feat: support set timezone in db

config/frontend.example.toml

@@ -1,5 +1,7 @@
 # Node running mode, see `standalone.example.toml`.
 mode = "distributed"
+# The default timezone of the server
+# default_timezone = "UTC"
 
 [heartbeat]
 # Interval for sending heartbeat task to the Metasrv, 5 seconds by default.

config/standalone.example.toml

@@ -2,6 +2,8 @@
 mode = "standalone"
 # Whether to enable greptimedb telemetry, true by default.
 enable_telemetry = true
+# The default timezone of the server
+# default_timezone = "UTC"
 
 # HTTP server options.
 [http]

src/cmd/Cargo.toml

@@ -32,6 +32,7 @@ common-recordbatch.workspace = true
 common-telemetry = { workspace = true, features = [
     "deadlock_detection",
 ] }
+common-time.workspace = true
 config = "0.13"
 datanode.workspace = true
 datatypes.workspace = true

src/cmd/src/error.rs

@@ -43,6 +43,12 @@ pub enum Error {
         source: common_meta::error::Error,
     },
 
+    #[snafu(display("Failed to init default timezone"))]
+    InitTimezone {
+        location: Location,
+        source: common_time::error::Error,
+    },
+
     #[snafu(display("Failed to start procedure manager"))]
     StartProcedureManager {
         location: Location,
@@ -268,6 +274,7 @@ impl ErrorExt for Error {
             | Error::LoadLayeredConfig { .. }
             | Error::IllegalConfig { .. }
             | Error::InvalidReplCommand { .. }
+            | Error::InitTimezone { .. }
             | Error::ConnectEtcd { .. }
             | Error::NotDataFromOutput { .. }
             | Error::CreateDir { .. }

src/cmd/src/frontend.rs

@@ -22,6 +22,7 @@ use client::client_manager::DatanodeClients;
 use common_meta::heartbeat::handler::parse_mailbox_message::ParseMailboxMessageHandler;
 use common_meta::heartbeat::handler::HandlerGroupExecutor;
 use common_telemetry::logging;
+use common_time::timezone::set_default_timezone;
 use frontend::frontend::FrontendOptions;
 use frontend::heartbeat::handler::invalidate_table_cache::InvalidateTableCacheHandler;
 use frontend::heartbeat::HeartbeatTask;
@@ -32,7 +33,7 @@ use servers::tls::{TlsMode, TlsOption};
 use servers::Mode;
 use snafu::{OptionExt, ResultExt};
 
-use crate::error::{self, MissingConfigSnafu, Result, StartFrontendSnafu};
+use crate::error::{self, InitTimezoneSnafu, MissingConfigSnafu, Result, StartFrontendSnafu};
 use crate::options::{CliOptions, Options};
 use crate::App;
 
@@ -217,6 +218,8 @@ impl StartCommand {
         logging::info!("Frontend start command: {:#?}", self);
         logging::info!("Frontend options: {:#?}", opts);
 
+        set_default_timezone(opts.default_timezone.as_deref()).context(InitTimezoneSnafu)?;
+
         let meta_client_options = opts.meta_client.as_ref().context(MissingConfigSnafu {
             msg: "'meta_client'",
         })?;

src/cmd/src/standalone.rs

@@ -31,6 +31,7 @@ use common_meta::wal::{WalOptionsAllocator, WalOptionsAllocatorRef};
 use common_procedure::ProcedureManagerRef;
 use common_telemetry::info;
 use common_telemetry::logging::LoggingOptions;
+use common_time::timezone::set_default_timezone;
 use datanode::config::{DatanodeOptions, ProcedureConfig, RegionEngineConfig, StorageConfig};
 use datanode::datanode::{Datanode, DatanodeBuilder};
 use file_engine::config::EngineConfig as FileEngineConfig;
@@ -50,8 +51,8 @@ use servers::Mode;
 use snafu::ResultExt;
 
