Merge pull request #35480 from ClickHouse/fix_34586

Fix show create for information_schema
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tavplubix 2022-03-21 22:20:34 +03:00 committed by GitHub
commit 2fdc937ae1
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3 changed files with 7 additions and 0 deletions

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@ -32,6 +32,8 @@ static void createInformationSchemaView(ContextMutablePtr context, IDatabase & d
auto & ast_create = ast->as<ASTCreateQuery &>();
assert(view_name == ast_create.getTable());
ast_create.attach = false;
ast_create.setDatabase(database.getDatabaseName());
if (is_uppercase)
ast_create.setTable(Poco::toUpper(view_name));

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@ -1 +1,4 @@
CREATE DATABASE INFORMATION_SCHEMA\nENGINE = Memory
CREATE VIEW INFORMATION_SCHEMA.COLUMNS\n(\n `table_catalog` String,\n `table_schema` String,\n `table_name` String,\n `column_name` String,\n `ordinal_position` UInt64,\n `column_default` String,\n `is_nullable` UInt8,\n `data_type` String,\n `character_maximum_length` Nullable(UInt64),\n `character_octet_length` Nullable(UInt64),\n `numeric_precision` Nullable(UInt64),\n `numeric_precision_radix` Nullable(UInt64),\n `numeric_scale` Nullable(UInt64),\n `datetime_precision` Nullable(UInt64),\n `character_set_catalog` Nullable(String),\n `character_set_schema` Nullable(String),\n `character_set_name` Nullable(String),\n `collation_catalog` Nullable(String),\n `collation_schema` Nullable(String),\n `collation_name` Nullable(String),\n `domain_catalog` Nullable(String),\n `domain_schema` Nullable(String),\n `domain_name` Nullable(String),\n `column_comment` String,\n `column_type` String,\n `TABLE_CATALOG` String ALIAS table_catalog,\n `TABLE_SCHEMA` String ALIAS table_schema,\n `TABLE_NAME` String ALIAS table_name,\n `COLUMN_NAME` String ALIAS column_name,\n `ORDINAL_POSITION` UInt64 ALIAS ordinal_position,\n `COLUMN_DEFAULT` String ALIAS column_default,\n `IS_NULLABLE` UInt8 ALIAS is_nullable,\n `DATA_TYPE` String ALIAS data_type,\n `CHARACTER_MAXIMUM_LENGTH` Nullable(UInt64) ALIAS character_maximum_length,\n `CHARACTER_OCTET_LENGTH` Nullable(UInt64) ALIAS character_octet_length,\n `NUMERIC_PRECISION` Nullable(UInt64) ALIAS numeric_precision,\n `NUMERIC_PRECISION_RADIX` Nullable(UInt64) ALIAS numeric_precision_radix,\n `NUMERIC_SCALE` Nullable(UInt64) ALIAS numeric_scale,\n `DATETIME_PRECISION` Nullable(UInt64) ALIAS datetime_precision,\n `CHARACTER_SET_CATALOG` Nullable(String) ALIAS character_set_catalog,\n `CHARACTER_SET_SCHEMA` Nullable(String) ALIAS character_set_schema,\n `CHARACTER_SET_NAME` Nullable(String) ALIAS character_set_name,\n `COLLATION_CATALOG` Nullable(String) ALIAS collation_catalog,\n `COLLATION_SCHEMA` Nullable(String) ALIAS collation_schema,\n `COLLATION_NAME` Nullable(String) ALIAS collation_name,\n `DOMAIN_CATALOG` Nullable(String) ALIAS domain_catalog,\n `DOMAIN_SCHEMA` Nullable(String) ALIAS domain_schema,\n `DOMAIN_NAME` Nullable(String) ALIAS domain_name,\n `COLUMN_COMMENT` String ALIAS column_comment,\n `COLUMN_TYPE` String ALIAS column_type\n) AS\nSELECT\n database AS table_catalog,\n database AS table_schema,\n table AS table_name,\n name AS column_name,\n position AS ordinal_position,\n default_expression AS column_default,\n type LIKE \'Nullable(%)\' AS is_nullable,\n type AS data_type,\n character_octet_length AS character_maximum_length,\n character_octet_length,\n numeric_precision,\n numeric_precision_radix,\n numeric_scale,\n datetime_precision,\n NULL AS character_set_catalog,\n NULL AS character_set_schema,\n NULL AS character_set_name,\n NULL AS collation_catalog,\n NULL AS collation_schema,\n NULL AS collation_name,\n NULL AS domain_catalog,\n NULL AS domain_schema,\n NULL AS domain_name,\n comment AS column_comment,\n type AS column_type\nFROM system.columns
CREATE VIEW INFORMATION_SCHEMA.TABLES (`table_catalog` String, `table_schema` String, `table_name` String, `table_type` Enum8(\'BASE TABLE\' = 1, \'VIEW\' = 2, \'FOREIGN TABLE\' = 3, \'LOCAL TEMPORARY\' = 4, \'SYSTEM VIEW\' = 5), `TABLE_CATALOG` String ALIAS table_catalog, `TABLE_SCHEMA` String ALIAS table_schema, `TABLE_NAME` String ALIAS table_name, `TABLE_TYPE` Enum8(\'BASE TABLE\' = 1, \'VIEW\' = 2, \'FOREIGN TABLE\' = 3, \'LOCAL TEMPORARY\' = 4, \'SYSTEM VIEW\' = 5) ALIAS table_type) AS SELECT database AS table_catalog, database AS table_schema, name AS table_name, multiIf(is_temporary, 4, engine LIKE \'%View\', 2, engine LIKE \'System%\', 5, has_own_data = 0, 3, 1) AS table_type FROM system.tables
CREATE VIEW information_schema.tables (`table_catalog` String, `table_schema` String, `table_name` String, `table_type` Enum8(\'BASE TABLE\' = 1, \'VIEW\' = 2, \'FOREIGN TABLE\' = 3, \'LOCAL TEMPORARY\' = 4, \'SYSTEM VIEW\' = 5), `TABLE_CATALOG` String ALIAS table_catalog, `TABLE_SCHEMA` String ALIAS table_schema, `TABLE_NAME` String ALIAS table_name, `TABLE_TYPE` Enum8(\'BASE TABLE\' = 1, \'VIEW\' = 2, \'FOREIGN TABLE\' = 3, \'LOCAL TEMPORARY\' = 4, \'SYSTEM VIEW\' = 5) ALIAS table_type) AS SELECT database AS table_catalog, database AS table_schema, name AS table_name, multiIf(is_temporary, 4, engine LIKE \'%View\', 2, engine LIKE \'System%\', 5, has_own_data = 0, 3, 1) AS table_type FROM system.tables

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@ -1 +1,3 @@
SHOW CREATE DATABASE INFORMATION_SCHEMA;
SHOW CREATE INFORMATION_SCHEMA.COLUMNS;
SELECT create_table_query FROM system.tables WHERE database ILIKE 'INFORMATION_SCHEMA' AND table ILIKE 'TABLES'; -- supress style check: database = currentDatabase()