feat(frontend): support AS OF syntax

src/frontend/src/binder/relation/mod.rs

@@ -19,7 +19,8 @@ use itertools::{EitherOrBoth, Itertools};
 use risingwave_common::bail;
 use risingwave_common::catalog::{Field, TableId, DEFAULT_SCHEMA_NAME};
 use risingwave_sqlparser::ast::{
-    Expr as ParserExpr, FunctionArg, FunctionArgExpr, Ident, ObjectName, TableAlias, TableFactor,
+    AsOf, Expr as ParserExpr, FunctionArg, FunctionArgExpr, Ident, ObjectName, TableAlias,
+    TableFactor,
 };
 use thiserror::Error;
 use thiserror_ext::AsReport;
@@ -333,7 +334,7 @@ impl Binder {
         &mut self,
         name: ObjectName,
         alias: Option<TableAlias>,
-        for_system_time_as_of_proctime: bool,
+        as_of: Option<AsOf>,
     ) -> Result<Relation> {
         let (schema_name, table_name) = Self::resolve_schema_qualified_name(&self.db_name, name)?;
         if schema_name.is_none()
@@ -376,12 +377,7 @@ impl Binder {
             }));
             Ok(share_relation)
         } else {
-            self.bind_relation_by_name_inner(
-                schema_name.as_deref(),
-                &table_name,
-                alias,
-                for_system_time_as_of_proctime,
-            )
+            self.bind_relation_by_name_inner(schema_name.as_deref(), &table_name, alias, as_of)
         }
     }
 
@@ -401,7 +397,7 @@ impl Binder {
         }?;
 
         Ok((
-            self.bind_relation_by_name(table_name.clone(), None, false)?,
+            self.bind_relation_by_name(table_name.clone(), None, None)?,
             table_name,
         ))
     }
@@ -451,16 +447,14 @@ impl Binder {
             .map_or(DEFAULT_SCHEMA_NAME.to_string(), |arg| arg.to_string());
 
         let table_name = self.catalog.get_table_name_by_id(table_id)?;
-        self.bind_relation_by_name_inner(Some(&schema), &table_name, alias, false)
+        self.bind_relation_by_name_inner(Some(&schema), &table_name, alias, None)
     }
 
     pub(super) fn bind_table_factor(&mut self, table_factor: TableFactor) -> Result<Relation> {
         match table_factor {
-            TableFactor::Table {
-                name,
-                alias,
-                for_system_time_as_of_proctime,
-            } => self.bind_relation_by_name(name, alias, for_system_time_as_of_proctime),
+            TableFactor::Table { name, alias, as_of } => {
+                self.bind_relation_by_name(name, alias, as_of)
+            }
             TableFactor::TableFunction {
                 name,
                 alias,

src/frontend/src/binder/relation/table_function.rs

@@ -72,7 +72,7 @@ impl Binder {
                     Some(PG_CATALOG_SCHEMA_NAME),
                     PG_KEYWORDS_TABLE_NAME,
                     alias,
-                    false,
+                    None,
                 );
             }
         }

src/frontend/src/binder/relation/table_or_source.rs

@@ -19,7 +19,7 @@ use risingwave_common::bail_not_implemented;
 use risingwave_common::catalog::{is_system_schema, Field};
 use risingwave_common::session_config::USER_NAME_WILD_CARD;
 use risingwave_connector::WithPropertiesExt;
-use risingwave_sqlparser::ast::{Statement, TableAlias};
+use risingwave_sqlparser::ast::{AsOf, Statement, TableAlias};
 use risingwave_sqlparser::parser::Parser;
 use thiserror_ext::AsReport;
 
@@ -39,7 +39,7 @@ pub struct BoundBaseTable {
     pub table_id: TableId,
     pub table_catalog: Arc<TableCatalog>,
     pub table_indexes: Vec<Arc<IndexCatalog>>,
-    pub for_system_time_as_of_proctime: bool,
+    pub as_of: Option<AsOf>,
 }
 