 use crate::error::{
-    CreateDirSnafu, IllegalConfigSnafu, InitDdlManagerSnafu, InitMetadataSnafu, Result,
-    ShutdownDatanodeSnafu, ShutdownFrontendSnafu, StartDatanodeSnafu, StartFrontendSnafu,
+    CreateDirSnafu, IllegalConfigSnafu, InitDdlManagerSnafu, InitMetadataSnafu, InitTimezoneSnafu,
+    Result, ShutdownDatanodeSnafu, ShutdownFrontendSnafu, StartDatanodeSnafu, StartFrontendSnafu,
     StartProcedureManagerSnafu, StartWalOptionsAllocatorSnafu, StopProcedureManagerSnafu,
 };
 use crate::options::{CliOptions, MixOptions, Options};
@@ -97,6 +98,7 @@ impl SubCommand {
 pub struct StandaloneOptions {
     pub mode: Mode,
     pub enable_telemetry: bool,
+    pub default_timezone: Option<String>,
     pub http: HttpOptions,
     pub grpc: GrpcOptions,
     pub mysql: MysqlOptions,
@@ -120,6 +122,7 @@ impl Default for StandaloneOptions {
         Self {
             mode: Mode::Standalone,
             enable_telemetry: true,
+            default_timezone: None,
             http: HttpOptions::default(),
             grpc: GrpcOptions::default(),
             mysql: MysqlOptions::default(),
@@ -146,6 +149,7 @@ impl StandaloneOptions {
     fn frontend_options(self) -> FrontendOptions {
         FrontendOptions {
             mode: self.mode,
+            default_timezone: self.default_timezone,
             http: self.http,
             grpc: self.grpc,
             mysql: self.mysql,
@@ -366,6 +370,9 @@ impl StartCommand {
 
         info!("Building standalone instance with {opts:#?}");
 
+        set_default_timezone(opts.frontend.default_timezone.as_deref())
+            .context(InitTimezoneSnafu)?;
+
         // Ensure the data_home directory exists.
         fs::create_dir_all(path::Path::new(&opts.data_home)).context(CreateDirSnafu {
             dir: &opts.data_home,

src/common/time/Cargo.toml

@@ -10,6 +10,7 @@ chrono-tz = "0.8"
 chrono.workspace = true
 common-error.workspace = true
 common-macro.workspace = true
+once_cell.workspace = true
 serde = { version = "1.0", features = ["derive"] }
 serde_json.workspace = true
 snafu.workspace = true

src/common/time/src/datetime.rs

@@ -20,7 +20,7 @@ use chrono::{Days, LocalResult, Months, NaiveDateTime, TimeZone as ChronoTimeZon
 use serde::{Deserialize, Serialize};
 
 use crate::error::{Error, InvalidDateStrSnafu, Result};
-use crate::timezone::TimeZone;
+use crate::timezone::Timezone;
 use crate::util::{format_utc_datetime, local_datetime_to_utc};
 use crate::{Date, Interval};
 
@@ -110,11 +110,11 @@ impl DateTime {
         NaiveDateTime::from_timestamp_millis(self.0)
     }
 
-    pub fn to_chrono_datetime_with_timezone(&self, tz: Option<TimeZone>) -> Option<NaiveDateTime> {
+    pub fn to_chrono_datetime_with_timezone(&self, tz: Option<Timezone>) -> Option<NaiveDateTime> {
         let datetime = self.to_chrono_datetime();
         datetime.map(|v| match tz {
-            Some(TimeZone::Offset(offset)) => offset.from_utc_datetime(&v).naive_local(),
-            Some(TimeZone::Named(tz)) => tz.from_utc_datetime(&v).naive_local(),
+            Some(Timezone::Offset(offset)) => offset.from_utc_datetime(&v).naive_local(),
+            Some(Timezone::Named(tz)) => tz.from_utc_datetime(&v).naive_local(),
             None => Utc.from_utc_datetime(&v).naive_local(),
         })
     }
@@ -155,18 +155,19 @@ impl DateTime {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use crate::timezone::set_default_timezone;
 
