diff --git a/test/cases/dtype/text_1.sql b/test/cases/dtype/text_1.sql
new file mode 100644
index 0000000000000000000000000000000000000000..8adb3afe1dfedd92b76aca74bfd3bda474351218
--- /dev/null
+++ b/test/cases/dtype/text_1.sql
@@ -0,0 +1,447 @@
+
+-- Test not support default value and DDL index on
+
+-- @bvt:issue#4538
+drop table if exists t1;
+create table t1 (
+a text not null,
+b text default '111'
+);
+drop table t1;
+-- @bvt:issue
+
+drop table if exists t2;
+create table t2(
+a int,
+b text primary key
+);
+drop table t2;
+
+-- test different type cast text type
+
+drop table if exists t3;
+create table t3 (
+col1 bigint,
+col2 bigint unsigned
+);
+insert into t3 values (-9223372036854775808,18446744073709551615);
+
+select cast(col1 as text), cast(col2 as text) from t3;
+drop table t3;
+
+drop table if exists t4;
+create table t4 (
+col1 float,
+col2 double
+);
+insert into t4 values (1.23456789333, 8.12334456564564564995645674564567457);
+
+select cast(col1 as text), cast(col2 as text) from t4;
+drop table t4;
+
+drop table if exists t5;
+create table t5 (
+col1 char(25),
+col2 varchar(25)
+);
+
+insert into t5 values ('this is a char type', 'this is a varchar type');
+select cast(col1 as text), cast(col2 as text) from t5;
+select cast(col1 as text) as col1, cast(col2 as text) as col2 from t5;
+drop table t5;
+
+drop table if exists t6;
+create table t6(
+col1 date,
+col2 datetime,
+col3 timestamp
+);
+insert into t6 values ('2022-02-01', '2022-02-01:23:59 59.999999', '2037-09-08 23:59:59.999999');
+
+select cast(col1 as text), cast(col2 as text), cast(col3 as text) from t6;
+drop table t6;
+
+drop table if exists t7;
+create table t7(
+col1 decimal(5,2),
+col2 decimal(22,20),
+col3 bool
+);
+
+insert into t7 values (1.12345678,12.112233445566778899009867, TRUE);
+insert into t7 values (1.12345678,12.112233445566778899009867, FALSE);
+select cast(col1 as text), cast(col2 as text), cast(col3 as text) from t7;
+drop table t7;
+
+-- test text type cast other type
+
+drop table if exists t8;
+create table t8(
+col1 text,
+col2 text,
+col3 text,
+col4 text,
+col5 text,
+col6 text,
+col7 text,
+col8 text,
+col9 text,
+col10 text,
+col11 text,
+col12 text,
+col13 text
+);
+insert into t8(col1) values ('-128');
+insert into t8(col1) values ('127');
+-- test implicit conversion
+insert into t8(col1) values (-128);
+insert into t8(col1) values (127);
+select cast(col1 as tinyint) from t8;
+
+insert into t8(col1) values ('-129');
+select cast(col1 as tinyint) from t8;
+delete from t8 where col1='-129';
+
+insert into t8(col1) values ('128');
+select cast(col1 as tinyint) from t8;
+delete from t8 where col1 is not NULL;
+
+--------------------------------------------
+insert into t8(col2) values ('-32768');
+insert into t8(col2) values ('32767');
+-- test implicit conversion
+insert into t8(col2) values (-32768);
+insert into t8(col2) values (32767);
+select cast(col2 as smallint) from t8;
+
+insert into t8(col2) values ('-32769');
+select cast(col2 as smallint) from t8;
+delete from t8 where col2 is not NULL;
+
+insert into t8(col2) values ('32768');
+select cast(col2 as smallint) from t8;
+delete from t8 where col2 is not NULL;
+
+------------------------------------------
+insert into t8(col3) values ('-2147483648');
+insert into t8(col3) values ('2147483647');
+-- test implicit conversion
+insert into t8(col3) values (-2147483648);
+insert into t8(col3) values (2147483647);
+select cast(col3 as int) from t8;
+
+insert into t8(col3) values ('-2147483649');
+select cast(col3 as int) from t8;
+delete from t8 where col3 is not NULL;
+
+insert into t8(col3) values ('2147483648');
+select cast(col3 as int) from t8;
+delete from t8 where col3 is not NULL;
+
+-------------------------------------------
+insert into t8(col4) values ('-9223372036854775808');
+insert into t8(col4) values ('9223372036854775807');
+-- test implicit conversion
+insert into t8(col4) values (-9223372036854775808);
+insert into t8(col4) values (9223372036854775807);
+select cast(col4 as bigint) from t8;
