equalfuncs.c

PostgreSQL 8.1.4的源码 适用于Linux下的开源数据库系统

	COMPARE_NODE_FIELD(quals);
	COMPARE_NODE_FIELD(alias);
	COMPARE_SCALAR_FIELD(rtindex);

	return true;
}

static bool
_equalFromExpr(FromExpr *a, FromExpr *b)
{
	COMPARE_NODE_FIELD(fromlist);
	COMPARE_NODE_FIELD(quals);

	return true;
}


/*
 * Stuff from relation.h
 */

static bool
_equalPathKeyItem(PathKeyItem *a, PathKeyItem *b)
{
	COMPARE_NODE_FIELD(key);
	COMPARE_SCALAR_FIELD(sortop);

	return true;
}

static bool
_equalRestrictInfo(RestrictInfo *a, RestrictInfo *b)
{
	COMPARE_NODE_FIELD(clause);
	COMPARE_SCALAR_FIELD(is_pushed_down);
	COMPARE_SCALAR_FIELD(outerjoin_delayed);
	COMPARE_BITMAPSET_FIELD(required_relids);

	/*
	 * We ignore all the remaining fields, since they may not be set yet, and
	 * should be derivable from the clause anyway.
	 */

	return true;
}

static bool
_equalInClauseInfo(InClauseInfo *a, InClauseInfo *b)
{
	COMPARE_BITMAPSET_FIELD(lefthand);
	COMPARE_BITMAPSET_FIELD(righthand);
	COMPARE_NODE_FIELD(sub_targetlist);

	return true;
}


/*
 * Stuff from parsenodes.h
 */

static bool
_equalQuery(Query *a, Query *b)
{
	COMPARE_SCALAR_FIELD(commandType);
	COMPARE_SCALAR_FIELD(querySource);
	COMPARE_SCALAR_FIELD(canSetTag);
	COMPARE_NODE_FIELD(utilityStmt);
	COMPARE_SCALAR_FIELD(resultRelation);
	COMPARE_NODE_FIELD(into);
	COMPARE_SCALAR_FIELD(intoHasOids);
	COMPARE_SCALAR_FIELD(hasAggs);
	COMPARE_SCALAR_FIELD(hasSubLinks);
	COMPARE_NODE_FIELD(rtable);
	COMPARE_NODE_FIELD(jointree);
	COMPARE_NODE_FIELD(rowMarks);
	COMPARE_SCALAR_FIELD(forUpdate);
	COMPARE_SCALAR_FIELD(rowNoWait);
	COMPARE_NODE_FIELD(targetList);
	COMPARE_NODE_FIELD(groupClause);
	COMPARE_NODE_FIELD(havingQual);
	COMPARE_NODE_FIELD(distinctClause);
	COMPARE_NODE_FIELD(sortClause);
	COMPARE_NODE_FIELD(limitOffset);
	COMPARE_NODE_FIELD(limitCount);
	COMPARE_NODE_FIELD(setOperations);
	COMPARE_NODE_FIELD(resultRelations);

	return true;
}

static bool
_equalInsertStmt(InsertStmt *a, InsertStmt *b)
{
	COMPARE_NODE_FIELD(relation);
	COMPARE_NODE_FIELD(cols);
	COMPARE_NODE_FIELD(targetList);
	COMPARE_NODE_FIELD(selectStmt);

	return true;
}

static bool
_equalDeleteStmt(DeleteStmt *a, DeleteStmt *b)
{
	COMPARE_NODE_FIELD(relation);
	COMPARE_NODE_FIELD(whereClause);
	COMPARE_NODE_FIELD(usingClause);

	return true;
}

static bool
_equalUpdateStmt(UpdateStmt *a, UpdateStmt *b)
{
	COMPARE_NODE_FIELD(relation);
	COMPARE_NODE_FIELD(targetList);
	COMPARE_NODE_FIELD(whereClause);
	COMPARE_NODE_FIELD(fromClause);