 #[derive(Debug, Clone)]
@@ -51,6 +51,7 @@ pub struct BoundSystemTable {
 #[derive(Debug, Clone)]
 pub struct BoundSource {
     pub catalog: SourceCatalog,
+    pub as_of: Option<AsOf>,
 }
 
 impl BoundSource {
@@ -59,20 +60,14 @@ impl BoundSource {
     }
 }
 
-impl From<&SourceCatalog> for BoundSource {
-    fn from(s: &SourceCatalog) -> Self {
-        Self { catalog: s.clone() }
-    }
-}
-
 impl Binder {
     /// Binds table or source, or logical view according to what we get from the catalog.
     pub fn bind_relation_by_name_inner(
         &mut self,
         schema_name: Option<&str>,
         table_name: &str,
         alias: Option<TableAlias>,
-        for_system_time_as_of_proctime: bool,
+        as_of: Option<AsOf>,
     ) -> Result<Relation> {
         // define some helper functions converting catalog to bound relation
         let resolve_sys_table_relation = |sys_table_catalog: &Arc<SystemTableCatalog>| {
@@ -124,16 +119,12 @@ impl Binder {
                         self.catalog
                             .get_table_by_name(&self.db_name, schema_path, table_name)
                     {
-                        self.resolve_table_relation(
-                            table_catalog.clone(),
-                            schema_name,
-                            for_system_time_as_of_proctime,
-                        )?
+                        self.resolve_table_relation(table_catalog.clone(), schema_name, as_of)?
                     } else if let Ok((source_catalog, _)) =
                         self.catalog
                             .get_source_by_name(&self.db_name, schema_path, table_name)
                     {
-                        self.resolve_source_relation(&source_catalog.clone())
+                        self.resolve_source_relation(&source_catalog.clone(), as_of)
                     } else if let Ok((view_catalog, _)) =
                         self.catalog
                             .get_view_by_name(&self.db_name, schema_path, table_name)
@@ -171,14 +162,13 @@ impl Binder {
                                     return self.resolve_table_relation(
                                         table_catalog.clone(),
                                         &schema_name.clone(),
-                                        for_system_time_as_of_proctime,
+                                        as_of,
                                     );
                                 } else if let Some(source_catalog) =
                                     schema.get_source_by_name(table_name)
                                 {
-                                    return Ok(
-                                        self.resolve_source_relation(&source_catalog.clone())
-                                    );
+                                    return Ok(self
+                                        .resolve_source_relation(&source_catalog.clone(), as_of));
                                 } else if let Some(view_catalog) =
                                     schema.get_view_by_name(table_name)
                                 {
@@ -201,7 +191,7 @@ impl Binder {
         &mut self,
         table_catalog: Arc<TableCatalog>,
         schema_name: &str,
-        for_system_time_as_of_proctime: bool,
+        as_of: Option<AsOf>,
     ) -> Result<(Relation, Vec<(bool, Field)>)> {
         let table_id = table_catalog.id();
         let columns = table_catalog
@@ -216,7 +206,7 @@ impl Binder {
             table_id,
             table_catalog,
             table_indexes,
-            for_system_time_as_of_proctime,
+            as_of,
         };
 
         Ok::<_, RwError>((Relation::BaseTable(Box::new(table)), columns))
@@ -225,10 +215,14 @@ impl Binder {
     fn resolve_source_relation(
         &mut self,
         source_catalog: &SourceCatalog,
+        as_of: Option<AsOf>,
     ) -> (Relation, Vec<(bool, Field)>) {
         self.included_relations.insert(source_catalog.id.into());
         (
-            Relation::Source(Box::new(source_catalog.into())),
+            Relation::Source(Box::new(BoundSource {
+                catalog: source_catalog.clone(),
+                as_of,
+            })),
             source_catalog
                 .columns
                 .iter()
@@ -334,7 +328,7 @@ impl Binder {
             table_id,
             table_catalog,
             table_indexes,
-            for_system_time_as_of_proctime: false,
+            as_of: None,
         })
     }
 

src/frontend/src/handler/create_index.rs

@@ -332,7 +332,7 @@ fn assemble_materialize(
         // Index table has no indexes.
         vec![],
         context,
-        false,
+        None,
         cardinality,
     );
 

