"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "src/dsql/pass1.cpp" between
Firebird-3.0.2.32703-0.tar.bz2 and Firebird-3.0.4.33054-0.tar.bz2

About: Firebird is a relational database offering many ANSI SQL standard features.

pass1.cpp  (Firebird-3.0.2.32703-0.tar.bz2)	:	pass1.cpp  (Firebird-3.0.4.33054-0.tar.bz2)
skipping to change at line 2676		skipping to change at line 2676
// columnname.		// columnname.
if ((aliasNode = ExprNode::as<Dsq lAliasNode>(select_item)))		if ((aliasNode = ExprNode::as<Dsq lAliasNode>(select_item)))
castNode->source = aliasN ode->value;		castNode->source = aliasN ode->value;
else if ((derivedField = ExprNode ::as<DerivedFieldNode>(select_item)))		else if ((derivedField = ExprNode ::as<DerivedFieldNode>(select_item)))
castNode->source = derive dField->value;		castNode->source = derive dField->value;
else		else
castNode->source = select _item;		castNode->source = select _item;
// When a cast is created we're l osing our fieldname, thus		// When a cast is created we're l osing our fieldname, thus
// create an alias to keep it.		// create an alias to keep it.
const ValueExprNode* name_node = select_item;		ValueExprNode* name_node = select _item;
const DsqlMapNode* mapNode;		const DsqlMapNode* mapNode;
while ((mapNode = ExprNode::as<Ds qlMapNode>(name_node)))		while ((mapNode = ExprNode::as<Ds qlMapNode>(name_node)))
{		{
// Skip all the DsqlMapNo des.		// Skip all the DsqlMapNo des.
name_node = mapNode->map- >map_node;		name_node = mapNode->map- >map_node;
}		}
const FieldNode* fieldNode;		const FieldNode* fieldNode;
if ((fieldNode = ExprNode::as<Fie ldNode>(name_node)))		if ((fieldNode = ExprNode::as<Fie ldNode>(name_node)))
{		{
// Create new node for al ias and copy fieldname.		// Create new node for al ias and copy fieldname.
newAliasNode = FB_NEW_POO L(*tdbb->getDefaultPool()) DsqlAliasNode(		newAliasNode = FB_NEW_POO L(*tdbb->getDefaultPool()) DsqlAliasNode(
*tdbb->getDefault Pool(), fieldNode->dsqlField->fld_name, NULL);		*tdbb->getDefault Pool(), fieldNode->dsqlField->fld_name, NULL);
// The alias value will b e assigned a bit later.		// The alias value will b e assigned a bit later.
}		}
		else if ((derivedField = ExprNode
		::as<DerivedFieldNode>(name_node)))
		{
		// Create new node for al
		ias and copy fieldname.
		newAliasNode = FB_NEW_POO
		L(*tdbb->getDefaultPool()) DsqlAliasNode(
		*tdbb->getDefault
		Pool(), derivedField->name, NULL);
		// The alias value will b
		e assigned a bit later.
		}
}		}
dsql_fld* field = castNode->dsqlField;		dsql_fld* field = castNode->dsqlField;
// Copy the descriptor to a field, becaus e the gen_cast		// Copy the descriptor to a field, becaus e the gen_cast
// uses a dsql field type.		// uses a dsql field type.
field->dtype = desc.dsc_dtype;		field->dtype = desc.dsc_dtype;
field->scale = desc.dsc_scale;		field->scale = desc.dsc_scale;
field->subType = desc.dsc_sub_type;		field->subType = desc.dsc_sub_type;
field->length = desc.dsc_length;		field->length = desc.dsc_length;
field->flags = (desc.dsc_flags & DSC_null able) ? FLD_nullable : 0;		field->flags = (desc.dsc_flags & DSC_null able) ? FLD_nullable : 0;
End of changes. 2 change blocks.
1 lines changed or deleted		13 lines changed or added

---