624 lines
24 KiB
Rust
624 lines
24 KiB
Rust
use mysql_async::prelude::*;
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use std::collections::HashSet;
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use crate::types::{ColumnInfo, DatabaseInfo, IndexInfo, TableInfo};
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use super::mysql::{
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bytes_to_string_lossy, database_infos_from_names, first_nonempty_str_by_name, fix_potential_double_encoding,
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get_conn_with_health_check, get_conn_with_timeout, get_opt_str, get_str, get_str_by_name, is_mysql_identifier_byte,
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list_indexes, mysql_keyword_at, quote_identifier, show_create_table_ddl, skip_mysql_quoted, MySqlPool,
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};
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// Doris and StarRocks reuse the MySQL wire protocol, but catalog addressing and DDL/index
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// metadata semantics are MySQL-compatible distributed behavior and stay isolated in this module.
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pub async fn list_indexes_with_ddl_fallback(
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pool: &MySqlPool,
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database: &str,
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table: &str,
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) -> Result<Vec<IndexInfo>, String> {
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let statistics_result = list_indexes(pool, database, table).await;
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let mut indexes = match &statistics_result {
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Ok(indexes) => indexes.clone(),
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Err(err) => {
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log::debug!(
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"Falling back to SHOW CREATE TABLE for MySQL-compatible distributed indexes on `{database}`.`{table}` after information_schema.STATISTICS failed: {err}"
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);
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Vec::new()
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}
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};
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match show_create_table_ddl(pool, database, table).await {
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Ok(ddl) => {
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merge_index_infos(&mut indexes, indexes_from_create_table_ddl(&ddl));
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Ok(indexes)
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}
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Err(ddl_err) => {
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if indexes.is_empty() {
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if let Err(statistics_err) = statistics_result {
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return Err(format!(
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"{statistics_err}; SHOW CREATE TABLE fallback failed for MySQL-compatible distributed indexes: {ddl_err}"
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));
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}
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}
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Ok(indexes)
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}
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}
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}
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// ---------------------------------------------------------------------------
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// Doris / StarRocks multi-catalog support.
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//
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// These engines expose external catalogs (iceberg, hive, jdbc, ...) alongside
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// the native `internal` catalog via `SHOW CATALOGS`. The functions below address
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// objects in a specific catalog using 3-part qualified names
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// (`<catalog>.<database>.<table>`), which the engines accept directly without
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// needing to `SWITCH` the session catalog.
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// ---------------------------------------------------------------------------
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/// Build a 2-part qualified identifier `` `<catalog>`.`<database>` ``.
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fn catalog_database_ref(catalog: &str, database: &str) -> String {
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format!("{}.{}", quote_identifier(catalog), quote_identifier(database))
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}
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/// Build a 3-part qualified identifier `` `<catalog>`.`<database>`.`<table>` ``.
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fn catalog_table_ref(catalog: &str, database: &str, table: &str) -> String {
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format!("{}.{}.{}", quote_identifier(catalog), quote_identifier(database), quote_identifier(table))
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}
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/// `SHOW CATALOGS` → list of catalogs visible to the current user.
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///
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/// Column layouts differ between engines: Doris exposes `CatalogName` (with
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/// `CatalogId`/`IsCurrent`/`CreateTime`/`LastUpdateTime`), while StarRocks
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/// exposes `Catalog` (only `Type`/`Comment`, no `IsCurrent`). The name is read
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/// from either column; missing trailing columns degrade gracefully to
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/// empty/None. The built-in catalog is named `internal` in Doris and
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/// `default_catalog` in StarRocks (both with `Type=internal`); detection is
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/// type-based (see `CatalogInfo::is_internal`), not name-based.
