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use std::fmt::{self, Display, Formatter}; use crate::type_info::TypeInfo; #[cfg(feature = "postgres")] use crate::postgres::PgTypeInfo; #[cfg(feature = "mysql")] use crate::mysql::MySqlTypeInfo; #[cfg(feature = "sqlite")] use crate::sqlite::SqliteTypeInfo; #[cfg(feature = "mssql")] use crate::mssql::MssqlTypeInfo; #[derive(Debug, Clone, PartialEq)] pub struct AnyTypeInfo(pub(crate) AnyTypeInfoKind); #[derive(Debug, Clone, PartialEq)] pub(crate) enum AnyTypeInfoKind { #[cfg(feature = "postgres")] Postgres(PgTypeInfo), #[cfg(feature = "mysql")] MySql(MySqlTypeInfo), #[cfg(feature = "sqlite")] Sqlite(SqliteTypeInfo), #[cfg(feature = "mssql")] Mssql(MssqlTypeInfo), } impl TypeInfo for AnyTypeInfo { fn is_null(&self) -> bool { match &self.0 { #[cfg(feature = "postgres")] AnyTypeInfoKind::Postgres(ty) => ty.is_null(), #[cfg(feature = "mysql")] AnyTypeInfoKind::MySql(ty) => ty.is_null(), #[cfg(feature = "sqlite")] AnyTypeInfoKind::Sqlite(ty) => ty.is_null(), #[cfg(feature = "mssql")] AnyTypeInfoKind::Mssql(ty) => ty.is_null(), } } fn name(&self) -> &str { match &self.0 { #[cfg(feature = "postgres")] AnyTypeInfoKind::Postgres(ty) => ty.name(), #[cfg(feature = "mysql")] AnyTypeInfoKind::MySql(ty) => ty.name(), #[cfg(feature = "sqlite")] AnyTypeInfoKind::Sqlite(ty) => ty.name(), #[cfg(feature = "mssql")] AnyTypeInfoKind::Mssql(ty) => ty.name(), } } } impl Display for AnyTypeInfo { fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result { match &self.0 { #[cfg(feature = "postgres")] AnyTypeInfoKind::Postgres(ty) => ty.fmt(f), #[cfg(feature = "mysql")] AnyTypeInfoKind::MySql(ty) => ty.fmt(f), #[cfg(feature = "sqlite")] AnyTypeInfoKind::Sqlite(ty) => ty.fmt(f), #[cfg(feature = "mssql")] AnyTypeInfoKind::Mssql(ty) => ty.fmt(f), } } }