//select table_schema,table_name,column_name,referenced_table_schema,referenced_table_name,referenced_column_name from INFORMATION_SCHEMA.KEY_COLUMN_USAGE
// where table_schema ='matrix' AND REFERENCED_TABLE_NAME IS NOT NULL AND TABLE_NAME = 'credit_card' ;
// genForeignKey Foreign key of db info . 表的外键信息
typegenForeignKeystruct{
TableSchemastring`gorm:"column:table_schema"`// Database of columns.列所在的数据库
TableNamestring`gorm:"column:table_name"`// Data table of column.列所在的数据表