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use proc_macro2::Ident; use quote::quote; pub fn eq(type_name: &Ident) -> proc_macro2::TokenStream { let pg_name = Ident::new( &format!("{}_eq", type_name).to_lowercase(), type_name.span(), ); quote! { #[allow(non_snake_case)] #[pg_operator(immutable, parallel_safe)] #[opname(=)] #[negator(<>)] #[restrict(eqsel)] #[join(eqjoinsel)] #[merges] #[hashes] fn #pg_name(left: #type_name, right: #type_name) -> bool { left == right } } } pub fn ne(type_name: &Ident) -> proc_macro2::TokenStream { let pg_name = Ident::new( &format!("{}_ne", type_name).to_lowercase(), type_name.span(), ); quote! { #[allow(non_snake_case)] #[pg_operator(immutable, parallel_safe)] #[opname(<>)] #[negator(=)] #[restrict(neqsel)] #[join(neqjoinsel)] fn #pg_name(left: #type_name, right: #type_name) -> bool { left != right } } } pub fn lt(type_name: &Ident) -> proc_macro2::TokenStream { let pg_name = Ident::new( &format!("{}_lt", type_name).to_lowercase(), type_name.span(), ); quote! { #[allow(non_snake_case)] #[pg_operator(immutable, parallel_safe)] #[opname(<)] #[negator(>=)] #[commutator(>)] #[restrict(scalarltsel)] #[join(scalarltjoinsel)] fn #pg_name(left: #type_name, right: #type_name) -> bool { left < right } } } pub fn gt(type_name: &Ident) -> proc_macro2::TokenStream { let pg_name = Ident::new( &format!("{}_gt", type_name).to_lowercase(), type_name.span(), ); quote! { #[allow(non_snake_case)] #[pg_operator(immutable, parallel_safe)] #[opname(>)] #[negator(<=)] #[commutator(<)] #[restrict(scalargtsel)] #[join(scalargtjoinsel)] fn #pg_name(left: #type_name, right: #type_name) -> bool { left > right } } } pub fn le(type_name: &Ident) -> proc_macro2::TokenStream { let pg_name = Ident::new( &format!("{}_le", type_name).to_lowercase(), type_name.span(), ); quote! { #[allow(non_snake_case)] #[pg_operator(immutable, parallel_safe)] #[opname(<=)] #[negator(>)] #[commutator(>=)] #[restrict(scalarlesel)] #[join(scalarlejoinsel)] fn #pg_name(left: #type_name, right: #type_name) -> bool { left <= right } } } pub fn ge(type_name: &Ident) -> proc_macro2::TokenStream { let pg_name = Ident::new( &format!("{}_ge", type_name).to_lowercase(), type_name.span(), ); quote! { #[allow(non_snake_case)] #[pg_operator(immutable, parallel_safe)] #[opname(>=)] #[negator(<)] #[commutator(<=)] #[restrict(scalargesel)] #[join(scalargejoinsel)] fn #pg_name(left: #type_name, right: #type_name) -> bool { left >= right } } } pub fn cmp(type_name: &Ident) -> proc_macro2::TokenStream { let pg_name = Ident::new( &format!("{}_cmp", type_name).to_lowercase(), type_name.span(), ); quote! { #[allow(non_snake_case)] #[pg_extern(immutable, parallel_safe)] fn #pg_name(left: #type_name, right: #type_name) -> i32 { left.cmp(&right) as i32 } } } pub fn hash(type_name: &Ident) -> proc_macro2::TokenStream { let pg_name = Ident::new( &format!("{}_hash", type_name).to_lowercase(), type_name.span(), ); quote! { #[allow(non_snake_case)] #[pg_extern(immutable, parallel_safe)] fn #pg_name(value: #type_name) -> i32 { pgx::misc::pgx_seahash(&value) as i32 } } }