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Plan Cache adds tracepoint and throws an error code when it fails.

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obdev
2023-12-18 16:17:59 +00:00
committed by ob-robot
parent c8d19338c9
commit 50ff96a108
2 changed files with 20 additions and 4 deletions
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1
deps/oblib/src/lib/utility/ob_tracepoint.h vendored
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@ -754,6 +754,7 @@ class EventTable
// sql parameterization 1170-1180
EN_SQL_PARAM_FP_NP_NOT_SAME_ERROR = 1170,
EN_FLUSH_PC_NOT_CLEANUP_LEAK_MEM_ERROR = 1171,
EN_PC_NOT_SWALLOW_ERROR = 1172,
// END OF sql parameterization 1170-1180
// session info verification

23
src/sql/ob_sql.cpp
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@ -3855,7 +3855,16 @@ int ObSql::pc_get_plan(ObPlanCacheCtx &pc_ctx,
//inner sql不能丢入大查询队列, 因为有可能上层查询已有数据返回客户端
} else {
get_plan_err = ret;
ret = OB_SUCCESS; //get plan出错, 覆盖错误码, 确保因plan cache的错误不影响正常执行路径
int tmp_ret = OB_SUCCESS;
tmp_ret = OB_E(EventTable::EN_PC_NOT_SWALLOW_ERROR) OB_SUCCESS;
if (OB_SUCCESS != tmp_ret) {
// do nothing
if (OB_SQL_PC_NOT_EXIST == ret) {
ret = OB_SUCCESS;
}
} else {
ret = OB_SUCCESS; //get plan出错, 覆盖错误码, 确保因plan cache的错误不影响正常执行路径
}
}
} else { //get plan 成功
plan_cache->inc_hit_and_access_cnt();
@ -4340,6 +4349,8 @@ int ObSql::pc_add_plan(ObPlanCacheCtx &pc_ctx,
ret = OB_REACH_MAX_CONCURRENT_NUM;
}
int tmp_ret = OB_SUCCESS;
tmp_ret = OB_E(EventTable::EN_PC_NOT_SWALLOW_ERROR) OB_SUCCESS;
if (is_batch_exec) {
// Batch optimization cannot continue for errors other than OB_SQL_PC_PLAN_DUPLICATE.
if (OB_SQL_PC_PLAN_DUPLICATE == ret) {
@ -4367,9 +4378,13 @@ int ObSql::pc_add_plan(ObPlanCacheCtx &pc_ctx,
ret = OB_SUCCESS;
LOG_DEBUG("plan cache don't support add this kind of plan now", K(phy_plan));
} else if (OB_FAIL(ret)) {
if (OB_REACH_MAX_CONCURRENT_NUM != ret) { //如果是达到限流上限, 则将错误码抛出去
ret = OB_SUCCESS; //add plan出错, 覆盖错误码, 确保因plan cache失败不影响正常执行路径
LOG_WARN("Failed to add plan to ObPlanCache", K(ret));
if (OB_SUCCESS != tmp_ret) {
} else {
if (OB_REACH_MAX_CONCURRENT_NUM != ret) { //如果是达到限流上限, 则将错误码抛出去
ret = OB_SUCCESS; //add plan出错, 覆盖错误码, 确保因plan cache失败不影响正常执行路径
LOG_WARN("Failed to add plan to ObPlanCache", K(ret));
}
}
} else {
pc_ctx.sql_ctx_.self_add_plan_ = true;