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operator/req_convert/
insert.rs

1// Copyright 2023 Greptime Team
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15mod column_to_row;
16mod fill_impure_default;
17mod row_to_batch;
18mod row_to_region;
19mod stmt_to_region;
20mod table_to_region;
21mod timestamps;
22
23use api::v1::SemanticType;
24pub use column_to_row::ColumnToRow;
25pub(crate) use fill_impure_default::ImpureDefaultFiller;
26pub use fill_impure_default::fill_reqs_with_impure_default;
27pub use row_to_batch::rows_to_record_batch;
28pub use row_to_region::RowToRegion;
29use snafu::{OptionExt, ResultExt};
30pub use stmt_to_region::StatementToRegion;
31use table::metadata::TableInfo;
32pub use table_to_region::TableToRegion;
33pub use timestamps::extract_timestamps;
34
35use crate::error::{ColumnNotFoundSnafu, MissingTimeIndexColumnSnafu, Result};
36
37fn semantic_type(table_info: &TableInfo, column: &str) -> Result<SemanticType> {
38    let table_meta = &table_info.meta;
39    let table_schema = &table_meta.schema;
40
41    let time_index_column = &table_schema
42        .timestamp_column()
43        .with_context(|| table::error::MissingTimeIndexColumnSnafu {
44            table_name: table_info.name.clone(),
45        })
46        .context(MissingTimeIndexColumnSnafu)?
47        .name;
48
49    let semantic_type = if column == time_index_column {
50        SemanticType::Timestamp
51    } else {
52        let column_index = table_schema.column_index_by_name(column);
53        let column_index = column_index.context(ColumnNotFoundSnafu {
54            msg: format!("unable to find column {column} in table schema"),
55        })?;
56
57        if table_meta.primary_key_indices.contains(&column_index) {
58            SemanticType::Tag
59        } else {
60            SemanticType::Field
61        }
62    };
63
64    Ok(semantic_type)
65}