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[FEAT MERGE] Lob SQL refactoring (Mem-LobLocator, expressions and dbms_lob adaptions)

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Co-authored-by: chaser-ch <chaser.ch@antgroup.com>
This commit is contained in:
obdev
2023-01-28 20:40:15 +08:00
committed by ob-robot
parent 4bb1033505
commit 3d4f554258
350 changed files with 19091 additions and 3918 deletions
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5
src/sql/optimizer/ob_optimizer_util.cpp
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@ -6119,8 +6119,9 @@ int ObOptimizerUtil::try_add_cast_to_set_child_list(ObIAllocator *allocator,
&& ob_is_oracle_numeric_type(right_type.get_type()))
|| (ob_is_oracle_temporal_type(left_type.get_type())
&& (ob_is_oracle_temporal_type(right_type.get_type())))
|| (left_type.is_urowid() && right_type.is_urowid())
|| (left_type.is_lob() && right_type.is_lob() && !is_distinct))) {
|| (left_type.is_urowid() && right_type.is_urowid()))) {
// || (left_type.is_lob() && right_type.is_lob() && !is_distinct))) {
// Originally, cases like "select clob from t union all select blob from t" return error
if (session_info->is_ps_prepare_stage()) {
skip_add_cast = true;
LOG_WARN("ps prepare stage expression has different datatype", K(i), K(left_type), K(right_type));