feat: show create table (#1336)

* temp commit

* feat: impl Display for CreateTable statement

* feat: impl show create table for standalone

* fix: forgot show.rs

* feat: clean code

* fix: typo

* feat: impl show create table for distributed

* test: add show create table sqlness test

* fix: typo

* fix: sqlness tests

* feat: render partition rules for distributed table

* Update src/sql/src/statements.rs

Co-authored-by: Yingwen <realevenyag@gmail.com>

* Update src/sql/src/statements.rs

Co-authored-by: Yingwen <realevenyag@gmail.com>

* Update src/sql/src/statements.rs

Co-authored-by: Yingwen <realevenyag@gmail.com>

* Update src/sql/src/statements/create.rs

Co-authored-by: Yingwen <realevenyag@gmail.com>

* chore: by CR comments

* fix: compile error

* fix: missing column comments and extra table options

* test: add show create table test

* test: add show create table test

* chore: timestamp precision

* fix: test

---------

Co-authored-by: Yingwen <realevenyag@gmail.com>
This commit is contained in:
dennis zhuang
2023-04-21 11:37:16 +08:00
committed by GitHub
co-authored by Yingwen
parent d5e4662181
commit 2a9f482bc7
31 changed files with 1015 additions and 69 deletions
+8
View File
@@ -104,6 +104,14 @@ impl Instance {
.execute(SqlRequest::DropTable(req), query_ctx)
.await
}
Statement::ShowCreateTable(show) => {
let (catalog, schema, table) =
table_idents_to_full_name(&show.table_name, query_ctx.clone())?;
let table_ref = TableReference::full(&catalog, &schema, &table);
let table = self.sql_handler.get_table(&table_ref).await?;
query::sql::show_create_table(table, None).context(ExecuteStatementSnafu)
}
_ => NotSupportSqlSnafu {
msg: format!("not supported to execute {stmt:?}"),
}
+4 -5
View File
@@ -23,9 +23,8 @@ use session::context::QueryContextRef;
use snafu::{ensure, OptionExt, ResultExt};
use sql::ast::{ColumnOption, TableConstraint};
use sql::statements::column_def_to_schema;
use sql::statements::create::CreateTable;
use sql::statements::create::{CreateTable, TIME_INDEX};
use sql::util::to_lowercase_options_map;
use store_api::storage::consts::TIME_INDEX_NAME;
use table::engine::{EngineContext, TableReference};
use table::metadata::TableId;
use table::requests::*;
@@ -224,7 +223,7 @@ impl SqlHandler {
is_primary,
} => {
if let Some(name) = name {
if name.value == TIME_INDEX_NAME {
if name.value == TIME_INDEX {
ts_index = *col_map.get(&columns[0].value).context(
KeyColumnNotFoundSnafu {
name: columns[0].value.to_string(),
@@ -340,7 +339,7 @@ mod tests {
async fn test_create_table_with_options() {
let sql = r#"
CREATE TABLE demo_table (
"timestamp" BIGINT TIME INDEX,
"timestamp" BIGINT TIME INDEX,
"value" DOUBLE,
host STRING PRIMARY KEY
) engine=mito with(regions=1, ttl='7days',write_buffer_size='32MB',some='other');"#;
@@ -364,7 +363,7 @@ mod tests {
let parsed_stmt = sql_to_statement(
r#"
CREATE TABLE demo_table(
"timestamp" BIGINT TIME INDEX,
"timestamp" BIGINT TIME INDEX,
"value" DOUBLE,
host STRING PRIMARY KEY
) engine=mito with(regions=1);"#,
+1 -2
View File
@@ -20,13 +20,12 @@ use std::collections::HashMap;
use std::sync::Arc;
use arrow::datatypes::{Field, Schema as ArrowSchema};
pub use column_schema::TIME_INDEX_KEY;
use datafusion_common::DFSchemaRef;
use snafu::{ensure, ResultExt};
use crate::data_type::DataType;
use crate::error::{self, Error, Result};
pub use crate::schema::column_schema::{ColumnSchema, Metadata};
pub use crate::schema::column_schema::{ColumnSchema, Metadata, COMMENT_KEY, TIME_INDEX_KEY};
pub use crate::schema::constraint::ColumnDefaultConstraint;
pub use crate::schema::raw::RawSchema;
@@ -28,6 +28,7 @@ pub type Metadata = HashMap<String, String>;
/// Key used to store whether the column is time index in arrow field's metadata.
pub const TIME_INDEX_KEY: &str = "greptime:time_index";
pub const COMMENT_KEY: &str = "greptime:storage:comment";
/// Key used to store default constraint in arrow field's metadata.
const DEFAULT_CONSTRAINT_KEY: &str = "greptime:default_constraint";
@@ -78,6 +79,11 @@ impl ColumnSchema {
&self.metadata
}
#[inline]
pub fn mut_metadata(&mut self) -> &mut Metadata {
&mut self.metadata
}
pub fn with_time_index(mut self, is_time_index: bool) -> Self {
self.is_time_index = is_time_index;
if is_time_index {
+30 -5
View File
@@ -16,6 +16,7 @@ use std::any::Any;
use common_error::prelude::*;
use datafusion::parquet;
use datatypes::value::Value;
use snafu::Location;
use store_api::storage::RegionId;
@@ -64,6 +65,13 @@ pub enum Error {
source: sql::error::Error,
},
#[snafu(display("Failed to convert value to sql value: {}", value))]
ConvertSqlValue {
value: Value,
#[snafu(backtrace)]
source: sql::error::Error,
},
#[snafu(display("Missing insert values"))]
MissingInsertValues { location: Location },
@@ -173,13 +181,28 @@ pub enum Error {
location: Location,
},
#[snafu(display("Failed to find table route for table {}", table_name))]
#[snafu(display(
"Failed to find table route for table {}, source: {}",
table_name,
source
))]
FindTableRoute {
table_name: String,
#[snafu(backtrace)]
source: partition::error::Error,
},
#[snafu(display(
"Failed to find table partition rule for table {}, source: {}",
table_name,
source
))]
