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Support more DateTimeField variants (#1191)

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Ifeanyi Ubah 2024-04-09 23:16:03 +02:00 • committed by GitHub
parent 8dd213cff2
commit 127be97369
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6 changed files with 129 additions and 46 deletions
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6
src/ast/mod.rs
View file

@ -229,7 +229,7 @@ impl fmt::Display for Interval {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
let value = self.value.as_ref();
match (
self.leading_field,
&self.leading_field,
self.leading_precision,
self.fractional_seconds_precision,
) {
@ -248,13 +248,13 @@ impl fmt::Display for Interval {
}
_ => {
write!(f, "INTERVAL {value}")?;
if let Some(leading_field) = self.leading_field {
if let Some(leading_field) = &self.leading_field {
write!(f, " {leading_field}")?;
}
if let Some(leading_precision) = self.leading_precision {
write!(f, " ({leading_precision})")?;
}
if let Some(last_field) = self.last_field {
if let Some(last_field) = &self.last_field {
write!(f, " TO {last_field}")?;
}
if let Some(fractional_seconds_precision) = self.fractional_seconds_precision {

114
src/ast/value.rs
View file

@ -12,6 +12,13 @@
#[cfg(not(feature = "std"))]
use alloc::string::String;
#[cfg(not(feature = "std"))]
use alloc::format;
#[cfg(not(feature = "std"))]
use alloc::string::ToString;
use core::fmt;
#[cfg(feature = "bigdecimal")]
@ -20,6 +27,7 @@ use bigdecimal::BigDecimal;
#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};
use crate::ast::Ident;
#[cfg(feature = "visitor")]
use sqlparser_derive::{Visit, VisitMut};
@ -109,17 +117,25 @@ impl fmt::Display for DollarQuotedString {
}
}
#[derive(Debug, Copy, Clone, PartialEq, Eq, Ord, PartialOrd, Hash)]
#[derive(Debug, Clone, PartialEq, Eq, Ord, PartialOrd, Hash)]
#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
#[cfg_attr(feature = "visitor", derive(Visit, VisitMut))]
pub enum DateTimeField {
Year,
Month,
Week,
/// Week optionally followed by a WEEKDAY.
///
/// ```sql
/// WEEK(MONDAY)
/// ```
///
/// [BigQuery](https://cloud.google.com/bigquery/docs/reference/standard-sql/date_functions#extract)
Week(Option<Ident>),
Day,
DayOfWeek,
DayOfYear,
Date,
Datetime,
Hour,
Minute,
Second,
@ -148,47 +164,67 @@ pub enum DateTimeField {
TimezoneMinute,
TimezoneRegion,
NoDateTime,
/// Arbitrary abbreviation or custom date-time part.
///
/// ```sql
/// EXTRACT(q FROM CURRENT_TIMESTAMP)
/// ```
/// [Snowflake](https://docs.snowflake.com/en/sql-reference/functions-date-time#supported-date-and-time-parts)
Custom(Ident),
}
impl fmt::Display for DateTimeField {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str(match self {
DateTimeField::Year => "YEAR",
DateTimeField::Month => "MONTH",
DateTimeField::Week => "WEEK",
DateTimeField::Day => "DAY",
DateTimeField::DayOfWeek => "DAYOFWEEK",
DateTimeField::DayOfYear => "DAYOFYEAR",
DateTimeField::Date => "DATE",
DateTimeField::Hour => "HOUR",
DateTimeField::Minute => "MINUTE",
DateTimeField::Second => "SECOND",
DateTimeField::Century => "CENTURY",
DateTimeField::Decade => "DECADE",
DateTimeField::Dow => "DOW",
DateTimeField::Doy => "DOY",
DateTimeField::Epoch => "EPOCH",
DateTimeField::Isodow => "ISODOW",
DateTimeField::Isoyear => "ISOYEAR",
DateTimeField::IsoWeek => "ISOWEEK",
DateTimeField::Julian => "JULIAN",
DateTimeField::Microsecond => "MICROSECOND",
DateTimeField::Microseconds => "MICROSECONDS",
DateTimeField::Millenium => "MILLENIUM",
DateTimeField::Millennium => "MILLENNIUM",
DateTimeField::Millisecond => "MILLISECOND",
DateTimeField::Milliseconds => "MILLISECONDS",
DateTimeField::Nanosecond => "NANOSECOND",
DateTimeField::Nanoseconds => "NANOSECONDS",
DateTimeField::Quarter => "QUARTER",
DateTimeField::Time => "TIME",
DateTimeField::Timezone => "TIMEZONE",
DateTimeField::TimezoneAbbr => "TIMEZONE_ABBR",
DateTimeField::TimezoneHour => "TIMEZONE_HOUR",
DateTimeField::TimezoneMinute => "TIMEZONE_MINUTE",
DateTimeField::TimezoneRegion => "TIMEZONE_REGION",
DateTimeField::NoDateTime => "NODATETIME",
})
f.write_str(
match self {
DateTimeField::Year => "YEAR".to_string(),
DateTimeField::Month => "MONTH".to_string(),
DateTimeField::Week(week_day) => {
format!(
"WEEK{}",
week_day
.as_ref()
.map(|w| format!("({w})"))
.unwrap_or_default()
)
}
DateTimeField::Day => "DAY".to_string(),
DateTimeField::DayOfWeek => "DAYOFWEEK".to_string(),
DateTimeField::DayOfYear => "DAYOFYEAR".to_string(),
DateTimeField::Date => "DATE".to_string(),
DateTimeField::Datetime => "DATETIME".to_string(),
DateTimeField::Hour => "HOUR".to_string(),
DateTimeField::Minute => "MINUTE".to_string(),
DateTimeField::Second => "SECOND".to_string(),
DateTimeField::Century => "CENTURY".to_string(),
DateTimeField::Decade => "DECADE".to_string(),
DateTimeField::Dow => "DOW".to_string(),
DateTimeField::Doy => "DOY".to_string(),
DateTimeField::Epoch => "EPOCH".to_string(),
DateTimeField::Isodow => "ISODOW".to_string(),
DateTimeField::Isoyear => "ISOYEAR".to_string(),
DateTimeField::IsoWeek => "ISOWEEK".to_string(),
DateTimeField::Julian => "JULIAN".to_string(),
DateTimeField::Microsecond => "MICROSECOND".to_string(),
DateTimeField::Microseconds => "MICROSECONDS".to_string(),
DateTimeField::Millenium => "MILLENIUM".to_string(),
DateTimeField::Millennium => "MILLENNIUM".to_string(),
DateTimeField::Millisecond => "MILLISECOND".to_string(),
DateTimeField::Milliseconds => "MILLISECONDS".to_string(),
DateTimeField::Nanosecond => "NANOSECOND".to_string(),
DateTimeField::Nanoseconds => "NANOSECONDS".to_string(),
DateTimeField::Quarter => "QUARTER".to_string(),
DateTimeField::Time => "TIME".to_string(),
DateTimeField::Timezone => "TIMEZONE".to_string(),
DateTimeField::TimezoneAbbr => "TIMEZONE_ABBR".to_string(),
DateTimeField::TimezoneHour => "TIMEZONE_HOUR".to_string(),
DateTimeField::TimezoneMinute => "TIMEZONE_MINUTE".to_string(),
DateTimeField::TimezoneRegion => "TIMEZONE_REGION".to_string(),
DateTimeField::NoDateTime => "NODATETIME".to_string(),
DateTimeField::Custom(custom) => format!("{custom}"),
}
.as_str(),
)
}
}