+
+insert into t8(col4) values ('-9223372036854775809');
+select cast(col4 as bigint) from t8;
+delete from t8 where col4 is not NULL;
+
+insert into t8(col4) values ('9223372036854775808');
+select cast(col4 as bigint) from t8;
+delete from t8 where col4 is not NULL;
+
+-------------------------------------------
+insert into t8(col5) values ('0');
+insert into t8(col5) values ('255');
+-- test implicit conversion
+insert into t8(col5) values (0);
+insert into t8(col5) values (255);
+select cast(col5 as tinyint unsigned) from t8;
+
+insert into t8(col5) values ('-1');
+select cast(col5 as tinyint unsigned) from t8;
+delete from t8 where col5 is not NULL;
+
+insert into t8(col5) values ('256');
+select cast(col5 as tinyint unsigned) from t8;
+delete from t8 where col5 is not NULL;
+
+-------------------------------------------
+insert into t8(col6) values ('0');
+insert into t8(col6) values ('65535');
+-- test implicit conversion
+insert into t8(col6) values (0);
+insert into t8(col6) values (65535);
+select cast(col6 as smallint unsigned) from t8;
+
+insert into t8(col6) values ('-1');
+select cast(col6 as smallint unsigned) from t8;
+delete from t8 where col6 is not NULL;
+
+insert into t8(col6) values ('65636');
+select cast(col6 as smallint unsigned) from t8;
+delete from t8 where col6 is not NULL;
+
+-------------------------------------------
+insert into t8(col7) values ('0');
+insert into t8(col7) values ('4294967295');
+-- test implicit conversion
+insert into t8(col7) values (0);
+insert into t8(col7) values (4294967295);
+select cast(col7 as int unsigned) from t8;
+
+insert into t8(col7) values ('-1');
+select cast(col7 as int unsigned) from t8;
+delete from t8 where col7 is not NULL;
+
+insert into t8(col7) values ('4294967296');
+select cast(col7 as int unsigned) from t8;
+delete from t8 where col7 is not NULL;
+
+-------------------------------------------
+insert into t8(col8) values ('0');
+insert into t8(col8) values ('18446744073709551615');
+-- test implicit conversion
+insert into t8(col8) values (18446744073709551615);
+select cast(col8 as bigint unsigned) from t8;
+
+insert into t8(col8) values ('-1');
+select cast(col8 as bigint unsigned) from t8;
+delete from t8 where col8 is not NULL;
+
+insert into t8(col8) values ('18446744073709551616');
+select cast(col8 as bigint unsigned) from t8;
+delete from t8 where col8 is not NULL;
+
+-------------------------------------------
+insert into t8(col9) values ('1.234567890434546457475756856');
+insert into t8(col9) values ('111.222333344445556667777888899999000008998');
+-- test implicit conversion
+insert into t8(col9) values (1.234567890434546457475756856);
+insert into t8(col9) values (111.222333344445556667777888899999000008998);
+
+select cast(col9 as float) from t8;
+select cast(col9 as double) from t8;
+delete from t8 where col9 is not NULL;
+
+insert into t8(col9) values ('1000000000000000000000000000000000000000');
+insert into t8(col9) values (1000000000000000000000000000000000000000);
+select cast(col9 as float) from t8;
+select cast(col9 as double) from t8;
+delete from t8 where col9 is not NULL;
+
+-------------------------------------------
+
+-- @bvt:issue#4634
+insert into t8(col10) values ('this is a char type');
+insert into t8(col10) values ('this is a varchar type');
+
+select cast(col10 as char) from t8;
+select cast(col10 as varchar) from t8;
+
+select cast(col10 as char(1)) from t8;
+select cast(col10 as varchar(1)) from t8;
+
+delete from t8 where col10 is not NULL;
+-- @bvt:issue
+
+-------------------------------------------
+insert into t8(col11) values ('2020-01-01');
+insert into t8(col11) values ('2020-01-01 13:10:10');
+
+-- @bvt:issue#4655
+insert into t8(col11) values (2020-01-01);
+insert into t8(col11) values (2020-01-01 13:10:10);
+-- @bvt:issue
+
+select cast(col11 as date) from t8;
+delete from t8 where col11 is not NULL;
+
+
+insert into t8(col11) values ('2020-01-01');
+insert into t8(col11) values ('2020-01-01 13:10:10');
+
+select cast(col11 as datetime) from t8;
