61 lines
2.1 KiB
Go
61 lines
2.1 KiB
Go
// Copyright 2019 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 row
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import (
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"github.com/dolthub/dolt/go/libraries/doltcore/schema"
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"github.com/dolthub/dolt/go/libraries/utils/valutil"
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"github.com/dolthub/dolt/go/store/types"
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)
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// Row is the original row interface used by noms valued rows. It's still used in some test code and in a few legacy
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// command line reader interfaces, but should not be used for new code. Use |val.Tuple| to express rows.
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// Deprecated
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type Row interface {
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// IterSchema iterates over all columns in the schema, using the value for the row. Columns that have no value set
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// in this row will still be visited, and receive a nil value.
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IterSchema(sch schema.Schema, cb func(tag uint64, val types.Value) (stop bool, err error)) (bool, error)
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// GetColVal returns the value for the column with the tag given, and a success bool. The value will be null if the
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// row doesn't contain a value for that tag.
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GetColVal(tag uint64) (types.Value, bool)
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}
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func New(nbf *types.NomsBinFormat, sch schema.Schema, colVals TaggedValues) (Row, error) {
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if schema.IsKeyless(sch) {
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return keylessRowFromTaggedValued(nbf, sch, colVals)
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}
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return pkRowFromTaggedValues(nbf, sch, colVals)
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}
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func AreEqual(row1, row2 Row, sch schema.Schema) bool {
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if row1 == nil && row2 == nil {
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return true
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} else if row1 == nil || row2 == nil {
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return false
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}
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for _, tag := range sch.GetAllCols().Tags {
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val1, _ := row1.GetColVal(tag)
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val2, _ := row2.GetColVal(tag)
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if !valutil.NilSafeEqCheck(val1, val2) {
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return false
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}
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}
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return true
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}
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