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Module sql_info

arrow_flight::sql::metadata

Module sql_info

Expand description

Helpers for building responses to CommandGetSqlInfo metadata requests.

SqlInfoDataBuilder - a builder for collecting sql infos and building a conformant RecordBatch with sql info server metadata.
SqlInfoData - a helper type wrapping a RecordBatch used for storing sql info server metadata.
GetSqlInfoBuilder - a builder for constructing CommandGetSqlInfo responses.

Re-exports§

use std::collections::BTreeMap; 🔒
use std::collections::HashMap; 🔒
use std::sync::Arc; 🔒
use std::sync::LazyLock; 🔒
use arrow_arith::boolean::or; 🔒
use arrow_array::array::Array; 🔒
use arrow_array::array::UInt32Array; 🔒
use arrow_array::array::UnionArray; 🔒
use arrow_array::builder::ArrayBuilder; 🔒
use arrow_array::builder::BooleanBuilder; 🔒
use arrow_array::builder::Int8Builder; 🔒
use arrow_array::builder::Int32Builder; 🔒
use arrow_array::builder::Int64Builder; 🔒
use arrow_array::builder::ListBuilder; 🔒
use arrow_array::builder::MapBuilder; 🔒
use arrow_array::builder::StringBuilder; 🔒
use arrow_array::builder::UInt32Builder; 🔒
use arrow_array::RecordBatch; 🔒
use arrow_array::Scalar; 🔒
use arrow_data::ArrayData; 🔒
use arrow_ord::cmp::eq; 🔒
use arrow_schema::DataType; 🔒
use arrow_schema::Field; 🔒
use arrow_schema::Fields; 🔒
use arrow_schema::Schema; 🔒
use arrow_schema::SchemaRef; 🔒
use arrow_schema::UnionFields; 🔒
use arrow_schema::UnionMode; 🔒
use arrow_select::filter::filter_record_batch; 🔒
use crate::error::Result; 🔒
use crate::sql::CommandGetSqlInfo; 🔒
use crate::sql::SqlInfo; 🔒

Structs§

GetSqlInfoBuilder: A builder for a CommandGetSqlInfo response.
SqlInfoData: A builder for SqlInfoData which is used to create CommandGetSqlInfo responses.
SqlInfoDataBuilder: Helper to create CommandGetSqlInfo responses.
SqlInfoUnionBuilder 🔒: Handles creating the dense UnionArray described by flightsql

Enums§

SqlInfoValue: Represents a dynamic value

Statics§

SQL_INFO_SCHEMA 🔒
UNION_TYPE 🔒: DataType for the output union array

Traits§

SqlInfoName: Something that can be converted into u32 (the representation of a SqlInfo name)