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MDEV-13655: Set role does not properly grant privileges.

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When granting a role to another role, DB privileges get propagated. If
the grantee had no previous DB privileges, an extra ACL_DB entry is created to
house those "indirectly received" privileges. If, afterwards, DB
privileges are granted to the grantee directly, we must make sure to not
create a duplicate ACL_DB entry.
This commit is contained in:
Vicențiu Ciorbaru
2017-12-16 11:56:16 +02:00
parent 40088bfc7e
commit 2fced9e7b6
4 changed files with 132 additions and 16 deletions
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2
sql/structs.h
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@ -191,7 +191,7 @@ typedef int *(*update_var)(THD *, struct st_mysql_show_var *);
typedef struct st_lex_user {
LEX_STRING user, host, password, plugin, auth;
bool is_role() { return user.str[0] && !host.str[0]; }
bool is_role() const { return user.str[0] && !host.str[0]; }
void set_lex_string(LEX_STRING *l, char *buf)
{
if (is_role())