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openLooKeng / hetu-odbc-driverCLGPL-2.1

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The ODBC driver of openLooKeng provides the ODBC interconnection capability for openLooKeng. spread retract

  • C 95.8%
  • CMake 2.7%
  • Shell 0.5%
  • C++ 0.4%
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ma_parse.h 4.04 KB
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/************************************************************************************
Copyright (C) 2013,2018 MariaDB Corporation AB
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not see <http://www.gnu.org/licenses>
or write to the Free Software Foundation, Inc.,
51 Franklin St., Fifth Floor, Boston, MA 02110, USA
*************************************************************************************/
#ifndef _ma_parse_h_
#define _ma_parse_h_
#include <sqlext.h>
enum enum_madb_query_type { MADB_QUERY_NO_RESULT= 0, /* Default type for the query types we are not interested in */
MADB_QUERY_INSERT,
MADB_QUERY_UPDATE= SQL_UPDATE,
MADB_QUERY_DELETE= SQL_DELETE,
MADB_QUERY_CREATE_PROC,
MADB_QUERY_CREATE_FUNC,
MADB_QUERY_CREATE_DEFINER,
MADB_QUERY_SET,
MADB_QUERY_SET_NAMES,
MADB_QUERY_PREPARE,
MADB_QUERY_EXECUTE,
MADB_QUERY_ANALYZE,
MADB_QUERY_SELECT,
MADB_QUERY_SHOW,
MADB_QUERY_CALL,
MADB_QUERY_EXPLAIN,
MADB_QUERY_CHECK,
MADB_QUERY_DESCRIBE,
MADB_NOT_ATOMIC_BLOCK
};
typedef struct {
char *QueryText;
enum enum_madb_query_type QueryType;
MADB_DynArray ParamPos;
} SINGLE_QUERY;
typedef struct {
char * Original;
char * allocated; /* Pointer to the allocated area. The refined query may go to the right */
char * RefinedText;
size_t RefinedLength;
MADB_DynArray Tokens;
MADB_DynArray SubQuery; /* List of queries or batches of queries, that can be executed together at once */
/* So far only falg whether we have any parameters */
my_bool HasParameters;
/* This is more for multistatements for optimization - if none of queries returns result,
we can send them via text protocol */
my_bool ReturnsResult;
enum enum_madb_query_type QueryType;
my_bool PoorManParsing;
my_bool BatchAllowed;
my_bool AnsiQuotes;
my_bool NoBackslashEscape;
} MADB_QUERY;
#define PQUERY_UPDATE_LEN(PARSED_QUERY_PTR) (PARSED_QUERY_PTR)->RefinedLength= strlen((PARSED_QUERY_PTR)->RefinedLength)
#define STMT_COUNT(PARSED_QUERY) ((PARSED_QUERY).SubQuery.elements/* + 1*/)
#define QUERY_IS_MULTISTMT(PARSED_QUERY) (STMT_COUNT(PARSED_QUERY) > 1)
int MADB_ResetParser(MADB_Stmt *Stmt, char *OriginalQuery, SQLINTEGER OriginalLength);
void MADB_DeleteSubqueries(MADB_QUERY *Query);
void MADB_AddSubQuery(MADB_QUERY *Query, char *SubQueryText, enum enum_madb_query_type QueryType);
void MADB_DeleteQuery(MADB_QUERY *Query);
int MADB_ParseQuery(MADB_QUERY *Query);
#define QUERY_DOESNT_RETURN_RESULT(query_type) ((query_type) < MADB_QUERY_SELECT)
char * MADB_ParseCursorName(MADB_QUERY *Query, unsigned int *Offset);
unsigned int MADB_FindToken(MADB_QUERY *Query, char *Compare);
enum enum_madb_query_type MADB_GetQueryType(const char *Token1, const char *Token2);
const char * MADB_FindParamPlaceholder(MADB_Stmt *Stmt);
char * FixIsoFormat(char * StmtString, size_t *Length);
int ParseQuery(MADB_QUERY *Query);
char * StripLeadingComments(char *s, size_t *Length, BOOL OverWrite);
#endif /* _ma_parse_h_ */

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