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84 lines
2.3 KiB
C++
84 lines
2.3 KiB
C++
#include <DB/Parsers/ASTInsertQuery.h>
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#include <DB/Parsers/ASTSelectQuery.h>
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#include <DB/Parsers/ASTCreateQuery.h>
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#include <DB/Parsers/ASTDropQuery.h>
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#include <DB/Interpreters/InterpreterSelectQuery.h>
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#include <DB/Interpreters/InterpreterInsertQuery.h>
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#include <DB/Interpreters/InterpreterCreateQuery.h>
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#include <DB/Interpreters/InterpreterDropQuery.h>
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#include <DB/Interpreters/InterpreterQuery.h>
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namespace DB
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{
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InterpreterQuery::InterpreterQuery(ASTPtr query_ptr_, Context & context_, QueryProcessingStage::Enum stage_)
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: query_ptr(query_ptr_), context(context_), stage(stage_)
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{
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}
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void InterpreterQuery::execute(WriteBuffer & ostr, ReadBuffer * remaining_data_istr, BlockInputStreamPtr & query_plan)
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{
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if (dynamic_cast<ASTSelectQuery *>(&*query_ptr))
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{
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InterpreterSelectQuery interpreter(query_ptr, context, stage);
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query_plan = interpreter.executeAndFormat(ostr);
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}
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else if (dynamic_cast<ASTInsertQuery *>(&*query_ptr))
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{
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InterpreterInsertQuery interpreter(query_ptr, context);
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interpreter.execute(remaining_data_istr);
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}
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else if (dynamic_cast<ASTCreateQuery *>(&*query_ptr))
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{
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InterpreterCreateQuery interpreter(query_ptr, context);
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interpreter.execute();
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}
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else if (dynamic_cast<ASTDropQuery *>(&*query_ptr))
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{
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InterpreterDropQuery interpreter(query_ptr, context);
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interpreter.execute();
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}
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else
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throw Exception("Unknown type of query: " + query_ptr->getID(), ErrorCodes::UNKNOWN_TYPE_OF_QUERY);
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}
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BlockIO InterpreterQuery::execute()
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{
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BlockIO res;
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if (dynamic_cast<ASTSelectQuery *>(&*query_ptr))
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{
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InterpreterSelectQuery interpreter(query_ptr, context);
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res.in = interpreter.execute();
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res.in_sample = interpreter.getSampleBlock();
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}
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else if (dynamic_cast<ASTInsertQuery *>(&*query_ptr))
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{
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InterpreterInsertQuery interpreter(query_ptr, context);
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res.out = interpreter.execute();
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res.out_sample = interpreter.getSampleBlock();
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}
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else if (dynamic_cast<ASTCreateQuery *>(&*query_ptr))
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{
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InterpreterCreateQuery interpreter(query_ptr, context);
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interpreter.execute();
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}
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else if (dynamic_cast<ASTDropQuery *>(&*query_ptr))
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{
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InterpreterDropQuery interpreter(query_ptr, context);
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interpreter.execute();
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}
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else
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throw Exception("Unknown type of query: " + query_ptr->getID(), ErrorCodes::UNKNOWN_TYPE_OF_QUERY);
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return res;
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}
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}
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