	return true;
}

static bool
_equalSelectStmt(SelectStmt *a, SelectStmt *b)
{
	COMPARE_NODE_FIELD(distinctClause);
	COMPARE_NODE_FIELD(into);
	COMPARE_NODE_FIELD(intoColNames);
	COMPARE_SCALAR_FIELD(intoHasOids);
	COMPARE_NODE_FIELD(targetList);
	COMPARE_NODE_FIELD(fromClause);
	COMPARE_NODE_FIELD(whereClause);
	COMPARE_NODE_FIELD(groupClause);
	COMPARE_NODE_FIELD(havingClause);
	COMPARE_NODE_FIELD(sortClause);
	COMPARE_NODE_FIELD(limitOffset);
	COMPARE_NODE_FIELD(limitCount);
	COMPARE_NODE_FIELD(lockingClause);
	COMPARE_SCALAR_FIELD(op);
	COMPARE_SCALAR_FIELD(all);
	COMPARE_NODE_FIELD(larg);
	COMPARE_NODE_FIELD(rarg);

	return true;
}

static bool
_equalSetOperationStmt(SetOperationStmt *a, SetOperationStmt *b)
{
	COMPARE_SCALAR_FIELD(op);
	COMPARE_SCALAR_FIELD(all);
	COMPARE_NODE_FIELD(larg);
	COMPARE_NODE_FIELD(rarg);
	COMPARE_NODE_FIELD(colTypes);

	return true;
}

static bool
_equalAlterTableStmt(AlterTableStmt *a, AlterTableStmt *b)
{
	COMPARE_NODE_FIELD(relation);
	COMPARE_NODE_FIELD(cmds);
	COMPARE_SCALAR_FIELD(relkind);

	return true;
}

static bool
_equalAlterTableCmd(AlterTableCmd *a, AlterTableCmd *b)
{
	COMPARE_SCALAR_FIELD(subtype);
	COMPARE_STRING_FIELD(name);
	COMPARE_NODE_FIELD(def);
	COMPARE_NODE_FIELD(transform);
	COMPARE_SCALAR_FIELD(behavior);

	return true;
}

static bool
_equalAlterDomainStmt(AlterDomainStmt *a, AlterDomainStmt *b)
{
	COMPARE_SCALAR_FIELD(subtype);
	COMPARE_NODE_FIELD(typename);
	COMPARE_STRING_FIELD(name);
	COMPARE_NODE_FIELD(def);
	COMPARE_SCALAR_FIELD(behavior);

	return true;
}

static bool
_equalGrantStmt(GrantStmt *a, GrantStmt *b)
{
	COMPARE_SCALAR_FIELD(is_grant);
	COMPARE_SCALAR_FIELD(objtype);
	COMPARE_NODE_FIELD(objects);
	COMPARE_NODE_FIELD(privileges);
	COMPARE_NODE_FIELD(grantees);
	COMPARE_SCALAR_FIELD(grant_option);
	COMPARE_SCALAR_FIELD(behavior);

	return true;
}

static bool
_equalPrivGrantee(PrivGrantee *a, PrivGrantee *b)
{
	COMPARE_STRING_FIELD(rolname);

	return true;
}

static bool
_equalFuncWithArgs(FuncWithArgs *a, FuncWithArgs *b)
{
	COMPARE_NODE_FIELD(funcname);
	COMPARE_NODE_FIELD(funcargs);

	return true;
}

static bool
_equalGrantRoleStmt(GrantRoleStmt *a, GrantRoleStmt *b)
{
	COMPARE_NODE_FIELD(granted_roles);
	COMPARE_NODE_FIELD(grantee_roles);
	COMPARE_SCALAR_FIELD(is_grant);
	COMPARE_SCALAR_FIELD(admin_opt);
	COMPARE_STRING_FIELD(grantor);
	COMPARE_SCALAR_FIELD(behavior);

	return true;
}

static bool
_equalDeclareCursorStmt(DeclareCursorStmt *a, DeclareCursorStmt *b)
{
	COMPARE_STRING_FIELD(portalname);
	COMPARE_SCALAR_FIELD(options);
	COMPARE_NODE_FIELD(query);

	return true;
}

static bool
_equalClosePortalStmt(ClosePortalStmt *a, ClosePortalStmt *b)
{
	COMPARE_STRING_FIELD(portalname);

	return true;
}

static bool
_equalClusterStmt(ClusterStmt *a, ClusterStmt *b)
{
	COMPARE_NODE_FIELD(relation);
	COMPARE_STRING_FIELD(indexname);

	return true;
}

static bool
_equalCopyStmt(CopyStmt *a, CopyStmt *b)
{
	COMPARE_NODE_FIELD(relation);
	COMPARE_NODE_FIELD(attlist);
	COMPARE_SCALAR_FIELD(is_from);
	COMPARE_STRING_FIELD(filename);
	COMPARE_NODE_FIELD(options);

