merge tsdb meta support and refactor

deployer/src/main/resources/spring/tsdb/sql-map/sqlmap_snapshot.xml

@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE sqlMap PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd" >
+<sqlMap namespace="table_meta_snapshot">
+
+
+    <typeAlias alias="metaSnapshotDO" type="com.alibaba.otter.canal.parse.inbound.mysql.tsdb.model.MetaSnapshotDO"/>
+
+
+    <typeAlias alias="tableMetaSnapshotDO"
+               type="com.alibaba.middleware.jingwei.biz.dataobject.CanalTableMetaSnapshotDO"/>
+    <sql id="allColumns">
+        <![CDATA[
+
+		gmt_create,gmt_modified,binlog_file,binlog_offest,binlog_master_id,binlog_timestamp,data,extra
+
+        ]]>
+    </sql>
+    <sql id="allVOColumns">
+        <![CDATA[
+
+		a.id as id,a.gmt_create as gmtCreate,a.gmt_modified as gmtModified,
+		a.binlog_file as binlogFile,a.binlog_offest as binlogOffest,a.binlog_master_id as binlogMaster_id,a.binlog_timestamp as binlogTimestamp,a.data as data,a.extra as extra
+
+        ]]>
+    </sql>
+
+    <select id="findByTimestamp" parameterClass="java.util.Map" resultClass="metaSnapshotDO">
+        select
+        <include refid="allVOColumns"/>
+        from `canal_table_meta_snapshot$env$` a
+        <![CDATA[
+        where  binlog_timestamp < #timestamp#
+        order by binlog_timestamp desc,id desc
+        limit 1
+        ]]>
+    </select>
+
+    <insert id="insert" parameterClass="metaSnapshotDO">
+        insert into `canal_table_meta_snapshot` (<include refid="allColumns"/>)
+        values(now(),now(),#binlogFile#,#binlogOffest#,#binlogMasterId#,#binlogTimestamp#,#data#,#extra#);
+        <selectKey resultClass="java.lang.Long" keyProperty="id">
+            SELECT last_insert_id()
+        </selectKey>
+    </insert>
+
+    <update id="update" parameterClass="metaSnapshotDO">
+        update `canal_table_meta_snapshot` set gmt_modified=now(),
+        binlog_file=#binlogFile#,binlog_offest=#binlogOffest#,binlog_master_id=#binlogMasterId#,binlog_timestamp=#binlogTimestamp#,data=#data#,extra=#extra#
+        where binlog_timestamp=0
+    </update>
+
+
+    <delete id="deleteByGmtModified" parameterClass="java.util.Map">
+        <![CDATA[
+
+		delete from `canal_table_meta_snapshot`
+		where gmt_modified < date_sub(now(),interval #interval# second)
+
+        ]]>
+    </delete>
+
+    <select id="getAll" resultClass="metaSnapshotDO">
+        select * from canal_table_meta_snapshot
+    </select>
+
+</sqlMap>