514 lines
21 KiB
Rust
514 lines
21 KiB
Rust
use std::sync::Arc;
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use tauri::State;
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use crate::commands::connection::{AppState, PoolKind};
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use crate::db;
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fn duckdb_query_tables(con: &duckdb::Connection) -> Result<Vec<db::TableInfo>, String> {
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let mut stmt = con.prepare(
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"SELECT table_name, table_type FROM information_schema.tables WHERE table_schema = 'main' ORDER BY table_name"
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).map_err(|e| e.to_string())?;
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let rows = stmt.query_map([], |row| {
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Ok(db::TableInfo {
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name: row.get::<_, String>(0)?,
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table_type: row.get::<_, String>(1)?,
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})
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}).map_err(|e| e.to_string())?;
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Ok(rows.filter_map(|r| r.ok()).collect())
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}
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fn duckdb_query_columns(con: &duckdb::Connection, table: &str) -> Result<Vec<db::ColumnInfo>, String> {
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let mut pk_stmt = con.prepare(
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"SELECT kcu.column_name
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FROM information_schema.table_constraints tc
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JOIN information_schema.key_column_usage kcu
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ON tc.constraint_name = kcu.constraint_name
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AND tc.table_schema = kcu.table_schema
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AND tc.table_name = kcu.table_name
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WHERE tc.constraint_type = 'PRIMARY KEY'
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AND tc.table_schema = 'main'
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AND tc.table_name = ?
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ORDER BY kcu.ordinal_position"
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).map_err(|e| e.to_string())?;
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let pk_rows = pk_stmt.query_map([table], |row| row.get::<_, String>(0))
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.map_err(|e| e.to_string())?;
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let primary_keys: std::collections::HashSet<String> = pk_rows.filter_map(|r| r.ok()).collect();
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let mut stmt = con.prepare(
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"SELECT column_name, data_type, is_nullable, column_default
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FROM information_schema.columns
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WHERE table_schema = 'main' AND table_name = ?
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ORDER BY ordinal_position"
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).map_err(|e| e.to_string())?;
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let rows = stmt.query_map([table], |row| {
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let name = row.get::<_, String>(0)?;
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Ok(db::ColumnInfo {
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is_primary_key: primary_keys.contains(&name),
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name,
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data_type: row.get::<_, String>(1)?,
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is_nullable: row.get::<_, String>(2).unwrap_or_default() == "YES",
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column_default: row.get::<_, Option<String>>(3)?,
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extra: None, comment: None,
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numeric_precision: None,
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numeric_scale: None,
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})
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}).map_err(|e| e.to_string())?;
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Ok(rows.filter_map(|r| r.ok()).collect())
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}
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fn extract_duckdb(connections: &std::collections::HashMap<String, PoolKind>, key: &str) -> Option<std::sync::Arc<std::sync::Mutex<duckdb::Connection>>> {
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match connections.get(key)? {
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PoolKind::DuckDb(con) => Some(con.clone()),
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_ => None,
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}
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}
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fn extract_sqlserver(connections: &std::collections::HashMap<String, PoolKind>, key: &str) -> Option<std::sync::Arc<tokio::sync::Mutex<db::sqlserver::SqlServerClient>>> {
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match connections.get(key)? {
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PoolKind::SqlServer(client) => Some(client.clone()),
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_ => None,
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}
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}
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fn extract_clickhouse(connections: &std::collections::HashMap<String, PoolKind>, key: &str) -> Option<db::clickhouse_driver::ChClient> {
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match connections.get(key)? {
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PoolKind::ClickHouse(client) => Some(client.clone()),
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_ => None,
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}
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}
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fn extract_oracle(connections: &std::collections::HashMap<String, PoolKind>, key: &str) -> Option<std::sync::Arc<tokio::sync::Mutex<db::oracle_driver::OracleClient>>> {
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match connections.get(key)? {
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PoolKind::Oracle(client) => Some(client.clone()),
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_ => None,
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}
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}
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#[tauri::command]
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pub async fn list_databases(
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state: State<'_, Arc<AppState>>,
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connection_id: String,
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) -> Result<Vec<db::DatabaseInfo>, String> {
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{
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let connections = state.connections.lock().await;
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if let Some(client) = extract_clickhouse(&connections, &connection_id) {
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drop(connections);
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return db::clickhouse_driver::list_databases(&client).await;
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}
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if let Some(client) = extract_sqlserver(&connections, &connection_id) {
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drop(connections);
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let mut client = client.lock().await;
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return db::sqlserver::list_databases(&mut client).await;
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}
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if let Some(client) = extract_oracle(&connections, &connection_id) {
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drop(connections);
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let client = client.lock().await;
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return db::oracle_driver::list_databases(&*client).await;
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}
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}
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let connections = state.connections.lock().await;
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let pool = connections.get(&connection_id).ok_or("Connection not found")?;
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match pool {
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PoolKind::Mysql(p) => db::mysql::list_databases(p).await,
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PoolKind::Postgres(p) => db::postgres::list_databases(p).await,
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PoolKind::Sqlite(p) => db::sqlite::list_databases(p).await,
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PoolKind::DuckDb(_) => Ok(vec![db::DatabaseInfo { name: "main".to_string() }]),
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_ => Ok(vec![]),
