t0.a=t1.a;
+id select_type table type possible_keys key key_len ref rows r_rows filtered r_filtered Extra
+1 SIMPLE t1 ALL NULL NULL NULL NULL 3 3 100.00 100.00
+1 SIMPLE t0 ALL NULL NULL NULL NULL 4 4 100.00 16.67 Using where
+select * from t1;
+a b
+6 6
+drop table t0, t1;
diff --git a/mysql-test/r/ps.result b/mysql-test/r/ps.result
index 31fcea528aa..3217a10ed6d 100644
--- a/mysql-test/r/ps.result
+++ b/mysql-test/r/ps.result
@@ -1,5 +1,6 @@
call mtr.add_suppression('Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT.');
drop table if exists t1,t2,t3,t4;
+drop database if exists mysqltest1;
drop database if exists client_test_db;
create table t1
(
diff --git a/mysql-test/r/show_explain.result b/mysql-test/r/show_explain.result
index a4d12ce05ce..3695384bac4 100644
--- a/mysql-test/r/show_explain.result
+++ b/mysql-test/r/show_explain.result
@@ -641,7 +641,7 @@ set debug_dbug='+d,show_explain_probe_join_exec_start';
SHOW INDEX FROM t1;
show explain for $thr2;
id select_type table type possible_keys key key_len ref rows Extra
-1 SIMPLE STATISTICS ALL NULL NULL NULL NULL NULL Skip_open_table; Scanned all databases
+1 SIMPLE STATISTICS ALL NULL TABLE_SCHEMA,TABLE_NAME NULL NULL NULL Open_full_table; Scanned 0 databases
Warnings:
Note 1003 SHOW INDEX FROM t1
Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment Index_comment
diff --git a/mysql-test/t/analyze_stmt.test b/mysql-test/t/analyze_stmt.test
new file mode 100644
index 00000000000..2f9de4a3763
--- /dev/null
+++ b/mysql-test/t/analyze_stmt.test
@@ -0,0 +1,148 @@
+#
+# Tests for "ANALYZE $statement" feature (PostgreSQL's analog is called EXPLAIN ANALYZE)
+#
+--disable_warnings
+drop table if exists t0,t1,t2,t3;
+--enable_warnings
+
+create table t0 (a int) engine=myisam;
+INSERT INTO t0 VALUES (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+
+create table t1 (a int) engine=myisam;
+INSERT INTO t1 select * from t0;
+
+--echo # Try a few basic selects to see that r_rows and r_filtered columns work
+analyze select * from t1;
+analyze select * from t1 where a<5;
+analyze select * from t1 where a>100;
+
+--echo # ANALYZE DELETE will delete rows:
+analyze delete from t1 where a in (2,3,4);
+select * from t1;
+drop table t1;
+
+--echo # ANALYZE UPDATE will make updates:
+create table t1(a int, b int);
+insert into t1 select a,a from t0;
+analyze update t1 set b=100+b where a in (6,7,8);
+select * from t1;
+drop table t1;
+
+--echo # Check that UNION works
+create table t1(a int, b int);
+insert into t1 select a,a from t0;
+analyze (select * from t1 A where a<5) union (select * from t1 B where a in (5,6));
+analyze (select * from t1 A where a<5) union (select * from t1 B where a in (1,2));
+drop table t1;
+drop table t0;
+
+--echo #
+--echo # Try a subquery.
+--echo #
+create table t0 (a int, b int);
+insert into t0 values
+ (0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
+
+create table t1 (a int, b int);
+insert into t1 values (1,1),(2,2),(3,3);
+
+#
+# t1 t0
+# a=1 (0,1) 2 rows
+# a=2 (0,1,2) 3 rows
+# a=3 (0,1,2,3) 4 rows
+#
+# TOTAL TOTAL= 9 rows. 3 executions, avg=3 rows.
+# WHERE is satisfied for 1 row per query, which gives filtered=33.3
+
+--echo # See .test file for the right values of r_rows and r_filtered.
