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/**
* \file listtab.c
*
* \brief Low level SQLite table functions.
*
* This program is free software under the GNU General Public License
* (>=v2). Read the file COPYING that comes with GRASS for details.
*
* \author Radim Blazek
* \author Support for multiple connections by Markus Metz
*
* \date 2005-2011
*/
#include <stdlib.h>
#include <string.h>
#include <grass/dbmi.h>
#include <grass/glocale.h>
#include "globals.h"
#include "proto.h"
/**
* \fn int db__driver_list_tables (dbString **tlist, int *tcount, int system)
*
* \brief List SQLite database tables.
*
* \param[in] tlist list of tables
* \param[in] tcount number of tables
* \param[in] system
* \return int DB_FAILED on error; DB_OK on success
*/
int db__driver_list_tables(dbString **tlist, int *tcount, int system)
{
int i, nrows;
dbString *list;
sqlite3_stmt *statement;
const char *rest;
int ret;
G_debug(3, "db__driver_list_tables(): system = %d", system);
ret = sqlite3_prepare(
sqlite,
"select name from sqlite_master where type = 'table' or type = 'view'",
-1, &statement, &rest);
if (ret != SQLITE_OK) {
db_d_append_error("%s\n%s", _("Unable to list tables:"),
(char *)sqlite3_errmsg(sqlite));
db_d_report_error();
sqlite3_finalize(statement);
return DB_FAILED;
}
nrows = 0;
while (sqlite3_step(statement) == SQLITE_ROW) {
nrows++;
}
/* get real result code */
ret = sqlite3_reset(statement);
if (ret != SQLITE_OK) {
db_d_append_error("%s\n%s", _("Unable to list tables:"),
(char *)sqlite3_errmsg(sqlite));
db_d_report_error();
sqlite3_finalize(statement);
return DB_FAILED;
}
G_debug(3, "nrows = %d", nrows);
list = db_alloc_string_array(nrows);
if (list == NULL) {
db_d_append_error(_("Unable to db_alloc_string_array()"));
db_d_report_error();
sqlite3_finalize(statement);
return DB_FAILED;
}
i = 0;
while (sqlite3_step(statement) == SQLITE_ROW) {
G_debug(3, "table: %s", sqlite3_column_text(statement, 0));
db_set_string(&list[i], (char *)sqlite3_column_text(statement, 0));
i++;
}
sqlite3_finalize(statement);
*tlist = list;
*tcount = nrows;
return DB_OK;
}
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