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Parsing numeric constant as ObDecimalIntType in oracle compatible mode

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This commit is contained in:
obdev
2024-02-07 04:13:49 +00:00
committed by ob-robot
parent da70d2c14f
commit ae90c30120
28 changed files with 659 additions and 66 deletions
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38
src/sql/resolver/expr/ob_raw_expr_resolver_impl.cpp
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@ -158,19 +158,39 @@ int ObRawExprResolverImpl::try_negate_const(ObRawExpr *&expr,
break;
}
case T_NUMBER: {
number::ObNumber val;
number::ObNumber negative_val;
if (is_odd && OB_SUCC(const_expr->get_value().get_number(val))
&& OB_SUCC(val.negate(negative_val, ctx_.expr_factory_.get_allocator()))) {
ObObj new_val;
new_val.set_number(negative_val);
new_val.set_scale(const_expr->get_accuracy().get_scale());
bool negated = false;
ObObj new_val;
if (const_expr->get_value().is_decimal_int()) {
ObDecimalInt *neg_dec = nullptr;
if (is_odd
&& OB_FAIL(wide::negate(const_expr->get_value().get_decimal_int(),
const_expr->get_value().get_int_bytes(), neg_dec,
ctx_.expr_factory_.get_allocator()))) {
LOG_WARN("negate decimal int failed", K(ret));
} else {
new_val.set_decimal_int(const_expr->get_value().get_int_bytes(),
const_expr->get_value().get_scale(), neg_dec);
negated = true;
}
} else {
number::ObNumber val;
number::ObNumber negative_val;
if (is_odd && OB_SUCC(const_expr->get_value().get_number(val))
&& OB_SUCC(val.negate(negative_val, ctx_.expr_factory_.get_allocator()))) {
new_val.set_number(negative_val);
new_val.set_scale(const_expr->get_accuracy().get_scale());
negated = true;
}
}
if (OB_SUCC(ret) && negated) {
const_expr->set_expr_type(T_NUMBER);
const_expr->set_value(new_val);
if (lib::is_oracle_mode()) {
const_expr->set_precision(static_cast<ObPrecision>(const_expr->get_accuracy().get_precision()));
const_expr->set_precision(
static_cast<ObPrecision>(const_expr->get_accuracy().get_precision()));
} else {
const_expr->set_precision(static_cast<ObPrecision>(const_expr->get_accuracy().get_precision() + 1));
const_expr->set_precision(
static_cast<ObPrecision>(const_expr->get_accuracy().get_precision() + 1));
}
}
break;