Examples with TableMetadata com.mendmix.mybatis.metadata.TableMetadata used on opensource projects

Example 6 with TableMetadata

use of com.mendmix.mybatis.metadata.TableMetadata in project jeesuite-libs by vakinge.

the class UpdateBuilder method buildSQL.

@Override
String buildSQL(EntityMetadata entityMapper, boolean selective) {
    // 从表注解里获取表名等信息
    TableMetadata tableMapper = entityMapper.getTable();
    Set<ColumnMetadata> columnMappers = entityMapper.getColumns();
    String idColumn = null;
    String idProperty = null;
    StringBuilder set = new StringBuilder();
    set.append("<trim prefix=\"SET\" suffixOverrides=\",\">");
    for (ColumnMetadata column : columnMappers) {
        if (!column.isUpdatable()) {
            continue;
        }
        if (column.isId()) {
            idColumn = column.getColumn();
            idProperty = column.getProperty();
        } else {
            String expr = SqlTemplate.wrapIfTag(column.getProperty(), column.getColumn() + "=#{" + column.getProperty() + "}", !selective);
            set.append(expr);
            if (!selective)
                set.append(",");
        }
    }
    if (!selective)
        set.deleteCharAt(set.length() - 1);
    set.append("</trim>");
    String sql = String.format(SqlTemplate.UPDATE_BY_KEY, tableMapper.getName(), set.toString(), idColumn, idProperty);
    return sql;
}