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multiple requests to the structure of a tables at once(batching)

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Priec
2026-04-30 11:48:03 +02:00
parent b928004c76
commit 1f9c29411e
6 changed files with 63 additions and 49 deletions
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68
common/src/proto/komp_ac.table_structure.rs
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@@ -1,17 +1,27 @@
// This file is @generated by prost-build.
/// Request identifying the profile (schema) and table to inspect.
/// Request identifying the profile (schema) and tables to inspect.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct GetTableStructureRequest {
/// Required. Profile (PostgreSQL schema) name. Must exist in `schemas`.
#[prost(string, tag = "1")]
pub profile_name: ::prost::alloc::string::String,
/// Required. Table name within the profile. Must exist in `table_definitions`
/// for the given profile. The physical table is then introspected via
/// information_schema.
#[prost(string, tag = "2")]
pub table_name: ::prost::alloc::string::String,
/// Required. Table names within the profile. Each must exist in
/// `table_definitions` for the given profile. The physical tables are then
/// introspected via information_schema.
#[prost(string, repeated, tag = "2")]
pub table_names: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
}
/// Response with the ordered list of columns (by ordinal position).
/// Batched response keyed by table name.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct GetTableStructureResponse {
/// Per-table physical column lists keyed by requested table name.
#[prost(map = "string, message", tag = "1")]
pub table_structures: ::std::collections::HashMap<
::prost::alloc::string::String,
TableStructureResponse,
>,
}
/// Response with the ordered list of columns (by ordinal position) for one table.
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct TableStructureResponse {
/// Columns of the physical table, including system columns (id, deleted,
@@ -55,14 +65,13 @@ pub mod table_structure_service_client {
)]
use tonic::codegen::*;
use tonic::codegen::http::Uri;
/// Introspects the physical PostgreSQL table for a given logical table
/// (defined in table_definitions) and returns its column structure.
/// Introspects the physical PostgreSQL tables for one or more logical tables
/// (defined in table_definitions) and returns their column structures.
/// The server validates that:
/// - The profile (schema) exists in `schemas`
/// - The table is defined for that profile in `table_definitions`
/// It then queries information_schema for the physical table and returns
/// normalized column metadata. If the physical table is missing despite
/// a definition, the response may contain an empty `columns` list.
/// - Every table is defined for that profile in `table_definitions`
/// It then queries information_schema for the physical tables and returns
/// normalized column metadata.
#[derive(Debug, Clone)]
pub struct TableStructureServiceClient<T> {
inner: tonic::client::Grpc<T>,
@@ -144,20 +153,20 @@ pub mod table_structure_service_client {
self
}
/// Return the physical column list (name, normalized data_type,
/// nullability, primary key flag) for a table in a profile.
/// nullability, primary key flag) for one or more tables in a profile.
///
/// Behavior:
/// - NOT_FOUND if profile doesn't exist in `schemas`
/// - NOT_FOUND if table not defined for that profile in `table_definitions`
/// - NOT_FOUND if any table is not defined for that profile in `table_definitions`
/// - Queries information_schema.columns ordered by ordinal position
/// - Normalizes data_type text (details under TableColumn.data_type)
/// - Returns an empty list if the table is validated but has no visible
/// columns in information_schema (e.g., physical table missing)
/// - Returns an error if any validated table has no visible columns in
/// information_schema (e.g., physical table missing)
pub async fn get_table_structure(
&mut self,
request: impl tonic::IntoRequest<super::GetTableStructureRequest>,
) -> std::result::Result<
tonic::Response<super::TableStructureResponse>,
tonic::Response<super::GetTableStructureResponse>,
tonic::Status,
> {
self.inner
@@ -198,31 +207,30 @@ pub mod table_structure_service_server {
#[async_trait]
pub trait TableStructureService: std::marker::Send + std::marker::Sync + 'static {
/// Return the physical column list (name, normalized data_type,
/// nullability, primary key flag) for a table in a profile.
/// nullability, primary key flag) for one or more tables in a profile.
///
/// Behavior:
/// - NOT_FOUND if profile doesn't exist in `schemas`
/// - NOT_FOUND if table not defined for that profile in `table_definitions`
/// - NOT_FOUND if any table is not defined for that profile in `table_definitions`
/// - Queries information_schema.columns ordered by ordinal position
/// - Normalizes data_type text (details under TableColumn.data_type)
/// - Returns an empty list if the table is validated but has no visible
/// columns in information_schema (e.g., physical table missing)
/// - Returns an error if any validated table has no visible columns in
/// information_schema (e.g., physical table missing)
async fn get_table_structure(
&self,
request: tonic::Request<super::GetTableStructureRequest>,
) -> std::result::Result<
tonic::Response<super::TableStructureResponse>,
tonic::Response<super::GetTableStructureResponse>,
tonic::Status,
>;
}
/// Introspects the physical PostgreSQL table for a given logical table
/// (defined in table_definitions) and returns its column structure.
/// Introspects the physical PostgreSQL tables for one or more logical tables
/// (defined in table_definitions) and returns their column structures.
/// The server validates that:
/// - The profile (schema) exists in `schemas`
/// - The table is defined for that profile in `table_definitions`
/// It then queries information_schema for the physical table and returns
/// normalized column metadata. If the physical table is missing despite
/// a definition, the response may contain an empty `columns` list.
/// - Every table is defined for that profile in `table_definitions`
/// It then queries information_schema for the physical tables and returns
/// normalized column metadata.
#[derive(Debug)]
pub struct TableStructureServiceServer<T> {
inner: Arc<T>,
@@ -307,7 +315,7 @@ pub mod table_structure_service_server {
T: TableStructureService,
> tonic::server::UnaryService<super::GetTableStructureRequest>
for GetTableStructureSvc<T> {
type Response = super::TableStructureResponse;
type Response = super::GetTableStructureResponse;
type Future = BoxFuture<
tonic::Response<Self::Response>,
tonic::Status,