pub struct DropTableExecutor {
table: TableName,
table_id: TableId,
drop_if_exists: bool,
}
Expand description
DropTableExecutor performs:
- Drops the metadata of the table.
- Invalidates the cache on the Frontend nodes.
- Drops the regions on the Datanode nodes.
Fields§
§table: TableName
§table_id: TableId
§drop_if_exists: bool
Implementations§
Source§impl DropTableExecutor
impl DropTableExecutor
Sourcepub fn new(table: TableName, table_id: TableId, drop_if_exists: bool) -> Self
pub fn new(table: TableName, table_id: TableId, drop_if_exists: bool) -> Self
Returns the DropTableExecutor.
Source§impl DropTableExecutor
impl DropTableExecutor
Sourcepub async fn on_prepare(&self, ctx: &DdlContext) -> Result<Control<()>>
pub async fn on_prepare(&self, ctx: &DdlContext) -> Result<Control<()>>
Checks whether table exists.
- Early returns if table not exists and
drop_if_exists
istrue
. - Throws an error if table not exists and
drop_if_exists
isfalse
.
Sourcepub async fn on_delete_metadata(
&self,
ctx: &DdlContext,
table_route_value: &TableRouteValue,
region_wal_options: &HashMap<RegionNumber, WalOptions>,
) -> Result<()>
pub async fn on_delete_metadata( &self, ctx: &DdlContext, table_route_value: &TableRouteValue, region_wal_options: &HashMap<RegionNumber, WalOptions>, ) -> Result<()>
Deletes the table metadata logically.
Sourcepub async fn on_delete_metadata_tombstone(
&self,
ctx: &DdlContext,
table_route_value: &TableRouteValue,
region_wal_options: &HashMap<u32, WalOptions>,
) -> Result<()>
pub async fn on_delete_metadata_tombstone( &self, ctx: &DdlContext, table_route_value: &TableRouteValue, region_wal_options: &HashMap<u32, WalOptions>, ) -> Result<()>
Deletes the table metadata tombstone permanently.
Sourcepub async fn on_destroy_metadata(
&self,
ctx: &DdlContext,
table_route_value: &TableRouteValue,
region_wal_options: &HashMap<u32, WalOptions>,
) -> Result<()>
pub async fn on_destroy_metadata( &self, ctx: &DdlContext, table_route_value: &TableRouteValue, region_wal_options: &HashMap<u32, WalOptions>, ) -> Result<()>
Deletes metadata for table permanently.
Sourcepub async fn on_restore_metadata(
&self,
ctx: &DdlContext,
table_route_value: &TableRouteValue,
region_wal_options: &HashMap<u32, WalOptions>,
) -> Result<()>
pub async fn on_restore_metadata( &self, ctx: &DdlContext, table_route_value: &TableRouteValue, region_wal_options: &HashMap<u32, WalOptions>, ) -> Result<()>
Restores the table metadata.
Sourcepub async fn invalidate_table_cache(&self, ctx: &DdlContext) -> Result<()>
pub async fn invalidate_table_cache(&self, ctx: &DdlContext) -> Result<()>
Invalidates caches for the table.
Sourcepub async fn on_drop_regions(
&self,
ctx: &DdlContext,
region_routes: &[RegionRoute],
fast_path: bool,
) -> Result<()>
pub async fn on_drop_regions( &self, ctx: &DdlContext, region_routes: &[RegionRoute], fast_path: bool, ) -> Result<()>
Drops region on datanode.
Auto Trait Implementations§
impl Freeze for DropTableExecutor
impl RefUnwindSafe for DropTableExecutor
impl Send for DropTableExecutor
impl Sync for DropTableExecutor
impl Unpin for DropTableExecutor
impl UnwindSafe for DropTableExecutor
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