mint/v1/scripts/migrations/20211207171500_sent_historay_copy.php

<?php
/*
迁移  sentence pr 库
从旧数据表中提取数据插入到新的表
插入时用uuid判断是否曾经插入
曾经插入就不插入了
*/
require_once __DIR__."/../../app/config.php";

# 更新索引表
$src_db=_SRC_USER_SENTENCE_HISTORAY_;#源数据库
$src_table=_TABLE_SRC_SENTENCE_HISTORAY_;#源表名
$dest_db=_FILE_DB_USER_SENTENCE_HISTORAY_;#目标数据库
$dest_table=_TABLE_SENTENCE_HISTORAY_;#目标表名

fwrite(STDOUT,"migarate sent_historay".PHP_EOL);
#打开源数据库
$PDO_SRC = new PDO($src_db,_DB_USERNAME_,_DB_PASSWORD_,array(PDO::ATTR_PERSISTENT=>true));
$PDO_SRC->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);
fwrite(STDOUT,"open src table".PHP_EOL);

#打开目标数据库
$PDO_DEST = new PDO($dest_db,_DB_USERNAME_,_DB_PASSWORD_,array(PDO::ATTR_PERSISTENT=>true));
$PDO_DEST->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);
fwrite(STDOUT,"open dest table".PHP_EOL);

$queryInsert = "INSERT INTO ".$dest_table." 
								(
									sent_uid,
									user_uid,
									content,
									landmark,
									date,
									created_at) 
									VALUES ( ? , ? , ? , ? , ? , to_timestamp(?))";


$commitData = [];
$allInsertCount = 0;
$allSrcCount = 0;
$count = 0;

#从源数据表中读取
$query = "SELECT *  FROM ".$src_table." WHERE true ";
$stmtSrc = $PDO_SRC->prepare($query);
$stmtSrc->execute();
while($srcData = $stmtSrc->fetch(PDO::FETCH_ASSOC)){
	$allSrcCount++;
	#插入目标表

	{
		#查询目标表中是否有相同数据
		$queryExsit = "SELECT id  FROM ".$dest_table." WHERE sent_uid = ? and user_uid = ? and content=? and date=? ";
		$getExist = $PDO_DEST->prepare($queryExsit);
		$getExist->execute(array($srcData["sent_id"],$srcData["user_id"],$srcData["text"],$srcData["date"]));
		$exist = $getExist->fetch(PDO::FETCH_ASSOC);
		if(!$exist){
			#没有相同数据
			$commitData[] = array(
					$srcData["sent_id"],
					$srcData["user_id"],
					$srcData["text"],
					$srcData["landmark"],
					(int)$srcData["date"],
					$srcData["date"]/1000
				);	
			$count++;	
			$allInsertCount++;
		}

		if($count ==10000){
			#10000行插入一次
			// 开始一个事务，关闭自动提交
			$PDO_DEST->beginTransaction();
			$stmtDEST = $PDO_DEST->prepare($queryInsert);
			foreach ($commitData as $key => $value) {
				$stmtDEST->execute($value);
				if (!$stmtDEST || ($stmtDEST && $stmtDEST->errorCode() != 0)) {
					$error = $PDO_DEST->errorInfo();
					echo "error - $error[2] ";
					exit;
				}
			}
			// 提交更改
			$PDO_DEST->commit();
			$commitData = [];
			echo "finished $count".PHP_EOL;
			$count=0;
		}	
	}
}
if($count>0){
	#最后的没有到10000的数据插入
	$PDO_DEST->beginTransaction();
	$stmtDEST = $PDO_DEST->prepare($queryInsert);
	foreach ($commitData as $key => $value) {
		$stmtDEST->execute($value);
		if (!$stmtDEST || ($stmtDEST && $stmtDEST->errorCode() != 0)) {
			$error = $PDO_DEST->errorInfo();
			echo "error - $error[2] ";
			exit;
		}
	}
	// 提交更改
	$PDO_DEST->commit();
	$commitData = [];
	echo "finished $count".PHP_EOL;
}

echo "insert done $allInsertCount in $allSrcCount ".PHP_EOL;

echo "all done".PHP_EOL;