AryaWu/sqlite

1# 2009 December 82#3# The author disclaims copyright to this source code.  In place of4# 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 16set testdir [file dirname $argv0]17source $testdir/tester.tcl18 19do_test tkt-78e04-1.0 {20  execsql {21    CREATE TABLE ""("" UNIQUE, x CHAR(100));22    CREATE TABLE t2(x);23    INSERT INTO ""("") VALUES(1);24    INSERT INTO t2 VALUES(2);25    SELECT * FROM "", t2;26  }27} {1 {} 2}28do_test tkt-78e04-1.1 {29  catchsql {30    INSERT INTO ""("") VALUES(1);31  }32} {1 {UNIQUE constraint failed: .}}33do_test tkt-78e04-1.2 {34  execsql {35    PRAGMA table_info("");36  }37} {0 {} {} 0 {} 0 1 x CHAR(100) 0 {} 0}38do_test tkt-78e04-1.3 {39  execsql {40    CREATE INDEX i1 ON ""("" COLLATE nocase);41  }42} {}43do_test tkt-78e04-1.4 {44 db eval {EXPLAIN QUERY PLAN SELECT "" FROM "" WHERE "" LIKE '1e5%';}45} {/*SCAN  USING COVERING INDEX i1*/}46do_test tkt-78e04-1.5 {47  execsql {48    DROP TABLE "";49    SELECT name FROM sqlite_master;50  }51} {t2}52 53do_test tkt-78e04-2.1 {54  execsql {55    CREATE INDEX "" ON t2(x);56    EXPLAIN QUERY PLAN SELECT * FROM t2 WHERE x=5;57  }58} {/*SEARCH t2 USING COVERING INDEX  (x=?)*/}59do_test tkt-78e04-2.2 {60  execsql {61    DROP INDEX "";62    EXPLAIN QUERY PLAN SELECT * FROM t2 WHERE x=2;63  }64} {/*SCAN t2*/}65 66finish_test67