155 lines
4.6 KiB
SQL
155 lines
4.6 KiB
SQL
--
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-- VARCHAR
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--
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CREATE TABLE VARCHAR_TBL(f1 varchar(1));
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INSERT INTO VARCHAR_TBL (f1) VALUES ('a');
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INSERT INTO VARCHAR_TBL (f1) VALUES ('A');
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-- any of the following three input formats are acceptable
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INSERT INTO VARCHAR_TBL (f1) VALUES ('1');
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INSERT INTO VARCHAR_TBL (f1) VALUES (2);
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INSERT INTO VARCHAR_TBL (f1) VALUES ('3');
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-- zero-length char
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INSERT INTO VARCHAR_TBL (f1) VALUES ('');
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-- try varchar's of greater than 1 length
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INSERT INTO VARCHAR_TBL (f1) VALUES ('cd');
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INSERT INTO VARCHAR_TBL (f1) VALUES ('c ');
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SELECT '' AS seven, * FROM VARCHAR_TBL;
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SELECT '' AS six, c.*
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FROM VARCHAR_TBL c
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WHERE c.f1 <> 'a';
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SELECT '' AS one, c.*
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FROM VARCHAR_TBL c
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WHERE c.f1 = 'a';
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SELECT '' AS five, c.*
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FROM VARCHAR_TBL c
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WHERE c.f1 < 'a';
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SELECT '' AS six, c.*
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FROM VARCHAR_TBL c
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WHERE c.f1 <= 'a';
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SELECT '' AS one, c.*
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FROM VARCHAR_TBL c
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WHERE c.f1 > 'a';
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SELECT '' AS two, c.*
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FROM VARCHAR_TBL c
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WHERE c.f1 >= 'a';
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DROP TABLE VARCHAR_TBL;
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--
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-- Now test longer arrays of char
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--
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CREATE TABLE VARCHAR_TBL(f1 varchar(4));
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INSERT INTO VARCHAR_TBL (f1) VALUES ('a');
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INSERT INTO VARCHAR_TBL (f1) VALUES ('ab');
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INSERT INTO VARCHAR_TBL (f1) VALUES ('abcd');
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INSERT INTO VARCHAR_TBL (f1) VALUES ('abcde');
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INSERT INTO VARCHAR_TBL (f1) VALUES ('abcd ');
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SELECT '' AS four, * FROM VARCHAR_TBL;
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create table tab_1(col1 varchar(3));
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create table tab_2(col2 char(3));
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insert into tab_2 values(' ');
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insert into tab_1 select col2 from tab_2;
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select * from tab_1 where col1 is null;
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select * from tab_1 where col1=' ';
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delete from tab_1;
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set behavior_compat_options = 'char_coerce_compat';
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insert into tab_1 select col2 from tab_2;
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select * from tab_1 where col1 is null;
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select * from tab_1 where col1=' ';
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set behavior_compat_options = '';
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drop table tab_1;
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drop table tab_2;
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select length(rtrim('123 '));
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set behavior_compat_options = 'char_coerce_compat';
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select length(rtrim('123 '));
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set behavior_compat_options = '';
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set behavior_compat_options = 'char_coerce_compat';
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create table tbl_111 (id int);
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insert into tbl_111 values(1);
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select count(*) from tbl_111 where cast(' ' as char(5)) = cast(' ' as varchar(5));
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select count(*) from tbl_111 where cast('abc ' as char(10)) = cast('abc ' as varchar(10));
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select count(*) from tbl_111 where cast(' ' as char(5)) != cast(' ' as varchar(5));
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select count(*) from tbl_111 where cast('abc ' as char(10)) != cast('abc ' as varchar(10));
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select count(*) from tbl_111 where cast(' ' as char(5)) > cast(' ' as varchar(5));
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select count(*) from tbl_111 where cast('abc ' as char(10)) > cast('abc ' as varchar(10));
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select count(*) from tbl_111 where cast(' ' as char(5)) >= cast(' ' as varchar(5));
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select count(*) from tbl_111 where cast('abc ' as char(10)) >= cast('abc ' as varchar(10));
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select count(*) from tbl_111 where cast(' ' as char(5)) < cast(' ' as varchar(5));
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select count(*) from tbl_111 where cast('abc ' as char(10)) < cast('abc ' as varchar(10));
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select count(*) from tbl_111 where cast(' ' as char(5)) <= cast(' ' as varchar(5));
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select count(*) from tbl_111 where cast('abc ' as char(10)) <= cast('abc ' as varchar(10));
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drop table tbl_111;
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create table tbl_111 (a char(5), b varchar(5));
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insert into tbl_111 values (' ', ' ');
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insert into tbl_111 values ('abc ', 'abc ');
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select count(*) from tbl_111 where a = b;
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select count(*) from tbl_111 where a != b;
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select count(*) from tbl_111 where a > b;
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select count(*) from tbl_111 where a >= b;
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select count(*) from tbl_111 where a < b;
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select count(*) from tbl_111 where a <= b;
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set try_vector_engine_strategy='force';
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select count(*) from tbl_111 where a = b;
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select count(*) from tbl_111 where a != b;
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select count(*) from tbl_111 where a > b;
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select count(*) from tbl_111 where a >= b;
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select count(*) from tbl_111 where a < b;
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select count(*) from tbl_111 where a <= b;
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set try_vector_engine_strategy='off';
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drop table tbl_111;
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create table tbl_111 (a char(5), b varchar(5)) with (orientation = column);
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insert into tbl_111 values (' ', ' ');
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insert into tbl_111 values ('abc ', 'abc ');
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select count(*) from tbl_111 where a = b;
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select count(*) from tbl_111 where a != b;
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select count(*) from tbl_111 where a > b;
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select count(*) from tbl_111 where a >= b;
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select count(*) from tbl_111 where a < b;
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select count(*) from tbl_111 where a <= b;
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set enable_codegen to true;
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set codegen_cost_threshold to 0;
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select count(*) from tbl_111 where a = b;
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select count(*) from tbl_111 where a != b;
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select count(*) from tbl_111 where a > b;
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select count(*) from tbl_111 where a >= b;
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select count(*) from tbl_111 where a < b;
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select count(*) from tbl_111 where a <= b;
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drop table tbl_111;
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set behavior_compat_options = '';
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