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+# 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, x CHAR(100));
+ 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 {UNIQUE constraint failed: .}}
+do_test tkt-78e04-1.2 {
+ execsql {
+ PRAGMA table_info("");
+ }
+} {0 {} {} 0 {} 0 1 x CHAR(100) 0 {} 0}
+do_test tkt-78e04-1.3 {
+ execsql {
+ CREATE INDEX i1 ON ""("" COLLATE nocase);
+ }
+} {}
+do_test tkt-78e04-1.4 {
+ db eval {EXPLAIN QUERY PLAN SELECT "" FROM "" WHERE "" LIKE '1e5%';}
+} {/*SCAN USING COVERING INDEX i1*/}
+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;
+ }
+} {/*SEARCH t2 USING COVERING INDEX (x=?)*/}
+do_test tkt-78e04-2.2 {
+ execsql {
+ DROP INDEX "";
+ EXPLAIN QUERY PLAN SELECT * FROM t2 WHERE x=2;
+ }
+} {/*SCAN t2*/}
+
+finish_test