FindTablePartitionRule {
table_name: String,
#[snafu(backtrace)]
source: partition::error::Error,
},
#[snafu(display("Failed to create table info, source: {}", source))]
CreateTableInfo {
#[snafu(backtrace)]
@@ -483,7 +506,9 @@ impl ErrorExt for Error {
Error::StartServer { source, .. } => source.status_code(),
Error::ShutdownServer { source, .. } => source.status_code(),
Error::ParseSql { source } => source.status_code(),
Error::ConvertSqlValue { source, .. } | Error::ParseSql { source } => {
source.status_code()
}
Error::Table { source }
| Error::CopyTable { source, .. }
@@ -536,9 +561,9 @@ impl ErrorExt for Error {
Error::InvokeDatanode { source } => source.status_code(),
Error::External { source } => source.status_code(),
Error::DeserializePartition { source, .. } | Error::FindTableRoute { source, .. } => {
source.status_code()
}
Error::DeserializePartition { source, .. }
| Error::FindTablePartitionRule { source, .. }
| Error::FindTableRoute { source, .. } => source.status_code(),
Error::UnrecognizedTableOption { .. } => StatusCode::InvalidArguments,
Error::StartScriptManager { source } => source.status_code(),
+86 -15
View File
@@ -42,15 +42,16 @@ use meta_client::rpc::{
CompareAndPutRequest, CreateRequest as MetaCreateRequest, Partition as MetaPartition,
RouteRequest, RouteResponse, TableName,
};
use partition::manager::PartitionInfo;
use partition::partition::{PartitionBound, PartitionDef};
use query::error::QueryExecutionSnafu;
use query::query_engine::SqlStatementExecutor;
use session::context::QueryContextRef;
use snafu::{ensure, OptionExt, ResultExt};
use sql::ast::Value as SqlValue;
use sql::statements::create::Partitions;
use sql::statements::sql_value_to_value;
use sql::ast::{Ident, Value as SqlValue};
use sql::statements::create::{PartitionEntry, Partitions};
use sql::statements::statement::Statement;
use sql::statements::{self, sql_value_to_value};
use table::metadata::{RawTableInfo, RawTableMeta, TableIdent, TableType};
use table::requests::TableOptions;
use table::table::AlterContext;
@@ -68,6 +69,8 @@ use crate::error::{
use crate::expr_factory;
use crate::table::DistTable;
const MAX_VALUE: &str = "MAXVALUE";
#[derive(Clone)]
pub(crate) struct DistInstance {
meta_client: Arc<MetaClient>,
@@ -323,7 +326,7 @@ impl DistInstance {
database_name: stmt.name.to_string(),
create_if_not_exists: stmt.if_not_exists,
};
return self.handle_create_database(expr, query_ctx).await;
self.handle_create_database(expr, query_ctx).await
}
Statement::CreateTable(stmt) => {
let create_expr = &mut expr_factory::create_to_expr(&stmt, query_ctx)?;
@@ -332,7 +335,7 @@ impl DistInstance {
}
Statement::Alter(alter_table) => {
let expr = grpc::to_alter_expr(alter_table, query_ctx)?;
return self.handle_alter_table(expr).await;
self.handle_alter_table(expr).await
}
Statement::DropTable(stmt) => {
let (catalog, schema, table) =
@@ -340,7 +343,7 @@ impl DistInstance {
.map_err(BoxedError::new)
.context(error::ExternalSnafu)?;
let table_name = TableName::new(catalog, schema, table);
return self.drop_table(table_name).await;
self.drop_table(table_name).await
}
Statement::Insert(insert) => {
let (catalog, schema, table) =
@@ -360,18 +363,46 @@ impl DistInstance {
.await
.context(InvokeDatanodeSnafu)?;
return Ok(Output::AffectedRows(
Ok(Output::AffectedRows(
table.insert(insert_request).await.context(TableSnafu)?,
));
))
}
_ => {
return error::NotSupportedSnafu {
feat: format!("{stmt:?}"),
}
.fail()
Statement::ShowCreateTable(show) => {
let (catalog, schema, table) =
table_idents_to_full_name(&show.table_name, query_ctx.clone())
.map_err(BoxedError::new)
.context(error::ExternalSnafu)?;
let table_ref = self
.catalog_manager
.table(&catalog, &schema, &table)
.await
.context(CatalogSnafu)?
.context(TableNotFoundSnafu { table_name: &table })?;
let table_name = TableName::new(catalog, schema, table);
self.show_create_table(table_name, table_ref).await
}
_ => error::NotSupportedSnafu {
feat: format!("{stmt:?}"),
}
.fail(),
}
.context(error::ExecuteStatementSnafu)
}
async fn show_create_table(&self, table_name: TableName, table: TableRef) -> Result<Output> {
let partitions = self
.catalog_manager
.partition_manager()
.find_table_partitions(&table_name)
.await
.context(error::FindTablePartitionRuleSnafu {
table_name: &table_name.table_name,
})?;
let partitions = create_partitions_stmt(partitions)?;
query::sql::show_create_table(table, partitions).context(error::ExecuteStatementSnafu)
}
/// Handles distributed database creation
@@ -531,6 +562,46 @@ impl SqlStatementExecutor for DistInstance {
}
}
fn create_partitions_stmt(partitions: Vec<PartitionInfo>) -> Result<Option<Partitions>> {
if partitions.is_empty() {
return Ok(None);
}
let column_list: Vec<Ident> = partitions[0]
.partition
.partition_columns()
.iter()
.map(|name| name[..].into())
.collect();
let entries = partitions
.into_iter()
.map(|info| {
// Generated the partition name from id
let name = &format!("r{}", info.id);
let bounds = info.partition.partition_bounds();
let value_list = bounds
.iter()
.map(|b| match b {
PartitionBound::Value(v) => statements::value_to_sql_value(v)
.with_context(|_| error::ConvertSqlValueSnafu { value: v.clone() }),
