servers::postgres

Struct PostgresServerHandlerInner

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pub struct PostgresServerHandlerInner {
    query_handler: ServerSqlQueryHandlerRef,
    login_verifier: PgLoginVerifier,
    force_tls: bool,
    param_provider: Arc<GreptimeDBStartupParameters>,
    session: Arc<Session>,
    query_parser: Arc<DefaultQueryParser>,
}

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§query_handler: ServerSqlQueryHandlerRef§login_verifier: PgLoginVerifier§force_tls: bool§param_provider: Arc<GreptimeDBStartupParameters>§session: Arc<Session>§query_parser: Arc<DefaultQueryParser>

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impl ErrorHandler for PostgresServerHandlerInner

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fn on_error<C>(&self, _client: &C, error: &mut PgWireError)
where C: ClientInfo,

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impl ExtendedQueryHandler for PostgresServerHandlerInner

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type Statement = SqlPlan

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type QueryParser = DefaultQueryParser

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fn query_parser(&self) -> Arc<Self::QueryParser>

Get a reference to associated QueryParser implementation
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fn do_query<'a, 'life0, 'life1, 'async_trait, C>( &'life0 self, client: &'life1 mut C, portal: &'a Portal<Self::Statement>, _max_rows: usize, ) -> Pin<Box<dyn Future<Output = PgWireResult<Response<'a>>> + Send + 'async_trait>>
where C: ClientInfo + Sink<PgWireBackendMessage> + Unpin + Send + Sync + 'async_trait, C::Error: Debug, PgWireError: From<<C as Sink<PgWireBackendMessage>>::Error>, Self: 'async_trait, 'a: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

This is the main implementation for query execution. Context has been provided: Read more
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fn do_describe_statement<'life0, 'life1, 'life2, 'async_trait, C>( &'life0 self, _client: &'life1 mut C, stmt: &'life2 StoredStatement<Self::Statement>, ) -> Pin<Box<dyn Future<Output = PgWireResult<DescribeStatementResponse>> + Send + 'async_trait>>
where C: ClientInfo + Unpin + Send + Sync + 'async_trait, Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Return resultset metadata without actually executing statement
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fn do_describe_portal<'life0, 'life1, 'life2, 'async_trait, C>( &'life0 self, _client: &'life1 mut C, portal: &'life2 Portal<Self::Statement>, ) -> Pin<Box<dyn Future<Output = PgWireResult<DescribePortalResponse>> + Send + 'async_trait>>
where C: ClientInfo + Unpin + Send + Sync + 'async_trait, Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Return resultset metadata without actually executing portal
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fn on_parse<'life0, 'life1, 'async_trait, C>( &'life0 self, client: &'life1 mut C, message: Parse, ) -> Pin<Box<dyn Future<Output = Result<(), PgWireError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, C: ClientInfo + ClientPortalStore + Sink<PgWireBackendMessage> + Unpin + Send + Sync + 'async_trait, <C as ClientPortalStore>::PortalStore: PortalStore<Statement = Self::Statement>, <C as Sink<PgWireBackendMessage>>::Error: Debug, PgWireError: From<<C as Sink<PgWireBackendMessage>>::Error>, Self: 'async_trait,

Called when client sends parse command. Read more
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fn on_bind<'life0, 'life1, 'async_trait, C>( &'life0 self, client: &'life1 mut C, message: Bind, ) -> Pin<Box<dyn Future<Output = Result<(), PgWireError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, C: ClientInfo + ClientPortalStore + Sink<PgWireBackendMessage> + Unpin + Send + Sync + 'async_trait, <C as ClientPortalStore>::PortalStore: PortalStore<Statement = Self::Statement>, <C as Sink<PgWireBackendMessage>>::Error: Debug, PgWireError: From<<C as Sink<PgWireBackendMessage>>::Error>, Self: 'async_trait,

Called when client sends bind command. Read more
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fn on_execute<'life0, 'life1, 'async_trait, C>( &'life0 self, client: &'life1 mut C, message: Execute, ) -> Pin<Box<dyn Future<Output = Result<(), PgWireError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, C: ClientInfo + ClientPortalStore + Sink<PgWireBackendMessage> + Unpin + Send + Sync + 'async_trait, <C as ClientPortalStore>::PortalStore: PortalStore<Statement = Self::Statement>, <C as Sink<PgWireBackendMessage>>::Error: Debug, PgWireError: From<<C as Sink<PgWireBackendMessage>>::Error>, Self: 'async_trait,