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pub async fn list_catalogs(pool: &MySqlPool) -> Result<Vec<crate::db::CatalogInfo>, String> {
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let mut conn = get_conn_with_timeout(pool, super::connection_timeout()).await?;
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let result = conn.query_iter("SHOW CATALOGS").await.map_err(|e| e.to_string())?;
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let rows: Vec<mysql_async::Row> = result.collect_and_drop().await.map_err(|e| e.to_string())?;
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let catalogs: Vec<crate::db::CatalogInfo> = rows
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.iter()
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.filter_map(|row| {
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// Doris column is `CatalogName`; StarRocks column is `Catalog`.
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let name = first_nonempty_str_by_name(row, &["CatalogName", "Catalog"]).trim().to_string();
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if name.is_empty() {
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return None;
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}
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let catalog_type = get_str_by_name(row, "Type").trim().to_string();
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let is_current = {
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let value = get_str_by_name(row, "IsCurrent").trim().to_ascii_lowercase();
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!value.is_empty() && value != "no" && value != "false" && value != "0"
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};
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let comment = get_opt_str(row, "Comment").map(|s| s.trim().to_string()).filter(|s| !s.is_empty());
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Some(crate::db::CatalogInfo { name, catalog_type, is_current, comment })
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})
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.collect();
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Ok(normalize_catalogs(catalogs))
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}
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/// Sort with the built-in catalog first, then the rest alphabetically by name.
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/// The built-in catalog is identified by `CatalogInfo::is_internal` (type-based)
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/// rather than by name, so StarRocks `default_catalog` sorts first just like
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/// Doris `internal`. No synthetic catalog is injected: `SHOW CATALOGS` always
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/// lists the built-in catalog on both engines, and a single-catalog result is
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/// handled by the flat-sidebar fallback in the caller.
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fn normalize_catalogs(mut catalogs: Vec<crate::db::CatalogInfo>) -> Vec<crate::db::CatalogInfo> {
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catalogs.sort_by(|a, b| match (a.is_internal(), b.is_internal()) {
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(true, false) => std::cmp::Ordering::Less,
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(false, true) => std::cmp::Ordering::Greater,
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_ => a.name.cmp(&b.name),
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});
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catalogs
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}
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/// `SHOW DATABASES FROM <catalog>` → databases in the given catalog.
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pub async fn list_databases_show_from(pool: &MySqlPool, catalog: &str) -> Result<Vec<DatabaseInfo>, String> {
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let mut conn = get_conn_with_timeout(pool, super::connection_timeout()).await?;
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let sql = format!("SHOW DATABASES FROM {}", quote_identifier(catalog));
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let result = conn.query_iter(&sql).await.map_err(|e| e.to_string())?;
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let rows: Vec<mysql_async::Row> = result.collect_and_drop().await.map_err(|e| e.to_string())?;
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Ok(database_infos_from_names(rows.iter().map(|row| get_str(row, 0)), false))
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}
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/// `SHOW TABLES FROM <catalog>.<database>` → tables in an external catalog.
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///
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/// External catalogs do not support `SHOW TABLE STATUS`, so comments/status are
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/// not fetched (the caller only needs names + types for browsing).
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pub async fn list_tables_show_from(pool: &MySqlPool, catalog: &str, database: &str) -> Result<Vec<TableInfo>, String> {
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let sql = format!("SHOW TABLES FROM {}", catalog_database_ref(catalog, database));
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let mut conn = get_conn_with_timeout(pool, super::connection_timeout()).await?;
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let result = conn.query_iter(&sql).await.map_err(|e| e.to_string())?;
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let rows: Vec<mysql_async::Row> = result.collect_and_drop().await.map_err(|e| e.to_string())?;
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let mut tables: Vec<TableInfo> = rows
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.iter()
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.filter_map(|row| {
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let name = get_str(row, 0).trim().to_string();
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if name.is_empty() {
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return None;
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}
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// SHOW FULL TABLES exposes a type column; plain SHOW TABLES does not.