+delete from t8 where col11 is not NULL;
+
+insert into t8(col11) values ('2020-01-01');
+insert into t8(col11) values ('2020-01-01 13:10:10');
+insert into t8(col11) values ('2020-01-01 13:10:59.999999');
+
+-- @bvt:issue#4655
+insert into t8(col11) values (2020-01-01 13:10:59.999999);
+-- @bvt:issue
+
+select cast(col11 as timestamp) from t8;
+delete from t8 where col11 is not NULL;
+
+-------------------------------------------
+-- @bvt:issue#4636
+insert into t8(col12) values ('1');
+insert into t8(col12) values ('0');
+insert into t8(col12) values (1);
+insert into t8(col12) values (0);
+
+select cast(col12 as bool) from t8;
+delete from t8 where col12 is not NULL;
+
+insert into t8(col12) values ('hello');
+select cast(col12 as bool) from t8;
+delete from t8 where col12 is not NULL;
+
+insert into t8(col12) values ('2');
+select cast(col12 as bool) from t8;
+delete from t8 where col12 is not NULL;
+-- @bvt:issue
+
+-------------------------------------------
+
+-- @bvt:issue#4635
+insert into t8(col13) values ('12345.123456789');
+insert into t8(col13) values (12345.123456789);
+select cast(col13 as decimal(5,3));
+insert into t8(col13) values ('1.234567');
+insert into t8(col13) values (1.234567);
+
+select cast(col13 as decimal(5,3));
+select cast(col13 as decimal(20,15));
+
+drop table if exists t8;
+-- @bvt:issue
+
+
+-- test text support function
+drop table if exists t9;
+create table t9 (
+a text,
+b text
+);
+
+insert into t9 values('aaa','bbb');
+insert into t9 values('aaa1','bbb1');
+insert into t9 values('_aaa2','_bbb2');
+insert into t9 values(',aaa3',',bbb3');
+
+select CONCAT_WS(' ',a, b) from t9;
+select CONCAT_WS(',',a, b) from t9;
+select CONCAT_WS('_',a, b) from t9;
+
+select find_in_set('aaa', a) from t9;
+select find_in_set('bbb', b) from t9;
+
+delete from t9 where a is not NULL;
+
+insert into t9 values ('', 'abcd');
+insert into t1 values ('1111', '');
+select empty(a),empty(b) from t9;
+
+insert into t9 values ('a', 'b');
+insert into t9 values ('aa', 'bb');
+
+select a, length(a), b, length(b) from t9;
+delete from t9 where a is not NULL;
+
+insert into t9 values (' matrix',' matrix_origin');
+select ltrim(a), ltrim(b) from t9;
+
+insert into t9 values ('matrix ','matrix_one ');
+select rtrim(a),rtrim(b) from t9;
+delete from t9 where a is not NULL;
+
+insert into t9 values ('a','1');
+insert into t9 values ('ab','12');
+insert into t9 values ('abc','123');
+insert into t9 values ('abcd','1234');
+select LPAD(a, 10, ',') from t9;
+select LPAD(b, 8, '!') from t9;
+
+select RPAD(a, 10, ',') from t9;
+select RPAD(b, 8, '!') from t9;
+delete from t9 where a is not NULL;
+
+insert into t9 values ('Ananya Majumdar', 'IX'),('Anushka Samanta', 'X'),('Sharma', 'XI');
+select startswith(a,'An') from t9;
+select endswith(b,'X') from t9;
+delete from t9 where a is not NULL;
+
+insert into t9 values(' sdfad ','2022-02-02 22:22:22');
+insert into t9 values('sdfad ','2022-02-02 22:22:22');
+insert into t9 values('adsf sdfad','2022-02-02 22:22:22');
+insert into t9 values(' sdfad','2022-02-02 22:22:22');
+-- @separator:table
+select reverse(a),reverse(b) from t9;
+
+delete from t9 where a is not NULL;
+
+insert into t9 values ('123456789', 'abcdefgh');
+insert into t9 values ('987654321', 'aabbccddee');
+
+select substr(a, 2, 5) from t9;
+select substr(b, 2, 5) from t9;
+
+drop table t9;
+
+
+drop table if exists t10;
+create table t10 (
+a int,
+b varchar(255),
+c text
+);
+
+insert into t10 values (1, 1, 1);
+insert into t10 values (1, 2, 2);
+insert into t10 values (1, 1, 2);
+insert into t10 values (100, 100, 100);
+insert into t10(a) values (10);
+insert into t10 values (10, '', '');
+insert into t10 values (10, 'aabsdfsb', 'aabdsfsfsdb');
+insert into t10 values (10, 'aa,bb', 'aa,bb');
+insert into t10 values (10, 'aa%bb', 'aa%bb');
+
+-- echo error
+select * from t10 where c=1;
+update t10 set c=10000 where a=10;
+update t10 set c=true where a=10;
+update t10 set c='true' where a=10;
+update t10 set c='false' where a=10;
+
+select * from t10 where c='1';
