File size: 2,319 Bytes
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// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: MIT
use serde_json::Value as JsonValue;
use sqlx::{sqlite::SqliteValueRef, TypeInfo, Value, ValueRef};
use time::{Date, PrimitiveDateTime, Time};
use crate::Error;
pub(crate) fn to_json(v: SqliteValueRef) -> Result<JsonValue, Error> {
if v.is_null() {
return Ok(JsonValue::Null);
}
let res = match v.type_info().name() {
"TEXT" => {
if let Ok(v) = v.to_owned().try_decode() {
JsonValue::String(v)
} else {
JsonValue::Null
}
}
"REAL" => {
if let Ok(v) = v.to_owned().try_decode::<f64>() {
JsonValue::from(v)
} else {
JsonValue::Null
}
}
"INTEGER" | "NUMERIC" => {
if let Ok(v) = v.to_owned().try_decode::<i64>() {
JsonValue::Number(v.into())
} else {
JsonValue::Null
}
}
"BOOLEAN" => {
if let Ok(v) = v.to_owned().try_decode() {
JsonValue::Bool(v)
} else {
JsonValue::Null
}
}
"DATE" => {
if let Ok(v) = v.to_owned().try_decode::<Date>() {
JsonValue::String(v.to_string())
} else {
JsonValue::Null
}
}
"TIME" => {
if let Ok(v) = v.to_owned().try_decode::<Time>() {
JsonValue::String(v.to_string())
} else {
JsonValue::Null
}
}
"DATETIME" => {
if let Ok(v) = v.to_owned().try_decode::<PrimitiveDateTime>() {
JsonValue::String(v.to_string())
} else {
JsonValue::Null
}
}
"BLOB" => {
if let Ok(v) = v.to_owned().try_decode::<Vec<u8>>() {
JsonValue::Array(v.into_iter().map(|n| JsonValue::Number(n.into())).collect())
} else {
JsonValue::Null
}
}
"NULL" => JsonValue::Null,
_ => return Err(Error::UnsupportedDatatype(v.type_info().name().to_string())),
};
Ok(res)
}
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