373 lines
11 KiB
Plaintext
373 lines
11 KiB
Plaintext
drop database if exists db_view;
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create database db_view;
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use db_view;
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drop view if exists v_mix_tv, v_mix_1, v_mix_2, v_mix_3, vv_mix_1, vv_1, vvv_1;
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drop view if exists view_v1, view_v2, view_v3, view_v4, view_v5, view_v6, view_v7;
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drop table if exists view_t1_not_null, view_t1_null_default, view_t1_not_null_default;
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drop view if exists view_v1_null_default, view_v1_not_null, view_v1_not_null_default;
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drop table if exists view_t1, view_t2, view_t3;
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set character_set_client = 45;
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create table view_t1(c1 int primary key, c2 int);
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create table view_t2(c3 int primary key, c4 int);
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create table view_t3(c1 int primary key, c2 int);
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insert into view_t1 values(1, 11), (2, 12), (3, 13);
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insert into view_t2 values(10, 111), (20, 112), (30, 113);
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insert into view_t3 values(100, 1111), (200, 1112), (300, 1113);
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create table view_t1_not_null(c1 int primary key, c2 int not null);
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create table view_t1_null_default(c1 int primary key, c2 int default 22222);
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create table view_t1_not_null_default(c1 int primary key, c2 int not null default 2222);
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create view view_v1_not_null as select c1,c2 from view_t1_not_null;
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create view view_v1_null_default as select c1,c2 from view_t1_null_default;
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create view view_v1_not_null_default as select c1,c2 from view_t1_not_null_default;
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create table table_t8(c1 int null,c2 int not null);
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create view view_v8 as select c1+c2 from table_t8;
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desc view_v8;
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Field Type Null Key Default Extra
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c1+c2 bigint(12) YES NULL
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create view view_v9 as select c1+c2 from table_t8 a;
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desc view_v9;
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Field Type Null Key Default Extra
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c1+c2 bigint(12) YES NULL
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drop table table_t8;
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drop view view_v8;
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drop view view_v9;
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create or replace view view_v1 as select c1,c2 from view_t1;
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select * from view_v1;
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c1 c2
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1 11
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2 12
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3 13
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create or replace view view_v2(c1, c2) as select c1, c2 from view_t1;
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select * from view_v2;
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c1 c2
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1 11
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2 12
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3 13
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create or replace view view_v3(c2) as select c2 from view_t1;
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select * from view_v3;
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c2
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11
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12
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13
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create or replace view view_v4(vc2) as select c2 as vc2 from view_t1;
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select * from view_v4;
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vc2
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11
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12
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13
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create or replace view view_v5(vc2) as select c2 as vc2 from view_t1;
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select * from view_v5;
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vc2
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11
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12
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13
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create or replace view view_v6 as select c1+1 from view_t1;
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select * from view_v6;
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c1+1
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2
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3
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4
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create or replace view view_v7(vc1,vc2) as select c1+1 as vc1, c2+2 as vc2 from view_t1;
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select * from view_v7;
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vc1 vc2
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2 13
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3 14
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4 15
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create or replace view v_2t_1 as select c1,c2,c3,c4 from view_t1, view_t2;
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select * from v_2t_1;
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c1 c2 c3 c4
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1 11 10 111
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1 11 20 112
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1 11 30 113
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2 12 10 111
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2 12 20 112
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2 12 30 113
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3 13 10 111
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3 13 20 112
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3 13 30 113
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create or replace view v_3t_1(vc1, vc2, vc3, vc4, vc5, vc6) as select view_t1.c1 as vc1, view_t1.c2 as vc2, view_t2.c3 as vc3, view_t2.c4 as vc4, view_t3.c1 as vc5, view_t3.c2 as vc6 from view_t1, view_t2, view_t3;
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select * from v_3t_1;
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vc1 vc2 vc3 vc4 vc5 vc6
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1 11 10 111 100 1111
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1 11 10 111 200 1112
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1 11 10 111 300 1113
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1 11 20 112 100 1111
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1 11 20 112 200 1112
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1 11 20 112 300 1113
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1 11 30 113 100 1111
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1 11 30 113 200 1112
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1 11 30 113 300 1113
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2 12 10 111 100 1111
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2 12 10 111 200 1112
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2 12 10 111 300 1113
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2 12 20 112 100 1111
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2 12 20 112 200 1112
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2 12 20 112 300 1113
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2 12 30 113 100 1111
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2 12 30 113 200 1112
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2 12 30 113 300 1113
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3 13 10 111 100 1111
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3 13 10 111 200 1112
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3 13 10 111 300 1113
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3 13 20 112 100 1111
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3 13 20 112 200 1112
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3 13 20 112 300 1113
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3 13 30 113 100 1111
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3 13 30 113 200 1112
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3 13 30 113 300 1113
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create or replace view vv_1 as select c1,c2 from view_v1;
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select * from vv_1;
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c1 c2
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1 11
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2 12
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3 13