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let table_type = get_str(row, 1);
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Some(TableInfo {
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name,
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table_type: if table_type.trim().is_empty() { "TABLE".to_string() } else { table_type },
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comment: None,
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parent_schema: None,
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parent_name: None,
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})
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})
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.collect();
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tables.sort_by(|a, b| a.name.cmp(&b.name));
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Ok(tables)
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}
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/// `SHOW COLUMNS FROM <catalog>.<database>.<table>` → columns of an external
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/// catalog table. Falls back to `DESCRIBE` if `SHOW COLUMNS` is rejected.
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pub async fn get_columns_show_from(
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pool: &MySqlPool,
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catalog: &str,
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database: &str,
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table: &str,
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) -> Result<Vec<ColumnInfo>, String> {
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let qualified = catalog_table_ref(catalog, database, table);
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let full_sql = format!("SHOW FULL COLUMNS FROM {qualified}");
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let plain_sql = format!("SHOW COLUMNS FROM {qualified}");
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let describe_sql = format!("DESCRIBE {qualified}");
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let mut conn = get_conn_with_health_check(pool).await?;
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let rows: Vec<mysql_async::Row> = match conn.query_iter(&full_sql).await {
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Ok(result) => result.collect_and_drop().await.map_err(|e| e.to_string())?,
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Err(_) => match conn.query_iter(&plain_sql).await {
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Ok(result) => result.collect_and_drop().await.map_err(|e| e.to_string())?,
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Err(_) => {
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let result = conn.query_iter(&describe_sql).await.map_err(|e| e.to_string())?;
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result.collect_and_drop().await.map_err(|e| e.to_string())?
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}
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},
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};
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Ok(rows
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.iter()
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.filter_map(|row| {
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let name = get_str_by_name(row, "Field").trim().to_string();
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if name.is_empty() {
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return None;
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}
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let key = get_str_by_name(row, "Key");
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let collation = get_opt_str(row, "Collation").filter(|s| !s.is_empty());
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Some(ColumnInfo {
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name,
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data_type: get_str_by_name(row, "Type"),
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is_nullable: get_str_by_name(row, "Null").eq_ignore_ascii_case("YES"),
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column_default: get_opt_str(row, "Default"),
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is_primary_key: key.eq_ignore_ascii_case("PRI"),
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extra: get_opt_str(row, "Extra"),
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comment: get_opt_str(row, "Comment")
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.map(|s| fix_potential_double_encoding(&s))
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.filter(|s| !s.is_empty()),
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numeric_precision: None,
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numeric_scale: None,
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character_maximum_length: None,
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enum_values: None,
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character_set: collation
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.as_deref()
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.and_then(|c| c.split_once('_').map(|(charset, _)| charset.to_string()))
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.filter(|s| !s.is_empty()),
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collation,
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})
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})
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.collect())
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}
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/// `SHOW CREATE TABLE <catalog>.<database>.<table>` → DDL for an external
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/// catalog table.
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pub async fn show_create_table_ddl_from(
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pool: &MySqlPool,
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catalog: &str,
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database: &str,
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table: &str,
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) -> Result<String, String> {
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let sql = format!("SHOW CREATE TABLE {}", catalog_table_ref(catalog, database, table));
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let mut conn = get_conn_with_health_check(pool).await?;
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let result = conn.query_iter(&sql).await.map_err(|e| e.to_string())?;
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let rows: Vec<mysql_async::Row> = result.collect_and_drop().await.map_err(|e| e.to_string())?;
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let row = rows.first().ok_or("DDL not found")?;
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row.get_opt::<String, usize>(1)
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.and_then(|result| result.ok())
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.or_else(|| row.get_opt::<Vec<u8>, usize>(1).and_then(|result| result.ok()).map(bytes_to_string_lossy))
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.ok_or_else(|| "Failed to read DDL".to_string())
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}
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/// Best-effort index listing for an external catalog table. External catalogs
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/// generally do not expose MySQL-style index metadata via `information_schema`
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/// (that view is scoped to the internal catalog), so indexes are derived from
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/// `SHOW CREATE TABLE` parsing. Returns empty on failure (graceful degradation
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/// — indexes are informational for external tables).
