mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2026-05-31 04:10:38 +00:00
15ac8116ea
This commit introduces information_schema.views table. The VIEWS table provides information about views in databases.
169 lines
18 KiB
Plaintext
169 lines
18 KiB
Plaintext
--- test CREATE VIEW ---
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CREATE TABLE test_table(a STRING, ts TIMESTAMP TIME INDEX);
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Affected Rows: 0
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CREATE VIEW test_view;
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Error: 2000(InvalidSyntax), sql parser error: Expected AS, found: ; at Line: 1, Column 22
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CREATE VIEW test_view as DELETE FROM public.numbers;
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Error: 2000(InvalidSyntax), sql parser error: Expected SELECT, VALUES, or a subquery in the query body, found: DELETE at Line: 1, Column 26
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--- Table already exists ---
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CREATE VIEW test_table as SELECT * FROM public.numbers;
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Error: 4000(TableAlreadyExists), Table already exists: `greptime.public.test_table`
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--- Table already exists even when create_if_not_exists ---
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CREATE VIEW IF NOT EXISTS test_table as SELECT * FROM public.numbers;
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Error: 4000(TableAlreadyExists), Table already exists: `greptime.public.test_table`
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--- Table already exists even when or_replace ---
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CREATE OR REPLACE VIEW test_table as SELECT * FROM public.numbers;
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Error: 4000(TableAlreadyExists), Table already exists: `greptime.public.test_table`
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CREATE VIEW test_view as SELECT * FROM public.numbers;
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Affected Rows: 0
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--- View already exists ----
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CREATE VIEW test_view as SELECT * FROM public.numbers;
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Error: 4000(TableAlreadyExists), View already exists: `greptime.public.test_view`
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CREATE VIEW IF NOT EXISTS test_view as SELECT * FROM public.numbers;
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Affected Rows: 0
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CREATE OR REPLACE VIEW test_view as SELECT * FROM public.numbers;
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Affected Rows: 0
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SHOW TABLES;
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+------------+
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| Tables |
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+------------+
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| numbers |
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| test_table |
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| test_view |
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+------------+
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SHOW FULL TABLES;
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+------------+-----------------+
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| Tables | Table_type |
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+------------+-----------------+
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| numbers | LOCAL TEMPORARY |
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| test_table | BASE TABLE |
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| test_view | VIEW |
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+------------+-----------------+
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-- SQLNESS REPLACE (\s\d+\s) ID
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-- SQLNESS REPLACE (\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}) DATETIME
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SELECT * FROM INFORMATION_SCHEMA.TABLES ORDER BY TABLE_NAME, TABLE_TYPE;
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+---------------+--------------------+---------------------------------------+-----------------+----------+-------------+-----------------+--------------+------------------+----------------+-------------+---------+------------+------------+-----------+----------------+-------------------------+-------------+------------+-----------------+----------+----------------+---------------+-----------+
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| table_catalog | table_schema | table_name | table_type | table_id | data_length | max_data_length | index_length | max_index_length | avg_row_length | engine | version | row_format | table_rows | data_free | auto_increment | create_time | update_time | check_time | table_collation | checksum | create_options | table_comment | temporary |
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+---------------+--------------------+---------------------------------------+-----------------+----------+-------------+-----------------+--------------+------------------+----------------+-------------+---------+------------+------------+-----------+----------------+-------------------------+-------------+------------+-----------------+----------+----------------+---------------+-----------+
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| greptime | information_schema | build_info | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | character_sets | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | check_constraints | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | cluster_info | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | collation_character_set_applicability | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | collations | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | column_privileges | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | column_statistics | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | columns | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | engines | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | events | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | files | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | global_status | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | key_column_usage | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | public | numbers | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | test_engine |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | optimizer_trace | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | parameters | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | partitions | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | profiling | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | referential_constraints | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | region_peers | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | routines | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | runtime_metrics | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | schema_privileges | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | schemata | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | session_status | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | table_constraints | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | table_privileges | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | tables | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | public | test_table | BASE TABLE |ID |ID |ID |ID |ID |ID | mito |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | N |
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| greptime | public | test_view | VIEW |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | 1970-01-01T00:00:00 | | | |ID | | | N |
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| greptime | information_schema | triggers | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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| greptime | information_schema | views | LOCAL TEMPORARY |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | DATETIME | | | |ID | | | Y |
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+---------------+--------------------+---------------------------------------+-----------------+----------+-------------+-----------------+--------------+------------------+----------------+-------------+---------+------------+------------+-----------+----------------+-------------------------+-------------+------------+-----------------+----------+----------------+---------------+-----------+
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-- SQLNESS REPLACE (\s\d+\s) ID
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SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'VIEW';
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+---------------+--------------+------------+------------+----------+-------------+-----------------+--------------+------------------+----------------+--------+---------+------------+------------+-----------+----------------+---------------------+-------------+------------+-----------------+----------+----------------+---------------+-----------+
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| table_catalog | table_schema | table_name | table_type | table_id | data_length | max_data_length | index_length | max_index_length | avg_row_length | engine | version | row_format | table_rows | data_free | auto_increment | create_time | update_time | check_time | table_collation | checksum | create_options | table_comment | temporary |
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+---------------+--------------+------------+------------+----------+-------------+-----------------+--------------+------------------+----------------+--------+---------+------------+------------+-----------+----------------+---------------------+-------------+------------+-----------------+----------+----------------+---------------+-----------+
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| greptime | public | test_view | VIEW |ID |ID |ID |ID |ID |ID | |ID | Fixed |ID |ID |ID | 1970-01-01T00:00:00 | | | |ID | | | N |
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+---------------+--------------+------------+------------+----------+-------------+-----------------+--------------+------------------+----------------+--------+---------+------------+------------+-----------+----------------+---------------------+-------------+------------+-----------------+----------+----------------+---------------+-----------+
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SHOW COLUMNS FROM test_view;
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++
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++
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SHOW FULL COLUMNS FROM test_view;
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++
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SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'test_view';
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++
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++
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SELECT * FROM test_view LIMIT 10;
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+--------+
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| number |
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+--------+
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| 0 |
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| 1 |
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| 2 |
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+--------+
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DROP VIEW test_view;
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Affected Rows: 0
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DROP TABLE test_table;
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Affected Rows: 0
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SELECT * FROM test_view LIMIT 10;
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Error: 3000(PlanQuery), Failed to plan SQL: Error during planning: Table not found: greptime.public.test_view
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SHOW TABLES;
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+---------+
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| Tables |
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+---------+
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| numbers |
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+---------+
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