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feat: add information_schema.files #3054

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merged 3 commits into from Dec 31, 2023
Merged

feat: add information_schema.files #3054

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31d390e
feat: add information_schema.files
dimbtp Dec 29, 2023
69441ed
fix: update information_schema.result
dimbtp Dec 29, 2023
970759f
fix: change `EXTRA` field type to string
dimbtp Dec 30, 2023
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2 changes: 2 additions & 0 deletions src/catalog/src/information_schema.rs
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Expand Up @@ -58,6 +58,7 @@ lazy_static! {
COLLATION_CHARACTER_SET_APPLICABILITY,
CHECK_CONSTRAINTS,
EVENTS,
FILES,
];
}

Expand Down Expand Up @@ -171,6 +172,7 @@ impl InformationSchemaProvider {
}
CHECK_CONSTRAINTS => setup_memory_table!(CHECK_CONSTRAINTS),
EVENTS => setup_memory_table!(EVENTS),
FILES => setup_memory_table!(FILES),
SCHEMATA => Some(Arc::new(InformationSchemaSchemata::new(
self.catalog_name.clone(),
self.catalog_manager.clone(),
Expand Down
44 changes: 44 additions & 0 deletions src/catalog/src/information_schema/memory_table/tables.rs
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Expand Up @@ -183,6 +183,50 @@ pub fn get_schema_columns(table_name: &str) -> (SchemaRef, Vec<VectorRef>) {
vec![],
),

FILES => (
vec![
bigint_column("FILE_ID"),
string_column("FILE_NAME"),
string_column("FILE_TYPE"),
string_column("TABLESPACE_NAME"),
string_column("TABLE_CATALOG"),
string_column("TABLE_SCHEMA"),
string_column("TABLE_NAME"),
string_column("LOGFILE_GROUP_NAME"),
bigint_column("LOGFILE_GROUP_NUMBER"),
string_column("ENGINE"),
string_column("FULLTEXT_KEYS"),
bigint_column("DELETED_ROWS"),
bigint_column("UPDATE_COUNT"),
bigint_column("FREE_EXTENTS"),
bigint_column("TOTAL_EXTENTS"),
bigint_column("EXTENT_SIZE"),
bigint_column("INITIAL_SIZE"),
bigint_column("MAXIMUM_SIZE"),
bigint_column("AUTOEXTEND_SIZE"),
datetime_column("CREATION_TIME"),
datetime_column("LAST_UPDATE_TIME"),
datetime_column("LAST_ACCESS_TIME"),
datetime_column("RECOVER_TIME"),
bigint_column("TRANSACTION_COUNTER"),
string_column("VERSION"),
string_column("ROW_FORMAT"),
bigint_column("TABLE_ROWS"),
bigint_column("AVG_ROW_LENGTH"),
bigint_column("DATA_LENGTH"),
bigint_column("MAX_DATA_LENGTH"),
bigint_column("INDEX_LENGTH"),
bigint_column("DATA_FREE"),
datetime_column("CREATE_TIME"),
datetime_column("UPDATE_TIME"),
datetime_column("CHECK_TIME"),
string_column("CHECKSUM"),
string_column("STATUS"),
bigint_column("EXTRA"),
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],
vec![],
),

_ => unreachable!("Unknown table in information_schema: {}", table_name),
};

Expand Down
1 change: 1 addition & 0 deletions src/catalog/src/information_schema/table_names.rs
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Expand Up @@ -25,4 +25,5 @@ pub const COLLATIONS: &str = "collations";
pub const COLLATION_CHARACTER_SET_APPLICABILITY: &str = "collation_character_set_applicability";
pub const CHECK_CONSTRAINTS: &str = "check_constraints";
pub const EVENTS: &str = "events";
pub const FILES: &str = "files";
pub const SCHEMATA: &str = "schemata";
4 changes: 3 additions & 1 deletion src/common/catalog/src/consts.rs
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Expand Up @@ -54,8 +54,10 @@ pub const INFORMATION_SCHEMA_COLLATION_CHARACTER_SET_APPLICABILITY_TABLE_ID: u32
pub const INFORMATION_SCHEMA_CHECK_CONSTRAINTS_TABLE_ID: u32 = 12;
/// id for information_schema.EVENTS
pub const INFORMATION_SCHEMA_EVENTS_TABLE_ID: u32 = 13;
/// id for information_schema.FILES
pub const INFORMATION_SCHEMA_FILES_TABLE_ID: u32 = 14;
/// id for information_schema.SCHEMATA
pub const INFORMATION_SCHEMA_SCHEMATA_TABLE_ID: u32 = 14;
pub const INFORMATION_SCHEMA_SCHEMATA_TABLE_ID: u32 = 15;
/// ----- End of information_schema tables -----

pub const MITO_ENGINE: &str = "mito";
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1 change: 1 addition & 0 deletions tests/cases/standalone/common/show/show_databases_tables.result
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Expand Up @@ -30,6 +30,7 @@ show tables;
| columns |
| engines |
| events |
| files |
| schemata |
| tables |
+---------------------------------------+
Expand Down