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Result::getWarningsCount — Get warning count from last operation
Retrieve the number of warnings from the last Result operation.
此函數沒(méi)有參數。
The number of warnings generated by the last operation.
示例 #1 mysql_xdevapi\RowResult::getWarningsCount() example
<?php
$session = mysql_xdevapi\getSession("mysqlx://user:password@localhost");
$session->sql("DROP DATABASE IF EXISTS foo")->execute();
$session->sql("CREATE DATABASE foo")->execute();
$session->sql("CREATE TABLE foo.test_table(x int)")->execute();
$schema = $session->getSchema("foo");
$table = $schema->getTable("test_table");
$table->insert(['x'])->values([1])->values([2])->execute();
$res = $table->select(['x/0 as bad_x'])->execute();
echo $res->getWarningsCount();
?>
以上例程的輸出類(lèi)似于：
2