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Changes required for python binding (#610)

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This commit is contained in:
Paul Masurel
2019-08-01 17:26:21 +09:00
committed by GitHub
parent 0154dbe477
commit 280ea1209c
6 changed files with 37 additions and 7 deletions
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18
src/query/query_parser/query_parser.rs
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@@ -18,42 +18,56 @@ use crate::schema::{FieldType, Term};
use crate::tokenizer::TokenizerManager;
use combine::Parser;
use std::borrow::Cow;
use std::num::{ParseIntError, ParseFloatError};
use std::num::{ParseFloatError, ParseIntError};
use std::ops::Bound;
use std::str::FromStr;
/// Possible error that may happen when parsing a query.
#[derive(Debug, PartialEq, Eq)]
#[derive(Debug, PartialEq, Eq, Fail)]
pub enum QueryParserError {
/// Error in the query syntax
#[fail(display = "Syntax Error")]
SyntaxError,
/// `FieldDoesNotExist(field_name: String)`
/// The query references a field that is not in the schema
#[fail(display = "File does not exists: '{:?}'", _0)]
FieldDoesNotExist(String),
/// The query contains a term for a `u64` or `i64`-field, but the value
/// is neither.
#[fail(display = "Expected a valid integer: '{:?}'", _0)]
ExpectedInt(ParseIntError),
/// The query contains a term for a `f64`-field, but the value
/// is not a f64.
#[fail(display = "Invalid query: Only excluding terms given")]
ExpectedFloat(ParseFloatError),
/// It is forbidden queries that are only "excluding". (e.g. -title:pop)
#[fail(display = "Invalid query: Only excluding terms given")]
AllButQueryForbidden,
/// If no default field is declared, running a query without any
/// field specified is forbbidden.
#[fail(display = "No default field declared and no field specified in query")]
NoDefaultFieldDeclared,
/// The field searched for is not declared
/// as indexed in the schema.
#[fail(display = "The field '{:?}' is not declared as indexed", _0)]
FieldNotIndexed(String),
/// A phrase query was requested for a field that does not
/// have any positions indexed.
#[fail(display = "The field '{:?}' does not have positions indexed", _0)]
FieldDoesNotHavePositionsIndexed(String),
/// The tokenizer for the given field is unknown
/// The two argument strings are the name of the field, the name of the tokenizer
#[fail(
display = "The tokenizer '{:?}' for the field '{:?}' is unknown",
_0, _1
)]
UnknownTokenizer(String, String),
/// The query contains a range query with a phrase as one of the bounds.
/// Only terms can be used as bounds.
#[fail(display = "A range query cannot have a phrase as one of the bounds")]
RangeMustNotHavePhrase,
/// The format for the date field is not RFC 3339 compliant.
#[fail(display = "The date field has an invalid format")]
DateFormatError(chrono::ParseError),
}