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pub async fn list_catalog_indexes(
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pool: &MySqlPool,
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catalog: &str,
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database: &str,
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table: &str,
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) -> Result<Vec<IndexInfo>, String> {
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let ddl = show_create_table_ddl_from(pool, catalog, database, table).await?;
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Ok(indexes_from_create_table_ddl(&ddl))
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}
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fn merge_index_infos(target: &mut Vec<IndexInfo>, parsed: Vec<IndexInfo>) {
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let mut seen_names: HashSet<String> = target.iter().map(|index| index.name.to_ascii_lowercase()).collect();
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for index in parsed {
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if index.columns.is_empty() {
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continue;
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}
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if seen_names.contains(&index.name.to_ascii_lowercase())
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|| target.iter().any(|existing| {
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existing.is_unique == index.is_unique
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&& existing.is_primary == index.is_primary
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&& existing.columns == index.columns
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})
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{
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continue;
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}
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seen_names.insert(index.name.to_ascii_lowercase());
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target.push(index);
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}
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}
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fn indexes_from_create_table_ddl(ddl: &str) -> Vec<IndexInfo> {
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let mut indexes = Vec::new();
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for raw_line in ddl.lines() {
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let line = trim_ddl_definition_line(raw_line);
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if line.is_empty() {
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continue;
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}
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let upper = line.to_ascii_uppercase();
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if upper.starts_with("PRIMARY KEY") {
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if let Some(index) = table_key_index("PRIMARY", line, true, true, "PRIMARY KEY") {
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indexes.push(index);
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}
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} else if upper.starts_with("UNIQUE KEY") {
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if let Some(index) = table_key_index("UNIQUE KEY", line, true, false, "UNIQUE KEY") {
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indexes.push(index);
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}
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} else if upper.starts_with("INDEX ") {
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if let Some(index) = secondary_index(line) {
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indexes.push(index);
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}
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}
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}
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indexes
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}
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fn trim_ddl_definition_line(line: &str) -> &str {
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let mut trimmed = line.trim();
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if let Some(rest) = trimmed.strip_prefix(',') {
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trimmed = rest.trim_start();
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}
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while let Some(rest) = trimmed.strip_suffix(',') {
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trimmed = rest.trim_end();
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}
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trimmed
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}
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fn table_key_index(name: &str, line: &str, is_unique: bool, is_primary: bool, index_type: &str) -> Option<IndexInfo> {
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let columns = parse_mysql_index_columns(first_parenthesized_content(line)?);
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if columns.is_empty() {
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return None;
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}
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Some(IndexInfo {
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name: name.to_string(),
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columns,
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is_unique,
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is_primary,
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filter: None,
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index_type: Some(index_type.to_string()),
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included_columns: None,
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comment: None,
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})
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}
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fn secondary_index(line: &str) -> Option<IndexInfo> {
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let (_, rest) = split_keyword_prefix(line, "INDEX")?;
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let (name, after_name) = read_mysql_identifier(rest.trim_start())?;
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let columns = parse_mysql_index_columns(first_parenthesized_content(after_name)?);
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if columns.is_empty() {
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return None;
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}
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Some(IndexInfo {
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name,
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columns,
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is_unique: false,
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is_primary: false,
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filter: None,
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index_type: mysql_keyword_argument(after_name, "USING").or_else(|| Some("INDEX".to_string())),
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included_columns: None,
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comment: mysql_quoted_string_argument(after_name, "COMMENT"),
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})
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}
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fn split_keyword_prefix<'a>(line: &'a str, keyword: &str) -> Option<(&'a str, &'a str)> {
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if line.len() < keyword.len() || !line[..keyword.len()].eq_ignore_ascii_case(keyword) {
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return None;
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}
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let rest = &line[keyword.len()..];
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if !rest.is_empty() && is_mysql_identifier_byte(rest.as_bytes()[0]) {
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return None;
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}
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Some((&line[..keyword.len()], rest))
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}
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fn read_mysql_identifier(input: &str) -> Option<(String, &str)> {
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let input = input.trim_start();
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if input.is_empty() {
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return None;
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}
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let bytes = input.as_bytes();
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if bytes[0] == b'`' {
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let mut i = 1;
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let mut value = String::new();
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while i < bytes.len() {
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if bytes[i] == b'`' {
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if i + 1 < bytes.len() && bytes[i + 1] == b'`' {
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value.push('`');
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i += 2;
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continue;
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}
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return Some((value, &input[i + 1..]));
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}
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let ch = input[i..].chars().next()?;
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value.push(ch);
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i += ch.len_utf8();
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}
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return None;
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}
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let end = input.find(|ch: char| ch.is_whitespace() || matches!(ch, '(' | ')' | ',')).unwrap_or(input.len());
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if end == 0 {
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return None;
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}
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Some((input[..end].to_string(), &input[end..]))
