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set the initial value of wrs to scn min

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This commit is contained in:
obdev
2022-11-28 02:55:06 +00:00
committed by ob-robot
parent 99d4f56fec
commit 87a9357186
406 changed files with 6473 additions and 50308 deletions
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5
src/sql/resolver/expr/ob_expr_relation_analyzer.cpp
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@ -90,8 +90,7 @@ int ObExprRelationAnalyzer::visit_expr(ObRawExpr &expr, int32_t stmt_level)
LOG_WARN("param expr is null", K(ret), K(param), K(i), K(expr));
} else if (OB_FAIL(SMART_CALL(visit_expr(*param, stmt_level)))) {
LOG_WARN("failed to visit param", K(ret));
} else if (!expr.is_query_ref_expr() &&
OB_FAIL(expr.get_expr_levels().add_members(param->get_expr_levels()))) {
} else if (OB_FAIL(expr.get_expr_levels().add_members(param->get_expr_levels()))) {
LOG_WARN("failed to add expr levels", K(ret));
} else if (!param->get_expr_levels().has_member(stmt_level)) {
// skip
@ -161,6 +160,8 @@ int ObExprRelationAnalyzer::visit_stmt(ObDMLStmt *stmt)
LOG_WARN("relation expr is null", K(ret), K(expr));
} else if (OB_FAIL(visit_expr(*expr, stmt->get_current_level()))) {
LOG_WARN("failed to visit expr", K(ret));
} else if (OB_FAIL(expr->extract_info())) {
LOG_WARN("failed to extract expr info");
}
}
if (OB_SUCC(ret) && stmt->is_select_stmt()) {

14
src/sql/resolver/expr/ob_raw_expr_resolver_impl.cpp
View File

@ -2316,7 +2316,9 @@ int ObRawExprResolverImpl::process_datatype_or_questionmark(const ParseNode &nod
c_expr->set_expr_obj_meta(question_mark_meta);
if (NULL == ctx_.external_param_info_) {
/*do nothing...*/
} else if (ctx_.is_for_dynamic_sql_ || ctx_.is_for_dbms_sql_) {
} else if (ctx_.is_for_dbms_sql_
|| (ctx_.is_for_dynamic_sql_ && OB_NOT_NULL(session_info->get_pl_context()))){
//NOTICE: only need to process PL dynamic sql and dbms sql
/*dynmaic and dbms sql already prepare question mark in parse stage.*/
bool need_save = true;
for (int64_t i = 0; OB_SUCC(ret) && i < ctx_.external_param_info_->count(); ++i) {
@ -2382,6 +2384,16 @@ int ObRawExprResolverImpl::process_datatype_or_questionmark(const ParseNode &nod
c_expr->set_accuracy(param.get_accuracy());
c_expr->set_result_flag(param.get_result_flag()); // not_null etc
c_expr->set_param(param);
sql::ObExprResType result_type = c_expr->get_result_type();
if (result_type.get_length() == -1) {
if (result_type.is_varchar() || result_type.is_nvarchar2()) {
result_type.set_length(OB_MAX_ORACLE_VARCHAR_LENGTH);
} else if (result_type.is_char() || result_type.is_nchar()) {
result_type.set_length(OB_MAX_ORACLE_CHAR_LENGTH_BYTE);
}
}
c_expr->set_result_type(result_type);
}
//execute阶段不需要统计prepare_param_count_的个数
// ctx_.prepare_param_count_++;