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20 lines
615 B
C++
20 lines
615 B
C++
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#pragma once
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#include <base/types.h>
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#include <memory>
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#include <optional>
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namespace DB
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{
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class IAST;
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class Context;
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using ContextPtr = std::shared_ptr<const Context>;
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/// Extracts a zookeeper path from a specified CREATE TABLE query. Returns std::nullopt if fails.
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/// The function takes the first argument of the ReplicatedMergeTree table engine and expands macros in it.
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/// It works like a part of what the create() function in registerStorageMergeTree.cpp does but in a simpler manner.
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std::optional<String> tryExtractZkPathFromCreateQuery(const IAST & create_query, const ContextPtr & global_context);
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}
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