[Python-checkins] CVS: python/nondist/peps pep-0249.txt,1.2,1.3

2001年4月27日 04:20:16 -0700

Update of /cvsroot/python/python/nondist/peps
In directory usw-pr-cvs1:/tmp/cvs-serv22478
Modified Files:
	pep-0249.txt 
Log Message:
Addded clarifications proposed by Federico Di Gregorio.
Index: pep-0249.txt
===================================================================
RCS file: /cvsroot/python/python/nondist/peps/pep-0249.txt,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -r1.2 -r1.3
*** pep-0249.txt	2001年03月30日 16:56:15	1.2
--- pep-0249.txt	2001年04月27日 11:20:14	1.3
***************
*** 199,203 ****
 if any operation is attempted with the connection. The
 same applies to all cursor objects trying to use the
! connection.

 commit()
--- 199,206 ----
 if any operation is attempted with the connection. The
 same applies to all cursor objects trying to use the
! connection. Note that closing a connection without
! committing the changes first will cause an implicit
! rollback to be performed.
! 

 commit()
***************
*** 233,237 ****

 These objects represent a database cursor, which is used to
! manage the context of a fetch operation.

 Cursor Objects should respond to the following methods and
--- 236,246 ----

 These objects represent a database cursor, which is used to
! manage the context of a fetch operation. Cursors created from 
! the same connection are not isolated, i.e., any changes
! done to the database by a cursor are immediately visible by the
! other cursors. Cursors created from different connections can
! or can not be isolated, depending on how the transaction support
! is implemented (see also the connection's rollback() and commit() 
! methods.)

 Cursor Objects should respond to the following methods and
***************
*** 244,248 ****
 describing one result column: (name, type_code,
 display_size, internal_size, precision, scale,
! null_ok). This attribute will be None for operations that
 do not return rows or if the cursor has not had an
 operation invoked via the executeXXX() method yet.
--- 253,261 ----
 describing one result column: (name, type_code,
 display_size, internal_size, precision, scale,
! null_ok). The first two items (name and type_code) are
! mandatory, the other five are optional and must be set to
! None if meaningfull values are not provided.
! 
! This attribute will be None for operations that
 do not return rows or if the cursor has not had an
 operation invoked via the executeXXX() method yet.