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[FEAT MERGE] 4.1 PL/SQL enhence & development

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obdev
2023-01-09 08:47:31 +00:00
committed by ob-robot
parent 322032b9ca
commit 08802d94f6
98 changed files with 5260 additions and 2676 deletions
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41
src/sql/resolver/expr/ob_raw_expr_resolver_impl.cpp
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@ -2346,12 +2346,22 @@ int ObRawExprResolverImpl::process_datatype_or_questionmark(const ParseNode &nod
OX (ctx_.prepare_param_count_++);
}
} else {
/*
* 走到这里有三种情况：
* 1、PL里的sql语句，形如select * from t where a1=:a and a2=b，其中b是PL local变量
* 2、普通ps过来的sql语句，形如select * from t where a1=:a and a2=1
* */
//prepare stmt不需要type，只需要计算?的个数
if (OB_SUCC(ret) && nullptr != ctx_.secondary_namespace_) {
const pl::ObPLSymbolTable* symbol_table = NULL;
const pl::ObPLVar* var = NULL;
CK (OB_NOT_NULL(symbol_table = ctx_.secondary_namespace_->get_symbol_table()));
CK (OB_NOT_NULL(var = symbol_table->get_symbol(val.get_unknown())));
if (OB_SUCC(ret)) {
if (0 == var->get_name().case_compare(pl::ObPLResolver::ANONYMOUS_ARG)) {
CK (OB_NOT_NULL(var->get_type().get_meta_type()));
CK (OB_NOT_NULL(var->get_type().get_data_type()));
OX (c_expr->set_meta_type(*var->get_type().get_meta_type()));
OX (c_expr->set_expr_obj_meta(*var->get_type().get_meta_type()));
OX (c_expr->set_accuracy(var->get_type().get_data_type()->get_accuracy()));
}
}
}
ObRawExpr *original_expr = c_expr;
OZ (ObResolverUtils::resolve_external_param_info(*ctx_.external_param_info_,
ctx_.expr_factory_,
@ -3339,6 +3349,17 @@ int ObRawExprResolverImpl::process_like_node(const ParseNode *node, ObRawExpr *&
if (OB_ISNULL(ctx_.param_list_)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("param_list_ is null", K(ret), K(ctx_.param_list_));
} else if (ctx_.param_list_->empty() && nullptr != ctx_.secondary_namespace_) {
const pl::ObPLSymbolTable* symbol_table = NULL;
const pl::ObPLVar* var = NULL;
CK (OB_NOT_NULL(symbol_table = ctx_.secondary_namespace_->get_symbol_table()));
CK (OB_NOT_NULL(var = symbol_table->get_symbol(escape_node->value_)));
if (0 == var->get_name().case_compare(pl::ObPLResolver::ANONYMOUS_ARG) &&
NULL != var->get_pl_data_type().get_data_type() &&
ObNullType == var->get_pl_data_type().get_data_type()->get_obj_type()) {
ret = OB_ERR_INVALID_ESCAPE_CHAR_LENGTH;
LOG_WARN("invalid escape char length, expect 1, get 0", K(ret));
}
} else if (escape_node->value_ < 0 || escape_node->value_ >= ctx_.param_list_->count()) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("index is out of range", K(escape_node->value_), K(ctx_.param_list_->count()));
@ -3607,6 +3628,10 @@ int ObRawExprResolverImpl::process_case_node(const ParseNode *node, ObRawExpr *&
LOG_WARN("Add when expression failed", K(ret));
} else if (OB_FAIL(case_expr->add_then_param_expr(then_expr))) {
LOG_WARN("Add then expression failed", K(ret));
} else if(T_QUESTIONMARK == then_expr->get_expr_type()) {
if (then_expr->get_result_meta().get_type() != ObNullType) {
all_then_null = false;
}
} else if (then_expr->get_expr_type() != T_NULL) {
all_then_null = false;
}
@ -3632,7 +3657,11 @@ int ObRawExprResolverImpl::process_case_node(const ParseNode *node, ObRawExpr *&
LOG_WARN("fail to recursive resolve", K(ret), K(node->children_[2]));
}
if (OB_SUCC(ret)){
if (default_expr->get_expr_type() != T_NULL) {
if (T_QUESTIONMARK == default_expr->get_expr_type()) {
if (default_expr->get_result_meta().get_type() != ObNullType) {
all_then_null = false;
}
} else if (default_expr->get_expr_type() != T_NULL) {
all_then_null = false;
}
case_expr->set_default_param_expr(default_expr);