wehub-resource-sync
55 lines
1.8 KiB
Go
55 lines
1.8 KiB
Go
// Copyright 2024 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ast
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import (
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"github.com/cockroachdb/errors"
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vitess "github.com/dolthub/vitess/go/vt/sqlparser"
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"github.com/dolthub/doltgresql/postgres/parser/sem/tree"
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)
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// nodeCreateAggregate handles *tree.CreateAggregate nodes.
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func nodeCreateAggregate(ctx *Context, node *tree.CreateAggregate) (vitess.Statement, error) {
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if node == nil {
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return nil, nil
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}
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if !ignoreUnsupportedStatements {
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if err := validateAggArgMode(ctx, node.Args, node.OrderByArgs); err != nil {
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return nil, err
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}
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}
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return NotYetSupportedError("CREATE AGGREGATE is not yet supported")
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}
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// validateAggArgMode checks routine arguments for `OUT` and `INOUT` modes,
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// which cannot be used for AGGREGATE arguments.
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func validateAggArgMode(ctx *Context, args, orderByArgs tree.RoutineArgs) error {
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for _, sig := range args {
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if sig.Mode == tree.RoutineArgModeOut || sig.Mode == tree.RoutineArgModeInout {
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return errors.Errorf("aggregate functions do not support OUT or INOUT arguments")
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}
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}
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for _, sig := range orderByArgs {
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if sig.Mode == tree.RoutineArgModeOut || sig.Mode == tree.RoutineArgModeInout {
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return errors.Errorf("aggregate functions do not support OUT or INOUT arguments")
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}
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}
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return nil
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}
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