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(items);
	COMPARE_SCALAR_FIELD(isDefault);

	return true;
}

static bool
_equalCreateOpClassItem(CreateOpClassItem *a, CreateOpClassItem *b)
{
	COMPARE_SCALAR_FIELD(itemtype);
	COMPARE_NODE_FIELD(name);
	COMPARE_NODE_FIELD(args);
	COMPARE_SCALAR_FIELD(number);
	COMPARE_SCALAR_FIELD(recheck);
	COMPARE_NODE_FIELD(storedtype);

	return true;
}

static bool
_equalCreatedbStmt(CreatedbStmt *a, CreatedbStmt *b)
{
	COMPARE_STRING_FIELD(dbname);
	COMPARE_NODE_FIELD(options);

	return true;
}

static bool
_equalAlterDatabaseStmt(AlterDatabaseStmt *a, AlterDatabaseStmt *b)
{
	COMPARE_STRING_FIELD(dbname);
	COMPARE_NODE_FIELD(options);

	return true;
}

static bool
_equalAlterDatabaseSetStmt(AlterDatabaseSetStmt *a, AlterDatabaseSetStmt *b)
{
	COMPARE_STRING_FIELD(dbname);
	COMPARE_STRING_FIELD(variable);
	COMPARE_NODE_FIELD(value);

	return true;
}

static bool
_equalDropdbStmt(DropdbStmt *a, DropdbStmt *b)
{
	COMPARE_STRING_FIELD(dbname);

	return true;
}

static bool
_equalVacuumStmt(VacuumStmt *a, VacuumStmt *b)
{
	COMPARE_SCALAR_FIELD(vacuum);
	COMPARE_SCALAR_FIELD(full);
	COMPARE_SCALAR_FIELD(analyze);
	COMPARE_SCALAR_FIELD(freeze);
	COMPARE_SCALAR_FIELD(verbose);
	COMPARE_NODE_FIELD(relation);
	COMPARE_NODE_FIELD(va_cols);

	return true;
}

static bool
_equalExplainStmt(ExplainStmt *a, ExplainStmt *b)
{
	COMPARE_NODE_FIELD(query);
	COMPARE_SCALAR_FIELD(verbose);
	COMPARE_SCALAR_FIELD(analyze);

	return true;
}

static bool
_equalCreateSeqStmt(CreateSeqStmt *a, CreateSeqStmt *b)
{
	COMPARE_NODE_FIELD(sequence);
	COMPARE_NODE_FIELD(options);

	return true;
}

static bool
_equalAlterSeqStmt(AlterSeqStmt *a, AlterSeqStmt *b)
{
	COMPARE_NODE_FIELD(sequence);
	COMPARE_NODE_FIELD(options);

	return true;
}

static bool
_equalVariableSetStmt(VariableSetStmt *a, VariableSetStmt *b)
{
	COMPARE_STRING_FIELD(name);
	COMPARE_NODE_FIELD(args);
	COMPARE_SCALAR_FIELD(is_local);

	return true;
}

static bool
_equalVariableShowStmt(VariableShowStmt *a, VariableShowStmt *b)
{
	COMPARE_STRING_FIELD(name);

	return true;
}

static bool
_equalVariableResetStmt(VariableResetStmt *a, VariableResetStmt *b)
{
	COMPARE_STRING_FIELD(name);

	return true;
}

static bool
_equalCreateTableSpaceStmt(CreateTableSpaceStmt *a, CreateTableSpaceStmt *b)
{
	COMPARE_STRING_FIELD(tablespacename);
	COMPARE_STRING_FIELD(owner);
	COMPARE_STRING_FIELD(location);

	return true;
}

static bool
_equalDropTableSpaceStmt(DropTableSpaceStmt *a, DropTableSpaceStmt *b)
{
	COMPARE_STRING_FIELD(tablespacename);

