database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-06-26 12:21:12 +03:00
Code Activity

1) Internal improvements to handle updatable cursors(1st cut).

Browse Source 
2) Fix a bug in SQLColAttribute().
This commit is contained in:
Hiroshi Inoue
2002-03-14 05:42:04 +00:00
parent f362dcec61
commit 01e322652b
20 changed files with 414 additions and 372 deletions
Download Patch File Download Diff File Expand all files Collapse all files

85
src/interfaces/odbc/options.c
View File

@ -39,6 +39,7 @@ set_statement_option(ConnectionClass *conn,
static char *func = "set_statement_option";
char changed = FALSE;
ConnInfo *ci = NULL;
UDWORD setval;
if (conn)
ci = &(conn->connInfo);
@ -63,22 +64,21 @@ set_statement_option(ConnectionClass *conn,
* positioned update isn't supported so cursor concurrency is
* read-only
*/
mylog("SetStmtOption(): SQL_CONCURRENCY = %d\n", vParam);
if (ci->drivers.lie || vParam == SQL_CONCUR_READ_ONLY || vParam == SQL_CONCUR_ROWVER)
{
if (conn)
conn->stmtOptions.scroll_concurrency = vParam;
if (stmt)
stmt->options.scroll_concurrency = vParam;
}
else
{
if (conn)
conn->stmtOptions.scroll_concurrency = SQL_CONCUR_ROWVER;
if (stmt)
stmt->options.scroll_concurrency = SQL_CONCUR_ROWVER;
mylog("SetStmtOption(): SQL_CONCURRENCY = %d ", vParam);
setval = SQL_CONCUR_READ_ONLY;
if (SQL_CONCUR_READ_ONLY == vParam)
;
if (ci->drivers.lie)
setval = vParam;
else if (ci->updatable_cursors)
setval = SQL_CONCUR_ROWVER;
if (conn)
conn->stmtOptions.scroll_concurrency = setval;
else if (stmt)
stmt->options.scroll_concurrency = setval;
if (setval != vParam)
changed = TRUE;
}
mylog("-> %d\n", setval);
break;
case SQL_CURSOR_TYPE:
@ -87,47 +87,24 @@ set_statement_option(ConnectionClass *conn,
* if declare/fetch, then type can only be forward. otherwise,
* it can only be forward or static.
*/
mylog("SetStmtOption(): SQL_CURSOR_TYPE = %d\n", vParam);
mylog("SetStmtOption(): SQL_CURSOR_TYPE = %d ", vParam);
setval = SQL_CURSOR_FORWARD_ONLY;
if (ci->drivers.lie)
{
if (conn)
conn->stmtOptions.cursor_type = vParam;
if (stmt)
stmt->options.cursor_type = vParam;
}
else
{
if (ci->drivers.use_declarefetch)
{
if (conn)
conn->stmtOptions.cursor_type = SQL_CURSOR_FORWARD_ONLY;
if (stmt)
stmt->options.cursor_type = SQL_CURSOR_FORWARD_ONLY;
setval = vParam;
else if (ci->drivers.use_declarefetch)
;
else if (SQL_CURSOR_STATIC == vParam)
setval = vParam;
/** else if (SQL_CURSOR_KEYSET_DRIVEN == vParam && ci->updatable)
setval = vParam; **/
if (vParam != SQL_CURSOR_FORWARD_ONLY)
changed = TRUE;
}
else
{
if (vParam == SQL_CURSOR_FORWARD_ONLY || vParam == SQL_CURSOR_STATIC)
{
if (conn)
conn->stmtOptions.cursor_type = vParam; /* valid type */
if (stmt)
stmt->options.cursor_type = vParam; /* valid type */
}
else
{
if (conn)
conn->stmtOptions.cursor_type = SQL_CURSOR_STATIC;
if (stmt)
stmt->options.cursor_type = SQL_CURSOR_STATIC;
changed = TRUE;
}
}
}
if (conn)
conn->stmtOptions.cursor_type = setval;
else if (stmt)
stmt->options.cursor_type = setval;
if (setval != vParam)
changed = TRUE;
mylog("-> %d\n", setval);
break;
case SQL_KEYSET_SIZE: /* ignored, but saved and returned */