19
src/parser/mod.rs
View file

@ -1857,11 +1857,23 @@ impl<'a> Parser<'a> {
Token::Word(w) => match w.keyword {
Keyword::YEAR => Ok(DateTimeField::Year),
Keyword::MONTH => Ok(DateTimeField::Month),
Keyword::WEEK => Ok(DateTimeField::Week),
Keyword::WEEK => {
let week_day = if dialect_of!(self is BigQueryDialect | GenericDialect)
&& self.consume_token(&Token::LParen)
{
let week_day = self.parse_identifier(false)?;
self.expect_token(&Token::RParen)?;
Some(week_day)
} else {
None
};
Ok(DateTimeField::Week(week_day))
}
Keyword::DAY => Ok(DateTimeField::Day),
Keyword::DAYOFWEEK => Ok(DateTimeField::DayOfWeek),
Keyword::DAYOFYEAR => Ok(DateTimeField::DayOfYear),
Keyword::DATE => Ok(DateTimeField::Date),
Keyword::DATETIME => Ok(DateTimeField::Datetime),
Keyword::HOUR => Ok(DateTimeField::Hour),
Keyword::MINUTE => Ok(DateTimeField::Minute),
Keyword::SECOND => Ok(DateTimeField::Second),
@ -1889,6 +1901,11 @@ impl<'a> Parser<'a> {
Keyword::TIMEZONE_HOUR => Ok(DateTimeField::TimezoneHour),
Keyword::TIMEZONE_MINUTE => Ok(DateTimeField::TimezoneMinute),
Keyword::TIMEZONE_REGION => Ok(DateTimeField::TimezoneRegion),
_ if dialect_of!(self is SnowflakeDialect | GenericDialect) => {
self.prev_token();
let custom = self.parse_identifier(false)?;
Ok(DateTimeField::Custom(custom))
}
_ => self.expected("date/time field", next_token),
},
_ => self.expected("date/time field", next_token),