PartitionBound::MaxValue => Ok(SqlValue::Number(MAX_VALUE.to_string(), false)),
})
.collect::<Result<Vec<_>>>()?;
Ok(PartitionEntry {
name: name[..].into(),
value_list,
})
})
.collect::<Result<Vec<_>>>()?;
Ok(Some(Partitions {
column_list,
entries,
}))
}
fn create_table_info(create_table: &CreateTableExpr) -> Result<RawTableInfo> {
let mut column_schemas = Vec::with_capacity(create_table.column_defs.len());
let mut column_name_to_index_map = HashMap::new();
@@ -651,7 +722,7 @@ fn find_partition_entries(
// indexing is safe here because we have checked that "value_list" and "column_list" are matched in size
let (column_name, data_type) = &column_name_and_type[i];
let v = match v {
SqlValue::Number(n, _) if n == "MAXVALUE" => PartitionBound::MaxValue,
SqlValue::Number(n, _) if n == MAX_VALUE => PartitionBound::MaxValue,
_ => PartitionBound::Value(
sql_value_to_value(column_name, data_type, v).context(ParseSqlSnafu)?,
),
+59
View File
@@ -79,6 +79,65 @@ async fn test_create_database_and_insert_query(instance: Arc<dyn MockInstance>)
}
}
#[apply(both_instances_cases)]
async fn test_show_create_table(instance: Arc<dyn MockInstance>) {
let frontend = instance.frontend();
let output = execute_sql(
&frontend,
r#"create table demo(
host STRING,
cpu DOUBLE,
memory DOUBLE,
ts bigint,
TIME INDEX(ts)
)"#,
)
.await;
assert!(matches!(output, Output::AffectedRows(0)));
let output = execute_sql(&frontend, "show create table demo").await;
let expected = if instance.is_distributed_mode() {
"\
+-------+--------------------------------------------+
| Table | Create Table |
+-------+--------------------------------------------+
| demo | CREATE TABLE IF NOT EXISTS demo ( |
| | host STRING NULL, |
| | cpu DOUBLE NULL, |
| | memory DOUBLE NULL, |
| | ts BIGINT NOT NULL, |
| | TIME INDEX (ts) |
| | ) |
| | PARTITION BY RANGE COLUMNS (ts) ( |
| | PARTITION r0 VALUES LESS THAN (MAXVALUE) |
| | ) |
| | ENGINE=mito |
| | |
+-------+--------------------------------------------+"
} else {
"\
+-------+-----------------------------------+
| Table | Create Table |
+-------+-----------------------------------+
| demo | CREATE TABLE IF NOT EXISTS demo ( |
| | host STRING NULL, |
| | cpu DOUBLE NULL, |
| | memory DOUBLE NULL, |
| | ts BIGINT NOT NULL, |
| | TIME INDEX (ts) |
| | ) |
| | ENGINE=mito |
| | WITH( |
| | regions = 1 |
| | ) |
+-------+-----------------------------------+"
};
check_output_stream(output, expected).await;
}
#[apply(both_instances_cases)]
async fn test_issue477_same_table_name_in_different_databases(instance: Arc<dyn MockInstance>) {
let instance = instance.frontend();
+32 -11
View File
@@ -20,7 +20,7 @@ use datafusion_expr::{BinaryExpr, Expr as DfExpr, Operator};
use datatypes::prelude::Value;
use meta_client::rpc::{Peer, TableName, TableRoute};
use snafu::{ensure, OptionExt, ResultExt};
use store_api::storage::RegionNumber;
use store_api::storage::{RegionId, RegionNumber};
use table::requests::InsertRequest;
use crate::columns::RangeColumnsPartitionRule;
@@ -41,6 +41,12 @@ pub struct PartitionRuleManager {
table_routes: Arc<TableRoutes>,
}
#[derive(Debug)]
pub struct PartitionInfo {
pub id: RegionId,
pub partition: PartitionDef,
}
impl PartitionRuleManager {
pub fn new(table_routes: Arc<TableRoutes>) -> Self {
Self { table_routes }
@@ -68,7 +74,7 @@ impl PartitionRuleManager {
.region_routes
.iter()
.find_map(|x| {
if x.region.id == *region as u64 {
if x.region.id == *region as RegionId {
x.leader_peer.clone()
} else {
None
@@ -86,8 +92,7 @@ impl PartitionRuleManager {
Ok(datanodes)
}
/// Get partition rule of given table.
pub async fn find_table_partition_rule(&self, table: &TableName) -> Result<PartitionRuleRef> {
pub async fn find_table_partitions(&self, table: &TableName) -> Result<Vec<PartitionInfo>> {
let route = self.table_routes.get_route(table).await?;
ensure!(
!route.region_routes.is_empty(),
@@ -107,20 +112,36 @@ impl PartitionRuleManager {
table_name: table.to_string(),
})?;
let partition_def = PartitionDef::try_from(partition)?;
partitions.push((r.region.id, partition_def));
partitions.push(PartitionInfo {
id: r.region.id,
partition: partition_def,
});
}
partitions.sort_by(|a, b| a.1.partition_bounds().cmp(b.1.partition_bounds()));
partitions.sort_by(|a, b| {
a.partition
.partition_bounds()
.cmp(b.partition.partition_bounds())
});
ensure!(
partitions
.windows(2)
.all(|w| w[0].1.partition_columns() == w[1].1.partition_columns()),
.all(|w| w[0].partition.partition_columns() == w[1].partition.partition_columns()),
error::InvalidTableRouteDataSnafu {
table_name: table.to_string(),
err_msg: "partition columns of all regions are not the same"
}
);
let partition_columns = partitions[0].1.partition_columns();
Ok(partitions)
}
/// Get partition rule of given table.
pub async fn find_table_partition_rule(&self, table: &TableName) -> Result<PartitionRuleRef> {
let partitions = self.find_table_partitions(table).await?;
let partition_columns = partitions[0].partition.partition_columns();
ensure!(
!partition_columns.is_empty(),
error::InvalidTableRouteDataSnafu {
@@ -131,7 +152,7 @@ impl PartitionRuleManager {
let regions = partitions
.iter()
.map(|x| x.0 as u32)
.map(|x| x.id as u32)
.collect::<Vec<RegionNumber>>();