+select * from t10 where c!='1';
+select * from t10 where c>'1';
+select * from t10 where c>='1';
+select * from t10 where c<'2';
+select * from t10 where c=<'2';
+select * from t10 where c is NULL;
+select * from t10 where c='';
+select * from t10 where c like '%a%';
+select * from t10 where c like '%a\%%';
+select * from t10 where c like '%,bb';
+select * from t10 where c like 'aa,%';
+
+select c,count(c) from t10 group by c;
+select * from t10 order by c;
+
+drop table t10;
+
+drop table if exists t11;
+create table t11 (a text);
+insert into t11 values ('111'),('222'),('333');
+
+drop table if exists t12;
+create table t12 (b text);
+insert into t12 values ('aaa'),('bbb'),('ccc');
+
+select * from t11 join t12 on t11.a!=t12.b;
+select * from t11 left join t12 on t11.a!=t12.b;
+select * from t11 right join t12 on t11.a!=t12.b;
+
+-- @bvt:issue#4660
+select * from t11 union select * from t12;
+select * from t11 union all select * from t12;
+-- @bvt
+
diff --git a/test/result/dtype/text_1.result b/test/result/dtype/text_1.result
new file mode 100644
index 0000000000000000000000000000000000000000..b7336f9ce085f047ac1f1c1e19acc9c62e8c0d3a
--- /dev/null
+++ b/test/result/dtype/text_1.result
@@ -0,0 +1,600 @@
+drop table if exists t1;
+create table t1 (
+a text not null,
+b text default '111'
+);
+drop table t1;
+drop table if exists t2;
+create table t2(
+a int,
+b text primary key
+);
+Type text don't support primary key
+drop table t2;
+table t2 is not exists
+drop table if exists t3;
+create table t3 (
+col1 bigint,
+col2 bigint unsigned
+);
+insert into t3 values (-9223372036854775808,18446744073709551615);
+select cast(col1 as text), cast(col2 as text) from t3;
+cast(col1 as text) cast(col2 as text)
+-9223372036854775808 18446744073709551615
+drop table t3;
+drop table if exists t4;
+create table t4 (
+col1 float,
+col2 double
+);
+insert into t4 values (1.23456789333, 8.12334456564564564995645674564567457);
+select cast(col1 as text), cast(col2 as text) from t4;
+cast(col1 as text) cast(col2 as text)
+1.2345679 8.123344565645645
+drop table t4;
+drop table if exists t5;
+create table t5 (
+col1 char(25),
+col2 varchar(25)
+);
+insert into t5 values ('this is a char type', 'this is a varchar type');
+select cast(col1 as text), cast(col2 as text) from t5;
+cast(col1 as text) cast(col2 as text)
+this is a char type this is a varchar type
+select cast(col1 as text) as col1, cast(col2 as text) as col2 from t5;
+col1 col2
+this is a char type this is a varchar type
+drop table t5;
+drop table if exists t6;
+create table t6(
+col1 date,
+col2 datetime,
+col3 timestamp
+);
+insert into t6 values ('2022-02-01', '2022-02-01:23:59 59.999999', '2037-09-08 23:59:59.999999');
+Data truncation: Incorrect DATETIME value: '2022-02-01:23:59 59.999999' for column 'col2' at row 0
+select cast(col1 as text), cast(col2 as text), cast(col3 as text) from t6;
+cast(col1 as text) cast(col2 as text) cast(col3 as text)
+drop table t6;
+drop table if exists t7;
+create table t7(
+col1 decimal(5,2),
+col2 decimal(22,20),
+col3 bool
+);
+insert into t7 values (1.12345678,12.112233445566778899009867, TRUE);
+insert into t7 values (1.12345678,12.112233445566778899009867, FALSE);
+select cast(col1 as text), cast(col2 as text), cast(col3 as text) from t7;
+cast(col1 as text) cast(col2 as text) cast(col3 as text)
+1.12 12.11223344556677889901 1
+1.12 12.11223344556677889901 0
+drop table t7;
+drop table if exists t8;
+create table t8(
+col1 text,
+col2 text,
+col3 text,
+col4 text,
+col5 text,
+col6 text,
+col7 text,
+col8 text,
+col9 text,
+col10 text,
+col11 text,
+col12 text,
+col13 text
+);
+insert into t8(col1) values ('-128');
+insert into t8(col1) values ('127');
+insert into t8(col1) values (-128);
+insert into t8(col1) values (127);
+select cast(col1 as tinyint) from t8;
+cast(col1 as tinyint)
+-128
+127
+-128
+127
+insert into t8(col1) values ('-129');
+select cast(col1 as tinyint) from t8;
+Can't cast column from TEXT type to TINYINT type because of one or more values in that column.
