ClickHouse/src/Interpreters/InterpreterShowFunctionsQuery.h
Julia Kartseva 59844b0a9d Add SHOW FUNCTIONS support to client
Accepts CH client queries in the form of
SHOW FUNCTIONS [LIKE | ILIKE '< pattern>']

Retrieves all columns from `functions` table in system database.

Fixes #52757
2023-09-07 14:08:50 -07:00

28 lines
510 B
C++

#pragma once
#include <Interpreters/IInterpreter.h>
#include <Parsers/IAST_fwd.h>
namespace DB
{
class Context;
class InterpreterShowFunctionsQuery : public IInterpreter, WithMutableContext
{
public:
InterpreterShowFunctionsQuery(const ASTPtr & query_ptr_, ContextMutablePtr context_);
BlockIO execute() override;
bool ignoreQuota() const override { return true; }
bool ignoreLimits() const override { return true; }
private:
ASTPtr query_ptr;
String getRewrittenQuery();
};
}