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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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4
src/sql/engine/expr/ob_expr_assign.cpp
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@ -103,6 +103,10 @@ int calc_assign_expr(const ObExpr &expr, ObEvalCtx &ctx, ObDatum &res_datum)
obj_meta.set_scale(expr.datum_meta_.scale_);
obj_meta.set_collation_type(expr.datum_meta_.cs_type_);
obj_meta.set_collation_level(common::CS_LEVEL_IMPLICIT);
if (expr.args_[1]->obj_meta_.has_lob_header()) {
// use temp meta to session var，ensure flag in expr.args_[1](val_res) copy to dest
obj_meta.set_has_lob_header();
}
if (OB_FAIL(val_res->to_obj(obj, obj_meta))) {
LOG_WARN("to_obj failed", K(ret), K(expr), K(obj_meta));
}