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Diffstat (limited to 'test/delete3.test')
| -rw-r--r-- | test/delete3.test | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/test/delete3.test b/test/delete3.test new file mode 100644 index 0000000..a31f6ec --- /dev/null +++ b/test/delete3.test @@ -0,0 +1,57 @@ +# 2005 August 24 +# +# 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. The +# focus of this script is a test of the DELETE command where a +# large number of rows are deleted. +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +# Create a table that contains a large number of rows. +# +do_test delete3-1.1 { + execsql { + CREATE TABLE t1(x integer primary key); + BEGIN; + INSERT INTO t1 VALUES(1); + INSERT INTO t1 VALUES(2); + INSERT INTO t1 SELECT x+2 FROM t1; + INSERT INTO t1 SELECT x+4 FROM t1; + INSERT INTO t1 SELECT x+8 FROM t1; + INSERT INTO t1 SELECT x+16 FROM t1; + INSERT INTO t1 SELECT x+32 FROM t1; + INSERT INTO t1 SELECT x+64 FROM t1; + INSERT INTO t1 SELECT x+128 FROM t1; + INSERT INTO t1 SELECT x+256 FROM t1; + INSERT INTO t1 SELECT x+512 FROM t1; + INSERT INTO t1 SELECT x+1024 FROM t1; + INSERT INTO t1 SELECT x+2048 FROM t1; + INSERT INTO t1 SELECT x+4096 FROM t1; + INSERT INTO t1 SELECT x+8192 FROM t1; + INSERT INTO t1 SELECT x+16384 FROM t1; + INSERT INTO t1 SELECT x+32768 FROM t1; + INSERT INTO t1 SELECT x+65536 FROM t1; + INSERT INTO t1 SELECT x+131072 FROM t1; + INSERT INTO t1 SELECT x+262144 FROM t1; + COMMIT; + SELECT count(*) FROM t1; + } +} {524288} +do_test delete3-1.2 { + execsql { + DELETE FROM t1 WHERE x%2==0; + SELECT count(*) FROM t1; + } +} {262144} +integrity_check delete3-1.3 + +finish_test |