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- Fixed bug #44861 (scrollable cursor don't work with pgsql)
This commit is contained in:
Matteo Beccati 2009-03-28 03:01:38 +00:00
parent dd6b8d4ceb
commit 61476ca182
3 changed files with 114 additions and 16 deletions
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48
ext/pdo_pgsql/pgsql_statement.c
View file

@ -129,6 +129,24 @@ static int pgsql_stmt_execute(pdo_stmt_t *stmt TSRMLS_DC)
S->current_row = 0;
if (S->cursor_name) {
char *q = NULL;
spprintf(&q, 0, "DECLARE %s SCROLL CURSOR WITH HOLD FOR %s", S->cursor_name, stmt->active_query_string);
S->result = PQexec(H->server, q);
efree(q);
/* check if declare failed */
status = PQresultStatus(S->result);
if (status != PGRES_COMMAND_OK && status != PGRES_TUPLES_OK) {
pdo_pgsql_error_stmt(stmt, status, pdo_pgsql_sqlstate(S->result));
return 0;
}
/* fetch to be able to get the number of tuples later, but don't advance the cursor pointer */
spprintf(&q, 0, "FETCH FORWARD 0 FROM %s", S->cursor_name);
S->result = PQexec(H->server, q);
efree(q);
} else
#if HAVE_PQPREPARE
if (S->stmt_name) {
/* using a prepared statement */
@ -182,12 +200,7 @@ stmt_retry:
0);
} else
#endif
if (S->cursor_name) {
char *q = NULL;
spprintf(&q, 0, "DECLARE %s CURSOR FOR %s", S->cursor_name, stmt->active_query_string);
S->result = PQexec(H->server, q);
efree(q);
} else {
{
S->result = PQexec(H->server, stmt->active_query_string);
}
status = PQresultStatus(S->result);
@ -350,19 +363,23 @@ static int pgsql_stmt_fetch(pdo_stmt_t *stmt,
pdo_pgsql_stmt *S = (pdo_pgsql_stmt*)stmt->driver_data;
if (S->cursor_name) {
char *ori_str;
char *ori_str = NULL;
char *q = NULL;
ExecStatusType status;
switch (ori) {
case PDO_FETCH_ORI_NEXT: ori_str = "FORWARD"; break;
case PDO_FETCH_ORI_PRIOR: ori_str = "BACKWARD"; break;
case PDO_FETCH_ORI_REL: ori_str = "RELATIVE"; break;
case PDO_FETCH_ORI_NEXT: spprintf(&ori_str, 0, "NEXT"); break;
case PDO_FETCH_ORI_PRIOR: spprintf(&ori_str, 0, "BACKWARD"); break;
case PDO_FETCH_ORI_FIRST: spprintf(&ori_str, 0, "FIRST"); break;
case PDO_FETCH_ORI_LAST: spprintf(&ori_str, 0, "LAST"); break;
case PDO_FETCH_ORI_ABS: spprintf(&ori_str, 0, "ABSOLUTE %ld", offset); break;
case PDO_FETCH_ORI_REL: spprintf(&ori_str, 0, "RELATIVE %ld", offset); break;
default:
return 0;
}
spprintf(&q, 0, "FETCH %s %ld FROM %s", ori_str, offset, S->cursor_name);
spprintf(&q, 0, "FETCH %s FROM %s", ori_str, S->cursor_name);
efree(ori_str);
S->result = PQexec(S->H->server, q);
efree(q);
status = PQresultStatus(S->result);
@ -372,9 +389,12 @@ static int pgsql_stmt_fetch(pdo_stmt_t *stmt,
return 0;
}
S->current_row = 1;
return 1;
if (PQntuples(S->result)) {
S->current_row = 1;
return 1;
} else {
return 0;
}
} else {
if (S->current_row < stmt->row_count) {
S->current_row++;