// TODO(LFC): Serializing and deserializing partition rule is ugly, must find a much more elegant way.
@@ -140,7 +161,7 @@ impl PartitionRuleManager {
// Omit the last "MAXVALUE".
let bounds = partitions
.iter()
.filter_map(|(_, p)| match &p.partition_bounds()[0] {
.filter_map(|info| match &info.partition.partition_bounds()[0] {
PartitionBound::Value(v) => Some(v.clone()),
PartitionBound::MaxValue => None,
})
@@ -154,7 +175,7 @@ impl PartitionRuleManager {
_ => {
let bounds = partitions
.iter()
.map(|x| x.1.partition_bounds().clone())
.map(|x| x.partition.partition_bounds().clone())
.collect::<Vec<Vec<PartitionBound>>>();
Arc::new(RangeColumnsPartitionRule::new(
partition_columns.clone(),
+1
View File
@@ -27,6 +27,7 @@ datafusion-sql.workspace = true
datatypes = { path = "../datatypes" }
futures = "0.3"
futures-util.workspace = true
humantime = "2.1"
metrics.workspace = true
once_cell = "1.10"
promql = { path = "../promql" }
+17
View File
@@ -16,6 +16,8 @@ use std::any::Any;
use common_error::prelude::*;
use datafusion::error::DataFusionError;
use datatypes::prelude::ConcreteDataType;
use datatypes::value::Value;
use snafu::{Location, Snafu};
#[derive(Debug, Snafu)]
@@ -110,6 +112,20 @@ pub enum Error {
table_name: String,
location: Location,
},
#[snafu(display("Failed to convert value to sql value: {}", value))]
ConvertSqlValue {
value: Value,
#[snafu(backtrace)]
source: sql::error::Error,
},
#[snafu(display("Failed to convert concrete type to sql type: {:?}", datatype))]
ConvertSqlType {
datatype: ConcreteDataType,
#[snafu(backtrace)]
source: sql::error::Error,
},
}
impl ErrorExt for Error {
@@ -134,6 +150,7 @@ impl ErrorExt for Error {
DataFusion { .. } | MissingTimestampColumn { .. } => StatusCode::Internal,
Sql { source } => source.status_code(),
PlanSql { .. } => StatusCode::PlanQuery,
ConvertSqlType { source, .. } | ConvertSqlValue { source, .. } => source.status_code(),
}
}
+26
View File
@@ -12,6 +12,8 @@
// See the License for the specific language governing permissions and
// limitations under the License.
mod show;
use std::sync::Arc;
use catalog::CatalogManagerRef;
@@ -24,6 +26,7 @@ use datatypes::vectors::{Helper, StringVector};
use once_cell::sync::Lazy;
use session::context::QueryContextRef;
use snafu::{ensure, OptionExt, ResultExt};
use sql::statements::create::Partitions;
use sql::statements::show::{ShowDatabases, ShowKind, ShowTables};
use table::TableRef;
@@ -74,6 +77,13 @@ static DESCRIBE_TABLE_OUTPUT_SCHEMA: Lazy<Arc<Schema>> = Lazy::new(|| {
]))
});
static SHOW_CREATE_TABLE_OUTPUT_SCHEMA: Lazy<Arc<Schema>> = Lazy::new(|| {
Arc::new(Schema::new(vec![
ColumnSchema::new("Table", ConcreteDataType::string_datatype(), false),
ColumnSchema::new("Create Table", ConcreteDataType::string_datatype(), false),
]))
});
pub fn show_databases(stmt: ShowDatabases, catalog_manager: CatalogManagerRef) -> Result<Output> {
// TODO(LFC): supports WHERE
ensure!(
@@ -152,6 +162,22 @@ pub fn show_tables(
Ok(Output::RecordBatches(records))
}
pub fn show_create_table(table: TableRef, partitions: Option<Partitions>) -> Result<Output> {
let table_info = table.table_info();
let table_name = &table_info.name;
let mut stmt = show::create_table_stmt(&table_info)?;
stmt.partitions = partitions;
let sql = format!("{}", stmt);
let columns = vec![
Arc::new(StringVector::from(vec![table_name.clone()])) as _,
Arc::new(StringVector::from(vec![sql])) as _,
];
let records = RecordBatches::try_from_columns(SHOW_CREATE_TABLE_OUTPUT_SCHEMA.clone(), columns)
.context(error::CreateRecordBatchSnafu)?;
Ok(Output::RecordBatches(records))
}
pub fn describe_table(table: TableRef) -> Result<Output> {
let table_info = table.table_info();
let columns_schemas = table_info.meta.schema.column_schemas();
+262
View File
@@ -0,0 +1,262 @@
// Copyright 2023 Greptime Team
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use std::fmt::Display;
use datatypes::schema::{ColumnDefaultConstraint, ColumnSchema, SchemaRef, COMMENT_KEY};
use humantime::format_duration;
use snafu::ResultExt;
use sql::ast::{
ColumnDef, ColumnOption, ColumnOptionDef, Expr, ObjectName, SqlOption, TableConstraint,
Value as SqlValue,
};
use sql::dialect::GenericDialect;
use sql::parser::ParserContext;
use sql::statements::create::{CreateTable, TIME_INDEX};
use sql::statements::{self};
use table::metadata::{TableInfoRef, TableMeta};
use crate::error::{ConvertSqlTypeSnafu, ConvertSqlValueSnafu, Result, SqlSnafu};
#[inline]
fn number_value<T: Display>(n: T) -> SqlValue {
SqlValue::Number(format!("{}", n), false)
}
#[inline]
fn string_value(s: impl Into<String>) -> SqlValue {
SqlValue::SingleQuotedString(s.into())
}
#[inline]
fn sql_option(name: &str, value: SqlValue) -> SqlOption {
SqlOption {
name: name.into(),
value,
}
}
fn create_sql_options(table_meta: &TableMeta) -> Vec<SqlOption> {
let table_opts = &table_meta.options;
let mut options = Vec::with_capacity(4 + table_opts.extra_options.len());
if !table_meta.region_numbers.is_empty() {
options.push(sql_option(
"regions",
number_value(table_meta.region_numbers.len()),
));
}
if let Some(write_buffer_size) = table_opts.write_buffer_size {
options.push(sql_option(
"write_buffer_size",
string_value(write_buffer_size.to_string()),
