02fc4ad0a9
Schema pull was used by legacy schema code which is not supported for a long time now and during legacy recovery which is no longer supported as well. It can be dropped now.
51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
/*
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* Copyright (C) 2024-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
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*/
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#include "replica/database.hh"
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#include "streaming/table_check.hh"
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#include "service/migration_manager.hh"
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namespace streaming {
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future<table_dropped> table_sync_and_check(replica::database& db, service::migration_manager& mm, const table_id& uuid) {
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// Trigger read barrier to synchronize schema.
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co_await mm.get_group0_barrier().trigger(mm.get_abort_source());
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co_return !db.column_family_exists(uuid);
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}
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future<table_dropped> with_table_drop_silenced(replica::database& db, service::migration_manager& mm, const table_id& uuid,
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std::function<future<>(const table_id&)> f) {
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std::exception_ptr ex = nullptr;
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try {
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co_await f(uuid);
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co_return table_dropped::no;
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} catch (replica::no_such_column_family&) {
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// No need to synchronize while we know the table was dropped.
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} catch (...) {
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// This node may still see a table while it is dropped on the remote node
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// and so the remote node returns an error. In that case we want to skip
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// that table and continue with the operation.
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//
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// But since RPC does not enable returning the exception type, the cause
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// of the failure cannot be determined. Synchronize schema to see the latest
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// changes and determine whether the table was dropped.
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ex = std::current_exception();
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}
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if (ex) {
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auto dropped = co_await table_sync_and_check(db, mm, uuid);
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if (!dropped) {
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co_await coroutine::return_exception_ptr(std::move(ex));
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}
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}
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co_return table_dropped::yes;
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}
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}
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