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cast updated fields (#5076)
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* cast stored types if they dont match docmapping when generating hits

this is important when updating the docmapping. Otherwise changing the type of a field makes it disappear from search results for splits using the old mapping
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@trinity-1686a
trinity-1686a authored Jun 7, 2024
1 parent 1fd7d0b commit 0816302
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25 changes: 24 additions & 1 deletion quickwit/quickwit-doc-mapper/src/default_doc_mapper/date_time_type.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>.

use indexmap::IndexSet;
use quickwit_datetime::{DateTimeInputFormat, DateTimeOutputFormat};
use quickwit_datetime::{DateTimeInputFormat, DateTimeOutputFormat, TantivyDateTime};
use serde::{Deserialize, Deserializer, Serialize};
use serde_json::Value as JsonValue;
use tantivy::schema::{DateTimePrecision, OwnedValue as TantivyValue};
Expand Down Expand Up @@ -98,6 +98,29 @@ impl QuickwitDateTimeOptions {
};
Ok(TantivyValue::Date(date_time))
}

pub(crate) fn reparse_tantivy_value(
&self,
tantivy_value: &TantivyValue,
) -> Option<TantivyDateTime> {
match tantivy_value {
TantivyValue::Date(date) => Some(*date),
TantivyValue::Str(date_time_str) => {
quickwit_datetime::parse_date_time_str(date_time_str, &self.input_formats.0).ok()
}
TantivyValue::U64(timestamp_u64) => {
let timestamp_i64 = (*timestamp_u64).try_into().ok()?;
quickwit_datetime::parse_timestamp_int(timestamp_i64, &self.input_formats.0).ok()
}
TantivyValue::I64(timestamp_i64) => {
quickwit_datetime::parse_timestamp_int(*timestamp_i64, &self.input_formats.0).ok()
}
TantivyValue::F64(timestamp_f64) => {
quickwit_datetime::parse_timestamp_float(*timestamp_f64, &self.input_formats.0).ok()
}
_ => None,
}
}
}

#[derive(Clone, Debug, Eq, PartialEq, Serialize)]
Expand Down
272 changes: 237 additions & 35 deletions quickwit/quickwit-doc-mapper/src/default_doc_mapper/mapping_tree.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,6 @@ use tantivy::schema::{
};
use tantivy::tokenizer::{PreTokenizedString, Token};
use tantivy::TantivyDocument as Document;
use tracing::warn;

use super::date_time_type::QuickwitDateTimeOptions;
use super::field_mapping_entry::{NumericOutputFormat, QuickwitBoolOptions};
Expand Down Expand Up @@ -385,44 +384,219 @@ fn extract_json_val(
}
}

fn value_to_string(value: TantivyValue) -> Result<JsonValue, TantivyValue> {
match value {
TantivyValue::Str(s) => return Ok(JsonValue::String(s)),
TantivyValue::U64(number) => Some(number.to_string()),
TantivyValue::I64(number) => Some(number.to_string()),
TantivyValue::F64(number) => Some(number.to_string()),
TantivyValue::Bool(b) => Some(b.to_string()),
TantivyValue::Date(date) => {
return quickwit_datetime::DateTimeOutputFormat::default()
.format_to_json(date)
.map_err(|_| value);
}
TantivyValue::IpAddr(ip) => Some(ip.to_string()),
_ => None,
}
.map(JsonValue::String)
.ok_or(value)
}

fn value_to_bool(value: TantivyValue) -> Result<JsonValue, TantivyValue> {
match &value {
TantivyValue::Str(s) => s.parse().ok(),
TantivyValue::U64(number) => match number {
0 => Some(false),
1 => Some(true),
_ => None,
},
TantivyValue::I64(number) => match number {
0 => Some(false),
1 => Some(true),
_ => None,
},
TantivyValue::Bool(b) => Some(*b),
_ => None,
}
.map(JsonValue::Bool)
.ok_or(value)
}

fn value_to_ip(value: TantivyValue) -> Result<JsonValue, TantivyValue> {
match &value {
TantivyValue::Str(s) => s
.parse::<std::net::Ipv6Addr>()
.or_else(|_| {
s.parse::<std::net::Ipv4Addr>()
.map(|ip| ip.to_ipv6_mapped())
})
.ok(),
TantivyValue::IpAddr(ip) => Some(*ip),
_ => None,
}
.map(|ip| {
serde_json::to_value(TantivyValue::IpAddr(ip))
.expect("Json serialization should never fail.")
})
.ok_or(value)
}