));
}
if let Some(ttl) = table_opts.ttl {
options.push(sql_option(
"ttl",
string_value(format_duration(ttl).to_string()),
));
}
if let Some(w) = table_opts.compaction_time_window {
options.push(sql_option("compaction_time_window", number_value(w)));
}
for (k, v) in &table_opts.extra_options {
options.push(sql_option(k, string_value(v)));
}
options
}
#[inline]
fn column_option_def(option: ColumnOption) -> ColumnOptionDef {
ColumnOptionDef { name: None, option }
}
fn create_column_def(column_schema: &ColumnSchema) -> Result<ColumnDef> {
let name = &column_schema.name;
let mut options = Vec::with_capacity(2);
if column_schema.is_nullable() {
options.push(column_option_def(ColumnOption::Null));
} else {
options.push(column_option_def(ColumnOption::NotNull));
}
if let Some(c) = column_schema.default_constraint() {
let expr = match c {
ColumnDefaultConstraint::Value(v) => Expr::Value(
statements::value_to_sql_value(v)
.with_context(|_| ConvertSqlValueSnafu { value: v.clone() })?,
),
ColumnDefaultConstraint::Function(expr) => {
ParserContext::parse_function(expr, &GenericDialect {}).context(SqlSnafu)?
}
};
options.push(column_option_def(ColumnOption::Default(expr)));
}
if let Some(c) = column_schema.metadata().get(COMMENT_KEY) {
options.push(column_option_def(ColumnOption::Comment(c.to_string())));
}
Ok(ColumnDef {
name: name[..].into(),
data_type: statements::concrete_data_type_to_sql_data_type(&column_schema.data_type)
.with_context(|_| ConvertSqlTypeSnafu {
datatype: column_schema.data_type.clone(),
})?,
collation: None,
options,
})
}
fn create_table_constraints(schema: &SchemaRef, table_meta: &TableMeta) -> Vec<TableConstraint> {
let mut constraints = Vec::with_capacity(2);
if let Some(timestamp_column) = schema.timestamp_column() {
let column_name = &timestamp_column.name;
constraints.push(TableConstraint::Unique {
name: Some(TIME_INDEX.into()),
columns: vec![column_name[..].into()],
is_primary: false,
});
}
if !table_meta.primary_key_indices.is_empty() {
let columns = table_meta
.row_key_column_names()
.map(|name| name[..].into())
.collect();
constraints.push(TableConstraint::Unique {
name: None,
columns,
is_primary: true,
});
}
constraints
}
/// Create a CreateTable statement from table info.
pub fn create_table_stmt(table_info: &TableInfoRef) -> Result<CreateTable> {
let table_meta = &table_info.meta;
let table_name = &table_info.name;
let schema = &table_info.meta.schema;
let columns = schema
.column_schemas()
.iter()
.map(create_column_def)
.collect::<Result<Vec<_>>>()?;
let constraints = create_table_constraints(schema, table_meta);
Ok(CreateTable {
if_not_exists: true,
table_id: table_info.ident.table_id,
name: ObjectName(vec![table_name[..].into()]),
columns,
engine: table_meta.engine.clone(),
constraints,
options: create_sql_options(table_meta),
partitions: None,
})
}
#[cfg(test)]
mod tests {
use std::sync::Arc;
use common_time::timestamp::TimeUnit;
use datatypes::prelude::ConcreteDataType;
use datatypes::schema::{Schema, SchemaRef};
use table::metadata::*;
use super::*;
#[test]
fn test_show_create_table_sql() {
let schema = vec![
ColumnSchema::new("id", ConcreteDataType::uint32_datatype(), true),
ColumnSchema::new("host", ConcreteDataType::string_datatype(), true),
ColumnSchema::new("cpu", ConcreteDataType::float64_datatype(), true),
ColumnSchema::new("disk", ConcreteDataType::float32_datatype(), true),
ColumnSchema::new(
"ts",
ConcreteDataType::timestamp_datatype(TimeUnit::Millisecond),
false,
)
.with_default_constraint(Some(ColumnDefaultConstraint::Function(String::from(
"current_timestamp()",
))))
.unwrap()
.with_time_index(true),
];
let table_schema = SchemaRef::new(Schema::new(schema));
let table_name = "system_metrics";
let schema_name = "public".to_string();
let catalog_name = "greptime".to_string();
let regions = vec![0, 1, 2];
let meta = TableMetaBuilder::default()
.schema(table_schema)
.primary_key_indices(vec![0, 1])
.value_indices(vec![2, 3])
.engine("mito".to_string())
.next_column_id(0)
.engine_options(Default::default())
.options(Default::default())
.created_on(Default::default())
.region_numbers(regions)
.build()
.unwrap();
let info = Arc::new(
TableInfoBuilder::default()
.table_id(1024)
.table_version(0 as TableVersion)
.name(table_name)
.schema_name(schema_name)
.catalog_name(catalog_name)
.desc(None)
.table_type(TableType::Base)
.meta(meta)
.build()
.unwrap(),
);
let stmt = create_table_stmt(&info).unwrap();
let sql = format!("\n{}", stmt);
assert_eq!(
r#"
CREATE TABLE IF NOT EXISTS system_metrics (
id INT UNSIGNED NULL,
host STRING NULL,
cpu DOUBLE NULL,
disk FLOAT NULL,
ts TIMESTAMP(3) NOT NULL DEFAULT current_timestamp(),
TIME INDEX (ts),
PRIMARY KEY (id, host)
)
ENGINE=mito
WITH(
regions = 3
)"#,
sql
);
}
}
+13 -2
View File
@@ -17,12 +17,12 @@ use std::any::Any;
use common_error::prelude::*;
use common_time::timestamp::TimeUnit;
use common_time::Timestamp;
use datatypes::prelude::ConcreteDataType;
use datatypes::prelude::{ConcreteDataType, Value};
use snafu::Location;
use sqlparser::parser::ParserError;
use sqlparser::tokenizer::TokenizerError;
use crate::ast::Expr;
use crate::ast::{Expr, Value as SqlValue};
pub type Result<T> = std::result::Result<T, Error>;
