Index: src/shell.c.in ================================================================== --- src/shell.c.in +++ src/shell.c.in @@ -4771,20 +4771,31 @@ { "number of views:", "SELECT count(*) FROM %s WHERE type='view'" }, { "schema size:", "SELECT total(length(sql)) FROM %s" }, }; - int i; + int i, rc; unsigned iDataVersion; char *zSchemaTab; char *zDb = nArg>=2 ? azArg[1] : "main"; sqlite3_stmt *pStmt = 0; unsigned char aHdr[100]; open_db(p, 0); if( p->db==0 ) return 1; - sqlite3_prepare_v2(p->db,"SELECT data FROM sqlite_dbpage(?1) WHERE pgno=1", - -1, &pStmt, 0); + rc = sqlite3_prepare_v2(p->db, + "SELECT data FROM sqlite_dbpage(?1) WHERE pgno=1", + -1, &pStmt, 0); + if( rc ){ + if( !sqlite3_compileoption_used("ENABLE_DBPAGE_VTAB") ){ + utf8_printf(stderr, "the \".dbinfo\" command requires the " + "-DSQLITE_ENABLE_DBPAGE_VTAB compile-time options\n"); + }else{ + utf8_printf(stderr, "error: %s\n", sqlite3_errmsg(p->db)); + } + sqlite3_finalize(pStmt); + return 1; + } sqlite3_bind_text(pStmt, 1, zDb, -1, SQLITE_STATIC); if( sqlite3_step(pStmt)==SQLITE_ROW && sqlite3_column_bytes(pStmt,0)>100 ){ memcpy(aHdr, sqlite3_column_blob(pStmt,0), 100);