# # MDEV-20042 Implement EXTRA2_FIELD_DATA_TYPE_INFO in FRM # SET SESSION debug_dbug="+d,frm_data_type_info"; CREATE TABLE t1 (c01 INT, c02 CHAR(20), c03 TEXT, c04 DOUBLE); Warnings: Note 1105 build_frm_image: Field data type info length: 0 DROP TABLE t1; SET SESSION debug_dbug="-d,frm_data_type_info"; SET SESSION debug_dbug="+d,frm_data_type_info"; SET SESSION debug_dbug="+d,frm_data_type_info_emulate"; CREATE TABLE t1 (c01 INT, c02 CHAR(20), c03 TEXT, c04 DOUBLE); Warnings: Note 1105 build_frm_image: Field data type info length: 14 Note 1105 DBUG: [0] name='c01' type_info='' Note 1105 DBUG: [1] name='c02' type_info='xchar' Note 1105 DBUG: [2] name='c03' type_info='xblob' Note 1105 DBUG: [3] name='c04' type_info='' SET SESSION debug_dbug="-d,frm_data_type_info_emulate"; SET SESSION debug_dbug="-d,frm_data_type_info"; FLUSH TABLES; SHOW CREATE TABLE t1; ERROR HY000: Unknown data type: 'xchar' DROP TABLE t1;