40 lines
1.3 KiB
Rust
40 lines
1.3 KiB
Rust
/// Implements FromSql trait for any de-serializable type
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macro_rules! json_from_sql {
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($t:ty) => {
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impl<'a> postgres_types::FromSql<'a> for $t {
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fn from_sql(
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ty: &postgres_types::Type,
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raw: &'a [u8],
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) -> Result<$t, Box<dyn std::error::Error + Sync + Send>> {
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let postgres_types::Json(json_value) =
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postgres_types::Json::<serde_json::Value>::from_sql(ty, raw)?;
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let value: $t = serde_json::from_value(json_value)?;
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Ok(value)
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}
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postgres_types::accepts!(JSON, JSONB);
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}
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};
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}
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/// Implements ToSql trait for any serializable type
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macro_rules! json_to_sql {
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($t:ty) => {
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impl postgres_types::ToSql for $t {
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fn to_sql(
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&self,
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ty: &postgres_types::Type,
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out: &mut postgres_types::private::BytesMut,
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) -> Result<postgres_types::IsNull, Box<dyn std::error::Error + Sync + Send>> {
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let value = serde_json::to_value(self)?;
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postgres_types::Json(value).to_sql(ty, out)
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}
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postgres_types::accepts!(JSON, JSONB);
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postgres_types::to_sql_checked!();
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}
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};
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}
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pub(crate) use {json_from_sql, json_to_sql};
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