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[FEAT MERGE] 4.2 add trans_debug_info for 4377

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Co-authored-by: Handora <qcdsr970209@gmail.com>
This commit is contained in:
yishenglanlingzui
2023-05-06 06:08:35 +00:00
committed by ob-robot
parent 711f4d5cd0
commit 9e328378c8
63 changed files with 1013 additions and 169 deletions
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33
src/sql/optimizer/ob_optimizer_util.cpp
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@ -8636,3 +8636,36 @@ int ObOptimizerUtil::truncate_string_for_opt_stats(const ObObj *old_obj,
LOG_TRACE("Succeed to truncate string obj for opt stats", KPC(old_obj), KPC(new_obj), K(is_truncated));
return ret;
}
int ObOptimizerUtil::generate_pseudo_trans_info_expr(ObOptimizerContext &opt_ctx,
const common::ObString &table_name,
ObOpPseudoColumnRawExpr *&expr)
{
int ret = OB_SUCCESS;
ObExprResType res_type;
char *pseudo_name = nullptr;
res_type.set_type(ObVarcharType);
res_type.set_collation_type(CS_TYPE_BINARY);
res_type.set_accuracy(ObAccuracy::MAX_ACCURACY[ObVarcharType]);
const char *name = ".TRANS_DEBUG_INFO";
int64_t buf_len = table_name.length()+ STRLEN(name) + 1;
int64_t pos = 0;
if (OB_ISNULL(pseudo_name =
static_cast<char*>(opt_ctx.get_allocator().alloc(buf_len)))) {
ret = OB_ALLOCATE_MEMORY_FAILED;
LOG_WARN("allocate name buffer failed", K(ret), K(buf_len));
} else if (OB_FAIL(databuff_printf(pseudo_name, buf_len, pos, "%.*s", table_name.length(), table_name.ptr()))) {
LOG_WARN("databuff print column name failed", K(ret));
} else if (OB_FAIL(databuff_printf(pseudo_name, buf_len, pos, "%.*s", static_cast<int32_t>(STRLEN(name)), name))) {
LOG_WARN("databuff print column name failed", K(ret));
} else if (OB_FAIL(ObRawExprUtils::build_op_pseudo_column_expr(opt_ctx.get_expr_factory(),
T_PSEUDO_ROW_TRANS_INFO_COLUMN,
pseudo_name,
res_type,
expr))) {
LOG_WARN("build operator pseudo column failed", K(ret));
} else if (OB_FAIL(expr->formalize(opt_ctx.get_session_info()))) {
LOG_WARN("expr formalize failed", K(ret));
}
return ret;
}