+analyze select a, a in (select t0.b from t0 where t0.b+1=t1.b+1) from t1;
+
+--echo # Try a subquery that is never executed
+analyze select a, a in (select t0.b from t0 where t0.b+1=t1.b+1) from t1 where t1.a > 5;
+
+drop table t0, t1;
+
+--echo #
+--echo # Tests for join buffering
+--echo #
+create table t0 (a int, b int);
+insert into t0 values
+ (0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
+create table t1 like t0;
+insert into t1 select * from t0;
+
+explain select * from t0, t1 where t0.a<5 and t1.a<5;
+--echo # These should have filtered=50
+analyze select * from t0, t1 where t0.a<5 and t1.a<5;
+
+explain select * from t0, t1 where t0.a<5 and t1.b=t0.b;
+--echo # Now, t1 should have filtered=10
+analyze select * from t0, t1 where t0.a<5 and t1.b=t0.b;
+
+explain select * from t0, t1 where t0.a<5 and t1.a<5 and t1.b=t0.b;
+--echo # Now, t1 should have filtered=10
+analyze select * from t0, t1 where t0.a<5 and t1.a<5 and t1.b=t0.b;
+
+--echo # TODO: Check what is counted for "range checked for each record".
+
+--echo #
+--echo # Test for joins
+--echo #
+create table t2 (key1 int, key2x int, col1 int, key(key1), key(key2x));
+insert into t2 select A.a + 10 *B.a +100 * C.a,
+ (A.a + 10 *B.a +100 * C.a)*2,
+ A.a + 10 *B.a +100 * C.a
+ from t0 A, t0 B, t0 C;
+
+--echo # This always has matches, filtered=100%.
+analyze select * from t1,t2 where t2.key1=t1.a;
+
+--echo # This shows r_rows=0. It is actually 0.5 (should r_rows be changed to double?)
+analyze select * from t1,t2 where t2.key2x=t1.a;
+ select * from t1,t2 where t2.key2x=t1.a;
+
+--echo # This has t2.filtered=40% (there are 5 values: {0,1,2,3,4}. two of them have mod=0)
+analyze select * from t1,t2 where t2.key2x=t1.a and mod(t2.col1,4)=0;
+
+drop table t0,t1,t2;
+
+--echo #
+--echo # Check non-merged derived tables
+--echo #
+create table t0 (a int, b int);
+insert into t0 values
+ (0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
+
+update t0 set b=b/3;
+analyze select * from (select count(*),max(a),b from t0 group by b) T;
+drop table t0;
+
+--echo #
+--echo # Check ORDER/GROUP BY
+--echo #
+create table t0 (a int, b int);
+insert into t0 values
+ (0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9);
+
+analyze select count(*),max(a),b from t0 where a<7 group by b;
+drop table t0;
+
+--echo #
+--echo # Check multi-table UPDATE/DELETE.
+--echo #
+create table t0 (a int, b int);
+create table t1 (a int, b int);
+insert into t0 values (0,0),(2,2),(4,4), (8,8);
+insert into t1 values (0,0),(2,2), (6,6);
+
+analyze select * from t0,t1 where t0.a=t1.a;
+
+analyze update t0,t1 set t1.b=5555 where t0.a=t1.a;
+select * from t1;
+
+analyze delete t1 from t1, t0 where t0.a=t1.a;
+select * from t1;
+
+drop table t0, t1;
+
diff --git a/mysql-test/t/ps.test b/mysql-test/t/ps.test
index 0233b2e428b..491594a3045 100644
--- a/mysql-test/t/ps.test
+++ b/mysql-test/t/ps.test
@@ -7,6 +7,7 @@ call mtr.add_suppression('Unsafe statement written to the binary log using state
--disable_warnings
drop table if exists t1,t2,t3,t4;
+drop database if exists mysqltest1;
# Avoid wrong warnings if mysql_client_test fails
drop database if exists client_test_db;
--enable_warnings
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