+delete from t8 where col1='-129';
+insert into t8(col1) values ('128');
+select cast(col1 as tinyint) from t8;
+Can't cast column from TEXT type to TINYINT type because of one or more values in that column.
+delete from t8 where col1 is not NULL;
+insert into t8(col2) values ('-32768');
+insert into t8(col2) values ('32767');
+insert into t8(col2) values (-32768);
+insert into t8(col2) values (32767);
+select cast(col2 as smallint) from t8;
+cast(col2 as smallint)
+-32768
+32767
+-32768
+32767
+insert into t8(col2) values ('-32769');
+select cast(col2 as smallint) from t8;
+Can't cast column from TEXT type to SMALLINT type because of one or more values in that column.
+delete from t8 where col2 is not NULL;
+insert into t8(col2) values ('32768');
+select cast(col2 as smallint) from t8;
+Can't cast column from TEXT type to SMALLINT type because of one or more values in that column.
+delete from t8 where col2 is not NULL;
+insert into t8(col3) values ('-2147483648');
+insert into t8(col3) values ('2147483647');
+insert into t8(col3) values (-2147483648);
+insert into t8(col3) values (2147483647);
+select cast(col3 as int) from t8;
+cast(col3 as int)
+-2147483648
+2147483647
+-2147483648
+2147483647
+insert into t8(col3) values ('-2147483649');
+select cast(col3 as int) from t8;
+Can't cast column from TEXT type to INT type because of one or more values in that column.
+delete from t8 where col3 is not NULL;
+insert into t8(col3) values ('2147483648');
+select cast(col3 as int) from t8;
+Can't cast column from TEXT type to INT type because of one or more values in that column.
+delete from t8 where col3 is not NULL;
+insert into t8(col4) values ('-9223372036854775808');
+insert into t8(col4) values ('9223372036854775807');
+insert into t8(col4) values (-9223372036854775808);
+insert into t8(col4) values (9223372036854775807);
+select cast(col4 as bigint) from t8;
+cast(col4 as bigint)
+-9223372036854775808
+9223372036854775807
+-9223372036854775808
+9223372036854775807
+insert into t8(col4) values ('-9223372036854775809');
+select cast(col4 as bigint) from t8;
+Can't cast column from TEXT type to BIGINT type because of one or more values in that column.
+delete from t8 where col4 is not NULL;
+insert into t8(col4) values ('9223372036854775808');
+select cast(col4 as bigint) from t8;
+Can't cast column from TEXT type to BIGINT type because of one or more values in that column.
+delete from t8 where col4 is not NULL;
+insert into t8(col5) values ('0');
+insert into t8(col5) values ('255');
+insert into t8(col5) values (0);
+insert into t8(col5) values (255);
+select cast(col5 as tinyint unsigned) from t8;
+cast(col5 as tinyint unsigned)
+0
+255
+0
+255
+insert into t8(col5) values ('-1');
+select cast(col5 as tinyint unsigned) from t8;
+Can't cast column from TEXT type to TINYINT UNSIGNED type because of one or more values in that column.
+delete from t8 where col5 is not NULL;
+insert into t8(col5) values ('256');
+select cast(col5 as tinyint unsigned) from t8;
+Can't cast column from TEXT type to TINYINT UNSIGNED type because of one or more values in that column.
+delete from t8 where col5 is not NULL;
+insert into t8(col6) values ('0');
+insert into t8(col6) values ('65535');
+insert into t8(col6) values (0);
+insert into t8(col6) values (65535);
+select cast(col6 as smallint unsigned) from t8;
+cast(col6 as smallint unsigned)
+0
+65535
+0
+65535
+insert into t8(col6) values ('-1');
+select cast(col6 as smallint unsigned) from t8;
+Can't cast column from TEXT type to SMALLINT UNSIGNED type because of one or more values in that column.
+delete from t8 where col6 is not NULL;
+insert into t8(col6) values ('65636');
+select cast(col6 as smallint unsigned) from t8;
+Can't cast column from TEXT type to SMALLINT UNSIGNED type because of one or more values in that column.