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create or replace view vvv_1 as select c1,c2 from vv_1;
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select * from vvv_1;
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c1 c2
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1 11
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2 12
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3 13
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create view v_mix_1 as select c1,c2 from view_t1;
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create view vv_mix_1 as select c1,c2,c3,c4 from v_mix_1, view_t2;
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select * from (select * from (select * from view_t1) as v_test, view_t2) as vv_test;
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c1 c2 c3 c4
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1 11 10 111
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1 11 20 112
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1 11 30 113
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2 12 10 111
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2 12 20 112
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2 12 30 113
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3 13 10 111
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3 13 20 112
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3 13 30 113
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select * from vv_mix_1;
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c1 c2 c3 c4
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1 11 10 111
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1 11 20 112
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1 11 30 113
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2 12 10 111
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2 12 20 112
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2 12 30 113
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3 13 10 111
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3 13 20 112
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3 13 30 113
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create or replace view v_mix_3 as select c1,c2 from view_t1;
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select * from v_mix_3;
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c1 c2
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1 11
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2 12
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3 13
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drop view if exists v_mix_tv, v_mix_1, v_mix_2, v_mix_3, vv_mix_1, vv_mix_2, vv_mix_3, vv_1, vvv_1;
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drop view if exists v_2t_1, v_3t_1;
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drop view if exists view_v1, view_v2, view_v3, view_v4, view_v5, view_v6, view_v7;
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drop table if exists view_t1_not_null, view_t1_null_default, view_t1_not_null_default;
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drop view if exists view_v1_null_default, view_v1_not_null, view_v1_not_null_default;
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drop table if exists view_t1, view_t2, view_t3;
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drop view if exists v1,v2,v3;
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drop table if exists t1;
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create table t1(c1 int primary key);
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insert into t1 values(1),(2);
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create view v1 as select c1 from t1;
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create view v2 as (select c1 from t1);
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create view v3 as ((select c1 from t1));
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insert into t1 values(3),(4);
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select * from v1;
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c1
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1
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2
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3
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4
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select * from v2;
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c1
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1
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2
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3
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4
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select * from v3;
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c1
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1
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2
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3
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4
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drop view if exists v1,v2,v3;
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drop table if exists t1;
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drop table if exists t1;
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drop view if exists v1;
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create table t1(c1 varchar(10));
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insert into t1 value('test1');
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insert into t1 value('test2');
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create view v1 as select c1 from t1;
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select v1.c1 from v1 join t1 on v1.c1 = t1.c1;
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c1
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test1
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test2
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show create view v1;
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View Create View character_set_client collation_connection
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v1 CREATE VIEW `v1` AS select `db_view`.`t1`.`c1` AS `c1` from `db_view`.`t1` utf8mb4 utf8mb4_general_ci
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drop table if exists t1;
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drop view if exists v1;
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drop table if exists t1;
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drop view if exists v1;
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create table t1(c1 int, c2 int);
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insert into t1 values(1,1);
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select * from t1;
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c1 c2
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1 1
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create or replace view v1 as select c1 from t1;
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select * from v1;
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c1
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1
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create or replace view v1 as select c1,c2 from t1;
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select * from v1;
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c1 c2
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1 1
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show create view v1;
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View Create View character_set_client collation_connection
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v1 CREATE VIEW `v1` AS select `db_view`.`t1`.`c1` AS `c1`,`db_view`.`t1`.`c2` AS `c2` from `db_view`.`t1` utf8mb4 utf8mb4_general_ci
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create view v1 as select c2 from t1;
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ERROR 42S01: Table 'v1' already exists
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drop view v1;
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drop table t1;
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drop table if exists t1;
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drop view if exists v1;
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create table t1(c1 int,c2 int);
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create table t2(a int,b int);
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create view v as select c1,c2 from t1;
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create view vv as select c1,c2,a,b from v,t2;
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select * from v;
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c1 c2
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select c1 from v;
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c1
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select * from vv;
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c1 c2 a b
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select c1 from vv;
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c1
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alter table t1 drop column c2;
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select * from v;
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ERROR 42S22: View 'db_view.v' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
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select * from vv;
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ERROR 42S22: View 'db_view.v' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
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select c1 from v;
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ERROR 42S22: View 'db_view.v' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
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select c1 from vv;
