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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
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