1 # 2009 December 8 2 # 3 # The author disclaims copyright to this source code. In place of 4 # a legal notice, here is a blessing: 5 # 6 # May you do good and not evil. 7 # May you find forgiveness for yourself and forgive others. 8 # May you share freely, never taking more than you give. 9 # 10 #*********************************************************************** 11 # This file implements regression tests for SQLite library. 12 # 13 # Verify that we can create zero-length tables. 14 # 15 16 set testdir [file dirname $argv0] 17 source $testdir/tester.tcl 18 19 do_test tkt-78e04-1.0 { 20 execsql { 21 CREATE TABLE ""("" UNIQUE); 22 CREATE TABLE t2(x); 23 INSERT INTO "" VALUES(1); 24 INSERT INTO t2 VALUES(2); 25 SELECT * FROM "", t2; 26 } 27 } {1 2} 28 do_test tkt-78e04-1.1 { 29 catchsql { 30 INSERT INTO "" VALUES(1); 31 } 32 } {1 {column is not unique}} 33 do_test tkt-78e04-1.2 { 34 execsql { 35 PRAGMA table_info(""); 36 } 37 } {0 {} {} 0 {} 0} 38 do_test tkt-78e04-1.3 { 39 execsql { 40 CREATE INDEX i1 ON ""("" COLLATE nocase); 41 } 42 } {} 43 do_test tkt-78e04-1.4 { 44 execsql { 45 EXPLAIN QUERY PLAN SELECT * FROM "" WHERE "" LIKE 'abc%'; 46 } 47 } {0 0 0 {SCAN TABLE (~500000 rows)}} 48 do_test tkt-78e04-1.5 { 49 execsql { 50 DROP TABLE ""; 51 SELECT name FROM sqlite_master; 52 } 53 } {t2} 54 55 do_test tkt-78e04-2.1 { 56 execsql { 57 CREATE INDEX "" ON t2(x); 58 EXPLAIN QUERY PLAN SELECT * FROM t2 WHERE x=5; 59 } 60 } {0 0 0 {SEARCH TABLE t2 USING COVERING INDEX (x=?) (~10 rows)}} 61 do_test tkt-78e04-2.2 { 62 execsql { 63 DROP INDEX ""; 64 EXPLAIN QUERY PLAN SELECT * FROM t2 WHERE x=2; 65 } 66 } {0 0 0 {SCAN TABLE t2 (~100000 rows)}} 67 68 finish_test 69
