ClickHouse/dbms/src/Interpreters/InterpreterQuery.cpp

214 lines
6.3 KiB
C++

#include <DB/Parsers/ASTInsertQuery.h>
#include <DB/Parsers/ASTSelectQuery.h>
#include <DB/Parsers/ASTCreateQuery.h>
#include <DB/Parsers/ASTDropQuery.h>
#include <DB/Parsers/ASTRenameQuery.h>
#include <DB/Parsers/ASTShowTablesQuery.h>
#include <DB/Parsers/ASTUseQuery.h>
#include <DB/Parsers/ASTSetQuery.h>
#include <DB/Parsers/ASTOptimizeQuery.h>
#include <DB/Parsers/ASTAlterQuery.h>
#include <DB/Parsers/TablePropertiesQueriesASTs.h>
#include <DB/Interpreters/InterpreterSelectQuery.h>
#include <DB/Interpreters/InterpreterInsertQuery.h>
#include <DB/Interpreters/InterpreterCreateQuery.h>
#include <DB/Interpreters/InterpreterDropQuery.h>
#include <DB/Interpreters/InterpreterRenameQuery.h>
#include <DB/Interpreters/InterpreterShowTablesQuery.h>
#include <DB/Interpreters/InterpreterUseQuery.h>
#include <DB/Interpreters/InterpreterSetQuery.h>
#include <DB/Interpreters/InterpreterOptimizeQuery.h>
#include <DB/Interpreters/InterpreterExistsQuery.h>
#include <DB/Interpreters/InterpreterDescribeQuery.h>
#include <DB/Interpreters/InterpreterShowCreateQuery.h>
#include <DB/Interpreters/InterpreterQuery.h>
#include <DB/Interpreters/InterpreterAlterQuery.h>
#include <DB/Interpreters/InterpreterShowProcesslistQuery.h>
namespace DB
{
InterpreterQuery::InterpreterQuery(ASTPtr query_ptr_, Context & context_, QueryProcessingStage::Enum stage_)
: query_ptr(query_ptr_), context(context_), stage(stage_)
{
}
void InterpreterQuery::execute(WriteBuffer & ostr, ReadBuffer * remaining_data_istr, BlockInputStreamPtr & query_plan)
{
if (dynamic_cast<ASTSelectQuery *>(&*query_ptr))
{
InterpreterSelectQuery interpreter(query_ptr, context, stage);
query_plan = interpreter.executeAndFormat(ostr);
}
else if (dynamic_cast<ASTInsertQuery *>(&*query_ptr))
{
throwIfReadOnly();
InterpreterInsertQuery interpreter(query_ptr, context);
interpreter.execute(remaining_data_istr);
}
else if (dynamic_cast<ASTCreateQuery *>(&*query_ptr))
{
throwIfReadOnly();
InterpreterCreateQuery interpreter(query_ptr, context);
interpreter.execute();
}
else if (dynamic_cast<ASTDropQuery *>(&*query_ptr))
{
throwIfReadOnly();
InterpreterDropQuery interpreter(query_ptr, context);
interpreter.execute();
}
else if (dynamic_cast<ASTRenameQuery *>(&*query_ptr))
{
throwIfReadOnly();
InterpreterRenameQuery interpreter(query_ptr, context);
interpreter.execute();
}
else if (dynamic_cast<ASTShowTablesQuery *>(&*query_ptr))
{
InterpreterShowTablesQuery interpreter(query_ptr, context);
query_plan = interpreter.executeAndFormat(ostr);
}
else if (dynamic_cast<ASTUseQuery *>(&*query_ptr))
{
InterpreterUseQuery interpreter(query_ptr, context);
interpreter.execute();
}
else if (dynamic_cast<ASTSetQuery *>(&*query_ptr))
{
throwIfReadOnly();
InterpreterSetQuery interpreter(query_ptr, context);
interpreter.execute();
}
else if (dynamic_cast<ASTOptimizeQuery *>(&*query_ptr))
{
throwIfReadOnly();
InterpreterOptimizeQuery interpreter(query_ptr, context);
interpreter.execute();
}
else if (dynamic_cast<ASTExistsQuery *>(&*query_ptr))
{
InterpreterExistsQuery interpreter(query_ptr, context);
