37 lines
1.3 KiB
Go
37 lines
1.3 KiB
Go
// Copyright 2025 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 expression
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import (
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"github.com/dolthub/go-mysql-server/sql"
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"github.com/dolthub/go-mysql-server/sql/expression"
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)
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// PostgresExpressionFactory implements the expression.ExpressionFactory interface and
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// allows callers to produce expressions that have custom behavior for Postgres.
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type PostgresExpressionFactory struct{}
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var _ expression.ExpressionFactory = (*PostgresExpressionFactory)(nil)
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// NewIsNull implements the expression.ExpressionFactory interface.
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func (m PostgresExpressionFactory) NewIsNull(e sql.Expression) sql.Expression {
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return NewIsNull(e)
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}
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// NewIsNotNull implements the expression.ExpressionFactory interface.
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func (m PostgresExpressionFactory) NewIsNotNull(e sql.Expression) sql.Expression {
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return NewIsNotNull(e)
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}
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