	return true;
}

static bool
_equalCreateStmt(CreateStmt *a, CreateStmt *b)
{
	COMPARE_NODE_FIELD(relation);
	COMPARE_NODE_FIELD(tableElts);
	COMPARE_NODE_FIELD(inhRelations);
	COMPARE_NODE_FIELD(constraints);
	COMPARE_SCALAR_FIELD(hasoids);
	COMPARE_SCALAR_FIELD(oncommit);
	COMPARE_STRING_FIELD(tablespacename);

	return true;
}

static bool
_equalInhRelation(InhRelation *a, InhRelation *b)
{
	COMPARE_NODE_FIELD(relation);
	COMPARE_SCALAR_FIELD(including_defaults);

	return true;
}

static bool
_equalDefineStmt(DefineStmt *a, DefineStmt *b)
{
	COMPARE_SCALAR_FIELD(kind);
	COMPARE_NODE_FIELD(defnames);
	COMPARE_NODE_FIELD(definition);

	return true;
}

static bool
_equalDropStmt(DropStmt *a, DropStmt *b)
{
	COMPARE_NODE_FIELD(objects);
	COMPARE_SCALAR_FIELD(removeType);
	COMPARE_SCALAR_FIELD(behavior);

	return true;
}

static bool
_equalTruncateStmt(TruncateStmt *a, TruncateStmt *b)
{
	COMPARE_NODE_FIELD(relations);

	return true;
}

static bool
_equalCommentStmt(CommentStmt *a, CommentStmt *b)
{
	COMPARE_SCALAR_FIELD(objtype);
	COMPARE_NODE_FIELD(objname);
	COMPARE_NODE_FIELD(objargs);
	COMPARE_STRING_FIELD(comment);

	return true;
}

static bool
_equalFetchStmt(FetchStmt *a, FetchStmt *b)
{
	COMPARE_SCALAR_FIELD(direction);
	COMPARE_SCALAR_FIELD(howMany);
	COMPARE_STRING_FIELD(portalname);
	COMPARE_SCALAR_FIELD(ismove);

	return true;
}

static bool
_equalIndexStmt(IndexStmt *a, IndexStmt *b)
{
	COMPARE_STRING_FIELD(idxname);
	COMPARE_NODE_FIELD(relation);
	COMPARE_STRING_FIELD(accessMethod);
	COMPARE_STRING_FIELD(tableSpace);
	COMPARE_NODE_FIELD(indexParams);
	COMPARE_NODE_FIELD(whereClause);
	COMPARE_NODE_FIELD(rangetable);
	COMPARE_SCALAR_FIELD(unique);
	COMPARE_SCALAR_FIELD(primary);
	COMPARE_SCALAR_FIELD(isconstraint);

	return true;
}

static bool
_equalCreateFunctionStmt(CreateFunctionStmt *a, CreateFunctionStmt *b)
{
	COMPARE_SCALAR_FIELD(replace);
	COMPARE_NODE_FIELD(funcname);
	COMPARE_NODE_FIELD(parameters);
	COMPARE_NODE_FIELD(returnType);
	COMPARE_NODE_FIELD(options);
	COMPARE_NODE_FIELD(withClause);

	return true;
}

static bool
_equalFunctionParameter(FunctionParameter *a, FunctionParameter *b)
{
	COMPARE_STRING_FIELD(name);
	COMPARE_NODE_FIELD(argType);
	COMPARE_SCALAR_FIELD(mode);

	return true;
}

static bool
_equalAlterFunctionStmt(AlterFunctionStmt *a, AlterFunctionStmt *b)
{
	COMPARE_NODE_FIELD(func);
	COMPARE_NODE_FIELD(actions);

	return true;
}

static bool
_equalRemoveAggrStmt(RemoveAggrStmt *a, RemoveAggrStmt *b)
{
	COMPARE_NODE_FIELD(aggname);
	COMPARE_NODE_FIELD(aggtype);
	COMPARE_SCALAR_FIELD(behavior);

	return true;
}

static bool
_equalRemoveFuncStmt(RemoveFuncStmt *a, RemoveFuncStmt *b)
{
	COMPARE_NODE_FIELD(funcname);
	COMPARE_NODE_FIELD(args);
	COMPARE_SCALAR_FIELD(behavior);