+delete from t8 where col6 is not NULL;
+insert into t8(col7) values ('0');
+insert into t8(col7) values ('4294967295');
+insert into t8(col7) values (0);
+insert into t8(col7) values (4294967295);
+select cast(col7 as int unsigned) from t8;
+cast(col7 as int unsigned)
+0
+4294967295
+0
+4294967295
+insert into t8(col7) values ('-1');
+select cast(col7 as int unsigned) from t8;
+Can't cast column from TEXT type to INT UNSIGNED type because of one or more values in that column.
+delete from t8 where col7 is not NULL;
+insert into t8(col7) values ('4294967296');
+select cast(col7 as int unsigned) from t8;
+Can't cast column from TEXT type to INT UNSIGNED type because of one or more values in that column.
+delete from t8 where col7 is not NULL;
+insert into t8(col8) values ('0');
+insert into t8(col8) values ('18446744073709551615');
+insert into t8(col8) values (18446744073709551615);
+select cast(col8 as bigint unsigned) from t8;
+cast(col8 as bigint unsigned)
+0
+18446744073709551615
+18446744073709551615
+insert into t8(col8) values ('-1');
+select cast(col8 as bigint unsigned) from t8;
+Can't cast column from TEXT type to BIGINT UNSIGNED type because of one or more values in that column.
+delete from t8 where col8 is not NULL;
+insert into t8(col8) values ('18446744073709551616');
+select cast(col8 as bigint unsigned) from t8;
+Can't cast column from TEXT type to BIGINT UNSIGNED type because of one or more values in that column.
+delete from t8 where col8 is not NULL;
+insert into t8(col9) values ('1.234567890434546457475756856');
+insert into t8(col9) values ('111.222333344445556667777888899999000008998');
+insert into t8(col9) values (1.234567890434546457475756856);
+insert into t8(col9) values (111.222333344445556667777888899999000008998);
+select cast(col9 as float) from t8;
+cast(col9 as float)
+1.2345679
+111.222336
+1.2345679
+111.222336
+select cast(col9 as double) from t8;
+cast(col9 as double)
+1.2345678904345465
+111.22233334444556
+1.2345678904345465
+111.22233334444556
+delete from t8 where col9 is not NULL;
+insert into t8(col9) values ('1000000000000000000000000000000000000000');
+insert into t8(col9) values (1000000000000000000000000000000000000000);
+select cast(col9 as float) from t8;
+Can't cast column from TEXT type to FLOAT type because of one or more values in that column.
+select cast(col9 as double) from t8;
+cast(col9 as double)
+1.0E39
+1.0E39
+delete from t8 where col9 is not NULL;
+insert into t8(col10) values ('this is a char type');
+insert into t8(col10) values ('this is a varchar type');
+select cast(col10 as char) from t8;
+cast(col10 as char)
+this is a char type
+this is a varchar type
+select cast(col10 as varchar) from t8;
+cast(col10 as varchar)
+this is a char type
+this is a varchar type
+select cast(col10 as char(1)) from t8;
+cast(col10 as char(1))
+this is a char type
+this is a varchar type
+select cast(col10 as varchar(1)) from t8;
+cast(col10 as varchar(1))
+this is a char type
+this is a varchar type
+delete from t8 where col10 is not NULL;
+insert into t8(col11) values ('2020-01-01');
+insert into t8(col11) values ('2020-01-01 13:10:10');
+insert into t8(col11) values (2020-01-01);
+insert into t8(col11) values (2020-01-01 13:10:10);
+You have an error in your SQL syntax; check the manual that corresponds to your MatrixOne server version for the right syntax to use. syntax error at position 44 near '13';
+select cast(col11 as date) from t8;
+cast(col11 as date)
+2020-01-01
+2020-01-01
+delete from t8 where col11 is not NULL;
+insert into t8(col11) values ('2020-01-01');
+insert into t8(col11) values ('2020-01-01 13:10:10');