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}
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}
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#[tauri::command]
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pub async fn list_schemas(
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state: State<'_, Arc<AppState>>,
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connection_id: String,
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database: String,
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) -> Result<Vec<String>, String> {
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let pool_key = state.get_or_create_pool(&connection_id, Some(&database)).await?;
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{
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let connections = state.connections.lock().await;
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if let Some(client) = extract_sqlserver(&connections, &pool_key) {
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drop(connections);
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let mut client = client.lock().await;
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return db::sqlserver::list_schemas(&mut client).await;
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}
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if let Some(client) = extract_oracle(&connections, &pool_key) {
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drop(connections);
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let client = client.lock().await;
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return db::oracle_driver::list_schemas(&*client).await;
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}
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}
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let connections = state.connections.lock().await;
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let pool = connections.get(&pool_key).ok_or("Pool not found")?;
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match pool {
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PoolKind::Postgres(p) => db::postgres::list_schemas(p).await,
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_ => Ok(vec![]),
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}
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}
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#[tauri::command]
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pub async fn list_tables(
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state: State<'_, Arc<AppState>>,
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connection_id: String,
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database: String,
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schema: String,
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) -> Result<Vec<db::TableInfo>, String> {
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let pool_key = state.get_or_create_pool(&connection_id, Some(&database)).await?;
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{
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let connections = state.connections.lock().await;
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if let Some(con) = extract_duckdb(&connections, &pool_key) {
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drop(connections);
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let con = con.lock().map_err(|e| e.to_string())?;
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return duckdb_query_tables(&con);
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}
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if let Some(client) = extract_clickhouse(&connections, &pool_key) {
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drop(connections);
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return db::clickhouse_driver::list_tables(&client, &database).await;
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}
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if let Some(client) = extract_sqlserver(&connections, &pool_key) {
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drop(connections);
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let mut client = client.lock().await;
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return db::sqlserver::list_tables(&mut client, &schema).await;
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}
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if let Some(client) = extract_oracle(&connections, &pool_key) {
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drop(connections);
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let client = client.lock().await;
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return db::oracle_driver::list_tables(&*client, &schema).await;
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}
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}
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let connections = state.connections.lock().await;
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let pool = connections.get(&pool_key).ok_or("Pool not found")?;
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match pool {
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PoolKind::Mysql(p) => db::mysql::list_tables(p, &schema).await,
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PoolKind::Postgres(p) => db::postgres::list_tables(p, &schema).await,
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PoolKind::Sqlite(p) => db::sqlite::list_tables(p, &schema).await,
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_ => Ok(vec![]),
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}
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}
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#[tauri::command]
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pub async fn get_columns(
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state: State<'_, Arc<AppState>>,
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connection_id: String,
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database: String,
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schema: String,
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table: String,
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) -> Result<Vec<db::ColumnInfo>, String> {
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let pool_key = state.get_or_create_pool(&connection_id, Some(&database)).await?;
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{
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let connections = state.connections.lock().await;
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if let Some(con) = extract_duckdb(&connections, &pool_key) {
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drop(connections);
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let con = con.lock().map_err(|e| e.to_string())?;
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return duckdb_query_columns(&con, &table);
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}
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if let Some(client) = extract_clickhouse(&connections, &pool_key) {
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drop(connections);
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return db::clickhouse_driver::get_columns(&client, &database, &table).await;
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}
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if let Some(client) = extract_sqlserver(&connections, &pool_key) {
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drop(connections);
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let mut client = client.lock().await;
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return db::sqlserver::get_columns(&mut client, &schema, &table).await;
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}
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if let Some(client) = extract_oracle(&connections, &pool_key) {
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drop(connections);
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let client = client.lock().await;
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return db::oracle_driver::get_columns(&*client, &schema, &table).await;
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}
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}
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let connections = state.connections.lock().await;
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let pool = connections.get(&pool_key).ok_or("Pool not found")?;
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match pool {
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PoolKind::Mysql(p) => db::mysql::get_columns(p, &schema, &table).await,
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PoolKind::Postgres(p) => db::postgres::get_columns(p, &schema, &table).await,
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PoolKind::Sqlite(p) => db::sqlite::get_columns(p, &schema, &table).await,
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_ => Ok(vec![]),
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}
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}
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#[tauri::command]
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pub async fn list_indexes(
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state: State<'_, Arc<AppState>>,
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connection_id: String,
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database: String,
