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Add a test case for ORDER BY using the echo module. (CVS 3237)

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FossilOrigin-Name: f459f034f659a4c418aa1bc72135cc93d04565df
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danielk1977
2006-06-14 07:41:31 +00:00
parent 9da9d471f5
commit 47d0809401
4 changed files with 80 additions and 10 deletions
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52
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 1.12 2006/06/14 06:31:28 danielk1977 Exp $
# $Id: vtab1.test,v 1.13 2006/06/14 07:41:32 danielk1977 Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -321,5 +321,55 @@ do_test vtab1-3.13 {
} [list xBestIndex {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} \
xFilter {SELECT rowid, * FROM 'treal' WHERE b >= ? AND b <= ?} 2 10 ]
#----------------------------------------------------------------------
# Test case vtab1-3 test table scans and the echo module's
# xBestIndex/xFilter handling of ORDER BY clauses.
# This procedure executes the SQL. Then it checks to see if the OP_Sort
# opcode was executed. If an OP_Sort did occur, then "sort" is appended
# to the result. If no OP_Sort happened, then "nosort" is appended.
#
# This procedure is used to check to make sure sorting is or is not
# occurring as expected.
#
proc cksort {sql} {
set ::sqlite_sort_count 0
set data [execsql $sql]
if {$::sqlite_sort_count} {set x sort} {set x nosort}
lappend data $x
return $data
}
do_test vtab1-4.1 {
set echo_module ""
cksort {
SELECT b FROM t1 ORDER BY b;
}
} {2 5 nosort}
do_test vtab1-4.2 {
set echo_module
} [list xBestIndex {SELECT rowid, * FROM 'treal' ORDER BY b ASC} \
xFilter {SELECT rowid, * FROM 'treal' ORDER BY b ASC} ]
do_test vtab1-4.3 {
set echo_module ""
cksort {
SELECT b FROM t1 ORDER BY b DESC;
}
} {5 2 nosort}
do_test vtab1-4.4 {
set echo_module
} [list xBestIndex {SELECT rowid, * FROM 'treal' ORDER BY b DESC} \
xFilter {SELECT rowid, * FROM 'treal' ORDER BY b DESC} ]
do_test vtab1-4.3 {
set echo_module ""
cksort {
SELECT b FROM t1 ORDER BY b||'';
}
} {2 5 sort}
do_test vtab1-4.4 {
set echo_module
} [list xBestIndex {SELECT rowid, * FROM 'treal'} \
xFilter {SELECT rowid, * FROM 'treal'} ]
finish_test