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Add the experimental sqlite3session_changeset_size() API.

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FossilOrigin-Name: b5564a6fd54875db1de884fdc0e5eeabcd6aa5595ad03a8a60843503e830a2d8
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dan
2021-04-21 20:52:17 +00:00
parent 7437c25b63
commit a23a873fbb
12 changed files with 305 additions and 35 deletions
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108
ext/session/sessionsize.test Normal file
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# 2021 April 22
#
# 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.
#
if {![info exists testdir]} {
set testdir [file join [file dirname [info script]] .. .. test]
}
source [file join [file dirname [info script]] session_common.tcl]
source $testdir/tester.tcl
ifcapable !session {finish_test; return}
set testprefix sessionsize
proc do_changeset_size_test {tn sql} {
sqlite3session S db main
S attach *
db eval $sql
set sz [S changeset_size]
set C [S changeset]
set szC [string length $C]
S delete
do_test $tn "expr $sz" $szC
}
do_execsql_test 1.0 {
CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c);
INSERT INTO t1 VALUES(1, 'abc', 'def');
INSERT INTO t1 VALUES(2, 'ghi', 'jkl');
}
do_changeset_size_test 1.1 {
INSERT INTO t1 VALUES(3, 'hello', 'world');
}
do_changeset_size_test 1.2 {
DELETE FROM t1 WHERE a=2;
}
do_changeset_size_test 1.3 {
DELETE FROM t1 WHERE a=3;
INSERT INTO t1 VALUES(3, 1, 2);
}
do_changeset_size_test 1.4 {
UPDATE t1 SET c='hello world' WHERE a=3;
}
#-------------------------------------------------------------------------
do_execsql_test 2.0 {
CREATE TABlE t2(a, b, c, d, PRIMARY KEY(a, b)) WITHOUT ROWID;
CREATE TABlE t3(a, b, c, d PRIMARY KEY);
}
do_changeset_size_test 2.1 {
WITH s(i) AS (
SELECT 1 UNION ALL SELECT i+1 FROM s WHERE i<50
)
INSERT INTO t2 SELECT i, i+1, i+2, i+3 FROM s;
UPDATE t2 SET c=randomblob(a) WHERE a>10
}
do_changeset_size_test 2.2 {
DELETE FROM t2 WHERE a=1;
INSERT INTO t2 VALUES(1, 4, 3, 4);
}
do_changeset_size_test 2.2 {
UPDATE t2 SET b=4 WHERE a=2
}
do_changeset_size_test 2.3 {
INSERT INTO t2 VALUES('a', 'b', 'c', 'd');
UPDATE t2 SET c='qwertyuiop' WHERE a='a';
}
do_changeset_size_test 2.4 {
DELETE FROM t2 WHERE a='a';
INSERT INTO t2 VALUES('a', 'b', 'c', 'd');
}
do_changeset_size_test 2.5 {
UPDATE t2 SET a='aa', b='bb' WHERE (a, b) = ('a', 'b');
}
do_changeset_size_test 2.6 {
UPDATE t2 SET a='a', b='b' WHERE (a, b) = ('aa', 'bb');
}
do_changeset_size_test 2.7 {
INSERT INTO t3 DEFAULT VALUES;
INSERT INTO t3 VALUES(1,2,3,4);
}
finish_test