src/frontend/src/handler/create_sink.rs

@@ -70,7 +70,7 @@ pub fn gen_sink_subscription_query_from_name(from_name: ObjectName) -> Result<Qu
     let table_factor = TableFactor::Table {
         name: from_name,
         alias: None,
-        for_system_time_as_of_proctime: false,
+        as_of: None,
     };
     let from = vec![TableWithJoins {
         relation: table_factor,

src/frontend/src/handler/create_source.rs

@@ -1424,6 +1424,7 @@ pub async fn handle_create_source(
                 Rc::new(SourceCatalog::from(&source)),
                 SourceNodeKind::CreateSourceWithStreamjob,
                 context.into(),
+                None,
             )?;
 
             // generate stream graph for cdc source job

src/frontend/src/handler/create_table.rs

@@ -697,6 +697,7 @@ fn gen_table_plan_inner(
         row_id_index,
         SourceNodeKind::CreateTable,
         context.clone(),
+        None,
     )?
     .into();
 

src/frontend/src/handler/describe.rs

@@ -36,7 +36,7 @@ pub fn handle_describe(handler_args: HandlerArgs, object_name: ObjectName) -> Re
 
     // Vec<ColumnCatalog>, Vec<ColumnDesc>, Vec<ColumnDesc>, Vec<Arc<IndexCatalog>>, String, Option<String>
     let (columns, pk_columns, dist_columns, indices, relname, description) =
-        if let Ok(relation) = binder.bind_relation_by_name(object_name.clone(), None, false) {
+        if let Ok(relation) = binder.bind_relation_by_name(object_name.clone(), None, None) {
             match relation {
                 Relation::Source(s) => {
                     let pk_column_catalogs = s

src/frontend/src/handler/show.rs

@@ -43,7 +43,7 @@ pub fn get_columns_from_table(
     table_name: ObjectName,
 ) -> Result<Vec<ColumnCatalog>> {
     let mut binder = Binder::new_for_system(session);
-    let relation = binder.bind_relation_by_name(table_name.clone(), None, false)?;
+    let relation = binder.bind_relation_by_name(table_name.clone(), None, None)?;
     let column_catalogs = match relation {
         Relation::Source(s) => s.catalog.columns,
         Relation::BaseTable(t) => t.table_catalog.columns.clone(),
@@ -89,7 +89,7 @@ pub fn get_indexes_from_table(
     table_name: ObjectName,
 ) -> Result<Vec<Arc<IndexCatalog>>> {
     let mut binder = Binder::new_for_system(session);
-    let relation = binder.bind_relation_by_name(table_name.clone(), None, false)?;
+    let relation = binder.bind_relation_by_name(table_name.clone(), None, None)?;
     let indexes = match relation {
         Relation::BaseTable(t) => t.table_indexes,
         _ => {

src/frontend/src/optimizer/mod.rs

@@ -633,6 +633,7 @@ impl PlanRoot {
                 row_id_index,
                 SourceNodeKind::CreateTable,
                 context.clone(),
+                None,
             )
             .and_then(|s| s.to_stream(&mut ToStreamContext::new(false)))?;
 

src/frontend/src/optimizer/plan_node/generic/scan.rs

@@ -22,6 +22,7 @@ use pretty_xmlish::Pretty;
 use risingwave_common::catalog::{ColumnDesc, Field, Schema, TableDesc};
 use risingwave_common::util::column_index_mapping::ColIndexMapping;
 use risingwave_common::util::sort_util::ColumnOrder;
+use risingwave_sqlparser::ast::AsOf;
 
