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/*
* Minio Cloud Storage, (C) 2019 Minio, 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.
*/
package parquet
import (
"github.com/minio/minio/pkg/s3select/internal/parquet-go/gen-go/parquet"
)
func valuesToInterfaces(values interface{}, valueType parquet.Type) (tableValues []interface{}) {
switch valueType {
case parquet.Type_BOOLEAN:
for _, v := range values.([]bool) {
tableValues = append(tableValues, v)
}
case parquet.Type_INT32:
for _, v := range values.([]int32) {
tableValues = append(tableValues, v)
}
case parquet.Type_INT64:
for _, v := range values.([]int64) {
tableValues = append(tableValues, v)
}
case parquet.Type_FLOAT:
for _, v := range values.([]float32) {
tableValues = append(tableValues, v)
}
case parquet.Type_DOUBLE:
for _, v := range values.([]float64) {
tableValues = append(tableValues, v)
}
case parquet.Type_INT96, parquet.Type_BYTE_ARRAY, parquet.Type_FIXED_LEN_BYTE_ARRAY:
for _, v := range values.([][]byte) {
tableValues = append(tableValues, v)
}
}
return tableValues
}
func interfacesToValues(values []interface{}, valueType parquet.Type) interface{} {
switch valueType {
case parquet.Type_BOOLEAN:
bs := make([]bool, len(values))
for i := range values {
bs[i] = values[i].(bool)
}
return bs
case parquet.Type_INT32:
i32s := make([]int32, len(values))
for i := range values {
i32s[i] = values[i].(int32)
}
return i32s
case parquet.Type_INT64:
i64s := make([]int64, len(values))
for i := range values {
i64s[i] = values[i].(int64)
}
return i64s
case parquet.Type_FLOAT:
f32s := make([]float32, len(values))
for i := range values {
f32s[i] = values[i].(float32)
}
return f32s
case parquet.Type_DOUBLE:
f64s := make([]float64, len(values))
for i := range values {
f64s[i] = values[i].(float64)
}
return f64s
case parquet.Type_INT96, parquet.Type_BYTE_ARRAY, parquet.Type_FIXED_LEN_BYTE_ARRAY:
array := make([][]byte, len(values))
for i := range values {
array[i] = values[i].([]byte)
}
return array
}
return nil
}