	return true;
}

static bool
_equalRemoveOperStmt(RemoveOperStmt *a, RemoveOperStmt *b)
{
	COMPARE_NODE_FIELD(opname);
	COMPARE_NODE_FIELD(args);
	COMPARE_SCALAR_FIELD(behavior);

	return true;
}

static bool
_equalRemoveOpClassStmt(RemoveOpClassStmt *a, RemoveOpClassStmt *b)
{
	COMPARE_NODE_FIELD(opclassname);
	COMPARE_STRING_FIELD(amname);
	COMPARE_SCALAR_FIELD(behavior);

	return true;
}

static bool
_equalRenameStmt(RenameStmt *a, RenameStmt *b)
{
	COMPARE_SCALAR_FIELD(renameType);
	COMPARE_NODE_FIELD(relation);
	COMPARE_NODE_FIELD(object);
	COMPARE_NODE_FIELD(objarg);
	COMPARE_STRING_FIELD(subname);
	COMPARE_STRING_FIELD(newname);

	return true;
}

static bool
_equalAlterObjectSchemaStmt(AlterObjectSchemaStmt *a, AlterObjectSchemaStmt *b)
{
	COMPARE_SCALAR_FIELD(objectType);
	COMPARE_NODE_FIELD(relation);
	COMPARE_NODE_FIELD(object);
	COMPARE_NODE_FIELD(objarg);
	COMPARE_STRING_FIELD(addname);
	COMPARE_STRING_FIELD(newschema);

	return true;
}

static bool
_equalAlterOwnerStmt(AlterOwnerStmt *a, AlterOwnerStmt *b)
{
	COMPARE_SCALAR_FIELD(objectType);
	COMPARE_NODE_FIELD(relation);
	COMPARE_NODE_FIELD(object);
	COMPARE_NODE_FIELD(objarg);
	COMPARE_STRING_FIELD(addname);
	COMPARE_STRING_FIELD(newowner);

	return true;
}

static bool
_equalRuleStmt(RuleStmt *a, RuleStmt *b)
{
	COMPARE_NODE_FIELD(relation);
	COMPARE_STRING_FIELD(rulename);
	COMPARE_NODE_FIELD(whereClause);
	COMPARE_SCALAR_FIELD(event);
	COMPARE_SCALAR_FIELD(instead);
	COMPARE_NODE_FIELD(actions);
	COMPARE_SCALAR_FIELD(replace);

	return true;
}

static bool
_equalNotifyStmt(NotifyStmt *a, NotifyStmt *b)
{
	COMPARE_NODE_FIELD(relation);

	return true;
}

static bool
_equalListenStmt(ListenStmt *a, ListenStmt *b)
{
	COMPARE_NODE_FIELD(relation);

	return true;
}

static bool
_equalUnlistenStmt(UnlistenStmt *a, UnlistenStmt *b)
{
	COMPARE_NODE_FIELD(relation);

	return true;
}

static bool
_equalTransactionStmt(TransactionStmt *a, TransactionStmt *b)
{
	COMPARE_SCALAR_FIELD(kind);
	COMPARE_NODE_FIELD(options);
	COMPARE_STRING_FIELD(gid);

	return true;
}

static bool
_equalCompositeTypeStmt(CompositeTypeStmt *a, CompositeTypeStmt *b)
{
	COMPARE_NODE_FIELD(typevar);
	COMPARE_NODE_FIELD(coldeflist);

	return true;
}

static bool
_equalViewStmt(ViewStmt *a, ViewStmt *b)
{
	COMPARE_NODE_FIELD(view);
	COMPARE_NODE_FIELD(aliases);
	COMPARE_NODE_FIELD(query);
	COMPARE_SCALAR_FIELD(replace);

	return true;
}

static bool
_equalLoadStmt(LoadStmt *a, LoadStmt *b)
{
	COMPARE_STRING_FIELD(filename);

	return true;
}

static bool
_equalCreateDomainStmt(CreateDomainStmt *a, CreateDomainStmt *b)
{
	COMPARE_NODE_FIELD(domainname);
	COMPARE_NODE_FIELD(typename);
	COMPARE_NODE_FIELD(constraints);

	return true;
}

static bool
_equalCreateOpClassStmt(CreateOpClassStmt *a, CreateOpClassStmt *b)
{
	COMPARE_NODE_FIELD(opclassname);
	COMPARE_STRING_FIELD(amname);
	COMPARE_NODE_FIELD(datatype);