 use super::GenericPlanNode;
 use crate::catalog::table_catalog::TableType;
@@ -54,7 +55,10 @@ pub struct Scan {
     /// The pushed down predicates. It refers to column indexes of the table.
     pub predicate: Condition,
     /// syntax `FOR SYSTEM_TIME AS OF PROCTIME()` is used for temporal join.
-    pub for_system_time_as_of_proctime: bool,
+    /// syntax `FOR SYSTEM_TIME AS OF '1986-10-26 01:21:00'` is used for iceberg.
+    /// syntax `FOR SYSTEM_TIME AS OF 499162860` is used for iceberg.
+    /// syntax `FOR SYSTEM_VERSION AS OF 10963874102873;` is used for iceberg.
+    pub as_of: Option<AsOf>,
     /// The cardinality of the table **without** applying the predicate.
     pub table_cardinality: Cardinality,
     #[educe(PartialEq(ignore))]
@@ -235,7 +239,7 @@ impl Scan {
             vec![],
             self.ctx.clone(),
             new_predicate,
-            self.for_system_time_as_of_proctime,
+            self.as_of.clone(),
             self.table_cardinality,
         )
     }
@@ -249,7 +253,7 @@ impl Scan {
         indexes: Vec<Rc<IndexCatalog>>,
         ctx: OptimizerContextRef,
         predicate: Condition, // refers to column indexes of the table
-        for_system_time_as_of_proctime: bool,
+        as_of: Option<AsOf>,
         table_cardinality: Cardinality,
     ) -> Self {
         Self::new_inner(
@@ -259,7 +263,7 @@ impl Scan {
             indexes,
             ctx,
             predicate,
-            for_system_time_as_of_proctime,
+            as_of,
             table_cardinality,
         )
     }
@@ -272,7 +276,7 @@ impl Scan {
         indexes: Vec<Rc<IndexCatalog>>,
         ctx: OptimizerContextRef,
         predicate: Condition, // refers to column indexes of the table
-        for_system_time_as_of_proctime: bool,
+        as_of: Option<AsOf>,
         table_cardinality: Cardinality,
     ) -> Self {
         // here we have 3 concepts
@@ -301,7 +305,7 @@ impl Scan {
             table_desc,
             indexes,
             predicate,
-            for_system_time_as_of_proctime,
+            as_of,
             table_cardinality,
             ctx,
         }

src/frontend/src/optimizer/plan_node/generic/source.rs

@@ -21,6 +21,7 @@ use risingwave_common::catalog::{ColumnCatalog, Field, Schema};
 use risingwave_common::types::DataType;
 use risingwave_common::util::sort_util::OrderType;
 use risingwave_connector::WithPropertiesExt;
+use risingwave_sqlparser::ast::AsOf;
 
 use super::super::utils::TableCatalogBuilder;
 use super::GenericPlanNode;
@@ -66,6 +67,8 @@ pub struct Source {
 
     /// Kafka timestamp range, currently we only support kafka, so we just leave it like this.
     pub(crate) kafka_timestamp_range: (Bound<i64>, Bound<i64>),
+
+    pub as_of: Option<AsOf>,
 }
 
 impl GenericPlanNode for Source {

src/frontend/src/optimizer/plan_node/logical_join.rs

@@ -19,6 +19,7 @@ use itertools::{EitherOrBoth, Itertools};
 use pretty_xmlish::{Pretty, XmlNode};
 use risingwave_pb::plan_common::JoinType;
 use risingwave_pb::stream_plan::StreamScanType;
+use risingwave_sqlparser::ast::AsOf;
 
 use super::generic::{
     push_down_into_join, push_down_join_condition, GenericPlanNode, GenericPlanRef,
@@ -932,7 +933,7 @@ impl LogicalJoin {
     fn should_be_temporal_join(&self) -> bool {
         let right = self.right();
         if let Some(logical_scan) = right.as_logical_scan() {
-            logical_scan.for_system_time_as_of_proctime()
+            matches!(logical_scan.as_of(), Some(AsOf::ProcessTime))
         } else {
             false
         }
@@ -999,7 +1000,7 @@ impl LogicalJoin {
             )));
         };
 
-        if !logical_scan.for_system_time_as_of_proctime() {
+        if !matches!(logical_scan.as_of(), Some(AsOf::ProcessTime)) {
             return Err(RwError::from(ErrorCode::NotSupported(
                 "Temporal join requires a table defined as temporal table".into(),
                 "Please use FOR SYSTEM_TIME AS OF PROCTIME() syntax".into(),