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| // Copyright 2025 Dolthub, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| package framework | ||
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| import "github.com/dolthub/go-mysql-server/sql" | ||
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| // FunctionProvider is the special sql.FunctionProvider for Doltgres that allows us to handle functions that were | ||
| // are created by users. | ||
| type FunctionProvider struct{} | ||
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| var _ sql.FunctionProvider = (*FunctionProvider)(nil) | ||
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| // Function implements the interface sql.FunctionProvider. | ||
| func (fp *FunctionProvider) Function(ctx *sql.Context, name string) (sql.Function, bool) { | ||
| // TODO: this should be configurable from within Dolt, rather than set on an external variable | ||
| // TODO: user functions should be accessible from the context, just like how sequences and types are handled | ||
| // For now, this just reads our global map (which also needs to be changed, since functions should not be global) | ||
| if f, ok := compiledCatalog[name]; ok { | ||
| return sql.FunctionN{ | ||
| Name: name, | ||
| Fn: f, | ||
| }, true | ||
| } | ||
| return nil, false | ||
| } |
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