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[FEAT MERGE] Functional_index

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This commit is contained in:
obdev
2023-04-27 11:11:23 +00:00
committed by ob-robot
parent a52d8673b2
commit c5756c1799
370 changed files with 1728 additions and 821 deletions
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79
src/sql/resolver/expr/ob_raw_expr_util.cpp
View File

@ -1972,6 +1972,20 @@ int ObRawExprUtils::build_generated_column_expr(const obrpc::ObCreateIndexArg *a
if (OB_SUCC(ret)) {
OZ (expr->formalize(&session_info));
}
if (OB_SUCC(ret) &&
(ObResolverUtils::CHECK_FOR_FUNCTION_INDEX == check_status ||
ObResolverUtils::CHECK_FOR_GENERATED_COLUMN == check_status)) {
if (OB_FAIL(check_is_valid_generated_col(expr, expr_factory.get_allocator()))) {
if (OB_ERR_ONLY_PURE_FUNC_CANBE_VIRTUAL_COLUMN_EXPRESSION == ret
&& ObResolverUtils::CHECK_FOR_FUNCTION_INDEX == check_status) {
ret = OB_ERR_ONLY_PURE_FUNC_CANBE_INDEXED;
LOG_WARN("sysfunc in expr is not valid for generated column", K(ret), K(*expr));
} else {
LOG_WARN("fail to check if the sysfunc exprs are valid in generated columns", K(ret));
}
}
}
}
return ret;
}
@ -2427,7 +2441,9 @@ int ObRawExprUtils::try_add_nls_fmt_in_to_char_expr(const ObSQLSessionInfo &sess
|| ObTimestampLTZType == data_type
|| ObTimestampNanoType == data_type
|| ObTimestampType == data_type
|| ObDateTimeType == data_type) {
|| ObDateTimeType == data_type
|| ObIntervalYMType == data_type
|| ObIntervalDSType == data_type) {
need_add_nls_fmt = true;
}
}
@ -3736,7 +3752,30 @@ int ObRawExprUtils::create_concat_expr(ObRawExprFactory &expr_factory,
OB_FAIL(out_expr->add_param_expr(second_expr))) {
LOG_WARN("add param expr failed", K(ret));
}
if (OB_SUCC(ret) && OB_FAIL(out_expr->formalize(session_info))) {
LOG_WARN("formalize to_type expr failed", K(ret));
}
return ret;
}
int ObRawExprUtils::create_prefix_pattern_expr(ObRawExprFactory &expr_factory,
ObSQLSessionInfo *session_info,
ObRawExpr *first_expr,
ObRawExpr *second_expr,
ObRawExpr *third_expr,
ObSysFunRawExpr *&out_expr)
{
int ret = OB_SUCCESS;
if (OB_FAIL(expr_factory.create_raw_expr(T_FUN_SYS_PREFIX_PATTERN, out_expr))) {
LOG_WARN("create to_type expr failed", K(ret));
} else if (OB_ISNULL(out_expr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("to_type is null");
} else if (OB_FAIL(out_expr->set_param_exprs(first_expr, second_expr, third_expr))) {
LOG_WARN("add param expr failed", K(ret));
} else {
out_expr->set_func_name(N_PREFIX_PATTERN);
}
if (OB_SUCC(ret) && OB_FAIL(out_expr->formalize(session_info))) {
LOG_WARN("formalize to_type expr failed", K(ret));
}
@ -7888,5 +7927,43 @@ int ObRawExprUtils::check_contain_case_when_exprs(const ObRawExpr *raw_expr, boo
return ret;
}
int ObRawExprUtils::check_is_valid_generated_col(ObRawExpr *expr, ObIAllocator &allocator) {
int ret = OB_SUCCESS;
ObList<ObRawExpr *, ObIAllocator> expr_queue(allocator);
ObRawExpr *cur_expr = NULL;
if (OB_ISNULL(expr)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("expr is invalid null", K(ret));
} else if (OB_FAIL(expr_queue.push_back(expr))) {
LOG_WARN("fail to push back expr", K(ret));
} else {
while (OB_SUCC(ret) && expr_queue.size() > 0) {
if (OB_FAIL(expr_queue.pop_front(cur_expr))) {
LOG_WARN("fail to pop expr", K(ret));
} else if (cur_expr->is_sys_func_expr()) {
ObSysFunRawExpr *sys_expr = static_cast<ObSysFunRawExpr *>(cur_expr);
const ObExprOperator *op = sys_expr->get_op();
bool is_valid = false;
if (OB_ISNULL(op)) {
ret = OB_ERR_UNEXPECTED;
LOG_WARN("operator is unexpected null", K(ret));
} else if (OB_FAIL(op->is_valid_for_generated_column(sys_expr, sys_expr->get_param_exprs(), is_valid))) {
LOG_WARN("fail to check if op is valid for generated column", K(ret));
} else if (!is_valid) {
ret = OB_ERR_ONLY_PURE_FUNC_CANBE_VIRTUAL_COLUMN_EXPRESSION;
LOG_WARN("sysfunc in expr is not valid for generated column", K(ret), K(*cur_expr));
}
}
if (OB_SUCC(ret)) {
for (int64_t i = 0; OB_SUCC(ret) && i < cur_expr->get_param_count(); ++i) {
if (OB_FAIL(expr_queue.push_back(cur_expr->get_param_expr(i)))) {
LOG_WARN("fail to push back expr", K(ret));
}
}
}
}
}
return ret;
}
}
}

8
src/sql/resolver/expr/ob_raw_expr_util.h
View File

@ -482,6 +482,12 @@ public:
ObRawExpr *first_expr,
ObRawExpr *second_expr,
ObOpRawExpr *&out_expr);
static int create_prefix_pattern_expr(ObRawExprFactory &expr_factory,
ObSQLSessionInfo *session_info,
ObRawExpr *first_expr,
ObRawExpr *second_expr,
ObRawExpr *third_expr,
ObSysFunRawExpr *&out_expr);
static int create_type_to_str_expr(ObRawExprFactory &expr_factory,
ObRawExpr *src_expr,
ObSysFunRawExpr *&out_expr,
@ -1078,6 +1084,8 @@ public:
const ObExprResType &dst_type,
bool avoid_zero_len = false);
static int check_is_valid_generated_col(ObRawExpr *expr, ObIAllocator &allocator);
private :
static int create_real_cast_expr(ObRawExprFactory &expr_factory,