[1/2] msi: Accept a missing left backquote in SQL identifiers.
Hans Leidekker
hans at codeweavers.com
Tue Jan 3 06:53:14 CST 2012
Fixes http://bugs.winehq.org/show_bug.cgi?id=29328
---
dlls/msi/query.h | 2 +-
dlls/msi/sql.y | 5 +++--
dlls/msi/tests/db.c | 30 ++++++++++++++++++++++++++++++
dlls/msi/tokenize.c | 5 ++++-
4 files changed, 38 insertions(+), 4 deletions(-)
diff --git a/dlls/msi/query.h b/dlls/msi/query.h
index 8f8a244..ca34b4c 100644
--- a/dlls/msi/query.h
+++ b/dlls/msi/query.h
@@ -131,7 +131,7 @@ UINT STORAGES_CreateView( MSIDATABASE *db, MSIVIEW **view ) DECLSPEC_HIDDEN;
UINT DROP_CreateView( MSIDATABASE *db, MSIVIEW **view, LPCWSTR name ) DECLSPEC_HIDDEN;
-int sqliteGetToken(const WCHAR *z, int *tokenType) DECLSPEC_HIDDEN;
+int sqliteGetToken(const WCHAR *z, int *tokenType, int *skip) DECLSPEC_HIDDEN;
MSIRECORD *msi_query_merge_record( UINT fields, const column_info *vl, MSIRECORD *rec ) DECLSPEC_HIDDEN;
diff --git a/dlls/msi/sql.y b/dlls/msi/sql.y
index 548e142..ead7743 100644
--- a/dlls/msi/sql.y
+++ b/dlls/msi/sql.y
@@ -797,7 +797,7 @@ static column_info *parser_alloc_column( void *info, LPCWSTR table, LPCWSTR colu
static int sql_lex( void *SQL_lval, SQL_input *sql )
{
- int token;
+ int token, skip;
struct sql_str * str = SQL_lval;
do
@@ -807,11 +807,12 @@ static int sql_lex( void *SQL_lval, SQL_input *sql )
return 0; /* end of input */
/* TRACE("string : %s\n", debugstr_w(&sql->command[sql->n])); */
- sql->len = sqliteGetToken( &sql->command[sql->n], &token );
+ sql->len = sqliteGetToken( &sql->command[sql->n], &token, &skip );
if( sql->len==0 )
break;
str->data = &sql->command[sql->n];
str->len = sql->len;
+ sql->n += skip;
}
while( token == TK_SPACE );
diff --git a/dlls/msi/tests/db.c b/dlls/msi/tests/db.c
index 6ecd642..d33eb0c 100644
--- a/dlls/msi/tests/db.c
+++ b/dlls/msi/tests/db.c
@@ -727,6 +727,36 @@ static void test_msibadqueries(void)
r = try_query( hdb, "select * from 'c'");
ok(r == ERROR_BAD_QUERY_SYNTAX, "query failed\n");
+ r = try_query( hdb, "select `c`.`b` from `c` order by `c`.`order`");
+ ok( r == ERROR_BAD_QUERY_SYNTAX, "query failed: %u\n", r );
+
+ r = try_query( hdb, "select `c`.b` from `c`");
+ ok( r == ERROR_SUCCESS, "query failed: %u\n", r );
+
+ r = try_query( hdb, "select `c`.`b from `c`");
+ ok( r == ERROR_BAD_QUERY_SYNTAX, "query failed: %u\n", r );
+
+ r = try_query( hdb, "select `c`.b from `c`");
+ ok( r == ERROR_SUCCESS, "query failed: %u\n", r );
+
+ r = try_query( hdb, "select `c.`b` from `c`");
+ ok( r == ERROR_BAD_QUERY_SYNTAX, "query failed: %u\n", r );
+
+ r = try_query( hdb, "select c`.`b` from `c`");
+ ok( r == ERROR_SUCCESS, "query failed: %u\n", r );
+
+ r = try_query( hdb, "select c.`b` from `c`");
+ ok( r == ERROR_SUCCESS, "query failed: %u\n", r );
+
+ r = try_query( hdb, "select `c`.`b` from c`");
+ ok( r == ERROR_SUCCESS, "query failed: %u\n", r );
+
+ r = try_query( hdb, "select `c`.`b` from `c");
+ ok( r == ERROR_BAD_QUERY_SYNTAX, "query failed: %u\n", r );
+
+ r = try_query( hdb, "select `c`.`b` from c");
+ ok( r == ERROR_SUCCESS, "query failed: %u\n", r );
+
r = try_query( hdb, "CREATE TABLE `\5a` (`b` CHAR NOT NULL PRIMARY KEY `b`)" );
ok( r == ERROR_SUCCESS , "query failed: %u\n", r );
diff --git a/dlls/msi/tokenize.c b/dlls/msi/tokenize.c
index 64e14b8..c432888 100644
--- a/dlls/msi/tokenize.c
+++ b/dlls/msi/tokenize.c
@@ -190,8 +190,10 @@ static const char isIdChar[] = {
** -1 if the token is (or might be) incomplete. Store the token
** type in *tokenType before returning.
*/
-int sqliteGetToken(const WCHAR *z, int *tokenType){
+int sqliteGetToken(const WCHAR *z, int *tokenType, int *skip){
int i;
+
+ *skip = 0;
switch( *z ){
case ' ': case '\t': case '\n': case '\f':
for(i=1; isspace(z[i]) && z[i] != '\r'; i++){}
@@ -280,6 +282,7 @@ int sqliteGetToken(const WCHAR *z, int *tokenType){
}
for(i=1; isIdChar[z[i]]; i++){}
*tokenType = sqliteKeywordCode(z, i);
+ if( *tokenType == TK_ID && z[i] == '`' ) *skip = 1;
return i;
}
*tokenType = TK_ILLEGAL;
--
1.7.7.3
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