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}
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fn first_parenthesized_content(input: &str) -> Option<&str> {
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let bytes = input.as_bytes();
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let mut depth = 0usize;
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let mut start = None;
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let mut i = 0usize;
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while i < bytes.len() {
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match bytes[i] {
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b'\'' | b'"' | b'`' => {
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i = skip_mysql_quoted(input, i, bytes[i]);
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continue;
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}
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b'(' => {
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if depth == 0 {
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start = Some(i + 1);
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}
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depth += 1;
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}
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b')' if depth > 0 => {
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depth -= 1;
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if depth == 0 {
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return start.map(|start| &input[start..i]);
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}
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}
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_ => {}
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}
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i += 1;
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}
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None
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}
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fn split_top_level_csv(input: &str) -> Vec<&str> {
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let bytes = input.as_bytes();
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let mut parts = Vec::new();
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let mut depth = 0usize;
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let mut start = 0usize;
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let mut i = 0usize;
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while i < bytes.len() {
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match bytes[i] {
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b'\'' | b'"' | b'`' => {
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i = skip_mysql_quoted(input, i, bytes[i]);
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continue;
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}
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b'(' => depth += 1,
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b')' if depth > 0 => depth -= 1,
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b',' if depth == 0 => {
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parts.push(input[start..i].trim());
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start = i + 1;
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}
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_ => {}
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}
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i += 1;
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}
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parts.push(input[start..].trim());
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parts
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}
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fn parse_mysql_index_columns(input: &str) -> Vec<String> {
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split_top_level_csv(input)
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.into_iter()
|
|
.filter_map(|part| read_mysql_identifier(part).map(|(column, _)| column))
|
|
