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Back out all ODBC formatting changes, and back out removal of <6.4

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protocol. I have left in Tom's SOCK_get_next_byte() fix, and the new
win32.mak file addition.  I have also left in the 'X' connection close
fix.
This commit is contained in:
Bruce Momjian
2001-02-14 05:45:46 +00:00
parent 18b04ae131
commit 594e97b72f
45 changed files with 9580 additions and 11060 deletions
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86
src/interfaces/odbc/columninfo.c
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@@ -1,13 +1,14 @@
/* Module: columninfo.c
/* Module: columninfo.c
*
* Description: This module contains routines related to
* reading and storing the field information from a query.
* Description: This module contains routines related to
* reading and storing the field information from a query.
*
* Classes: ColumnInfoClass (Functions prefix: "CI_")
* Classes: ColumnInfoClass (Functions prefix: "CI_")
*
* API functions: none
* API functions: none
*
* Comments: See "notice.txt" for copyright and license information.
* Comments: See "notice.txt" for copyright and license information.
*
*/
@@ -20,12 +21,11 @@
ColumnInfoClass *
CI_Constructor()
{
ColumnInfoClass *rv;
ColumnInfoClass *rv;
rv = (ColumnInfoClass *) malloc(sizeof(ColumnInfoClass));
if (rv)
{
if (rv) {
rv->num_fields = 0;
rv->name = NULL;
rv->adtid = NULL;
@@ -45,21 +45,21 @@ CI_Destructor(ColumnInfoClass *self)
free(self);
}
/* Read in field descriptions.
If self is not null, then also store the information.
/* Read in field descriptions.
If self is not null, then also store the information.
If self is null, then just read, don't store.
*/
char
CI_read_fields(ColumnInfoClass *self, ConnectionClass *conn)
{
Int2 lf;
int new_num_fields;
Oid new_adtid;
Int2 new_adtsize;
Int4 new_atttypmod = -1;
char new_field_name[MAX_MESSAGE_LEN + 1];
SocketClass *sock;
ConnInfo *ci;
Int2 lf;
int new_num_fields;
Oid new_adtid;
Int2 new_adtsize;
Int4 new_atttypmod = -1;
char new_field_name[MAX_MESSAGE_LEN+1];
SocketClass *sock;
ConnInfo *ci;
sock = CC_get_socket(conn);
ci = &conn->connInfo;
@@ -69,28 +69,28 @@ CI_read_fields(ColumnInfoClass *self, ConnectionClass *conn)
mylog("num_fields = %d\n", new_num_fields);
if (self)
{ /* according to that allocate memory */
if (self) { /* according to that allocate memory */
CI_set_num_fields(self, new_num_fields);
}
/* now read in the descriptions */
for (lf = 0; lf < new_num_fields; lf++)
{
for(lf = 0; lf < new_num_fields; lf++) {
SOCK_get_string(sock, new_field_name, MAX_MESSAGE_LEN);
new_adtid = (Oid) SOCK_get_int(sock, 4);
new_adtsize = (Int2) SOCK_get_int(sock, 2);
/* If 6.4 protocol, then read the atttypmod field */
if (PG_VERSION_GE(conn, 6.4))
{
/* If 6.4 protocol, then read the atttypmod field */
if (PG_VERSION_GE(conn, 6.4)) {
mylog("READING ATTTYPMOD\n");
new_atttypmod = (Int4) SOCK_get_int(sock, 4);
/* Subtract the header length */
/* Subtract the header length */
new_atttypmod -= 4;
if (new_atttypmod < 0)
new_atttypmod = -1;
}
mylog("CI_read_fields: fieldname='%s', adtid=%d, adtsize=%d, atttypmod=%d\n", new_field_name, new_adtid, new_adtsize, new_atttypmod);
@@ -107,16 +107,15 @@ CI_read_fields(ColumnInfoClass *self, ConnectionClass *conn)
void
CI_free_memory(ColumnInfoClass *self)
{
register Int2 lf;
int num_fields = self->num_fields;
register Int2 lf;
int num_fields = self->num_fields;
for (lf = 0; lf < num_fields; lf++)
{
if (self->name[lf])
free(self->name[lf]);
for (lf = 0; lf < num_fields; lf++) {
if( self->name[lf])
free (self->name[lf]);
}
/* Safe to call even if null */
/* Safe to call even if null */
free(self->name);
free(self->adtid);
free(self->adtsize);
@@ -128,30 +127,33 @@ CI_free_memory(ColumnInfoClass *self)
void
CI_set_num_fields(ColumnInfoClass *self, int new_num_fields)
{
CI_free_memory(self); /* always safe to call */
CI_free_memory(self); /* always safe to call */
self->num_fields = new_num_fields;
self->name = (char **) malloc(sizeof(char *) * self->num_fields);
self->adtid = (Oid *) malloc(sizeof(Oid) * self->num_fields);
self->adtsize = (Int2 *) malloc(sizeof(Int2) * self->num_fields);
self->name = (char **) malloc (sizeof(char *) * self->num_fields);
self->adtid = (Oid *) malloc (sizeof(Oid) * self->num_fields);
self->adtsize = (Int2 *) malloc (sizeof(Int2) * self->num_fields);
self->display_size = (Int2 *) malloc(sizeof(Int2) * self->num_fields);
self->atttypmod = (Int4 *) malloc(sizeof(Int4) * self->num_fields);
}
void
CI_set_field_info(ColumnInfoClass *self, int field_num, char *new_name,
Oid new_adtid, Int2 new_adtsize, Int4 new_atttypmod)
CI_set_field_info(ColumnInfoClass *self, int field_num, char *new_name,
Oid new_adtid, Int2 new_adtsize, Int4 new_atttypmod)
{
/* check bounds */
if ((field_num < 0) || (field_num >= self->num_fields))
if((field_num < 0) || (field_num >= self->num_fields)) {
return;
}
/* store the info */
self->name[field_num] = strdup(new_name);
self->name[field_num] = strdup(new_name);
self->adtid[field_num] = new_adtid;
self->adtsize[field_num] = new_adtsize;
self->atttypmod[field_num] = new_atttypmod;
self->display_size[field_num] = 0;
}