mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-01-15 19:42:28 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add QT_ITEM_IDENT_DISABLE_DB_TABLE_NAMES flag for Item::print

Browse source 
It allows to skip db and table name when printing table column references.
This commit is contained in:
Sergei Petrunia 2020-08-14 14:45:36 +03:00
parent 16d8d18907
commit 68cba09173
2 changed files with 12 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
sql/item.cc
View file

@ -3193,6 +3193,12 @@ void Item_ident::print(String *str, enum_query_type query_type)
use_db_name= use_table_name= false;
}
if ((query_type & QT_ITEM_IDENT_DISABLE_DB_TABLE_NAMES))
{
// Don't print db or table name irrespective of any other settings.
use_db_name= use_table_name= false;
}
if (!field_name.str || !field_name.str[0])
{
append_identifier(thd, str, STRING_WITH_LEN("tmp_field"));

6
sql/mysqld.h
View file

@ -871,6 +871,12 @@ enum enum_query_type
QT_ITEM_SUBSELECT_ID_ONLY,
QT_SHOW_SELECT_NUMBER= (1<<10),
/// Do not print database name or table name in the identifiers (even if
/// this means the printout will be ambigous). It is assumed that the caller
/// passing this flag knows what they are doing.
QT_ITEM_IDENT_DISABLE_DB_TABLE_NAMES= (1 <<11),
/// This is used for EXPLAIN EXTENDED extra warnings / Be more detailed
/// Be more detailed than QT_EXPLAIN.
/// Perhaps we should eventually include QT_ITEM_IDENT_SKIP_CURRENT_DATABASE