printtab.c

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/*!
 * \file db/dbmi_client/printtab.c
 *
 * \brief DBMI Library (client) - print table description info
 *
 * (C) 1999-2008 by the GRASS Development Team
 *
 * This program is free software under the GNU General Public
 * License (>=v2). Read the file COPYING that comes with GRASS
 * for details.
 *
 * \author Joel Jones (CERL/UIUC), Radim Blazek
 */
 
#include <string.h>
#include <grass/dbmi.h>
 
static void print_priv(FILE *fd, char *label, int priv);
 
/*!
   \brief Print table definition info
 
   \param fd file descriptor
   \param table table info
 */
void db_print_table_definition(FILE *fd, dbTable *table)
{
    int ncols, col;
    dbColumn *column;
 
    fprintf(fd, "table:%s\n", db_get_table_name(table));
    fprintf(fd, "description:%s\n", db_get_table_description(table));
    print_priv(fd, "insert", db_get_table_insert_priv(table));
    print_priv(fd, "delete", db_get_table_delete_priv(table));
 
    ncols = db_get_table_number_of_columns(table);
    fprintf(fd, "ncols:%d\n", ncols);
    for (col = 0; col < ncols; col++) {
        column = db_get_table_column(table, col);
        fprintf(fd, "\n");
        db_print_column_definition(fd, column);
    }
}
 
/*!
   \brief Print column definition info
 
   \param fd file descriptor
   \param column column info
 */
void db_print_column_definition(FILE *fd, dbColumn *column)
{
    dbString value_string;
 
    fprintf(fd, "column:%s\n", db_get_column_name(column));
    fprintf(fd, "description:%s\n", db_get_column_description(column));
    fprintf(fd, "type:%s\n", db_sqltype_name(db_get_column_sqltype(column)));
    fprintf(fd, "len:%d\n", db_get_column_length(column));
    fprintf(fd, "scale:%d\n", db_get_column_scale(column));
    fprintf(fd, "precision:%d\n", db_get_column_precision(column));
    fprintf(fd, "default:");
    if (db_test_column_has_default_value(column)) {
        db_init_string(&value_string);
        db_convert_column_default_value_to_string(column, &value_string);
        fprintf(fd, "%s", db_get_string(&value_string));
    }
    fprintf(fd, "\n");
    fprintf(fd, "nullok:%s\n",
            db_test_column_null_allowed(column) ? "yes" : "no");
    print_priv(fd, "select", db_get_column_select_priv(column));
    print_priv(fd, "update", db_get_column_update_priv(column));
}
 
static void print_priv(FILE *fd, char *label, int priv)
{
    fprintf(fd, "%s:", label);
    switch (priv) {
    case DB_GRANTED:
        fprintf(fd, "yes");
        break;
    case DB_NOT_GRANTED:
        fprintf(fd, "no");
        break;
    default:
        fprintf(fd, "?");
        break;
    }
    fprintf(fd, "\n");
}