jetbrick-orm/src/main/java/jetbrick/dao/dialect/SqlDialect.java
public boolean supportsColumnLength(String type) {
        Set<String> columnSet = new HashSet<String>();
        columnSet.add("char");
        columnSet.add("nchar");
        columnSet.add("varchar");
        columnSet.add("nvarchar");
        columnSet.add("varchar2");
        columnSet.add("nvarchar2");
        columnSet.add("number");
        columnSet.add("numeric");
        columnSet.add("dec");
        columnSet.add("decimal");
        return columnSet.contains(type.toLowerCase());
    }
public boolean supportsColumnLength(String type) {
        Set<String> columnSet = new HashSet<String>();
        columnSet.add("char");
        columnSet.add("nchar");
        columnSet.add("varchar");
        columnSet.add("nvarchar");
        columnSet.add("varchar2");
        columnSet.add("nvarchar2");
        columnSet.add("number");
        columnSet.add("numeric");
        columnSet.add("dec");
        columnSet.add("decimal");
        return columnSet.contains(type.toLowerCase());
    }
哪些数据库字段运行指定长度.
@param type 具体的数据库字段类型