     #[test]
     pub fn test_new_date_time() {
-        std::env::set_var("TZ", "Asia/Shanghai");
+        set_default_timezone(Some("Asia/Shanghai")).unwrap();
         assert_eq!("1970-01-01 08:00:00+0800", DateTime::new(0).to_string());
         assert_eq!("1970-01-01 08:00:01+0800", DateTime::new(1000).to_string());
         assert_eq!("1970-01-01 07:59:59+0800", DateTime::new(-1000).to_string());
     }
 
     #[test]
     pub fn test_parse_from_string() {
-        std::env::set_var("TZ", "Asia/Shanghai");
+        set_default_timezone(Some("Asia/Shanghai")).unwrap();
         let time = "1970-01-01 00:00:00+0800";
         let dt = DateTime::from_str(time).unwrap();
         assert_eq!(time, &dt.to_string());
@@ -194,7 +195,7 @@ mod tests {
 
     #[test]
     fn test_parse_local_date_time() {
-        std::env::set_var("TZ", "Asia/Shanghai");
+        set_default_timezone(Some("Asia/Shanghai")).unwrap();
         assert_eq!(
             -28800000,
             DateTime::from_str("1970-01-01 00:00:00").unwrap().val()

src/common/time/src/error.rs

@@ -51,8 +51,8 @@ pub enum Error {
     #[snafu(display("Timestamp arithmetic overflow, msg: {}", msg))]
     ArithmeticOverflow { msg: String, location: Location },
 
-    #[snafu(display("Invalid time zone offset: {hours}:{minutes}"))]
-    InvalidTimeZoneOffset {
+    #[snafu(display("Invalid timezone offset: {hours}:{minutes}"))]
+    InvalidTimezoneOffset {
         hours: i32,
         minutes: u32,
         location: Location,
@@ -66,18 +66,18 @@ pub enum Error {
         location: Location,
     },
 
-    #[snafu(display("Invalid time zone string {raw}"))]
-    ParseTimeZoneName { raw: String, location: Location },
+    #[snafu(display("Invalid timezone string {raw}"))]
+    ParseTimezoneName { raw: String, location: Location },
 }
 
 impl ErrorExt for Error {
     fn status_code(&self) -> StatusCode {
         match self {
             Error::ParseDateStr { .. }
             | Error::ParseTimestamp { .. }
-            | Error::InvalidTimeZoneOffset { .. }
+            | Error::InvalidTimezoneOffset { .. }
             | Error::ParseOffsetStr { .. }
-            | Error::ParseTimeZoneName { .. } => StatusCode::InvalidArguments,
+            | Error::ParseTimezoneName { .. } => StatusCode::InvalidArguments,
             Error::TimestampOverflow { .. } => StatusCode::Internal,
             Error::InvalidDateStr { .. } | Error::ArithmeticOverflow { .. } => {
                 StatusCode::InvalidArguments
@@ -96,9 +96,9 @@ impl ErrorExt for Error {
             | Error::TimestampOverflow { location, .. }
             | Error::ArithmeticOverflow { location, .. } => Some(*location),
             Error::ParseDateStr { .. }
-            | Error::InvalidTimeZoneOffset { .. }
+            | Error::InvalidTimezoneOffset { .. }
             | Error::ParseOffsetStr { .. }
-            | Error::ParseTimeZoneName { .. } => None,
+            | Error::ParseTimezoneName { .. } => None,
             Error::InvalidDateStr { location, .. } => Some(*location),
             Error::ParseInterval { location, .. } => Some(*location),
         }

src/common/time/src/lib.rs

@@ -31,4 +31,4 @@ pub use interval::Interval;
 pub use range::RangeMillis;
 pub use timestamp::Timestamp;
 pub use timestamp_millis::TimestampMillis;
-pub use timezone::TimeZone;
+pub use timezone::Timezone;