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Bug#24062 Incorrect error msg after execute DROP TABLE IF EXISTS on information_schema

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backport to Betony
This commit is contained in:
Sergey Glukhov
2009-10-23 11:56:30 +05:00
parent 1ad9d1f1df
commit 9745498778
9 changed files with 114 additions and 40 deletions
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14
sql/sql_parse.cc
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@@ -6338,7 +6338,19 @@ TABLE_LIST *st_select_lex::add_table_to_list(THD *thd,
if (!ptr->derived && !my_strcasecmp(system_charset_info, ptr->db,
INFORMATION_SCHEMA_NAME.str))
{
ST_SCHEMA_TABLE *schema_table= find_schema_table(thd, ptr->table_name);
ST_SCHEMA_TABLE *schema_table;
if (ptr->updating &&
/* Special cases which are processed by commands itself */
lex->sql_command != SQLCOM_CHECK &&
lex->sql_command != SQLCOM_CHECKSUM)
{
my_error(ER_DBACCESS_DENIED_ERROR, MYF(0),
thd->security_ctx->priv_user,
thd->security_ctx->priv_host,
INFORMATION_SCHEMA_NAME.str);
DBUG_RETURN(0);
}
schema_table= find_schema_table(thd, ptr->table_name);
if (!schema_table ||
(schema_table->hidden &&
((sql_command_flags[lex->sql_command] & CF_STATUS_COMMAND) == 0 ||