query_plan = interpreter.executeAndFormat(ostr);
}
else if (dynamic_cast<ASTShowCreateQuery *>(&*query_ptr))
{
InterpreterShowCreateQuery interpreter(query_ptr, context);
query_plan = interpreter.executeAndFormat(ostr);
}
else if (dynamic_cast<ASTDescribeQuery *>(&*query_ptr))
{
InterpreterDescribeQuery interpreter(query_ptr, context);
query_plan = interpreter.executeAndFormat(ostr);
}
else if (dynamic_cast<ASTShowProcesslistQuery *>(&*query_ptr))
{
InterpreterShowProcesslistQuery interpreter(query_ptr, context);
query_plan = interpreter.executeAndFormat(ostr);
}
else if (dynamic_cast<ASTAlterQuery *>(&*query_ptr))
{
throwIfReadOnly();
InterpreterAlterQuery interpreter(query_ptr, context);
interpreter.execute();
}
else
throw Exception("Unknown type of query: " + query_ptr->getID(), ErrorCodes::UNKNOWN_TYPE_OF_QUERY);
}
BlockIO InterpreterQuery::execute()
{
BlockIO res;
if (dynamic_cast<ASTSelectQuery *>(&*query_ptr))
{
InterpreterSelectQuery interpreter(query_ptr, context, stage);
res.in = interpreter.execute();
res.in_sample = interpreter.getSampleBlock();
}
else if (dynamic_cast<ASTInsertQuery *>(&*query_ptr))
{
throwIfReadOnly();
InterpreterInsertQuery interpreter(query_ptr, context);
res = interpreter.execute();
}
else if (dynamic_cast<ASTCreateQuery *>(&*query_ptr))
{
throwIfReadOnly();
InterpreterCreateQuery interpreter(query_ptr, context);
interpreter.execute();
}
else if (dynamic_cast<ASTDropQuery *>(&*query_ptr))
{
throwIfReadOnly();
InterpreterDropQuery interpreter(query_ptr, context);
interpreter.execute();
}
else if (dynamic_cast<ASTRenameQuery *>(&*query_ptr))
{
throwIfReadOnly();
InterpreterRenameQuery interpreter(query_ptr, context);
interpreter.execute();
}
else if (dynamic_cast<ASTShowTablesQuery *>(&*query_ptr))
{
InterpreterShowTablesQuery interpreter(query_ptr, context);
res = interpreter.execute();
}
else if (dynamic_cast<ASTUseQuery *>(&*query_ptr))
{
InterpreterUseQuery interpreter(query_ptr, context);
interpreter.execute();
}
else if (dynamic_cast<ASTSetQuery *>(&*query_ptr))
{
throwIfReadOnly();
InterpreterSetQuery interpreter(query_ptr, context);
interpreter.execute();
}
else if (dynamic_cast<ASTOptimizeQuery *>(&*query_ptr))
{
throwIfReadOnly();
InterpreterOptimizeQuery interpreter(query_ptr, context);
interpreter.execute();
}
else if (dynamic_cast<ASTExistsQuery *>(&*query_ptr))
{
InterpreterExistsQuery interpreter(query_ptr, context);
res = interpreter.execute();
}
else if (dynamic_cast<ASTShowCreateQuery *>(&*query_ptr))
{
InterpreterShowCreateQuery interpreter(query_ptr, context);
res = interpreter.execute();
}
else if (dynamic_cast<ASTDescribeQuery *>(&*query_ptr))
{
InterpreterDescribeQuery interpreter(query_ptr, context);
res = interpreter.execute();
}
else if (dynamic_cast<ASTShowProcesslistQuery *>(&*query_ptr))
{
InterpreterShowProcesslistQuery interpreter(query_ptr, context);
res = interpreter.execute();
}
else if (dynamic_cast<ASTAlterQuery *>(&*query_ptr))
{
throwIfReadOnly();
InterpreterAlterQuery interpreter(query_ptr, context);
interpreter.execute();
}
else
throw Exception("Unknown type of query: " + query_ptr->getID(), ErrorCodes::UNKNOWN_TYPE_OF_QUERY);
return res;
}
}