session: add arguments info for retry #8506
Merged
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What problem does this PR solve?
For binary execute statement, the arguments info are missing when the transaction is retrying.
What is changed and how it works?
Add the arguments info when retrying.
Check List
Tests
The log looks as the following, the arguments appare twice, due to TiDB doesn't reset arguments when retrying. Related to session: move more session vars to stmt context for retrying #8034
2018/11/29 14:14:23.300 session.go:497: [warning] con:7 schema_ver:24 retry_cnt:0 query_num:0 sql:update t set i = ? [arguments: 2, 2]
Code changes
Side effects
PTAL @lysu @tiancaiamao
This change is