@@ -145,6 +145,16 @@ pub enum Error {
statement: String,
location: Location,
},
#[snafu(display("Unable to convert sql value {} to datatype {:?}", value, datatype))]
ConvertSqlValue {
value: SqlValue,
datatype: ConcreteDataType,
location: Location,
},
#[snafu(display("Unable to convert value {} to sql value", value))]
ConvertValue { value: Value, location: Location },
}
impl ErrorExt for Error {
@@ -175,6 +185,7 @@ impl ErrorExt for Error {
SerializeColumnDefaultConstraint { source, .. } => source.status_code(),
ConvertToGrpcDataType { source, .. } => source.status_code(),
ConvertToDfStatement { .. } => StatusCode::Internal,
ConvertSqlValue { .. } | ConvertValue { .. } => StatusCode::Unsupported,
}
}
+20 -3
View File
@@ -18,6 +18,7 @@ use sqlparser::keywords::Keyword;
use sqlparser::parser::{Parser, ParserError};
use sqlparser::tokenizer::{Token, TokenWithLocation};
use crate::ast::{Expr, ObjectName};
use crate::error::{self, InvalidDatabaseNameSnafu, InvalidTableNameSnafu, Result, SyntaxSnafu};
use crate::parsers::tql_parser;
use crate::statements::describe::DescribeTable;
@@ -64,6 +65,17 @@ impl<'a> ParserContext<'a> {
Ok(stmts)
}
pub fn parse_function(sql: &'a str, dialect: &dyn Dialect) -> Result<Expr> {
let mut parser = Parser::new(dialect)
.try_with_sql(sql)
.context(SyntaxSnafu { sql })?;
let function_name = parser.parse_identifier().context(SyntaxSnafu { sql })?;
parser
.parse_function(ObjectName(vec![function_name]))
.context(SyntaxSnafu { sql })
}
/// Parses parser context to a set of statements.
pub fn parse_statement(&mut self) -> Result<Statement> {
match self.parser.peek_token().token {
@@ -174,9 +186,7 @@ impl<'a> ParserContext<'a> {
name: table_name.to_string(),
}
);
Ok(Statement::ShowCreateTable(ShowCreateTable {
table_name: table_name.to_string(),
}))
Ok(Statement::ShowCreateTable(ShowCreateTable { table_name }))
}
fn parse_show_tables(&mut self) -> Result<Statement> {
@@ -659,4 +669,11 @@ mod tests {
ConcreteDataType::timestamp_millisecond_datatype(),
);
}
#[test]
fn test_parse_function() {
let expr =
ParserContext::parse_function("current_timestamp()", &GenericDialect {}).unwrap();
assert!(matches!(expr, Expr::Function(_)));
}
}
+95 -12
View File
@@ -31,18 +31,19 @@ use api::helper::ColumnDataTypeWrapper;
use common_base::bytes::Bytes;
use common_time::Timestamp;
use datatypes::prelude::ConcreteDataType;
use datatypes::schema::{ColumnDefaultConstraint, ColumnSchema};
use datatypes::schema::{ColumnDefaultConstraint, ColumnSchema, COMMENT_KEY};
use datatypes::types::TimestampType;
use datatypes::value::Value;
use snafu::{ensure, OptionExt, ResultExt};
use crate::ast::{
ColumnDef, ColumnOption, ColumnOptionDef, DataType as SqlDataType, Expr, Value as SqlValue,
ColumnDef, ColumnOption, ColumnOptionDef, DataType as SqlDataType, Expr, TimezoneInfo,
Value as SqlValue,
};
use crate::error::{
self, ColumnTypeMismatchSnafu, ConvertToGrpcDataTypeSnafu, InvalidSqlValueSnafu,
ParseSqlValueSnafu, Result, SerializeColumnDefaultConstraintSnafu, TimestampOverflowSnafu,
UnsupportedDefaultValueSnafu,
self, ColumnTypeMismatchSnafu, ConvertSqlValueSnafu, ConvertToGrpcDataTypeSnafu,
ConvertValueSnafu, InvalidSqlValueSnafu, ParseSqlValueSnafu, Result,
SerializeColumnDefaultConstraintSnafu, TimestampOverflowSnafu, UnsupportedDefaultValueSnafu,
};
fn parse_string_to_value(
@@ -197,7 +198,38 @@ pub fn sql_value_to_value(
}
SqlValue::HexStringLiteral(s) => parse_hex_string(s)?,
SqlValue::Placeholder(s) => return InvalidSqlValueSnafu { value: s }.fail(),
_ => todo!("Other sql value"),
// TODO(dennis): supports binary string
_ => {
return ConvertSqlValueSnafu {
value: sql_val.clone(),
datatype: data_type.clone(),
}
.fail()
}
})
}
pub fn value_to_sql_value(val: &Value) -> Result<SqlValue> {
Ok(match val {
Value::Int8(v) => SqlValue::Number(v.to_string(), false),
Value::UInt8(v) => SqlValue::Number(v.to_string(), false),
Value::Int16(v) => SqlValue::Number(v.to_string(), false),
Value::UInt16(v) => SqlValue::Number(v.to_string(), false),
Value::Int32(v) => SqlValue::Number(v.to_string(), false),
Value::UInt32(v) => SqlValue::Number(v.to_string(), false),
Value::Int64(v) => SqlValue::Number(v.to_string(), false),
Value::UInt64(v) => SqlValue::Number(v.to_string(), false),
Value::Float32(v) => SqlValue::Number(v.to_string(), false),
Value::Float64(v) => SqlValue::Number(v.to_string(), false),
Value::Boolean(b) => SqlValue::Boolean(*b),
Value::Date(d) => SqlValue::SingleQuotedString(d.to_string()),
Value::DateTime(d) => SqlValue::SingleQuotedString(d.to_string()),
Value::Timestamp(ts) => SqlValue::SingleQuotedString(ts.to_iso8601_string()),
Value::String(s) => SqlValue::SingleQuotedString(s.as_utf8().to_string()),
Value::Null => SqlValue::Null,
// TODO(dennis): supports binary
_ => return ConvertValueSnafu { value: val.clone() }.fail(),
})
}
@@ -249,12 +281,26 @@ pub fn column_def_to_schema(column_def: &ColumnDef, is_time_index: bool) -> Resu
let default_constraint =
parse_column_default_constraint(&name, &data_type, &column_def.options)?;
ColumnSchema::new(name, data_type, is_nullable)
let mut column_schema = ColumnSchema::new(name, data_type, is_nullable)
.with_time_index(is_time_index)