+select cast(col11 as datetime) from t8;
+cast(col11 as datetime(26))
+2020-01-01 00:00:00
+2020-01-01 13:10:10
+delete from t8 where col11 is not NULL;
+insert into t8(col11) values ('2020-01-01');
+insert into t8(col11) values ('2020-01-01 13:10:10');
+insert into t8(col11) values ('2020-01-01 13:10:59.999999');
+insert into t8(col11) values (2020-01-01 13:10:59.999999);
+You have an error in your SQL syntax; check the manual that corresponds to your MatrixOne server version for the right syntax to use. syntax error at position 44 near '13';
+select cast(col11 as timestamp) from t8;
+cast(col11 as timestamp(26))
+2020-01-01 00:00:00
+2020-01-01 13:10:10
+2020-01-01 13:11:00
+delete from t8 where col11 is not NULL;
+insert into t8(col12) values ('1');
+insert into t8(col12) values ('0');
+insert into t8(col12) values (1);
+insert into t8(col12) values (0);
+select cast(col12 as bool) from t8;
+cast(col12 as bool)
+true
+false
+true
+false
+delete from t8 where col12 is not NULL;
+insert into t8(col12) values ('hello');
+select cast(col12 as bool) from t8;
+cast(col12 as bool)
+false
+delete from t8 where col12 is not NULL;
+insert into t8(col12) values ('2');
+select cast(col12 as bool) from t8;
+cast(col12 as bool)
+true
+delete from t8 where col12 is not NULL;
+insert into t8(col13) values ('12345.123456789');
+insert into t8(col13) values (12345.123456789);
+select cast(col13 as decimal(5,3));
+Column 'col13' does not exist
+insert into t8(col13) values ('1.234567');
+insert into t8(col13) values (1.234567);
+select cast(col13 as decimal(5,3));
+Column 'col13' does not exist
+select cast(col13 as decimal(20,15));
+Column 'col13' does not exist
+drop table if exists t8;
+drop table if exists t9;
+create table t9 (
+a text,
+b text
+);
+insert into t9 values('aaa','bbb');
+insert into t9 values('aaa1','bbb1');
+insert into t9 values('_aaa2','_bbb2');
+insert into t9 values(',aaa3',',bbb3');
+select CONCAT_WS(' ',a, b) from t9;
+concat_ws( , a, b)
+aaa bbb
+aaa1 bbb1
+_aaa2 _bbb2
+,aaa3 ,bbb3
+select CONCAT_WS(',',a, b) from t9;
+concat_ws(,, a, b)
+aaa,bbb
+aaa1,bbb1
+_aaa2,_bbb2
+,aaa3,,bbb3
+select CONCAT_WS('_',a, b) from t9;
+concat_ws(_, a, b)
+aaa_bbb
+aaa1_bbb1
+_aaa2__bbb2
+,aaa3_,bbb3
+select find_in_set('aaa', a) from t9;
+find_in_set(aaa, a)
+1
+0
+0
+0
+select find_in_set('bbb', b) from t9;
+find_in_set(bbb, b)
+1
+0
+0
+0
+delete from t9 where a is not NULL;
+insert into t9 values ('', 'abcd');
+insert into t1 values ('1111', '');
+Invalid table name: t1
+select empty(a),empty(b) from t9;
+empty(a) empty(b)
+1 0
+insert into t9 values ('a', 'b');
+insert into t9 values ('aa', 'bb');
+select a, length(a), b, length(b) from t9;
+a length(a) b length(b)
+ 0 abcd 4
+a 1 b 1
+aa 2 bb 2
+delete from t9 where a is not NULL;
+insert into t9 values (' matrix',' matrix_origin');
+select ltrim(a), ltrim(b) from t9;
+ltrim(a) ltrim(b)
+matrix matrix_origin
+insert into t9 values ('matrix ','matrix_one ');
+select rtrim(a),rtrim(b) from t9;
+rtrim(a) rtrim(b)
+ matrix matrix_origin
+matrix matrix_one
+delete from t9 where a is not NULL;
+insert into t9 values ('a','1');
+insert into t9 values ('ab','12');
+insert into t9 values ('abc','123');
+insert into t9 values ('abcd','1234');
+select LPAD(a, 10, ',') from t9;
+lpad(a, 10, ,)
+,,,,,,,,,a
+,,,,,,,,ab
+,,,,,,,abc
+,,,,,,abcd
+select LPAD(b, 8, '!') from t9;
+lpad(b, 8, !)
+!!!!!!!1
+!!!!!!12
+!!!!!123
+!!!!1234
+select RPAD(a, 10, ',') from t9;
+rpad(a, 10, ,)
+a,,,,,,,,,
+ab,,,,,,,,
+abc,,,,,,,
+abcd,,,,,,
+select RPAD(b, 8, '!') from t9;
+rpad(b, 8, !)
+1!!!!!!!
+12!!!!!!
+123!!!!!
+1234!!!!
