| # 2009 December 8 |
| # |
| # The author disclaims copyright to this source code. In place of |
| # a legal notice, here is a blessing: |
| # |
| # May you do good and not evil. |
| # May you find forgiveness for yourself and forgive others. |
| # May you share freely, never taking more than you give. |
| # |
| #*********************************************************************** |
| # This file implements regression tests for SQLite library. |
| # |
| # Verify that we can create zero-length tables. |
| # |
| |
| set testdir [file dirname $argv0] |
| source $testdir/tester.tcl |
| |
| do_test tkt-78e04-1.0 { |
| execsql { |
| CREATE TABLE ""("" UNIQUE); |
| CREATE TABLE t2(x); |
| INSERT INTO "" VALUES(1); |
| INSERT INTO t2 VALUES(2); |
| SELECT * FROM "", t2; |
| } |
| } {1 2} |
| do_test tkt-78e04-1.1 { |
| catchsql { |
| INSERT INTO "" VALUES(1); |
| } |
| } {1 {column is not unique}} |
| do_test tkt-78e04-1.2 { |
| execsql { |
| PRAGMA table_info(""); |
| } |
| } {0 {} {} 0 {} 0} |
| do_test tkt-78e04-1.3 { |
| execsql { |
| CREATE INDEX i1 ON ""("" COLLATE nocase); |
| } |
| } {} |
| do_test tkt-78e04-1.4 { |
| execsql { |
| EXPLAIN QUERY PLAN SELECT * FROM "" WHERE "" LIKE 'abc%'; |
| } |
| } {0 0 0 {SCAN TABLE (~500000 rows)}} |
| do_test tkt-78e04-1.5 { |
| execsql { |
| DROP TABLE ""; |
| SELECT name FROM sqlite_master; |
| } |
| } {t2} |
| |
| do_test tkt-78e04-2.1 { |
| execsql { |
| CREATE INDEX "" ON t2(x); |
| EXPLAIN QUERY PLAN SELECT * FROM t2 WHERE x=5; |
| } |
| } {0 0 0 {SEARCH TABLE t2 USING COVERING INDEX (x=?) (~10 rows)}} |
| do_test tkt-78e04-2.2 { |
| execsql { |
| DROP INDEX ""; |
| EXPLAIN QUERY PLAN SELECT * FROM t2 WHERE x=2; |
| } |
| } {0 0 0 {SCAN TABLE t2 (~100000 rows)}} |
| |
| finish_test |