t-layer" table */     char *sql;     int ret;     sqlite0_stmt *stmt;     char *xname;     *xstmt = NULL;      xname = gaiaDoubleQuotedSql (name);     sql = sqlite0_mprintf ("CREATE TABLE \"%s\" ("       "    feature_id INTEGER PRIMARY KEY AUTOINCREMENT,\n"       "    filename TEXT NOTT NULL,\n"       "    layer TEXT NOT NULL,\n"       "    