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// Copyright 2023 Greptime Team
//
// 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.

use lazy_static::lazy_static;
use prometheus::*;

lazy_static! {
    pub static ref DIST_CREATE_TABLE: Histogram = register_histogram!(
        "greptime_table_operator_create_table",
        "table operator create table"
    )
    .unwrap();
    pub static ref DIST_CREATE_TABLES: Histogram = register_histogram!(
        "greptime_table_operator_create_tables",
        "table operator create table"
    )
    .unwrap();
    pub static ref DIST_ALTER_TABLES: Histogram = register_histogram!(
        "greptime_table_operator_alter_tables",
        "table operator alter table"
    )
    .unwrap();
    pub static ref DIST_INGEST_ROW_COUNT: IntCounter = register_int_counter!(
        "greptime_table_operator_ingest_rows",
        "table operator ingest rows"
    )
    .unwrap();
    pub static ref DIST_MIRROR_ROW_COUNT: IntCounter = register_int_counter!(
        "greptime_table_operator_mirror_rows",
        "table operator mirror rows"
    )
    .unwrap();
    pub static ref DIST_DELETE_ROW_COUNT: IntCounter = register_int_counter!(
        "greptime_table_operator_delete_rows",
        "table operator delete rows"
    )
    .unwrap();
    pub static ref DIST_CREATE_VIEW: Histogram = register_histogram!(
        "greptime_ddl_operator_create_view",
        "DDL operator create view"
    )
    .unwrap();
    pub static ref CREATE_ALTER_ON_DEMAND: HistogramVec = register_histogram_vec!(
        "greptime_table_operator_create_alter_on_demand",
        "table operator duration to create or alter tables on demand",
        &["table_type"]
    )
    .unwrap();
}