+delete from t9 where a is not NULL;
+insert into t9 values ('Ananya Majumdar', 'IX'),('Anushka Samanta', 'X'),('Sharma', 'XI');
+select startswith(a,'An') from t9;
+startswith(a, An)
+1
+1
+0
+select endswith(b,'X') from t9;
+endswith(b, X)
+1
+1
+0
+delete from t9 where a is not NULL;
+insert into t9 values(' sdfad ','2022-02-02 22:22:22');
+insert into t9 values('sdfad ','2022-02-02 22:22:22');
+insert into t9 values('adsf sdfad','2022-02-02 22:22:22');
+insert into t9 values(' sdfad','2022-02-02 22:22:22');
+select reverse(a),reverse(b) from t9;
+reverse(a) reverse(b)
+ dafds 22:22:22 20-20-2202
+ dafds 22:22:22 20-20-2202
+dafds fsda 22:22:22 20-20-2202
+dafds 22:22:22 20-20-2202
+delete from t9 where a is not NULL;
+insert into t9 values ('123456789', 'abcdefgh');
+insert into t9 values ('987654321', 'aabbccddee');
+select substr(a, 2, 5) from t9;
+substr(a, 2, 5)
+23456
+87654
+select substr(b, 2, 5) from t9;
+substr(b, 2, 5)
+bcdef
+abbcc
+drop table t9;
+drop table if exists t10;
+create table t10 (
+a int,
+b varchar(255),
+c text
+);
+insert into t10 values (1, 1, 1);
+insert into t10 values (1, 2, 2);
+insert into t10 values (1, 1, 2);
+insert into t10 values (100, 100, 100);
+insert into t10(a) values (10);
+insert into t10 values (10, '', '');
+insert into t10 values (10, 'aabsdfsb', 'aabdsfsfsdb');
+insert into t10 values (10, 'aa,bb', 'aa,bb');
+insert into t10 values (10, 'aa%bb', 'aa%bb');
+select * from t10 where c=1;
+Can't cast column from TEXT type to BIGINT type because of one or more values in that column.
+update t10 set c=10000 where a=10;
+update t10 set c=true where a=10;
+update t10 set c='true' where a=10;
+update t10 set c='false' where a=10;
+select * from t10 where c='1';
+a b c
+1 1 1
+select * from t10 where c!='1';
+a b c
+1 2 2
+1 1 2
+100 100 100
+10 null false
+10 false
+10 aabsdfsb false
+10 aa,bb false
+10 aa%bb false
+select * from t10 where c>'1';
+a b c
+1 2 2
+1 1 2
+100 100 100
+10 null false
+10 false
+10 aabsdfsb false
+10 aa,bb false
+10 aa%bb false
+select * from t10 where c>='1';
+a b c
+1 1 1
+1 2 2
+1 1 2
+100 100 100
+10 null false
+10 false
+10 aabsdfsb false
+10 aa,bb false
+10 aa%bb false
+select * from t10 where c<'2';
+a b c
+1 1 1
+100 100 100
+select * from t10 where c=<'2';
+You have an error in your SQL syntax; check the manual that corresponds to your MatrixOne server version for the right syntax to use. syntax error at position 28;
+select * from t10 where c is NULL;
+a b c
+select * from t10 where c='';
+a b c
+select * from t10 where c like '%a%';
+a b c
+10 null false
+10 false
+10 aabsdfsb false
+10 aa,bb false
+10 aa%bb false
+select * from t10 where c like '%a\%%';
+a b c
+select * from t10 where c like '%,bb';
+a b c
+select * from t10 where c like 'aa,%';
+a b c
+select c,count(c) from t10 group by c;
+c count(c)
+1 1
+2 2
+100 1
+false 5
+select * from t10 order by c;
+a b c
+1 1 1
+100 100 100
+1 2 2
+1 1 2
+10 null false
+10 false
+10 aabsdfsb false
+10 aa,bb false
+10 aa%bb false
+drop table t10;
+drop table if exists t11;
+create table t11 (a text);
+insert into t11 values ('111'),('222'),('333');
+drop table if exists t12;
+create table t12 (b text);
+insert into t12 values ('aaa'),('bbb'),('ccc');
+select * from t11 join t12 on t11.a!=t12.b;
+a b
+111 aaa
+111 bbb
+111 ccc
+222 aaa
+222 bbb
+222 ccc
+333 aaa
+333 bbb
+333 ccc
+select * from t11 left join t12 on t11.a!=t12.b;
+a b
+111 aaa
+111 bbb
+111 ccc
+222 aaa
+222 bbb
+222 ccc
+333 aaa
+333 bbb
+333 ccc
+select * from t11 right join t12 on t11.a!=t12.b;
+a b
+111 aaa
+222 aaa
+333 aaa
+111 bbb
+222 bbb
+333 bbb
+111 ccc
+222 ccc
+333 ccc
+select * from t11 union select * from t12;
+Can't cast column from TEXT type to TINYINT type because of one or more values in that column.
+select * from t11 union all select * from t12;
+Can't cast column from TEXT type to TINYINT type because of one or more values in that column.