wehub-resource-sync
83 lines
2.7 KiB
Go
83 lines
2.7 KiB
Go
// Copyright 2023 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/server/auth"
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"github.com/dolthub/doltgresql/postgres/parser/sem/tree"
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pgnodes "github.com/dolthub/doltgresql/server/node"
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)
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// nodeCall handles *tree.Call nodes.
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func nodeCall(ctx *Context, node *tree.Call) (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 node.Procedure.Type != 0 {
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return nil, errors.Errorf("procedure distinction is not yet supported")
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}
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if node.Procedure.Filter != nil {
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return nil, errors.Errorf("procedure filters are not yet supported")
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}
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if node.Procedure.WindowDef != nil {
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return nil, errors.Errorf("procedure window definitions are not yet supported")
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}
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if node.Procedure.AggType == tree.OrderedSetAgg {
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return nil, errors.Errorf("procedure aggregation is not yet supported")
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}
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if len(node.Procedure.OrderBy) > 0 {
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return nil, errors.Errorf("procedure ORDER BY is not yet supported")
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}
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ctx.Auth().PushAuthType(auth.AuthType_EXECUTE)
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defer ctx.Auth().PopAuthType()
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var qualifier vitess.TableIdent
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var name vitess.ColIdent
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switch funcRef := node.Procedure.Func.FunctionReference.(type) {
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case *tree.FunctionDefinition:
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name = vitess.NewColIdent(funcRef.Name)
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case *tree.UnresolvedName:
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if funcRef.NumParts > 2 {
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return nil, errors.Errorf("referencing items outside the schema or database is not yet supported")
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}
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if funcRef.NumParts == 2 {
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qualifier = vitess.NewTableIdent(funcRef.Parts[1])
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}
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name = vitess.NewColIdent(funcRef.Parts[0])
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default:
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return nil, errors.Errorf("unknown function reference")
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}
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exprs, err := nodeExprs(ctx, node.Procedure.Exprs)
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if err != nil {
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return nil, err
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}
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return vitess.InjectedStatement{
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Statement: pgnodes.NewCall(qualifier.String(), name.String(), exprs),
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Children: exprs,
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Auth: vitess.AuthInformation{
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AuthType: auth.AuthType_EXECUTE,
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TargetType: auth.AuthTargetType_FunctionIdentifiers,
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TargetNames: []string{qualifier.String(), name.String()},
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// TODO: need to get argument types separated by comma ( check routineArgTypesKey function )
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Extra: "",
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},
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}, nil
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}
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