diff --git a/influxdb/src/query/line_proto_term.rs b/influxdb/src/query/line_proto_term.rs
index d803c75..d3da5d2 100644
--- a/influxdb/src/query/line_proto_term.rs
+++ b/influxdb/src/query/line_proto_term.rs
@@ -37,41 +37,26 @@ impl LineProtoTerm<'_> {
}
}
+ /// Serializes Field Values.
fn escape_field_value(v: &Type, use_v2: bool) -> String {
use Type::*;
match v {
- Boolean(v) => {
- if *v {
- "true"
- } else {
- "false"
- }
- }
- .to_string(),
- Float(v) => v.to_string(),
- SignedInteger(v) => format!("{}i", v),
- UnsignedInteger(v) => {
- if use_v2 {
- format!("{}u", v)
- } else {
- format!("{}i", v)
- }
- }
+ Boolean(v) => Self::escape_boolean(v),
+ Float(v) => Self::escape_float(v),
+ SignedInteger(v) => Self::escape_signed_integer(v),
+ UnsignedInteger(v) => Self::escape_unsigned_integer(v, use_v2),
Text(v) => format!(r#""{}""#, Self::escape_any(v, "ES_SLASHES)),
}
}
+ /// Serializes Tag Values. InfluxDB stores tag values as strings, so we format everything to string.
+ ///
+ /// V2: https://docs.influxdata.com/influxdb/cloud/reference/syntax/line-protocol/#tag-set
+ /// V1: https://docs.influxdata.com/influxdb/v1/write_protocols/line_protocol_tutorial/#data-types
fn escape_tag_value(v: &Type) -> String {
use Type::*;
match v {
- Boolean(v) => {
- if *v {
- "true"
- } else {
- "false"
- }
- }
- .to_string(),
+ Boolean(v) => Self::escape_boolean(v),
Float(v) => format!(r#"{}"#, v),
SignedInteger(v) => format!(r#"{}"#, v),
UnsignedInteger(v) => format!(r#"{}"#, v),
@@ -82,6 +67,51 @@ impl LineProtoTerm<'_> {
fn escape_any(s: &str, re: &Regex) -> String {
re.replace_all(s, r"\$0").to_string()
}
+
+ /// Escapes a Rust f64 to InfluxDB Line Protocol
+ ///
+ /// https://docs.influxdata.com/influxdb/cloud/reference/syntax/line-protocol/#float
+ /// IEEE-754 64-bit floating-point numbers. Default numerical type.
+ /// InfluxDB supports scientific notation in float field values, but this crate does not serialize them.
+ fn escape_float(v: &f64) -> String {
+ v.to_string()
+ }
+
+ /// Escapes a Rust bool to InfluxDB Line Protocol
+ ///
+ /// https://docs.influxdata.com/influxdb/cloud/reference/syntax/line-protocol/#boolean
+ /// Stores true or false values.
+ fn escape_boolean(v: &bool) -> String {
+ if *v {
+ "true"
+ } else {
+ "false"
+ }
+ .to_string()
+ }
+
+ /// Escapes a Rust i64 to InfluxDB Line Protocol
+ ///
+ /// https://docs.influxdata.com/influxdb/cloud/reference/syntax/line-protocol/#integer
+ /// Signed 64-bit integers. Trailing i on the number specifies an integer.
+ fn escape_signed_integer(v: &i64) -> String {
+ format!("{}i", v)
+ }
+
+ /// Escapes a Rust u64 to InfluxDB Line Protocol
+ ///
+ /// https://docs.influxdata.com/influxdb/cloud/reference/syntax/line-protocol/#uinteger
+ /// Unsigned 64-bit integers. Trailing u on the number specifies an unsigned integer.
+ ///
+ /// InfluxDB version 1 does not know unsigned, we fallback to (signed) integer:
+ /// https://docs.influxdata.com/influxdb/v1/write_protocols/line_protocol_tutorial/#data-types
+ fn escape_unsigned_integer(v: &u64, use_v2: bool) -> String {
+ if use_v2 {
+ format!("{}u", v)
+ } else {
+ format!("{}i", v)
+ }
+ }
}
#[cfg(test)]
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