.filter(|column| !column.is_empty())
|
|
.collect()
|
|
}
|
|
|
|
fn mysql_keyword_argument(input: &str, keyword: &str) -> Option<String> {
|
|
let bytes = input.as_bytes();
|
|
let mut i = 0usize;
|
|
while i < bytes.len() {
|
|
match bytes[i] {
|
|
b'\'' | b'"' | b'`' => {
|
|
i = skip_mysql_quoted(input, i, bytes[i]);
|
|
continue;
|
|
}
|
|
_ if mysql_keyword_at(input, i, keyword) => {
|
|
return read_mysql_identifier(&input[i + keyword.len()..]).map(|(value, _)| value);
|
|
}
|
|
_ => i += 1,
|
|
}
|
|
}
|
|
None
|
|
}
|
|
|
|
fn mysql_quoted_string_argument(input: &str, keyword: &str) -> Option<String> {
|
|
let bytes = input.as_bytes();
|
|
let mut i = 0usize;
|
|
while i < bytes.len() {
|
|
match bytes[i] {
|
|
b'\'' | b'"' | b'`' => {
|
|
i = skip_mysql_quoted(input, i, bytes[i]);
|
|
continue;
|
|
}
|
|
_ if mysql_keyword_at(input, i, keyword) => {
|
|
let rest = input[i + keyword.len()..].trim_start();
|
|
if rest.as_bytes().first().copied() != Some(b'\'') {
|
|
return None;
|
|
}
|
|
let end = skip_mysql_quoted(rest, 0, b'\'');
|
|
if end <= 1 || end > rest.len() {
|
|
return None;
|
|
}
|
|
return Some(rest[1..end - 1].replace("\\'", "'").replace("''", "'"));
|
|
}
|
|
_ => i += 1,
|
|
}
|
|
}
|
|
None
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn doris_create_table_ddl_indexes_include_unique_key_and_inverted_indexes() {
|
|
let ddl = r#"
|
|
CREATE TABLE `bfm_org` (
|
|
`org_id` bigint NULL,
|
|
`ORG_CODE` varchar(255) NULL,
|
|
`ORG_NAME` varchar(255) NULL,
|
|
INDEX org_id_idx (`org_id`) USING INVERTED,
|
|
INDEX org_code_idx (`ORG_CODE`) USING INVERTED,
|
|
INDEX org_name_idx (`ORG_NAME`) USING INVERTED
|
|
) ENGINE=OLAP
|
|
UNIQUE KEY(`org_id`)
|
|
COMMENT '部门信息表'
|
|
DISTRIBUTED BY HASH(`org_id`) BUCKETS 4
|
|
"#;
|
|
|
|
let indexes = indexes_from_create_table_ddl(ddl);
|
|
|
|
assert_eq!(indexes.len(), 4);
|
|
assert_eq!(indexes[0].name, "org_id_idx");
|
|
assert_eq!(indexes[0].columns, vec!["org_id"]);
|
|
assert!(!indexes[0].is_unique);
|
|
assert_eq!(indexes[0].index_type.as_deref(), Some("INVERTED"));
|
|
assert_eq!(indexes[3].name, "UNIQUE KEY");
|
|
assert_eq!(indexes[3].columns, vec!["org_id"]);
|
|
assert!(indexes[3].is_unique);
|
|
assert!(!indexes[3].is_primary);
|
|
assert_eq!(indexes[3].index_type.as_deref(), Some("UNIQUE KEY"));
|
|
}
|
|
|
|
#[test]
|
|
fn doris_create_table_ddl_index_parser_handles_quoted_names_and_comments() {
|
|
let ddl = r#"
|
|
CREATE TABLE `search_test` (
|
|
`name``part` varchar(64) NULL,
|
|
INDEX `idx``name` (`name``part`) USING NGRAM_BF COMMENT 'name''s index'
|
|
) ENGINE=OLAP
|
|
UNIQUE KEY(`tenant_id`, `name``part`)
|
|
"#;
|
|
|
|
let indexes = indexes_from_create_table_ddl(ddl);
|
|
|
|
assert_eq!(indexes.len(), 2);
|
|
assert_eq!(indexes[0].name, "idx`name");
|
|
assert_eq!(indexes[0].columns, vec!["name`part"]);
|
|
assert_eq!(indexes[0].index_type.as_deref(), Some("NGRAM_BF"));
|
|
assert_eq!(indexes[0].comment.as_deref(), Some("name's index"));
|
|
assert_eq!(indexes[1].columns, vec!["tenant_id", "name`part"]);
|
|
assert!(indexes[1].is_unique);
|
|
}
|
|
|
|
fn catalog_info(name: &str, catalog_type: &str, is_current: bool) -> crate::db::CatalogInfo {
|
|
crate::db::CatalogInfo {
|
|
name: name.to_string(),
|
|
catalog_type: catalog_type.to_string(),
|
|
is_current,
|
|
comment: None,
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn catalog_database_ref_backtick_qualifies_two_parts() {
|
|
assert_eq!(catalog_database_ref("iceberg_catalog", "sales"), "`iceberg_catalog`.`sales`");
|
|
}
|
|
|
|
#[test]
|
|
fn catalog_table_ref_backtick_qualifies_three_parts() {
|
|
assert_eq!(catalog_table_ref("iceberg_catalog", "sales", "orders"), "`iceberg_catalog`.`sales`.`orders`");
|
|
}
|
|
|
|
#[test]
|
|
fn doris_catalog_refs_escape_embedded_backticks() {
|
|
assert_eq!(catalog_database_ref("a`b", "c`d"), "`a``b`.`c``d`");
|
|
assert_eq!(catalog_table_ref("a`b", "c`d", "e`f"), "`a``b`.`c``d`.`e``f`");
|
|
}
|
|
|
|
#[test]
|
|
fn normalize_catalogs_does_not_inject_missing_internal() {
|
|
// SHOW CATALOGS always lists the built-in catalog on both engines, so a
|
|
// missing internal catalog is not synthesized — the caller's flat-sidebar
|
|
// fallback handles a single/empty result instead.
