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drop table if exists t1,t2; select 1, 1.0, -1, "hello", NULL; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def 1 8 1 1 N 32897 0 63 def 1.0 246 4 3 N 32897 1 63 def -1 8 2 2 N 32897 0 63 def hello 253 5 5 N 1 31 8 def NULL 6 0 0 Y 32896 0 63 1 1.0 -1 hello NULL 1 1.0 -1 hello NULL create table t1 (a tinyint, b smallint, c mediumint, d int, e bigint, f float(3,2), g double(4,3), h decimal(5,4), i year, j date, k timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, l datetime, m enum('a','b'), n set('a','b'), o char(10)); select * from t1; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test t1 t1 a a 1 4 0 Y 32768 0 63 def test t1 t1 b b 2 6 0 Y 32768 0 63 def test t1 t1 c c 9 9 0 Y 32768 0 63 def test t1 t1 d d 3 11 0 Y 32768 0 63 def test t1 t1 e e 8 20 0 Y 32768 0 63 def test t1 t1 f f 4 3 0 Y 32768 2 63 def test t1 t1 g g 5 4 0 Y 32768 3 63 def test t1 t1 h h 246 7 0 Y 32768 4 63 def test t1 t1 i i 13 4 0 Y 32864 0 63 def test t1 t1 j j 10 10 0 Y 128 0 63 def test t1 t1 k k 7 19 0 N 9345 0 63 def test t1 t1 l l 12 19 0 Y 128 0 63 def test t1 t1 m m 254 1 0 Y 256 0 8 def test t1 t1 n n 254 3 0 Y 2048 0 8 def test t1 t1 o o 254 10 0 Y 0 0 8 a b c d e f g h i j k l m n o select a b, b c from t1 as t2; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test t1 t2 a b 1 4 0 Y 32768 0 63 def test t1 t2 b c 2 6 0 Y 32768 0 63 b c drop table t1; CREATE TABLE t1 (id tinyint(3) default NULL, data varchar(255) default NULL); INSERT INTO t1 VALUES (1,'male'),(2,'female'); CREATE TABLE t2 (id tinyint(3) unsigned default NULL, data char(3) default '0'); INSERT INTO t2 VALUES (1,'yes'),(2,'no'); select t1.id, t1.data, t2.data from t1, t2 where t1.id = t2.id; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test t1 t1 id id 1 3 1 Y 32768 0 63 def test t1 t1 data data 253 255 6 Y 0 0 8 def test t2 t2 data data 254 3 3 Y 0 0 8 id data data 1 male yes 2 female no select t1.id, t1.data, t2.data from t1, t2 where t1.id = t2.id order by t1.id; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test t1 t1 id id 1 3 1 Y 32768 0 63 def test t1 t1 data data 253 255 6 Y 0 0 8 def test t2 t2 data data 254 3 3 Y 0 0 8 id data data 1 male yes 2 female no select t1.id from t1 union select t2.id from t2; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def id id 1 4 1 Y 32768 0 63 id 1 2 drop table t1,t2; create table t1 ( a int, b varchar(30), primary key(a)); insert into t1 values (1,'one'); insert into t1 values (2,'two'); set @arg00=1 ; select @arg00 FROM t1 where a=1 union distinct select 1 FROM t1 where a=1; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def @arg00 @arg00 8 20 1 Y 32768 0 63 @arg00 1 select * from (select @arg00) aaa; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def aaa @arg00 @arg00 8 20 1 Y 32768 0 63 @arg00 1 select 1 union select 1; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def 1 1 8 20 1 N 32769 0 63 1 1 select * from (select 1 union select 1) aaa; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def aaa 1 1 8 20 1 N 32769 0 63 1 1 drop table t1; create table t1 (i int); insert into t1 values (1),(2),(3); select * from t1 where i = 2; drop table t1;// affected rows: 0 affected rows: 3 info: Records: 3 Duplicates: 0 Warnings: 0 i 2 affected rows: 1 affected rows: 0 create table t1 (id int(10)); insert into t1 values (1); CREATE VIEW v1 AS select t1.id as id from t1; CREATE VIEW v2 AS select t1.id as renamed from t1; CREATE VIEW v3 AS select t1.id + 12 as renamed from t1; select * from v1 group by id limit 1; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test t1 v1 id id 3 10 1 Y 32768 0 63 id 1 select * from v1 group by id limit 0; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test v1 v1 id id 3 10 0 Y 32768 0 63 id select * from v1 where id=1000 group by id; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test v1 v1 id id 3 10 0 Y 32768 0 63 id select * from v1 where id=1 group by id; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test t1 v1 id id 3 10 1 Y 32768 0 63 id 1 select * from v2 where renamed=1 group by renamed; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test t1 v2 id renamed 3 10 1 Y 32768 0 63 renamed 1 select * from v3 where renamed=1 group by renamed; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def v3 v3 renamed renamed 8 12 0 Y 32896 0 63 renamed drop table t1; drop view v1,v2,v3; select a.* from (select 2147483648 as v_large) a; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def a v_large v_large 8 10 10 N 32769 0 63 v_large 2147483648 select a.* from (select 214748364 as v_small) a; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def a v_small v_small 3 9 9 N 32769 0 63 v_small 214748364 CREATE TABLE t1 (c1 CHAR(1)); CREATE TABLE t2 (c2 CHAR(1)); CREATE VIEW v1 AS SELECT t1.c1 FROM t1; CREATE VIEW v2 AS SELECT t2.c2 FROM t2; INSERT INTO t1 VALUES ('1'), ('2'), ('3'); INSERT INTO t2 VALUES ('1'), ('2'), ('3'), ('2'); SELECT v1.c1 FROM v1 JOIN t2 ON c1=c2 ORDER BY 1; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test t1 v1 c1 c1 254 1 1 Y 0 0 8 c1 1 2 2 3 SELECT v1.c1, v2.c2 FROM v1 JOIN v2 ON c1=c2; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test v1 v1 c1 c1 254 1 1 Y 0 0 8 def test v2 v2 c2 c2 254 1 1 Y 0 0 8 c1 c2 1 1 2 2 3 3 2 2 SELECT v1.c1, v2.c2 FROM v1 JOIN v2 ON c1=c2 GROUP BY v1.c1; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test t1 v1 c1 c1 254 1 1 Y 32768 0 8 def test t2 v2 c2 c2 254 1 1 Y 0 0 8 c1 c2 1 1 2 2 3 3 SELECT v1.c1, v2.c2 FROM v1 JOIN v2 ON c1=c2 GROUP BY v1.c1 ORDER BY v2.c2; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test t1 v1 c1 c1 254 1 1 Y 32768 0 8 def test t2 v2 c2 c2 254 1 1 Y 0 0 8 c1 c2 1 1 2 2 3 3 DROP VIEW v1,v2; DROP TABLE t1,t2; CREATE TABLE t1 (i INT, d DATE); INSERT INTO t1 VALUES (1, '2008-01-01'), (2, '2008-01-02'), (3, '2008-01-03'); SELECT COALESCE(d, d), IFNULL(d, d), IF(i, d, d), CASE i WHEN i THEN d ELSE d END, GREATEST(d, d), LEAST(d, d) FROM t1 ORDER BY RAND(); Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr 2008-01-01 2008-01-01 2008-01-01 2008-01-01 2008-01-01 2008-01-01 2008-01-02 2008-01-02 2008-01-02 2008-01-02 2008-01-02 2008-01-02 2008-01-03 2008-01-03 2008-01-03 2008-01-03 2008-01-03 2008-01-03 COALESCE(d, d) IFNULL(d, d) IF(i, d, d) CASE i WHEN i THEN