	return true;
}

static bool
_equalCreateTrigStmt(CreateTrigStmt *a, CreateTrigStmt *b)
{
	COMPARE_STRING_FIELD(trigname);
	COMPARE_NODE_FIELD(relation);
	COMPARE_NODE_FIELD(funcname);
	COMPARE_NODE_FIELD(args);
	COMPARE_SCALAR_FIELD(before);
	COMPARE_SCALAR_FIELD(row);
	if (strcmp(a->actions, b->actions) != 0)	/* in-line string field */
		return false;
	COMPARE_SCALAR_FIELD(isconstraint);
	COMPARE_SCALAR_FIELD(deferrable);
	COMPARE_SCALAR_FIELD(initdeferred);
	COMPARE_NODE_FIELD(constrrel);

	return true;
}

static bool
_equalDropPropertyStmt(DropPropertyStmt *a, DropPropertyStmt *b)
{
	COMPARE_NODE_FIELD(relation);
	COMPARE_STRING_FIELD(property);
	COMPARE_SCALAR_FIELD(removeType);
	COMPARE_SCALAR_FIELD(behavior);

	return true;
}

static bool
_equalCreatePLangStmt(CreatePLangStmt *a, CreatePLangStmt *b)
{
	COMPARE_STRING_FIELD(plname);
	COMPARE_NODE_FIELD(plhandler);
	COMPARE_NODE_FIELD(plvalidator);
	COMPARE_SCALAR_FIELD(pltrusted);

	return true;
}

static bool
_equalDropPLangStmt(DropPLangStmt *a, DropPLangStmt *b)
{
	COMPARE_STRING_FIELD(plname);
	COMPARE_SCALAR_FIELD(behavior);

	return true;
}

static bool
_equalCreateRoleStmt(CreateRoleStmt *a, CreateRoleStmt *b)
{
	COMPARE_SCALAR_FIELD(stmt_type);
	COMPARE_STRING_FIELD(role);
	COMPARE_NODE_FIELD(options);

	return true;
}

static bool
_equalAlterRoleStmt(AlterRoleStmt *a, AlterRoleStmt *b)
{
	COMPARE_STRING_FIELD(role);
	COMPARE_NODE_FIELD(options);
	COMPARE_SCALAR_FIELD(action);

	return true;
}

static bool
_equalAlterRoleSetStmt(AlterRoleSetStmt *a, AlterRoleSetStmt *b)
{
	COMPARE_STRING_FIELD(role);
	COMPARE_STRING_FIELD(variable);
	COMPARE_NODE_FIELD(value);

	return true;
}

static bool
_equalDropRoleStmt(DropRoleStmt *a, DropRoleStmt *b)
{
	COMPARE_NODE_FIELD(roles);

	return true;
}

static bool
_equalLockStmt(LockStmt *a, LockStmt *b)
{
	COMPARE_NODE_FIELD(relations);
	COMPARE_SCALAR_FIELD(mode);
	COMPARE_SCALAR_FIELD(nowait);

	return true;
}

static bool
_equalConstraintsSetStmt(ConstraintsSetStmt *a, ConstraintsSetStmt *b)
{
	COMPARE_NODE_FIELD(constraints);
	COMPARE_SCALAR_FIELD(deferred);

	return true;
}

static bool
_equalReindexStmt(ReindexStmt *a, ReindexStmt *b)
{
	COMPARE_SCALAR_FIELD(kind);
	COMPARE_NODE_FIELD(relation);
	COMPARE_STRING_FIELD(name);
	COMPARE_SCALAR_FIELD(do_system);
	COMPARE_SCALAR_FIELD(do_user);

	return true;
}

static bool
_equalCreateSchemaStmt(CreateSchemaStmt *a, CreateSchemaStmt *b)
{
	COMPARE_STRING_FIELD(schemaname);
	COMPARE_STRING_FIELD(authid);
	COMPARE_NODE_FIELD(schemaElts);

	return true;
}

static bool
_equalCreateConversionStmt(CreateConversionStmt *a, CreateConversionStmt *b)
{
	COMPARE_NODE_FIELD(conversion_name);
	COMPARE_STRING_FIELD(for_encoding_name);
	COMPARE_STRING_FIELD(to_encoding_name);
	COMPARE_NODE_FIELD(func_name);
	COMPARE_SCALAR_FIELD(def);