|
|
let catalogs =
|
|
vec![catalog_info("iceberg_catalog", "iceberg", true), catalog_info("hive_catalog", "hive", false)];
|
|
let normalized = normalize_catalogs(catalogs);
|
|
let names: Vec<&str> = normalized.iter().map(|c| c.name.as_str()).collect();
|
|
assert_eq!(names, vec!["hive_catalog", "iceberg_catalog"]);
|
|
assert!(!normalized.iter().any(|c| c.is_internal()));
|
|
}
|
|
|
|
#[test]
|
|
fn normalize_catalogs_keeps_existing_internal_first() {
|
|
let catalogs = vec![
|
|
catalog_info("iceberg_catalog", "iceberg", false),
|
|
catalog_info("internal", "internal", true),
|
|
catalog_info("hive_catalog", "hive", false),
|
|
];
|
|
let normalized = normalize_catalogs(catalogs);
|
|
let names: Vec<&str> = normalized.iter().map(|c| c.name.as_str()).collect();
|
|
assert_eq!(names, vec!["internal", "hive_catalog", "iceberg_catalog"]);
|
|
}
|
|
|
|
#[test]
|
|
fn normalize_catalogs_sorts_starrocks_default_catalog_first() {
|
|
// StarRocks names its built-in catalog `default_catalog` (Type=Internal);
|
|
// detection is type-based, so it sorts first just like Doris `internal`.
|
|
let catalogs =
|
|
vec![catalog_info("hive_catalog", "hive", false), catalog_info("default_catalog", "Internal", true)];
|
|
let normalized = normalize_catalogs(catalogs);
|
|
let names: Vec<&str> = normalized.iter().map(|c| c.name.as_str()).collect();
|
|
assert_eq!(names, vec!["default_catalog", "hive_catalog"]);
|
|
assert!(normalized[0].is_internal());
|
|
assert!(!normalized[1].is_internal());
|
|
}
|
|
|
|
#[test]
|
|
fn normalize_catalogs_detects_internal_by_type_not_name() {
|
|
// A catalog literally named `internal` but with an external type is NOT
|
|
// the built-in catalog and must not sort first.
|
|
let catalogs = vec![catalog_info("internal", "iceberg", false), catalog_info("hive_catalog", "hive", false)];
|
|
let normalized = normalize_catalogs(catalogs);
|
|
let names: Vec<&str> = normalized.iter().map(|c| c.name.as_str()).collect();
|
|
assert_eq!(names, vec!["hive_catalog", "internal"]);
|
|
assert!(!normalized.iter().any(|c| c.is_internal()));
|
|
}
|
|
|
|
#[test]
|
|
fn normalize_catalogs_handles_empty_input() {
|
|
let normalized = normalize_catalogs(Vec::new());
|
|
assert!(normalized.is_empty());
|
|
}
|
|
}
|