MyBatis: Difference between revisions

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* [https://stackoverflow.com/questions/27952472 Serialize/deserialize <code>java.time</code> with Jackson]
* [https://stackoverflow.com/questions/17193040  MyBatis Association Passing Multiple Columns]
* [https://stackoverflow.com/questions/17193040  MyBatis Association Passing Multiple Columns]
* [https://stackoverflow.com/questions/44533937 MyBatis Collections Passing Multiple Columns]
* [https://programmer.group/integration-of-mybatis-and-jpa-persistence-in-springboot-learning-6.html Integration of MyBatis & JPA in Spring boot]
* [https://github.com/mybatis/mybatis-dynamic-sql/tree/master/src/test/java/examples/paging MyBatis Dynamic SQL for Paging]
* [https://github.com/mybatis/mybatis-dynamic-sql/tree/master/src/test/java/examples/paging MyBatis Dynamic SQL for Paging]
* [https://mybatis.org/mybatis-dynamic-sql/docs/select.html MyBatis Dynamic SQL for Select]
* [https://mybatis.org/mybatis-dynamic-sql/docs/select.html MyBatis Dynamic SQL for Select]
* [https://github.com/mybatis/mybatis-dynamic-sql/tree/master/src/test/java/examples MyBatis Dynamic SQL Examples]
* [https://github.com/mybatis/mybatis-dynamic-sql/tree/master/src/test/java/examples MyBatis Dynamic SQL Examples]
* [https://github.com/mybatis/typehandlers-jsr310#supported-types MyBatis Supported Types]
* [[MapStruct]]
* [[Lombok]]
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* [https://docs.oracle.com/javase/8/docs/api/java/time/format/DateTimeFormatter.html Java » ISO <code>DateTimeFormatter</code>]


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Latest revision as of 18:06, 1 February 2024

Sql

<sql id="userColumns">
    ${alias}.id,
    ${alias}.entered,
    ${alias}.enterer,
    ${alias}.amended,
    ${alias}.amender
</sql>
<select id="selectUsers" resultType="map">
SELECT
    <include refid="userColumns"><property name="alias" value="t1"/></include>,
    <include refid="userColumns"><property name="alias" value="t2"/></include>
FROM
    M00TM00X00 t1
    LEFT join M00TM00X00 t2 on t1.id = t2.id
</select>

Key

<insert id="createDataType">
    <selectKey keyProperty="id" resultType="int" order="BEFORE">
        SELECT
            nvl(MAX(id),0) + 1 id
        FROM
            M00TM00X00
    </selectKey>
    INSERT INTO M00TM00X00 (
        id,
        data_type_code,
        data_type_name,
        entered,
        enterer
    )
    VALUES (
        #{id},
        #{dataTypeCode},
        #{dataTypeName},
        SYSDATE,
        'SELF'
    )
</insert>

JdbcType

package org.apache.ibatis.type;

import java.sql.Types;
import java.util.HashMap;
import java.util.Map;

/**
 * @author Clinton Begin
 */
public enum JdbcType {
  ARRAY(Types.ARRAY),
  BIT(Types.BIT),
  TINYINT(Types.TINYINT),
  SMALLINT(Types.SMALLINT),
  INTEGER(Types.INTEGER),
  BIGINT(Types.BIGINT),
  FLOAT(Types.FLOAT),
  REAL(Types.REAL),
  DOUBLE(Types.DOUBLE),
  NUMERIC(Types.NUMERIC),
  DECIMAL(Types.DECIMAL),
  CHAR(Types.CHAR),
  VARCHAR(Types.VARCHAR),
  LONGVARCHAR(Types.LONGVARCHAR),
  DATE(Types.DATE),
  TIME(Types.TIME),
  TIMESTAMP(Types.TIMESTAMP),
  BINARY(Types.BINARY),
  VARBINARY(Types.VARBINARY),
  LONGVARBINARY(Types.LONGVARBINARY),
  NULL(Types.NULL),
  OTHER(Types.OTHER),
  BLOB(Types.BLOB),
  CLOB(Types.CLOB),
  BOOLEAN(Types.BOOLEAN),
  CURSOR(-10), // Oracle
  UNDEFINED(Integer.MIN_VALUE + 1000),
  NVARCHAR(Types.NVARCHAR), // JDK6
  NCHAR(Types.NCHAR), // JDK6
  NCLOB(Types.NCLOB), // JDK6
  STRUCT(Types.STRUCT),
  JAVA_OBJECT(Types.JAVA_OBJECT),
  DISTINCT(Types.DISTINCT),
  REF(Types.REF),
  DATALINK(Types.DATALINK),
  ROWID(Types.ROWID), // JDK6
  LONGNVARCHAR(Types.LONGNVARCHAR), // JDK6
  SQLXML(Types.SQLXML), // JDK6
  DATETIMEOFFSET(-155), // SQL Server 2008
  TIME_WITH_TIMEZONE(Types.TIME_WITH_TIMEZONE), // JDBC 4.2 JDK8
  TIMESTAMP_WITH_TIMEZONE(Types.TIMESTAMP_WITH_TIMEZONE); // JDBC 4.2 JDK8

  public final int TYPE_CODE;
  private static Map<Integer,JdbcType> codeLookup = new HashMap<>();

  static {
    for (JdbcType type : JdbcType.values()) {
      codeLookup.put(type.TYPE_CODE, type);
    }
  }

  JdbcType(int code) {
    this.TYPE_CODE = code;
  }

  public static JdbcType forCode(int code)  {
    return codeLookup.get(code);
  }
}

References