	return true;
}

static bool
_equalCreateCastStmt(CreateCastStmt *a, CreateCastStmt *b)
{
	COMPARE_NODE_FIELD(sourcetype);
	COMPARE_NODE_FIELD(targettype);
	COMPARE_NODE_FIELD(func);
	COMPARE_SCALAR_FIELD(context);

	return true;
}

static bool
_equalDropCastStmt(DropCastStmt *a, DropCastStmt *b)
{
	COMPARE_NODE_FIELD(sourcetype);
	COMPARE_NODE_FIELD(targettype);
	COMPARE_SCALAR_FIELD(behavior);

	return true;
}

static bool
_equalPrepareStmt(PrepareStmt *a, PrepareStmt *b)
{
	COMPARE_STRING_FIELD(name);
	COMPARE_NODE_FIELD(argtypes);
	COMPARE_NODE_FIELD(argtype_oids);
	COMPARE_NODE_FIELD(query);

	return true;
}

static bool
_equalExecuteStmt(ExecuteStmt *a, ExecuteStmt *b)
{
	COMPARE_STRING_FIELD(name);
	COMPARE_NODE_FIELD(into);
	COMPARE_NODE_FIELD(params);

	return true;
}

static bool
_equalDeallocateStmt(DeallocateStmt *a, DeallocateStmt *b)
{
	COMPARE_STRING_FIELD(name);

	return true;
}


/*
 * stuff from parsenodes.h
 */

static bool
_equalAExpr(A_Expr *a, A_Expr *b)
{
	COMPARE_SCALAR_FIELD(kind);
	COMPARE_NODE_FIELD(name);
	COMPARE_NODE_FIELD(lexpr);
	COMPARE_NODE_FIELD(rexpr);

	return true;
}

static bool
_equalColumnRef(ColumnRef *a, ColumnRef *b)
{
	COMPARE_NODE_FIELD(fields);

	return true;
}

static bool
_equalParamRef(ParamRef *a, ParamRef *b)
{
	COMPARE_SCALAR_FIELD(number);

	return true;
}

static bool
_equalAConst(A_Const *a, A_Const *b)
{
	if (!equal(&a->val, &b->val))		/* hack for in-line Value field */
		return false;
	COMPARE_NODE_FIELD(typename);

	return true;
}

static bool
_equalFuncCall(FuncCall *a, FuncCall *b)
{
	COMPARE_NODE_FIELD(funcname);
	COMPARE_NODE_FIELD(args);
	COMPARE_SCALAR_FIELD(agg_star);
	COMPARE_SCALAR_FIELD(agg_distinct);

	return true;
}

static bool
_equalAIndices(A_Indices *a, A_Indices *b)
{
	COMPARE_NODE_FIELD(lidx);
	COMPARE_NODE_FIELD(uidx);

	return true;
}

static bool
_equalA_Indirection(A_Indirection *a, A_Indirection *b)
{
	COMPARE_NODE_FIELD(arg);
	COMPARE_NODE_FIELD(indirection);

	return true;
}

static bool
_equalResTarget(ResTarget *a, ResTarget *b)
{
	COMPARE_STRING_FIELD(name);
	COMPARE_NODE_FIELD(indirection);
	COMPARE_NODE_FIELD(val);

	return true;
}

static bool
_equalTypeName(TypeName *a, TypeName *b)
{
	COMPARE_NODE_FIELD(names);
	COMPARE_SCALAR_FIELD(typeid);
	COMPARE_SCALAR_FIELD(timezone);
	COMPARE_SCALAR_FIELD(setof);
	COMPARE_SCALAR_FIELD(pct_type);
	COMPARE_SCALAR_FIELD(typmod);
	COMPARE_NODE_FIELD(arrayBounds);

	return true;
}

static bool
_equalTypeCast(TypeCast *a, TypeCast *b)
{
	COMPARE_NODE_FIELD(arg);
	COMPARE_NODE_FIELD(typename);

	return true;
}

static bool
_equalSortBy(SortBy *a, SortBy *b)
{
	COMPARE_SCALAR_FIELD(sortby_kind);
	COMPARE_NODE_FIELD(useOp);
	COMPARE_NODE_FIELD(node);

