mirror of
https://github.com/mariadb-corporation/mariadb-columnstore-engine.git
synced 2025-04-26 11:48:52 +03:00
6d11ce030d
Serialize all DDL because the VVS can't handle modifying the same block simultaneously Fix the CTRL+C logic in DML that caused COMMIT issues.
140 lines
3.0 KiB
C++
140 lines
3.0 KiB
C++
/* Copyright (C) 2014 InfiniDB, Inc.
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Copyright (C) 2016 MariaDB Corporation
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/***********************************************************************
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* $Id: sqlparser.cpp 9210 2013-01-21 14:10:42Z rdempsey $
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*
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*
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***********************************************************************/
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#include <fstream>
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#include <errno.h>
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#define DDLPKGSQLPARSER_DLLEXPORT
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#include "sqlparser.h"
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#undef DDLPKGSQLPARSER_DLLEXPORT
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#ifdef _MSC_VER
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#include "ddl-gram-win.h"
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#else
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#include "ddl-gram.h"
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#endif
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void scanner_finish(void* yyscanner);
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void scanner_init(const char *str, void* yyscanner);
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void grammar_init(ddlpackage::ParseTree *ptree, bool);
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int ddllex_init_extra(void* user_defined,void** yyscanner);
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int ddllex_destroy(void* yyscanner);
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int ddlparse(void* yyscanner);
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void set_schema(std::string schema);
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namespace ddlpackage {
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using namespace std;
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SqlParser::SqlParser() :
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fStatus(-1),
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fDebug(false)
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{
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}
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void SqlParser::SetDebug(bool debug)
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{
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fDebug = debug;
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}
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void SqlParser::setDefaultSchema(std::string schema)
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{
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set_schema(schema);
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}
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int SqlParser::Parse(const char* sqltext)
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{
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ddllex_init_extra(&scanData, &scanner);
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scanner_init(sqltext, scanner);
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grammar_init(&fParseTree, fDebug);
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fStatus = ddlparse(scanner);
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return fStatus;
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}
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const ParseTree& SqlParser::GetParseTree(void)
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{
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if(!Good()) {
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throw logic_error("The ParseTree is invalid");
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}
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return fParseTree;
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}
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bool SqlParser::Good()
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{
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return fStatus == 0;
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}
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SqlParser::~SqlParser()
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{
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scanner_finish(scanner); // free scanner allocated memory
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ddllex_destroy(scanner);
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}
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SqlFileParser::SqlFileParser() :
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SqlParser()
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{
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}
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int SqlFileParser::Parse(const string& sqlfile)
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{
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fStatus = -1;
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int ddlparse();
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ifstream ifsql;
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ifsql.open(sqlfile.c_str());
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if(!ifsql.is_open()) {
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perror(sqlfile.c_str());
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return fStatus;
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}
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char sqlbuf[1024*1024];
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unsigned length;
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ifsql.seekg (0, ios::end);
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length = ifsql.tellg();
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ifsql.seekg (0, ios::beg);
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if(length > sizeof(sqlbuf) - 1) {
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throw length_error("SqlFileParser has file size hard limit of 16K.");
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}
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unsigned rcount;
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rcount = ifsql.readsome(sqlbuf, sizeof(sqlbuf) - 1);
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if(rcount < 0)
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return fStatus;
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sqlbuf[rcount] = 0;
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//cout << endl << sqlfile << "(" << rcount << ")" << endl;
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//cout << "----------------------" << endl;
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//cout << sqlbuf << endl;
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return SqlParser::Parse(sqlbuf);
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}
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}
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