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OSCHINA-MIRROR/rtttte-mybatis-mapper2sql

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README.md

mybatis-mapper2sql

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Generate SQL Statements from the MyBatis3 Mapper XML file Just for SQL Review https://github.com/hhyo/archery/issues/3

Installation

pip install mybatis-mapper2sql

Usage

import mybatis_mapper2sql
# Parse Mybatis Mapper XML files
mapper, xml_raw_text = mybatis_mapper2sql.create_mapper(xml='mybatis_mapper.xml')
# Get All SQL Statements from Mapper
statement = mybatis_mapper2sql.get_statement(mapper)
# Get SQL Statement By SQLId
statement = mybatis_mapper2sql.get_child_statement(mapper, sql_id)

Examples

https://github.com/OldBlackJoe/mybatis-mapper

test.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="Test">
    <sql id="sometable">
        fruits
    </sql>
    <sql id="somewhere">
        WHERE
        category = #{category}
    </sql>
    <sql id="someinclude">
        FROM
        <include refid="${include_target}"/>
        <include refid="somewhere"/>
    </sql>
    <select id="testParameters">
        SELECT
        name,
        category,
        price
        FROM
        fruits
        WHERE
        category = #{category}
        AND price > ${price}
    </select>
    <select id="testInclude">
        SELECT
        name,
        category,
        price
        <include refid="someinclude">
            <property name="prefix" value="Some"/>
            <property name="include_target" value="sometable"/>
        </include>
    </select>
    <select id="testIf">
        SELECT
        name,
        category,
        price
        FROM
        fruits
        WHERE
        1=1
        <if test="category != null and category !=''">
            AND category = #{category}
        </if>
        <if test="price != null and price !=''">
            AND price = ${price}
            <if test="price >= 400">
                AND name = 'Fuji'
            </if>
        </if>
    </select>
    <select id="testTrim">
        SELECT
        name,
        category,
        price
        FROM
        fruits
        <trim prefix="WHERE" prefixOverrides="AND|OR">
            OR category = 'apple'
            OR price = 200
        </trim>
    </select>
    <select id="testWhere">
        SELECT
        name,
        category,
        price
        FROM
        fruits
        <where>
            AND category = 'apple'
            <if test="price != null and price !=''">
                AND price = ${price}
            </if>
        </where>
    </select>
    <update id="testSet">
        UPDATE
        fruits
        <set>
            <if test="category != null and category !=''">
                category = #{category},
            </if>
            <if test="price != null and price !=''">
                price = ${price},
            </if>
        </set>
        WHERE
        name = #{name}
    </update>
    <select id="testChoose">
        SELECT
        name,
        category,
        price
        FROM
        fruits
        <where>
            <choose>
                <when test="name != null">
                    AND name = #{name}
                </when>
                <when test="category == 'banana'">
                    AND category = #{category}
                    <if test="price != null and price !=''">
                        AND price = ${price} **Текст запроса представлен на языке Python.**

#### test.py ####
Get All SQL Statements from Mapper
```python
import mybatis_mapper2sql
mapper, xml_raw_text = mybatis_mapper2sql.create_mapper(xml='test.xml')
statement = mybatis_mapper2sql.get_statement(mapper, result_type='raw', reindent=True, strip_comments=True)
print(statement)
SELECT name,
       category,
       price
FROM fruits
WHERE category = ?
  AND price > ?;


SELECT name,
       category,
       price
FROM fruits
WHERE category = ?;


SELECT name,
       category,
       price
FROM fruits
WHERE 1=1
  AND category = ?
  AND price = ?
  AND name = 'Fuji';


SELECT name,
       category,
       price
FROM fruits
WHERE category = 'apple'
  OR price = 200;


SELECT name,
       category,
       price
FROM fruits
WHERE category = 'apple'
  AND price = ?;


UPDATE fruits
SET category = ?,
    price = ?
WHERE name = ?;


SELECT name,
       category,
       price
FROM fruits
WHERE name = ?
  AND category = ?
  AND price = ?
  AND category = 'apple';


SELECT name,
       category,
       price
FROM fruits
WHERE categy = 'apple'
  AND (name = ?
       OR name = ?);


INSERT INTO fruits (name, category, price)
VALUES (?,
        ?,
        ?) , (?,
              ?,
              ?);


SELECT name,
       category,
       price
FROM fruits
WHERE name like ?;

Get SQL Statement By SQLId

import mybatis_mapper2sql
mapper, xml_raw_text = mybatis_mapper2sql.create_mapper(xml='test.xml')
statement = mybatis_mapper2sql.get_child_statement(mapper,'testForeach', reindent=True, strip_comments=False)
print(statement)
SELECT name,
       category,
       price
FROM fruits
WHERE categy = 'apple'
  AND ( name = ? -- if(name == 'Jonathan' or name == 'Fuji')
OR name = ? -- if(name == 'Jonathan' or name == 'Fuji')
)

Running the tests

python setup.py test

Known Limitations

  • Doesn't support custom parameters
  • All sql parameters will be replace to '?'
  • All of the conditionals to apply in <if> <choose> <when> <otherwise> element

Acknowledgments

This project was inspired by the following projects and websites:

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Введение

Генерация SQL-операторов из XML-файла Mapper MyBatis3. Расширить Свернуть
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