parser3/src/sql/pa_sql_driver.h - diff

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Diff for /parser3/src/sql/pa_sql_driver.h between versions 1.10 and 1.22

version 1.10, 2001/05/17 13:23:28	version 1.22, 2001/11/11 10:54:49
Line 2	Line 2
Parser: sql driver interface.	Parser: sql driver interface.

Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)	Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
	Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)
Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)

$Id$	$Id$

Line 38 public:	Line 37 public:
virtual void *malloc(size_t size) =0;	virtual void *malloc(size_t size) =0;
/// allocates some bytes clearing them with zeros	/// allocates some bytes clearing them with zeros
virtual void *calloc(size_t size) =0;	virtual void *calloc(size_t size) =0;
/// throw exception	/// prepare throw exception
virtual void _throw(const char *comment) =0;	virtual void _throw(const char *comment) =0;
	/// throw C++ exception from prepared
	virtual void propagate_exception() =0;
	public:
	/// regretrully public, because can't make stack frames: "nowhere to return to"
	jmp_buf mark;
};	};

#define SQL_DRIVER_API_VERSION 0x0301	#define SQL_DRIVER_API_VERSION 0x0002
	#define SQL_DRIVER_CREATE create
	#define SQL_DRIVER_CREATE_NAME "create" /* could not figure out how to # it :( */

/// SQL driver API	/// events, occuring when SQL_Driver::query()-ing
class SQL_Driver {	class SQL_Driver_query_event_handlers {
public:	public:
	virtual void add_column(void *ptr, size_t size) =0;
	virtual void before_rows() =0;
	virtual void add_row() =0;
	virtual void add_row_cell(void *ptr, size_t size) =0;
	};

/// row cell & column title storage	/// SQL driver API
struct Cell {	class SQL_Driver {
void *ptr;
size_t size;
};

public:	public:

SQL_Driver() {}	SQL_Driver() {}
/// get api version	/// get api version
virtual int api_version() =0;	virtual int api_version() =0;
/// initialize driver by loading sql dynamic link library	/// initialize driver by loading sql dynamic link library
virtual const char initialize(const char dlopen_file_spec) =0;	virtual const char initialize(char dlopen_file_spec) =0;
/** connect to sql database using	/** connect to sql database using
@param used_only_to_connect_url	@param used_only_to_connect_url
format is driver specific	format is driver specific
Line 70 public:	Line 77 public:
*/	*/
virtual void connect(char *used_only_in_connect_url_cstr,	virtual void connect(char *used_only_in_connect_url_cstr,
SQL_Driver_services& services, void **connection) =0;	SQL_Driver_services& services, void **connection) =0;
virtual void disconnect(	virtual void disconnect(void *connection) =0;
SQL_Driver_services& services, void *connection) =0;
virtual void commit(	virtual void commit(
SQL_Driver_services& services, void *connection) =0;	SQL_Driver_services& services, void *connection) =0;
virtual void rollback(	virtual void rollback(
Line 86 public:	Line 92 public:
virtual void query(	virtual void query(
SQL_Driver_services& services, void *connection,	SQL_Driver_services& services, void *connection,
const char *statement, unsigned long offset, unsigned long limit,	const char *statement, unsigned long offset, unsigned long limit,
unsigned int column_count, Cell *columns,	SQL_Driver_query_event_handlers& handlers) =0;
unsigned long row_count, Cell **rows) =0;
/// log error message
//static void log(Pool& pool, const char *fmt, ...);

};	};

typedef SQL_Driver (SQL_Driver_create_func)();	typedef SQL_Driver (SQL_Driver_create_func)();

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Removed from v.1.10
changed lines
	Added in v.1.22