.with_default_constraint(default_constraint)
.context(error::InvalidDefaultSnafu {
column: &column_def.name.value,
})
})?;
if let Some(ColumnOption::Comment(c)) = column_def.options.iter().find_map(|o| {
if matches!(o.option, ColumnOption::Comment(_)) {
Some(&o.option)
} else {
None
}
}) {
column_schema
.mut_metadata()
.insert(COMMENT_KEY.to_string(), c.to_string());
}
Ok(column_schema)
}
/// Convert `ColumnDef` in sqlparser to `ColumnDef` in gRPC proto.
@@ -324,6 +370,33 @@ pub fn sql_data_type_to_concrete_data_type(data_type: &SqlDataType) -> Result<Co
}
}
pub fn concrete_data_type_to_sql_data_type(data_type: &ConcreteDataType) -> Result<SqlDataType> {
match data_type {
ConcreteDataType::Int64(_) => Ok(SqlDataType::BigInt(None)),
ConcreteDataType::UInt64(_) => Ok(SqlDataType::UnsignedBigInt(None)),
ConcreteDataType::Int32(_) => Ok(SqlDataType::Int(None)),
ConcreteDataType::UInt32(_) => Ok(SqlDataType::UnsignedInt(None)),
ConcreteDataType::Int16(_) => Ok(SqlDataType::SmallInt(None)),
ConcreteDataType::UInt16(_) => Ok(SqlDataType::UnsignedSmallInt(None)),
ConcreteDataType::Int8(_) => Ok(SqlDataType::TinyInt(None)),
ConcreteDataType::UInt8(_) => Ok(SqlDataType::UnsignedTinyInt(None)),
ConcreteDataType::String(_) => Ok(SqlDataType::String),
ConcreteDataType::Float32(_) => Ok(SqlDataType::Float(None)),
ConcreteDataType::Float64(_) => Ok(SqlDataType::Double),
ConcreteDataType::Boolean(_) => Ok(SqlDataType::Boolean),
ConcreteDataType::Date(_) => Ok(SqlDataType::Date),
ConcreteDataType::DateTime(_) => Ok(SqlDataType::Datetime(None)),
ConcreteDataType::Timestamp(ts_type) => Ok(SqlDataType::Timestamp(
Some(ts_type.precision()),
TimezoneInfo::None,
)),
ConcreteDataType::Binary(_) => Ok(SqlDataType::Varbinary(None)),
ConcreteDataType::Null(_) | ConcreteDataType::List(_) | ConcreteDataType::Dictionary(_) => {
unreachable!()
}
}
}
#[cfg(test)]
mod tests {
use std::assert_matches::assert_matches;
@@ -676,10 +749,16 @@ mod tests {
name: "col2".into(),
data_type: SqlDataType::String,
collation: None,
options: vec![ColumnOptionDef {
name: None,
option: ColumnOption::NotNull,
}],
options: vec![
ColumnOptionDef {
name: None,
option: ColumnOption::NotNull,
},
ColumnOptionDef {
name: None,
option: ColumnOption::Comment("test comment".to_string()),
},
],
};
let column_schema = column_def_to_schema(&column_def, false).unwrap();
@@ -688,6 +767,10 @@ mod tests {
assert_eq!(ConcreteDataType::string_datatype(), column_schema.data_type);
assert!(!column_schema.is_nullable());
assert!(!column_schema.is_time_index());
assert_eq!(
column_schema.metadata().get(COMMENT_KEY),
Some(&"test comment".to_string())
);
}
#[test]
+195
View File
@@ -13,12 +13,49 @@
// limitations under the License.
use std::collections::HashMap;
use std::fmt::{Display, Formatter};
use itertools::Itertools;
use crate::ast::{ColumnDef, Ident, ObjectName, SqlOption, TableConstraint, Value as SqlValue};
const LINE_SEP: &str = ",\n";
const COMMA_SEP: &str = ", ";
const INDENT: usize = 2;
macro_rules! format_indent {
($fmt: expr, $arg: expr) => {
format!($fmt, format_args!("{: >1$}", "", INDENT), $arg)
};
($arg: expr) => {
format_indent!("{}{}", $arg)
};
}
macro_rules! format_list_indent {
($list: expr) => {
$list.iter().map(|e| format_indent!(e)).join(LINE_SEP)
};
}
macro_rules! format_list_comma {
($list: expr) => {
$list.iter().map(|e| format!("{}", e)).join(COMMA_SEP)
};
}
/// Time index name, used in table constraints.
pub const TIME_INDEX: &str = "__time_index";
#[inline]
pub fn is_time_index(constraint: &TableConstraint) -> bool {
matches!(constraint, TableConstraint::Unique {
name: Some(name),
is_primary: false,
..
} if name.value == TIME_INDEX)
}
#[derive(Debug, PartialEq, Eq, Clone)]
pub struct CreateTable {
/// Create if not exists
@@ -34,6 +71,55 @@ pub struct CreateTable {
pub partitions: Option<Partitions>,
}
impl CreateTable {
fn format_constraints(&self) -> String {
self.constraints
.iter()
.map(|c| {
if is_time_index(c) {
let TableConstraint::Unique { columns, ..} = c else { unreachable!() };
format_indent!("{}TIME INDEX ({})", format_list_comma!(columns))
} else {
format_indent!(c)
}
})
.join(LINE_SEP)
}
#[inline]
fn format_partitions(&self) -> String {
if let Some(partitions) = &self.partitions {
format!("{}\n", partitions)
} else {
"".to_string()
}
}
#[inline]
fn format_if_not_exits(&self) -> &str {
if self.if_not_exists {
"IF NOT EXISTS"
} else {
""
}
}
#[inline]
fn format_options(&self) -> String {
if self.options.is_empty() {
"".to_string()
} else {
let options = format_list_indent!(self.options);
format!(
r#"WITH(
{options}
)"#
)
}
}
}
#[derive(Debug, PartialEq, Eq, Clone)]
pub struct Partitions {
pub column_list: Vec<Ident>,
@@ -46,6 +132,52 @@ pub struct PartitionEntry {
pub value_list: Vec<SqlValue>,
}
impl Display for PartitionEntry {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
write!(
f,
"PARTITION {} VALUES LESS THAN ({})",
self.name,
format_list_comma!(self.value_list),
)
}
}
impl Display for Partitions {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
write!(
f,
r#"PARTITION BY RANGE COLUMNS ({}) (
{}
)"#,
format_list_comma!(self.column_list),
format_list_indent!(self.entries),
)
}
}
