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MDEV-19861 Add intfastructure to have ENUM columns in INFORMATION_SCHEMA

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This commit is contained in:
Alexander Barkov
2019-06-26 06:46:55 +04:00
parent 677133f1b3
commit 6f3612fa4d
5 changed files with 103 additions and 4 deletions
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22
sql/sql_type.cc
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@@ -2347,6 +2347,28 @@ Field *Type_handler_set::make_conversion_table_field(TABLE *table,
}
Field *Type_handler_enum::make_schema_field(TABLE *table,
const Record_addr &addr,
const ST_FIELD_INFO &def,
bool show_field) const
{
LEX_CSTRING name= def.name();
const Typelib *typelib= def.typelib();
DBUG_ASSERT(typelib);
/*
Assume I_S columns don't have non-ASCII characters in names.
If we eventually want to, Typelib::max_char_length() must be implemented.
*/
return new (table->in_use->mem_root)
Field_enum(addr.ptr(), (uint32) typelib->max_octet_length(),
addr.null_ptr(), addr.null_bit(),
Field::NONE, &name,
get_enum_pack_length(typelib->count),
typelib, system_charset_info);
}
/*************************************************************************/
bool Type_handler::