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#include <stdlib.h>
#include <string.h>
#include <dbmi.h>
#include "globals.h"
#include "proto.h"
int db__driver_list_tables(tlist, tcount, system)
dbString **tlist;
int *tcount;
int system;
{
int i, nrows, ncols, tablecol, schemacol;
dbString *list;
PGresult *res;
char buf[1000];
init_error();
*tlist = NULL;
*tcount = 0;
res = PQexec(pg_conn, "select * from pg_tables where tablename !~ 'pg_*' order by tablename");
if (!res || PQresultStatus(res) != PGRES_TUPLES_OK) {
append_error ( "Cannot select table names\n" );
append_error ( PQerrorMessage(pg_conn) );
report_error();
PQclear(res);
return DB_FAILED;
}
/* Find table and schema col */
ncols = PQnfields(res);
schemacol = -1;
for (i = 0; i < ncols; i++) {
if ( strcmp(PQfname(res, i),"tablename") == 0 )
tablecol = i;
if ( strcmp(PQfname(res, i),"schemaname") == 0 )
schemacol = i;
}
nrows = PQntuples(res);
list = db_alloc_string_array(nrows);
if (list == NULL ) {
append_error ( "Cannot db_alloc_string_array()");
report_error();
return DB_FAILED;
}
for (i = 0; i < nrows; i++) {
if ( schemacol >= 0 ) {
sprintf ( buf, "%s.%s", (char *) PQgetvalue(res, i, schemacol),
(char *) PQgetvalue(res, i, tablecol) );
} else {
sprintf ( buf, "%s", (char *) PQgetvalue(res, i, tablecol) );
}
db_set_string(&list[i], buf );
}
PQclear(res);
*tlist = list;
*tcount = nrows;
return DB_OK;
}
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