impl Display for CreateTable {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
let if_not_exists = self.format_if_not_exits();
let name = &self.name;
let columns = format_list_indent!(self.columns);
let constraints = self.format_constraints();
let partitions = self.format_partitions();
let engine = &self.engine;
let options = self.format_options();
write!(
f,
r#"CREATE TABLE {if_not_exists} {name} (
{columns},
{constraints}
)
{partitions}ENGINE={engine}
{options}"#
)
}
}
#[derive(Debug, PartialEq, Eq, Clone)]
pub struct CreateDatabase {
pub name: ObjectName,
@@ -64,3 +196,66 @@ pub struct CreateExternalTable {
/// TODO(weny): unify the key's case styling.
pub options: HashMap<String, String>,
}
#[cfg(test)]
mod tests {
use sqlparser::dialect::GenericDialect;
use crate::parser::ParserContext;
use crate::statements::statement::Statement;
#[test]
fn test_display_create_table() {
let sql = r"create table if not exists demo(
host string,
ts bigint,
cpu double default 0,
memory double,
TIME INDEX (ts),
PRIMARY KEY(ts, host)
)
PARTITION BY RANGE COLUMNS (ts) (
PARTITION r0 VALUES LESS THAN (5),
PARTITION r1 VALUES LESS THAN (9),
PARTITION r2 VALUES LESS THAN (MAXVALUE),
)
engine=mito
with(regions=1, ttl='7d');
";
let result = ParserContext::create_with_dialect(sql, &GenericDialect {}).unwrap();
assert_eq!(1, result.len());
match &result[0] {
Statement::CreateTable(c) => {
let new_sql = format!("\n{}", c);
assert_eq!(
r#"
CREATE TABLE IF NOT EXISTS demo (
host STRING,
ts BIGINT,
cpu DOUBLE DEFAULT 0,
memory DOUBLE,
TIME INDEX (ts),
PRIMARY KEY (ts, host)
)
PARTITION BY RANGE COLUMNS (ts) (
PARTITION r0 VALUES LESS THAN (5),
PARTITION r1 VALUES LESS THAN (9),
PARTITION r2 VALUES LESS THAN (MAXVALUE)
)
ENGINE=mito
WITH(
regions = 1,
ttl = '7d'
)"#,
&new_sql
);
let new_result =
ParserContext::create_with_dialect(&new_sql, &GenericDialect {}).unwrap();
assert_eq!(result, new_result);
}
_ => unreachable!(),
}
}
}
+3 -3
View File
@@ -14,7 +14,7 @@
use std::fmt;
use crate::ast::{Expr, Ident};
use crate::ast::{Expr, Ident, ObjectName};
/// Show kind for SQL expressions like `SHOW DATABASE` or `SHOW TABLE`
#[derive(Debug, Clone, PartialEq, Eq)]
@@ -57,7 +57,7 @@ pub struct ShowTables {
/// SQL structure for `SHOW CREATE TABLE`.
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct ShowCreateTable {
pub table_name: String,
pub table_name: ObjectName,
}
#[cfg(test)]
@@ -124,7 +124,7 @@ mod tests {
assert_matches!(&stmts[0], Statement::ShowCreateTable { .. });
match &stmts[0] {
Statement::ShowCreateTable(show) => {
let table_name = show.table_name.as_str();
let table_name = show.table_name.to_string();
assert_eq!(table_name, "test");
}
_ => {
+3 -7
View File
@@ -19,7 +19,7 @@ use std::sync::Arc;
use common_error::prelude::*;
use datatypes::data_type::ConcreteDataType;
use datatypes::schema::{ColumnSchema, Metadata};
use datatypes::schema::{ColumnSchema, Metadata, COMMENT_KEY};
use serde::{Deserialize, Serialize};
use snafu::{ensure, Location, OptionExt};
use store_api::storage::consts::{self, ReservedColumnId};
@@ -380,7 +380,6 @@ impl TryFrom<RawRegionMetadata> for RegionMetadata {
const METADATA_CF_ID_KEY: &str = "greptime:storage:cf_id";
const METADATA_COLUMN_ID_KEY: &str = "greptime:storage:column_id";
const METADATA_COMMENT_KEY: &str = "greptime:storage:comment";
#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
pub struct ColumnMetadata {
@@ -416,10 +415,7 @@ impl ColumnMetadata {
let metadata = column_schema.metadata();
let cf_id = try_parse_int(metadata, METADATA_CF_ID_KEY, Some(consts::DEFAULT_CF_ID))?;
let column_id = try_parse_int(metadata, METADATA_COLUMN_ID_KEY, None)?;
let comment = metadata
.get(METADATA_COMMENT_KEY)
.cloned()
.unwrap_or_default();
let comment = metadata.get(COMMENT_KEY).cloned().unwrap_or_default();
let desc = ColumnDescriptorBuilder::new(
column_id,
@@ -443,7 +439,7 @@ impl ColumnMetadata {
}
metadata.insert(METADATA_COLUMN_ID_KEY.to_string(), self.desc.id.to_string());
if !self.desc.comment.is_empty() {
metadata.insert(METADATA_COMMENT_KEY.to_string(), self.desc.comment.clone());
metadata.insert(COMMENT_KEY.to_string(), self.desc.comment.clone());
}
metadata
-3
View File
@@ -81,9 +81,6 @@ pub const DEFAULT_CF_NAME: &str = "default";
/// Name for reserved column: sequence
pub const SEQUENCE_COLUMN_NAME: &str = "__sequence";
/// Name for time index constraint name.
pub const TIME_INDEX_NAME: &str = "__time_index";
/// Name for reserved column: op_type
pub const OP_TYPE_COLUMN_NAME: &str = "__op_type";
+6 -1
View File
@@ -77,6 +77,7 @@ pub struct TableOptions {
pub const WRITE_BUFFER_SIZE_KEY: &str = "write_buffer_size";
pub const TTL_KEY: &str = "ttl";
pub const REGIONS_KEY: &str = "regions";
pub const COMPACTION_TIME_WINDOW_KEY: &str = "compaction_time_window";
impl TryFrom<&HashMap<String, String>> for TableOptions {
@@ -121,7 +122,11 @@ impl TryFrom<&HashMap<String, String>> for TableOptions {
};
}
options.extra_options = HashMap::from_iter(value.iter().filter_map(|(k, v)| {
if k != WRITE_BUFFER_SIZE_KEY && k != TTL_KEY && k != COMPACTION_TIME_WINDOW_KEY {
if k != WRITE_BUFFER_SIZE_KEY
&& k != REGIONS_KEY
&& k != TTL_KEY
&& k != COMPACTION_TIME_WINDOW_KEY
{
Some((k.clone(), v.clone()))
} else {
None