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to issue<38555062>:fix nested sql bug when using execute immediate stmt to exexute anonymous block

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obdev
2023-02-08 15:36:38 +08:00
committed by ob-robot
parent e086f0b327
commit 88c8c6cb08
1 changed files with 21 additions and 2 deletions
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21
src/sql/ob_sql_utils.cpp
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@ -4281,10 +4281,29 @@ bool ObSQLUtils::is_pl_nested_sql(ObExecContext *cur_ctx)
ObExecContext *parent_ctx = cur_ctx->get_parent_ctx();
//parent_sql = is_dml_stmt means this sql is triggered by a sql, not pl procedure
if (OB_NOT_NULL(parent_ctx->get_sql_ctx())
&& ObStmt::is_dml_stmt(parent_ctx->get_sql_ctx()->stmt_type_)
&& parent_ctx->get_pl_stack_ctx() != nullptr
&& !parent_ctx->get_pl_stack_ctx()->in_autonomous()) {
if (ObStmt::is_dml_stmt(parent_ctx->get_sql_ctx()->stmt_type_)) {
bret = true;
} else if (stmt::T_ANONYMOUS_BLOCK == parent_ctx->get_sql_ctx()->stmt_type_) {
/* anonymous block in a store procedure will be send to sql engine as sql, which will make new obexeccontext.
consider follow scene:
dml1(exec_ctx1)->udf/trigger->procedure->anonymous block(exec_ctx2)->dml2
outer dml1 and inner dml2 form a nested scene. bug current code logic cannot identify this scene.
so it need to skip anonymous block obexeccontext */
do {
parent_ctx = parent_ctx->get_parent_ctx();
} while (OB_NOT_NULL(parent_ctx) && OB_NOT_NULL(parent_ctx->get_sql_ctx()) &&
(stmt::T_ANONYMOUS_BLOCK == parent_ctx->get_sql_ctx()->stmt_type_));
if (OB_NOT_NULL(parent_ctx) &&
OB_NOT_NULL(parent_ctx->get_sql_ctx()) &&
OB_NOT_NULL(parent_ctx->get_pl_stack_ctx()) &&
ObStmt::is_dml_stmt(parent_ctx->get_sql_ctx()->stmt_type_) &&
!parent_ctx->get_pl_stack_ctx()->in_autonomous()) {
bret = true;
}
}
}
}
return bret;