	return true;
}

static bool
_equalRangeSubselect(RangeSubselect *a, RangeSubselect *b)
{
	COMPARE_NODE_FIELD(subquery);
	COMPARE_NODE_FIELD(alias);

	return true;
}

static bool
_equalRangeFunction(RangeFunction *a, RangeFunction *b)
{
	COMPARE_NODE_FIELD(funccallnode);
	COMPARE_NODE_FIELD(alias);
	COMPARE_NODE_FIELD(coldeflist);

	return true;
}

static bool
_equalIndexElem(IndexElem *a, IndexElem *b)
{
	COMPARE_STRING_FIELD(name);
	COMPARE_NODE_FIELD(expr);
	COMPARE_NODE_FIELD(opclass);

	return true;
}

static bool
_equalColumnDef(ColumnDef *a, ColumnDef *b)
{
	COMPARE_STRING_FIELD(colname);
	COMPARE_NODE_FIELD(typename);
	COMPARE_SCALAR_FIELD(inhcount);
	COMPARE_SCALAR_FIELD(is_local);
	COMPARE_SCALAR_FIELD(is_not_null);
	COMPARE_NODE_FIELD(raw_default);
	COMPARE_STRING_FIELD(cooked_default);
	COMPARE_NODE_FIELD(constraints);
	COMPARE_NODE_FIELD(support);

	return true;
}

static bool
_equalConstraint(Constraint *a, Constraint *b)
{
	COMPARE_SCALAR_FIELD(contype);
	COMPARE_STRING_FIELD(name);
	COMPARE_NODE_FIELD(raw_expr);
	COMPARE_STRING_FIELD(cooked_expr);
	COMPARE_NODE_FIELD(keys);
	COMPARE_STRING_FIELD(indexspace);

	return true;
}

static bool
_equalDefElem(DefElem *a, DefElem *b)
{
	COMPARE_STRING_FIELD(defname);
	COMPARE_NODE_FIELD(arg);

	return true;
}

static bool
_equalLockingClause(LockingClause *a, LockingClause *b)
{
	COMPARE_NODE_FIELD(lockedRels);
	COMPARE_SCALAR_FIELD(forUpdate);
	COMPARE_SCALAR_FIELD(nowait);

	return true;
}

static bool
_equalRangeTblEntry(RangeTblEntry *a, RangeTblEntry *b)
{
	COMPARE_SCALAR_FIELD(rtekind);
	COMPARE_SCALAR_FIELD(relid);
	COMPARE_NODE_FIELD(subquery);
	COMPARE_NODE_FIELD(funcexpr);
	COMPARE_NODE_FIELD(coldeflist);
	COMPARE_SCALAR_FIELD(jointype);
	COMPARE_NODE_FIELD(joinaliasvars);
	COMPARE_NODE_FIELD(alias);
	COMPARE_NODE_FIELD(eref);
	COMPARE_SCALAR_FIELD(inh);
	COMPARE_SCALAR_FIELD(inFromCl);
	COMPARE_SCALAR_FIELD(requiredPerms);
	COMPARE_SCALAR_FIELD(checkAsUser);

	return true;
}

static bool
_equalSortClause(SortClause *a, SortClause *b)
{
	COMPARE_SCALAR_FIELD(tleSortGroupRef);
	COMPARE_SCALAR_FIELD(sortop);

	return true;
}

static bool
_equalFkConstraint(FkConstraint *a, FkConstraint *b)
{
	COMPARE_STRING_FIELD(constr_name);
	COMPARE_NODE_FIELD(pktable);
	COMPARE_NODE_FIELD(fk_attrs);
	COMPARE_NODE_FIELD(pk_attrs);
	COMPARE_SCALAR_FIELD(fk_matchtype);
	COMPARE_SCALAR_FIELD(fk_upd_action);
	COMPARE_SCALAR_FIELD(fk_del_action);
	COMPARE_SCALAR_FIELD(deferrable);
	COMPARE_SCALAR_FIELD(initdeferred);
	COMPARE_SCALAR_FIELD(skip_validation);

	return true;
}