mirror of
https://github.com/GreptimeTeam/greptimedb.git
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15ac8116ea
This commit introduces information_schema.views table. The VIEWS table provides information about views in databases.
67 lines
2.4 KiB
Plaintext
67 lines
2.4 KiB
Plaintext
--- test information_schema.views ----
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create schema test_information_schema_views;
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Affected Rows: 1
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use test_information_schema_views;
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Affected Rows: 0
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USE test_information_schema_views;
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Affected Rows: 0
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create table t1 (ts timestamp time index, val1 int);
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Affected Rows: 0
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create table t2 (ts timestamp time index, val2 int primary key);
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Affected Rows: 0
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create view myview as select * from t1 where val1 > 5;
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Affected Rows: 0
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create view myview2 as select * from t2 inner join t1 on t1.val1 = t2.val2;
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Affected Rows: 0
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select table_catalog, table_schema, table_name, view_definition from information_schema.views order by table_name;
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+---------------+-------------------------------+------------+----------------------------------------------------------------------+
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| table_catalog | table_schema | table_name | view_definition |
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+---------------+-------------------------------+------------+----------------------------------------------------------------------+
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| greptime | test_information_schema_views | myview | CREATE VIEW myview AS SELECT * FROM t1 WHERE val1 > 5 |
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| greptime | test_information_schema_views | myview2 | CREATE VIEW myview2 AS SELECT * FROM t2 JOIN t1 ON t1.val1 = t2.val2 |
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+---------------+-------------------------------+------------+----------------------------------------------------------------------+
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drop view myview;
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Affected Rows: 0
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select table_catalog, table_schema, table_name, view_definition from information_schema.views order by table_name;
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+---------------+-------------------------------+------------+----------------------------------------------------------------------+
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| table_catalog | table_schema | table_name | view_definition |
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+---------------+-------------------------------+------------+----------------------------------------------------------------------+
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| greptime | test_information_schema_views | myview2 | CREATE VIEW myview2 AS SELECT * FROM t2 JOIN t1 ON t1.val1 = t2.val2 |
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+---------------+-------------------------------+------------+----------------------------------------------------------------------+
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drop view myview2;
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Affected Rows: 0
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drop table t1, t2;
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Affected Rows: 0
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USE public;
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Affected Rows: 0
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drop schema test_information_schema_views;
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Affected Rows: 0
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