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// Copyright 2019 Google LLC.
//
// 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.
//
syntax = "proto3";
package google.cloud.bigquery.storage.v1beta1;
option go_package = "google.golang.org/genproto/googleapis/cloud/bigquery/storage/v1beta1;storage";
option java_package = "com.google.cloud.bigquery.storage.v1beta1";
// Options dictating how we read a table.
message TableReadOptions {
// Optional. Names of the fields in the table that should be read. If empty,
// all fields will be read. If the specified field is a nested field, all the
// sub-fields in the field will be selected. The output field order is
// unrelated to the order of fields in selected_fields.
repeated string selected_fields = 1;
// Optional. SQL text filtering statement, similar to a WHERE clause in
// a query. Currently, only a single predicate that is a comparison between
// a column and a constant value is supported. Aggregates are not supported.
//
// Examples: "int_field > 5"
// "date_field = CAST('2014-9-27' as DATE)"
// "nullable_field is not NULL"
// "st_equals(geo_field, st_geofromtext("POINT(2, 2)"))"
// "numeric_field BETWEEN 1.0 AND 5.0"
string row_restriction = 2;
}
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