d ELSE d END GREATEST(d, d) LEAST(d, d) def CASE i WHEN i THEN d ELSE d END CASE i WHEN i THEN d ELSE d END 10 10 10 Y 128 0 63 def COALESCE(d, d) COALESCE(d, d) 10 10 10 Y 128 0 63 def GREATEST(d, d) GREATEST(d, d) 10 10 10 Y 128 0 63 def IF(i, d, d) IF(i, d, d) 10 10 10 Y 128 0 63 def IFNULL(d, d) IFNULL(d, d) 10 10 10 Y 128 0 63 def LEAST(d, d) LEAST(d, d) 10 10 10 Y 128 0 63 DROP TABLE t1; # # Bug#41788 mysql_fetch_field returns org_table == table by a view # CREATE TABLE t1 (f1 INT); CREATE VIEW v1 AS SELECT f1 FROM t1; SELECT f1 FROM v1 va; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test v1 va f1 f1 3 11 0 Y 32768 0 63 f1 DROP VIEW v1; DROP TABLE t1; End of 5.0 tests create table t1( # numeric types bool_col bool, boolean_col boolean, bit_col bit(5), tiny tinyint, tiny_uns tinyint unsigned, small smallint, small_uns smallint unsigned, medium mediumint, medium_uns mediumint unsigned, int_col int, int_col_uns int unsigned, big bigint, big_uns bigint unsigned, decimal_col decimal(10,5), # synonyms of DECIMAL numeric_col numeric(10), fixed_col fixed(10), dec_col dec(10), decimal_col_uns decimal(10,5) unsigned, fcol float, fcol_uns float unsigned, dcol double, double_precision_col double precision, dcol_uns double unsigned, # date/time types date_col date, time_col time, timestamp_col timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, year_col year, datetime_col datetime, # string types char_col char(5), varchar_col varchar(10), binary_col binary(10), varbinary_col varbinary(10), tinyblob_col tinyblob, blob_col blob, mediumblob_col mediumblob, longblob_col longblob, text_col text, mediumtext_col mediumtext, longtext_col longtext, enum_col enum("A","B","C"), set_col set("F","E","D") ); select * from t1; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test t1 t1 bool_col bool_col 1 1 0 Y 32768 0 63 def test t1 t1 boolean_col boolean_col 1 1 0 Y 32768 0 63 def test t1 t1 bit_col bit_col 16 5 0 Y 32 0 63 def test t1 t1 tiny tiny 1 4 0 Y 32768 0 63 def test t1 t1 tiny_uns tiny_uns 1 3 0 Y 32800 0 63 def test t1 t1 small small 2 6 0 Y 32768 0 63 def test t1 t1 small_uns small_uns 2 5 0 Y 32800 0 63 def test t1 t1 medium medium 9 9 0 Y 32768 0 63 def test t1 t1 medium_uns medium_uns 9 8 0 Y 32800 0 63 def test t1 t1 int_col int_col 3 11 0 Y 32768 0 63 def test t1 t1 int_col_uns int_col_uns 3 10 0 Y 32800 0 63 def test t1 t1 big big 8 20 0 Y 32768 0 63 def test t1 t1 big_uns big_uns 8 20 0 Y 32800 0 63 def test t1 t1 decimal_col decimal_col 246 12 0 Y 32768 5 63 def test t1 t1 numeric_col numeric_col 246 11 0 Y 32768 0 63 def test t1 t1 fixed_col fixed_col 246 11 0 Y 32768 0 63 def test t1 t1 dec_col dec_col 246 11 0 Y 32768 0 63 def test t1 t1 decimal_col_uns decimal_col_uns 246 11 0 Y 32800 5 63 def test t1 t1 fcol fcol 4 12 0 Y 32768 31 63 def test t1 t1 fcol_uns fcol_uns 4 12 0 Y 32800 31 63 def test t1 t1 dcol dcol 5 22 0 Y 32768 31 63 def test t1 t1 double_precision_col double_precision_col 5 22 0 Y 32768 31 63 def test t1 t1 dcol_uns dcol_uns 5 22 0 Y 32800 31 63 def test t1 t1 date_col date_col 10 10 0 Y 128 0 63 def test t1 t1 time_col time_col 11 10 0 Y 128 0 63 def test t1 t1 