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110 lines
3.2 KiB
110 lines
3.2 KiB
// Copyright 2019 Google LLC.
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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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//
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syntax = "proto3";
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package google.cloud.bigquery.v2;
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import "google/api/annotations.proto";
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option go_package = "google.golang.org/genproto/googleapis/cloud/bigquery/v2;bigquery";
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option java_outer_classname = "StandardSqlProto";
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option java_package = "com.google.cloud.bigquery.v2";
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// The type of a variable, e.g., a function argument.
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// Examples:
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// INT64: {type_kind="INT64"}
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// ARRAY<STRING>: {type_kind="ARRAY", array_element_type="STRING"}
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// STRUCT<x STRING, y ARRAY<DATE>>:
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// {type_kind="STRUCT",
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// struct_type={fields=[
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// {name="x", type={type_kind="STRING"}},
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// {name="y", type={type_kind="ARRAY", array_element_type="DATE"}}
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// ]}}
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message StandardSqlDataType {
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enum TypeKind {
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// Invalid type.
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TYPE_KIND_UNSPECIFIED = 0;
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// Encoded as a string in decimal format.
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INT64 = 2;
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// Encoded as a boolean "false" or "true".
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BOOL = 5;
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// Encoded as a number, or string "NaN", "Infinity" or "-Infinity".
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FLOAT64 = 7;
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// Encoded as a string value.
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STRING = 8;
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// Encoded as a base64 string per RFC 4648, section 4.
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BYTES = 9;
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// Encoded as an RFC 3339 timestamp with mandatory "Z" time zone string:
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// 1985-04-12T23:20:50.52Z
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TIMESTAMP = 19;
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// Encoded as RFC 3339 full-date format string: 1985-04-12
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DATE = 10;
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// Encoded as RFC 3339 partial-time format string: 23:20:50.52
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TIME = 20;
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// Encoded as RFC 3339 full-date "T" partial-time: 1985-04-12T23:20:50.52
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DATETIME = 21;
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// Encoded as WKT
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GEOGRAPHY = 22;
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// Encoded as a decimal string.
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NUMERIC = 23;
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// Encoded as a list with types matching Type.array_type.
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ARRAY = 16;
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// Encoded as a list with fields of type Type.struct_type[i]. List is used
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// because a JSON object cannot have duplicate field names.
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STRUCT = 17;
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}
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// Required. The top level type of this field.
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// Can be any standard SQL data type (e.g., "INT64", "DATE", "ARRAY").
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TypeKind type_kind = 1;
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oneof sub_type {
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// The type of the array's elements, if type_kind = "ARRAY".
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StandardSqlDataType array_element_type = 2;
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// The fields of this struct, in order, if type_kind = "STRUCT".
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StandardSqlStructType struct_type = 3;
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}
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}
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// A field or a column.
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message StandardSqlField {
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// Optional. The name of this field. Can be absent for struct fields.
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string name = 1;
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// Optional. The type of this parameter. Absent if not explicitly
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// specified (e.g., CREATE FUNCTION statement can omit the return type;
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// in this case the output parameter does not have this "type" field).
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StandardSqlDataType type = 2;
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}
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message StandardSqlStructType {
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repeated StandardSqlField fields = 1;
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}
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