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MCOL-66 - Make the DDL and DML parsers re-entrant.

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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.
This commit is contained in:
David Hall
2016-07-20 10:13:28 -05:00
parent 3f16e1f4b1
commit 6d11ce030d
28 changed files with 1561 additions and 1027 deletions
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18
dbcon/ddlpackage/sqlparser.cpp
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@ -1,4 +1,5 @@
/* Copyright (C) 2014 InfiniDB, Inc.
Copyright (C) 2016 MariaDB Corporation
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
@ -34,12 +35,13 @@
#include "ddl-gram.h"
#endif
void scanner_finish(void);
void scanner_init(const char *str);
void scanner_finish(void* yyscanner);
void scanner_init(const char *str, void* yyscanner);
void grammar_init(ddlpackage::ParseTree *ptree, bool);
int ddllex_init_extra(void* user_defined,void** yyscanner);
int ddllex_destroy(void* yyscanner);
int ddlparse(void* yyscanner);
void set_schema(std::string schema);
int ddlparse();
namespace ddlpackage {
using namespace std;
@ -62,9 +64,10 @@ namespace ddlpackage {
int SqlParser::Parse(const char* sqltext)
{
scanner_init(sqltext);
ddllex_init_extra(&scanData, &scanner);
scanner_init(sqltext, scanner);
grammar_init(&fParseTree, fDebug);
fStatus = ddlparse();
fStatus = ddlparse(scanner);
return fStatus;
}
@ -86,7 +89,8 @@ namespace ddlpackage {
SqlParser::~SqlParser()
{
scanner_finish(); // free scanner allocated memory
scanner_finish(scanner); // free scanner allocated memory
ddllex_destroy(scanner);
}