Called when client sends execute command. Read more
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fn on_describe<'life0, 'life1, 'async_trait, C>( &'life0 self, client: &'life1 mut C, message: Describe, ) -> Pin<Box<dyn Future<Output = Result<(), PgWireError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, C: ClientInfo + ClientPortalStore + Sink<PgWireBackendMessage> + Unpin + Send + Sync + 'async_trait, <C as ClientPortalStore>::PortalStore: PortalStore<Statement = Self::Statement>, <C as Sink<PgWireBackendMessage>>::Error: Debug, PgWireError: From<<C as Sink<PgWireBackendMessage>>::Error>, Self: 'async_trait,

Called when client sends describe command. Read more
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fn on_flush<'life0, 'life1, 'async_trait, C>( &'life0 self, client: &'life1 mut C, _message: Flush, ) -> Pin<Box<dyn Future<Output = Result<(), PgWireError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, C: ClientInfo + Sink<PgWireBackendMessage> + Unpin + Send + Sync + 'async_trait, <C as Sink<PgWireBackendMessage>>::Error: Debug, PgWireError: From<<C as Sink<PgWireBackendMessage>>::Error>, Self: 'async_trait,

Called when client sends flush command. Read more
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fn on_sync<'life0, 'life1, 'async_trait, C>( &'life0 self, client: &'life1 mut C, _message: Sync, ) -> Pin<Box<dyn Future<Output = Result<(), PgWireError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, C: ClientInfo + Sink<PgWireBackendMessage> + Unpin + Send + Sync + 'async_trait, <C as Sink<PgWireBackendMessage>>::Error: Debug, PgWireError: From<<C as Sink<PgWireBackendMessage>>::Error>, Self: 'async_trait,

Called when client sends sync command. Read more
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fn on_close<'life0, 'life1, 'async_trait, C>( &'life0 self, client: &'life1 mut C, message: Close, ) -> Pin<Box<dyn Future<Output = Result<(), PgWireError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, C: ClientInfo + ClientPortalStore + Sink<PgWireBackendMessage> + Unpin + Send + Sync + 'async_trait, <C as ClientPortalStore>::PortalStore: PortalStore<Statement = Self::Statement>, <C as Sink<PgWireBackendMessage>>::Error: Debug, PgWireError: From<<C as Sink<PgWireBackendMessage>>::Error>, Self: 'async_trait,

Called when client sends close command. Read more
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impl SimpleQueryHandler for PostgresServerHandlerInner

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fn do_query<'a, 'life0, 'life1, 'async_trait, C>( &'life0 self, client: &'life1 mut C, query: &'a str, ) -> Pin<Box<dyn Future<Output = PgWireResult<Vec<Response<'a>>>> + Send + 'async_trait>>
where C: ClientInfo + Sink<PgWireBackendMessage> + Unpin + Send + Sync + 'async_trait, C::Error: Debug, PgWireError: From<<C as Sink<PgWireBackendMessage>>::Error>, Self: 'async_trait, 'a: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Provide your query implementation using the incoming query string.
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fn on_query<'life0, 'life1, 'async_trait, C>( &'life0 self, client: &'life1 mut C, query: Query, ) -> Pin<Box<dyn Future<Output = Result<(), PgWireError>> + Send + 'async_trait>>
where 'life0: 'async_trait, 'life1: 'async_trait, C: ClientInfo + Sink<PgWireBackendMessage> + Unpin + Send + Sync + 'async_trait, <C as Sink<PgWireBackendMessage>>::Error: Debug, PgWireError: From<<C as Sink<PgWireBackendMessage>>::Error>, Self: 'async_trait,

Executed on Query request arrived. This is how postgres respond to simple query. The default implementation calls do_query with the incoming query string. Read more
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impl StartupHandler for PostgresServerHandlerInner

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fn on_startup<'life0, 'life1, 'async_trait, C>( &'life0 self, client: &'life1 mut C, message: PgWireFrontendMessage, ) -> Pin<Box<dyn Future<Output = PgWireResult<()>> + Send + 'async_trait>>
where C: ClientInfo + Sink<PgWireBackendMessage> + Unpin + Send + 'async_trait, C::Error: Debug, PgWireError: From<<C as Sink<PgWireBackendMessage>>::Error>, Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

A generic frontend message callback during startup phase.

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