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When comparing names during name resolution, make sure the names match

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exactly and that one name isn't merely a prefix of the other.
Fix for ticket [7a31705a7e6c95d51].

FossilOrigin-Name: c2d5a23b1ab39918e97c596cf75c42f86a5fe2b7
This commit is contained in:
drh 2013-02-26 12:57:42 +00:00
parent 9cf37e718c
commit dd1dd489d9
4 changed files with 37 additions and 10 deletions
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15
manifest
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@ -1,5 +1,5 @@
C Change\sthe\sway\stest\sscript\sincrvacuum3.test\scopies\sdatabase\sfiles\sin\sorder\sto\savoid\strying\sto\sread\sthe\s(locked)\s512\sbyte\s'pending-byte'\sregion.
D 2013-02-26T06:14:27.544
C When\scomparing\snames\sduring\sname\sresolution,\smake\ssure\sthe\snames\smatch\nexactly\sand\sthat\sone\sname\sisn't\smerely\sa\sprefix\sof\sthe\sother.\nFix\sfor\sticket\s[7a31705a7e6c95d51].
D 2013-02-26T12:57:42.514
F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
F Makefile.in a48faa9e7dd7d556d84f5456eabe5825dd8a6282
F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@ -172,7 +172,7 @@ F src/pragma.c bdb484d0283965c431d4153f28c30f836a1f16b1
F src/prepare.c 931ad0d852a0df48f79adcba6ce79ca5f475625c
F src/printf.c 4a9f882f1c1787a8b494a2987765acf9d97ac21f
F src/random.c cd4a67b3953b88019f8cd4ccd81394a8ddfaba50
F src/resolve.c 652ae6dc0f185b01b4536bb2fa7d878f13f0f1df
F src/resolve.c 9079da7d59aed2bb14ec8315bc7f720dd85b5b65
F src/rowset.c 64655f1a627c9c212d9ab497899e7424a34222e0
F src/select.c e1c6f6abdf9f359f4e735cb8ae11d2f359bf52a9
F src/shell.c 7c41bfcd9e5bf9d96b9215f79b03a5b2b44a3bca
@ -784,6 +784,7 @@ F test/tkt-5e10420e8d.test 904d1687b3c06d43e5b3555bbcf6802e7c0ffd84
F test/tkt-5ee23731f.test 9db6e1d7209dc0794948b260d6f82b2b1de83a9f
F test/tkt-752e1646fc.test ea78d88d14fe9866bdd991c634483334639e13bf
F test/tkt-78e04e52ea.test 703e0bfb23d543edf0426a97e3bbd0ca346508ec
F test/tkt-7a31705a7e6.test 5a7889fdb095ffbe1622413e0145de1637d421bd
F test/tkt-7bbfb7d442.test dfa5c8097a8c353ae40705d6cddeb1f99c18b81a
F test/tkt-80ba201079.test 105a721e6aad0ae3c5946d7615d1e4d03f6145b8
F test/tkt-80e031a00f.test 9a154173461a4dbe2de49cda73963e04842d52f7
@ -1035,7 +1036,7 @@ F tool/vdbe-compress.tcl f12c884766bd14277f4fcedcae07078011717381
F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
F tool/warnings.sh fbc018d67fd7395f440c28f33ef0f94420226381
F tool/win/sqlite.vsix 97894c2790eda7b5bce3cc79cb2a8ec2fde9b3ac
P 6d7973524a7d3bf3158fdac58975945da7f51740
R 538583335e104793ae2aa040823d6e4d
U dan
Z 05d687700aaf72f6488f6d2b4316e01c
P fa1842e462049b1366909fe36d6d81b634be3953
R f34c00396e68edbafc7e03b1d894fd28
U drh
Z a7d367b0a7c33935bece18346d0a84c6

2
manifest.uuid
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@ -1 +1 @@
fa1842e462049b1366909fe36d6d81b634be3953
c2d5a23b1ab39918e97c596cf75c42f86a5fe2b7

4
src/resolve.c
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@ -165,12 +165,12 @@ int sqlite3MatchSpanName(
){
int n;
for(n=0; ALWAYS(zSpan[n]) && zSpan[n]!='.'; n++){}
if( zDb && sqlite3StrNICmp(zSpan, zDb, n)!=0 ){
if( zDb && (sqlite3StrNICmp(zSpan, zDb, n)!=0 || zDb[n]!=0) ){
return 0;
}
zSpan += n+1;
for(n=0; ALWAYS(zSpan[n]) && zSpan[n]!='.'; n++){}
if( zTab && sqlite3StrNICmp(zSpan, zTab, n)!=0 ){
if( zTab && (sqlite3StrNICmp(zSpan, zTab, n)!=0 || zTab[n]!=0) ){
return 0;
}
zSpan += n+1;

26
test/tkt-7a31705a7e6.test Normal file
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@ -0,0 +1,26 @@
# 2013 February 26
#
# 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. Specifically,
# it tests that ticket [7a31705a7e6c95d514e6f20a6900f436bbc9fed8] in the
# name resolver has been fixed.
#
set testdir [file dirname $argv0]
source $testdir/tester.tcl
do_execsql_test tkt-7a31705a7e6-1.1 {
CREATE TABLE t1 (a INTEGER PRIMARY KEY);
CREATE TABLE t2 (a INTEGER PRIMARY KEY, b INTEGER);
CREATE TABLE t2x (b INTEGER PRIMARY KEY);
SELECT t1.a FROM ((t1 JOIN t2 ON t1.a=t2.a) AS x JOIN t2x ON x.b=t2x.b) as y;
} {}