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27 lines
1.0 KiB
27 lines
1.0 KiB
6 years ago
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<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE mapper
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PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.blockchain.server.eth.mapper.EthBlockNumberMapper">
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<resultMap id="EthBlockNumberMap" type="com.blockchain.server.eth.entity.EthBlockNumber">
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<result property="createTime" column="create_time"/>
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<result property="updateTime" column="update_time"/>
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<result property="blockNumber" column="block_number"/>
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<result property="status" column="status"/>
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</resultMap>
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<sql id="tableName">dapp_eth_block_number</sql>
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<select id="selectMaxBlockNumber" resultType="BigInteger">
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SELECT block_number FROM
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<include refid="tableName"/>
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ORDER BY block_number DESC LIMIT 1
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</select>
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<select id="selectMinBlockNumber" resultType="BigInteger">
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SELECT block_number FROM
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<include refid="tableName"/>
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ORDER BY block_number ASC LIMIT 1
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</select>
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</mapper>
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