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#pragma once
#include <Interpreters/Context_fwd.h>
namespace Poco { namespace Util { class AbstractConfiguration; } }
namespace DB
{
class ASTCreateNamedCollectionQuery;
class ASTAlterNamedCollectionQuery;
class ASTDropNamedCollectionQuery;
namespace NamedCollectionUtils
{
enum class SourceId
{
NONE = 0,
CONFIG = 1,
SQL = 2,
};
void loadFromConfig(const Poco::Util::AbstractConfiguration & config);
void reloadFromConfig(const Poco::Util::AbstractConfiguration & config);
/// Load named collections from `context->getPath() / named_collections /`.
void loadFromSQL(ContextPtr context);
/// Remove collection as well as its metadata from `context->getPath() / named_collections /`.
void removeFromSQL(const ASTDropNamedCollectionQuery & query, ContextPtr context);
/// Create a new collection from AST and put it to `context->getPath() / named_collections /`.
void createFromSQL(const ASTCreateNamedCollectionQuery & query, ContextPtr context);
/// Update definition of already existing collection from AST and update result in `context->getPath() / named_collections /`.
void updateFromSQL(const ASTAlterNamedCollectionQuery & query, ContextPtr context);
void loadIfNot();
}
}
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