timestamp_col timestamp_col 7 19 0 N 9345 0 63 def test t1 t1 year_col year_col 13 4 0 Y 32864 0 63 def test t1 t1 datetime_col datetime_col 12 19 0 Y 128 0 63 def test t1 t1 char_col char_col 254 5 0 Y 0 0 8 def test t1 t1 varchar_col varchar_col 253 10 0 Y 0 0 8 def test t1 t1 binary_col binary_col 254 10 0 Y 128 0 63 def test t1 t1 varbinary_col varbinary_col 253 10 0 Y 128 0 63 def test t1 t1 tinyblob_col tinyblob_col 252 255 0 Y 144 0 63 def test t1 t1 blob_col blob_col 252 65535 0 Y 144 0 63 def test t1 t1 mediumblob_col mediumblob_col 252 16777215 0 Y 144 0 63 def test t1 t1 longblob_col longblob_col 252 4294967295 0 Y 144 0 63 def test t1 t1 text_col text_col 252 65535 0 Y 16 0 8 def test t1 t1 mediumtext_col mediumtext_col 252 16777215 0 Y 16 0 8 def test t1 t1 longtext_col longtext_col 252 4294967295 0 Y 16 0 8 def test t1 t1 enum_col enum_col 254 1 0 Y 256 0 8 def test t1 t1 set_col set_col 254 5 0 Y 2048 0 8 bool_col boolean_col bit_col tiny tiny_uns small small_uns medium medium_uns int_col int_col_uns big big_uns decimal_col numeric_col fixed_col dec_col decimal_col_uns fcol fcol_uns dcol double_precision_col dcol_uns date_col time_col timestamp_col year_col datetime_col char_col varchar_col binary_col varbinary_col tinyblob_col blob_col mediumblob_col longblob_col text_col mediumtext_col longtext_col enum_col set_col drop table t1; # # WL#946 TIME/DATETIME/TIMESTAMP with fractional precision # CREATE TABLE t1 ( t6 TIME(6), t5 TIME(5), t4 TIME(4), t3 TIME(3), t2 TIME(2), t1 TIME(1), t0 TIME, dt6 DATETIME(6), dt5 DATETIME(5), dt4 DATETIME(4), dt3 DATETIME(3), dt2 DATETIME(2), dt1 DATETIME(1), dt0 DATETIME, ts6 TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ON UPDATE CURRENT_TIMESTAMP(6), ts5 TIMESTAMP(5) NOT NULL DEFAULT '0000-00-00 00:00:00', ts4 TIMESTAMP(4) NOT NULL DEFAULT '0000-00-00 00:00:00', ts3 TIMESTAMP(3) NOT NULL DEFAULT '0000-00-00 00:00:00', ts2 TIMESTAMP(2) NOT NULL DEFAULT '0000-00-00 00:00:00', ts1 TIMESTAMP(1) NOT NULL DEFAULT '0000-00-00 00:00:00', ts0 TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00' ); SELECT * FROM t1; Catalog Database Table Table_alias Column Column_alias Type Length Max length Is_null Flags Decimals Charsetnr def test t1 t1 t6 t6 11 17 0 Y 128 6 63 def test t1 t1 t5 t5 11 16 0 Y 128 5 63 def test t1 t1 t4 t4 11 15 0 Y 128 4 63 def test t1 t1 t3 t3 11 14 0 Y 128 3 63 def test t1 t1 t2 t2 11 13 0 Y 128 2 63 def test t1 t1 t1 t1 11 12 0 Y 128 1 63 def test t1 t1 t0 t0 11 10 0 Y 128 0 63 def test t1 t1 dt6 dt6 12 26 0 Y 128 6 63 def test t1 t1 dt5 dt5 12 25 0 Y 128 5 63 def test t1 t1 dt4 dt4 12 24 0 Y 128 4 63 def test t1 t1 dt3 dt3 12 23 0 Y 128 3 63 def test t1 t1 dt2 dt2 12 22 0 Y 128 2 63 def test t1 t1 dt1 dt1 12 21 0 Y 128 1 63 def test t1 t1 dt0 dt0 12 19 0 Y 128 0 63 def test t1 t1 ts6 ts6 7 26 0 N 9345 6 63 def test t1 t1 ts5 ts5 7 25 0 N 129 5 63 def test t1 t1 ts4 ts4 7 24 0 N 129 4 63 def test t1 t1 ts3 ts3 7 23 0 N 129 3 63 def test t1 t1 ts2 ts2 7 22 0 N 129 2 63 def test t1 t1 ts1 ts1 7 21 0 N 129 1 63 def test t1 t1 ts0 ts0 7 19 0 N 129 0 63 t6 t5 t4 t3 t2 t1 t0 dt6 dt5 dt4 dt3 dt2 dt1 dt0 ts6 ts5 ts4 ts3 ts2 ts1 ts0 DROP TABLE t1;