fn value_to_float(
value: TantivyValue,
numeric_options: &QuickwitNumericOptions,
) -> Result<JsonValue, TantivyValue> {
match &value {
TantivyValue::Str(s) => s.parse().ok(),
TantivyValue::U64(number) => Some(*number as f64),
TantivyValue::I64(number) => Some(*number as f64),
TantivyValue::F64(number) => Some(*number),
TantivyValue::Bool(b) => Some(if *b { 1.0 } else { 0.0 }),
_ => None,
}
.and_then(|f64_val| f64_val.to_json(numeric_options.output_format))
.ok_or(value)
}

fn value_to_u64(
value: TantivyValue,
numeric_options: &QuickwitNumericOptions,
) -> Result<JsonValue, TantivyValue> {
match &value {
TantivyValue::Str(s) => s.parse().ok(),
TantivyValue::U64(number) => Some(*number),
TantivyValue::I64(number) => (*number).try_into().ok(),
TantivyValue::F64(number) => {
if (0.0..=(u64::MAX as f64)).contains(number) {
Some(*number as u64)
} else {
None
}
}
TantivyValue::Bool(b) => Some(*b as u64),
_ => None,
}
.and_then(|u64_val| u64_val.to_json(numeric_options.output_format))
.ok_or(value)
}

fn value_to_i64(
value: TantivyValue,
numeric_options: &QuickwitNumericOptions,
) -> Result<JsonValue, TantivyValue> {
match &value {
TantivyValue::Str(s) => s.parse().ok(),
TantivyValue::U64(number) => (*number).try_into().ok(),
TantivyValue::I64(number) => Some(*number),
TantivyValue::F64(number) => {
if ((i64::MIN as f64)..=(i64::MAX as f64)).contains(number) {
Some(*number as i64)
} else {
None
}
}
TantivyValue::Bool(b) => Some(*b as i64),
_ => None,
}
.and_then(|u64_val| u64_val.to_json(numeric_options.output_format))
.ok_or(value)
}

/// Transforms a tantivy object into a serde_json one, without cloning strings.
/// It still allocates maps.
// TODO we should probably move this to tantivy, it has the opposite conversion already
fn tantivy_object_to_json_value_nocopy(object: Vec<(String, TantivyValue)>) -> JsonValue {
JsonValue::Object(
object
.into_iter()
.map(|(key, value)| (key, tantivy_value_to_json_value_nocopy(value)))
.collect(),
)
}

fn tantivy_value_to_json_value_nocopy(value: TantivyValue) -> JsonValue {
match value {
TantivyValue::Null => JsonValue::Null,
TantivyValue::Str(s) => JsonValue::String(s),
TantivyValue::U64(number) => JsonValue::Number(number.into()),
TantivyValue::I64(number) => JsonValue::Number(number.into()),
TantivyValue::F64(f) => {
JsonValue::Number(serde_json::Number::from_f64(f).expect("expected finite f64"))
}
TantivyValue::Bool(b) => JsonValue::Bool(b),
TantivyValue::Array(array) => JsonValue::Array(
array
.into_iter()
.map(tantivy_value_to_json_value_nocopy)
.collect(),
),
TantivyValue::Object(object) => tantivy_object_to_json_value_nocopy(object),
// we shouldn't have these types inside a json field in quickwit
TantivyValue::PreTokStr(pretok) => JsonValue::String(pretok.text),
TantivyValue::Date(date) => quickwit_datetime::DateTimeOutputFormat::Rfc3339
.format_to_json(date)
.expect("Invalid datetime is not allowed."),
TantivyValue::Facet(facet) => JsonValue::String(facet.to_string()),
// TantivyValue::Bytes(Vec<u8>) => (), // tantivy would do b64 here
TantivyValue::IpAddr(ip_v6) => {
let ip_str = if let Some(ip_v4) = ip_v6.to_ipv4_mapped() {
ip_v4.to_string()
} else {
ip_v6.to_string()
};
JsonValue::String(ip_str)
}
value => unimplemented!("got unexpected type {value:?} inside json field"),
}
}

