ClickHouse/dbms/include/DB/Interpreters/InterpreterOptimizeQuery.h

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#pragma once
#include <DB/Storages/IStorage.h>
#include <DB/Parsers/ASTOptimizeQuery.h>
#include <DB/Interpreters/Context.h>
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#include <DB/Interpreters/IInterpreter.h>
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namespace DB
{
/** Просто вызвать метод optimize у таблицы.
*/
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class InterpreterOptimizeQuery : public IInterpreter
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{
public:
InterpreterOptimizeQuery(ASTPtr query_ptr_, Context & context_)
: query_ptr(query_ptr_), context(context_)
{
}
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BlockIO execute() override
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{
const ASTOptimizeQuery & ast = typeid_cast<const ASTOptimizeQuery &>(*query_ptr);
if (ast.final && ast.partition.empty())
throw Exception("FINAL flag for OPTIMIZE query is meaningful only with specified PARTITION", ErrorCodes::BAD_ARGUMENTS);
StoragePtr table = context.getTable(ast.database, ast.table);
auto table_lock = table->lockStructure(true);
table->optimize(ast.partition, ast.final, context.getSettings());
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return {};
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}
private:
ASTPtr query_ptr;
Context context;
};
}