mysql_ddl_tmpl = """{% macro typeStr(type,len,dec) %}
{%- if type=='str' -%}
VARCHAR({{len}})
{%- elif type=='char' -%}
CHAR({{len}})
{%- elif type=='long' or type=='int' or type=='short' -%}
int
{%- elif type=='long' -%}
bigint
{%- elif type=='float' or type=='double' or type=='ddouble' -%}
double({{len}},{{dec}})
{%- elif type=='date' -%}
date
{%- elif type=='time' -%}
time
{%- elif type=='datetime' -%}
datetime
{%- elif type=='timestamp' -%}
TIMESTAMP DEFAULT CURRENT_TIMESTAMP
{%- elif type=='text' -%}
longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci
{%- elif type=='bin' -%}
longblob
{%- else -%}
{{type}}
{%- endif %}
{%- endmacro %}

{%- macro defaultValue(defaultv) %}
{%- if defaultv %} DEFAULT '{{defaultv}}'{%- endif -%}
{%- endmacro %}

{% macro nullStr(nullable) %}
{%- if nullable=='no' -%}
NOT NULL
{%- endif -%}
{% endmacro %}
{% macro primary() %}
,primary key({{','.join(summary[0].primary)}})
{% endmacro %}
-- 建库时请用以下语句，支持emoji字符
-- CREATE DATABASE mydb CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
drop table if exists {{summary[0].name}};
CREATE TABLE {{summary[0].name}}
(
{% for field in fields %}
  `{{field.name}}` {{typeStr(field.type,field.length,field.dec)}} {{nullStr(field.nullable)}} {{defaultValue(field.default)}} {%if field.title -%} comment '{{field.title}}'{%- endif %}{%- if not loop.last -%},{%- endif -%}
{% endfor %}
{% if summary[0].primary and len(summary[0].primary)>0 %}
{{primary()}}
{% endif %}
)
CHARACTER SET utf8mb4
COLLATE utf8mb4_unicode_ci
engine=innodb 
{% if summary[0].title %}comment '{{summary[0].title}}'{% endif %}
;
{% for v in indexes %}
CREATE {% if v.idxtype=='unique' %}UNIQUE{% endif %} INDEX {{summary[0].name}}_{{v.name}} ON {{summary[0].name}}({{",".join(v.idxfields)}});
{%- endfor -%}
"""