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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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15
dbcon/ddlpackage/sqlparser.h
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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
@ -67,6 +68,18 @@ typedef SqlStatementList ParseTree;
@endverbatim
*/
/*
Instance specific data for use by the scanner.
*/
typedef std::vector<char*> valbuf_t;
struct scan_data
{
/* Handles to the buffer that the lexer uses internally */
char* scanbuf;
void* scanbufhandle; // This is a YY_BUFFER_STATE defined in ddl-scan.cpp
valbuf_t valbuf;
};
class SqlParser
{
@ -102,6 +115,8 @@ protected:
ParseTree fParseTree;
int fStatus; ///< return from yyparse() stored here.
bool fDebug; ///< Turn on bison debugging.
void* scanner; // yyscan_t * needed for re-entrant flex scanner
scan_data scanData;
};