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ERROR 42S22: View 'db_view.v' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
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select c2 from v;
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ERROR 42S22: View 'db_view.v' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
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select c2 from vv;
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ERROR 42S22: View 'db_view.v' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
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alter table t1 add column c2 int;
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select * from v;
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c1 c2
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select * from vv;
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c1 c2 a b
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drop table t1;
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select * from v;
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ERROR 42S22: View 'db_view.v' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
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select * from vv;
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ERROR 42S22: View 'db_view.v' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
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create table t1(c1 varchar(10), c2 datetime);
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select * from v;
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c1 c2
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select * from vv;
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c1 c2 a b
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drop table t1;
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create table t1(c1 varchar(10), c2 datetime, c3 int);
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select * from v;
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c1 c2
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select * from vv;
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c1 c2 a b
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drop table t1;
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create table t1(c1 int,c2 int);
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insert into t1 values(1,10),(2,11);
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select * from v;
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c1 c2
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1 10
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2 11
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select * from vv;
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c1 c2 a b
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drop table t1;
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create table t1(c1 varchar(10), c2 double, c3 int);
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insert into t1 values('hello', 100.10, 1),('hello', 100.11,2);
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select * from v;
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c1 c2
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hello 100.1
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hello 100.11
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select * from v;
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c1 c2
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hello 100.1
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hello 100.11
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drop table t1;
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drop view v;
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create table t1(c1 int, c2 int);
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insert into t1 values(1,1), (2,2);
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create view v as select 5 from t1 order by 1;
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select * from v;
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5
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5
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5
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create view v1 as select * from t1 where c1>'1';
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show create view v1;
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View Create View character_set_client collation_connection
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v1 CREATE VIEW `v1` AS select `db_view`.`t1`.`c1` AS `c1`,`db_view`.`t1`.`c2` AS `c2` from `db_view`.`t1` where (`db_view`.`t1`.`c1` > '1') utf8mb4 utf8mb4_general_ci
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select * from v1;
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c1 c2
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2 2
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drop view v, v1;
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create view v as select 5, 6 from t1 order by 1,2;
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select * from v;
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5 6
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5 6
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5 6
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drop view v;
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create view v as select c1 + 1 from t1 order by 1;
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select * from v;
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c1 + 1
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2
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3
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drop view v;
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create view v as select 7 + 3 from t1 order by 1;
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select * from v;
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7 + 3
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10
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10
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drop view v;
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drop table if exists t1;
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create table t1(a int, b int);
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insert into t1 values (1,1);
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create view v as select group_concat(b) from t1 group by a;
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select * from v;
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group_concat(b)
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1
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drop table if exists t1;
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drop view if exists v;
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create table t1(c1 datetime, c2 int);
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insert into t1 values('1990-03-03 00:00:00', 2), ('2016-05-31 20:00:00', 3);
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create view v as select * from t1 where c1>'1990-04-01 00:00:00';
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show create view v;
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View Create View character_set_client collation_connection
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v CREATE VIEW `v` AS select `db_view`.`t1`.`c1` AS `c1`,`db_view`.`t1`.`c2` AS `c2` from `db_view`.`t1` where (`db_view`.`t1`.`c1` > '1990-04-01 00:00:00') utf8mb4 utf8mb4_general_ci
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select * from v;
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c1 c2
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2016-05-31 20:00:00 3
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drop view if exists v;
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drop table if exists t1;
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drop view if exists v1, v2;
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Warnings:
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Note 1051 Unknown table 'db_view.v1'
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Note 1051 Unknown table 'db_view.v2'
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create table t1(col1 varchar(12) character set utf8mb4 collate utf8mb4_general_ci);
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insert into t1 values('t1_val');
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create view v1 as select 'v1_val' collate utf8mb4_general_ci as col1;
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show create view v1;
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View Create View character_set_client collation_connection
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v1 CREATE VIEW `v1` AS select 'v1_val' collate utf8mb4_general_ci AS `col1` utf8mb4 utf8mb4_general_ci
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create view v2 as select col1 from v1 union select col1 from t1;
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show create view v2;
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View Create View character_set_client collation_connection
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v2 CREATE VIEW `v2` AS (select `db_view`.`v1`.`col1` AS `col1` from `db_view`.`v1`) union (select `db_view`.`t1`.`col1` AS `col1` from `db_view`.`t1`) utf8mb4 utf8mb4_general_ci
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select coercibility(col1), collation(col1) from v2;
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coercibility(col1) collation(col1)
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0 utf8mb4_general_ci
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0 utf8mb4_general_ci
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drop database if exists db_view;
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