/// Converts Tantivy::Value into Json Value.
///
/// Makes sure the type and value are consistent before converting.
/// For certain LeafType, we use the type options to format the output.
fn value_to_json(value: TantivyValue, leaf_type: &LeafType) -> Option<JsonValue> {
match (&value, leaf_type) {
(TantivyValue::Str(_), LeafType::Text(_))
| (TantivyValue::Bool(_), LeafType::Bool(_))
| (TantivyValue::IpAddr(_), LeafType::IpAddr(_))
| (TantivyValue::Object(_), LeafType::Json(_)) => {
let json_value =
serde_json::to_value(&value).expect("Json serialization should never fail.");
Some(json_value)
}
(TantivyValue::Bytes(bytes), LeafType::Bytes(bytes_options)) => {
let json_value = bytes_options.output_format.format_to_json(bytes);
Some(json_value)
}
(TantivyValue::Date(date_time), LeafType::DateTime(date_time_options)) => {
let json_value = date_time_options
.output_format
.format_to_json(*date_time)
.expect("Invalid datetime is not allowed.");
Some(json_value)
}
(TantivyValue::F64(f64_val), LeafType::F64(numeric_options)) => {
f64_val.to_json(numeric_options.output_format)
}
(TantivyValue::I64(i64_val), LeafType::I64(numeric_options)) => {
i64_val.to_json(numeric_options.output_format)
let res = match leaf_type {
LeafType::Text(_) => value_to_string(value),
LeafType::Bool(_) => value_to_bool(value),
LeafType::IpAddr(_) => value_to_ip(value),
LeafType::F64(numeric_options) => value_to_float(value, numeric_options),
LeafType::U64(numeric_options) => value_to_u64(value, numeric_options),
LeafType::I64(numeric_options) => value_to_i64(value, numeric_options),
LeafType::Json(_) => {
if let TantivyValue::Object(obj) = value {
// TODO do we want to allow almost everything here?
return Some(tantivy_object_to_json_value_nocopy(obj));
} else {
Err(value)
}
}
(TantivyValue::U64(u64_val), LeafType::U64(numeric_options)) => {
u64_val.to_json(numeric_options.output_format)
LeafType::Bytes(bytes_options) => {
if let TantivyValue::Bytes(ref bytes) = value {
// TODO we could cast str to bytes
let json_value = bytes_options.output_format.format_to_json(bytes);
Ok(json_value)
} else {
Err(value)
}
}
_ => {
warn!(
"The value type `{:?}` doesn't match the requested type `{:?}`",
value, leaf_type
LeafType::DateTime(date_time_options) => date_time_options
.reparse_tantivy_value(&value)
.map(|date_time| {
date_time_options
.output_format
.format_to_json(date_time)
.expect("Invalid datetime is not allowed.")
})
.ok_or(value),
};
match res {
Ok(res) => Some(res),
Err(value) => {
quickwit_common::rate_limited_warn!(
limit_per_min = 2,
"the value type `{:?}` doesn't match the requested type `{:?}`",
value,
leaf_type
);
None
}
Expand Down Expand Up @@ -1601,7 +1775,23 @@ mod tests {
assert_eq!(
value_to_json(
TantivyValue::F64(0.1),
&LeafType::F64(numeric_options_number)
&LeafType::F64(numeric_options_number.clone())
)
.unwrap(),
serde_json::json!(0.1)
);
assert_eq!(
value_to_json(
TantivyValue::U64(1),
&LeafType::F64(numeric_options_number.clone())
)
.unwrap(),
serde_json::json!(1.0)
);
assert_eq!(
value_to_json(
TantivyValue::Str("0.1".to_string()),
&LeafType::F64(numeric_options_number.clone())
)
.unwrap(),
serde_json::json!(0.1)
Expand All @@ -1623,11 +1813,15 @@ mod tests {
assert_eq!(
value_to_json(
TantivyValue::I64(-1),
&LeafType::I64(numeric_options_number)
&LeafType::I64(numeric_options_number.clone())
)
.unwrap(),
serde_json::json!(-1)
);
assert_eq!(
value_to_json(TantivyValue::I64(1), &LeafType::I64(numeric_options_number)).unwrap(),
serde_json::json!(1)
);

let numeric_options_str = QuickwitNumericOptions {
output_format: NumericOutputFormat::String,
Expand All @@ -1643,7 +1837,15 @@ mod tests {
fn test_tantivy_value_to_json_value_u64() {
let numeric_options_number = QuickwitNumericOptions::default();
assert_eq!(
value_to_json(TantivyValue::U64(1), &LeafType::U64(numeric_options_number)).unwrap(),
value_to_json(
TantivyValue::U64(1),
&LeafType::U64(numeric_options_number.clone())
)
.unwrap(),
serde_json::json!(1u64)
);
assert_eq!(
value_to_json(TantivyValue::I64(1), &LeafType::U64(numeric_options_number)).unwrap(),
serde_json::json!(1u64)
);

Expand Down

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