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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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12
src/sql/engine/expr/ob_expr_lengthb.cpp
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@ -80,7 +80,7 @@ int ObExprLengthb::calc(ObObj &result, const ObObj &text, ObExprCtx &expr_ctx)
} else {
ObString m_text = text.get_string();
number::ObNumber num;
if(OB_FAIL(num.from(static_cast<int64_t>(m_text.length()), *(expr_ctx.calc_buf_)))) {
if (OB_FAIL(num.from(static_cast<int64_t>(m_text.length()), *(expr_ctx.calc_buf_)))) {
LOG_WARN("copy number fail", K(ret));
} else {
result.set_number(num);
@ -104,9 +104,17 @@ int ObExprLengthb::calc_lengthb_expr(const ObExpr &expr, ObEvalCtx &ctx, ObDatum
} else if (arg0->is_null() || !ob_is_castable_type_class(type_class)) {
res_datum.set_null();
} else {
int64_t byte_len = static_cast<int64_t>(arg0->len_);
if (ob_is_text_tc(expr.args_[0]->datum_meta_.type_)) {
ObLobLocatorV2 locator(arg0->get_string(), expr.args_[0]->obj_meta_.has_lob_header());
if (OB_FAIL(locator.get_lob_data_byte_len(byte_len))) {
LOG_WARN("get lob data byte length failed", K(ret));
}
}
number::ObNumber num;
ObNumStackOnceAlloc tmp_alloc;
if(OB_FAIL(num.from(static_cast<int64_t>(arg0->len_), tmp_alloc))) {
if (OB_FAIL(ret)) {
} else if (OB_FAIL(num.from(byte_len, tmp_alloc))) {
LOG_WARN("copy number fail", K(ret));
} else {
res_datum.set_number(num);