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Add implementations for opcodes required for linear scans of virtual tables. (CVS 3223)

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FossilOrigin-Name: 1f20e1832b38c76d2b0dde5fd720670c2ad0438b
This commit is contained in:
danielk1977
2006-06-13 10:24:42 +00:00
parent 48d4580650
commit b7a7b9a3b9
8 changed files with 343 additions and 64 deletions
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42
test/vtab1.test
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@@ -11,7 +11,7 @@
# This file implements regression tests for SQLite library. The
# focus of this file is creating and dropping virtual tables.
#
# $Id: vtab1.test,v 1.7 2006/06/13 04:11:44 danielk1977 Exp $
# $Id: vtab1.test,v 1.8 2006/06/13 10:24:44 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@@ -110,8 +110,6 @@ do_test vtab1-2.5 {
set echo_module
} [list xDestroy]
finish_test
do_test vtab1-2.6 {
execsql {
PRAGMA table_info(t2);
@@ -138,4 +136,42 @@ do_test vtab1-2.9 {
}
} [list]
#----------------------------------------------------------------------
# Test case vtab1-3 tests simple linear scans (no filter conditions) of
# virtual table modules.
do_test vtab1-3.1 {
set echo_module ""
execsql {
CREATE TABLE treal(a INTEGER, b VARCHAR(32), c);
CREATE VIRTUAL TABLE t1 USING echo(treal);
}
set echo_module
} [list xCreate echo treal]
do_test vtab1-3.2 {
# Test that a SELECT on t2 doesn't crash. No rows are returned
# because the underlying real table, is currently empty.
execsql {
SELECT a, b, c FROM t1;
}
} {}
do_test vtab1-3.3 {
# Put some data into the table treal. Then try a select on t1.
execsql {
INSERT INTO treal VALUES(1, 2, 3);
INSERT INTO treal VALUES(4, 5, 6);
SELECT * FROM t1;
}
} {1 2 3 4 5 6}
do_test vtab1-3.4 {
execsql {
SELECT a FROM t1;
}
} {1 4}
do_test vtab1-3.5 {
execsql {
SELECT rowid FROM t1;
}
} {1 2}
finish_test