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schema: String,
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table: String,
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) -> Result<Vec<db::IndexInfo>, String> {
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let pool_key = state.get_or_create_pool(&connection_id, Some(&database)).await?;
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{
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let connections = state.connections.lock().await;
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if let Some(client) = extract_sqlserver(&connections, &pool_key) {
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drop(connections);
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let mut client = client.lock().await;
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return db::sqlserver::list_indexes(&mut client, &schema, &table).await;
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}
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if let Some(client) = extract_oracle(&connections, &pool_key) {
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drop(connections);
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let client = client.lock().await;
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return db::oracle_driver::list_indexes(&*client, &schema, &table).await;
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}
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}
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let connections = state.connections.lock().await;
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let pool = connections.get(&pool_key).ok_or("Pool not found")?;
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match pool {
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PoolKind::Mysql(p) => db::mysql::list_indexes(p, &schema, &table).await,
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PoolKind::Postgres(p) => db::postgres::list_indexes(p, &schema, &table).await,
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PoolKind::Sqlite(p) => db::sqlite::list_indexes(p, &schema, &table).await,
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_ => Ok(vec![]),
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}
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}
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#[tauri::command]
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pub async fn list_foreign_keys(
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state: State<'_, Arc<AppState>>,
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connection_id: String,
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database: String,
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schema: String,
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table: String,
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) -> Result<Vec<db::ForeignKeyInfo>, String> {
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let pool_key = state.get_or_create_pool(&connection_id, Some(&database)).await?;
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{
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let connections = state.connections.lock().await;
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if let Some(client) = extract_sqlserver(&connections, &pool_key) {
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drop(connections);
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let mut client = client.lock().await;
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return db::sqlserver::list_foreign_keys(&mut client, &schema, &table).await;
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}
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if let Some(client) = extract_oracle(&connections, &pool_key) {
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drop(connections);
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let client = client.lock().await;
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return db::oracle_driver::list_foreign_keys(&*client, &schema, &table).await;
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}
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}
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let connections = state.connections.lock().await;
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let pool = connections.get(&pool_key).ok_or("Pool not found")?;
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match pool {
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PoolKind::Mysql(p) => db::mysql::list_foreign_keys(p, &schema, &table).await,
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PoolKind::Postgres(p) => db::postgres::list_foreign_keys(p, &schema, &table).await,
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PoolKind::Sqlite(p) => db::sqlite::list_foreign_keys(p, &schema, &table).await,
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_ => Ok(vec![]),
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}
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}
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#[tauri::command]
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pub async fn list_triggers(
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state: State<'_, Arc<AppState>>,
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connection_id: String,
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database: String,
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schema: String,
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table: String,
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) -> Result<Vec<db::TriggerInfo>, String> {
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let pool_key = state.get_or_create_pool(&connection_id, Some(&database)).await?;
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{
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let connections = state.connections.lock().await;
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if let Some(client) = extract_sqlserver(&connections, &pool_key) {
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drop(connections);
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let mut client = client.lock().await;
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return db::sqlserver::list_triggers(&mut client, &schema, &table).await;
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}
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if let Some(client) = extract_oracle(&connections, &pool_key) {
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drop(connections);
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let client = client.lock().await;
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return db::oracle_driver::list_triggers(&*client, &schema, &table).await;
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}
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}
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let connections = state.connections.lock().await;
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let pool = connections.get(&pool_key).ok_or("Pool not found")?;
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match pool {
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PoolKind::Mysql(p) => db::mysql::list_triggers(p, &schema, &table).await,
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PoolKind::Postgres(p) => db::postgres::list_triggers(p, &schema, &table).await,
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PoolKind::Sqlite(p) => db::sqlite::list_triggers(p, &schema, &table).await,
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_ => Ok(vec![]),
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}
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}
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#[tauri::command]
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pub async fn get_table_ddl(
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state: State<'_, Arc<AppState>>,
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connection_id: String,
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database: String,
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schema: String,
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table: String,
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) -> Result<String, String> {
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let pool_key = state.get_or_create_pool(&connection_id, Some(&database)).await?;
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{
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let connections = state.connections.lock().await;
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if let Some(con) = extract_duckdb(&connections, &pool_key) {
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drop(connections);
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let tbl = table.replace('\'', "''");
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let con = con.lock().map_err(|e| e.to_string())?;
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let mut stmt = con.prepare(&format!("SELECT sql FROM duckdb_tables() WHERE table_name = '{tbl}'"))
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.map_err(|e| e.to_string())?;
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let mut rows = stmt.query([]).map_err(|e| e.to_string())?;
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if let Some(row) = rows.next().map_err(|e| e.to_string())? {
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return row.get::<_, String>(0).map_err(|e| e.to_string());
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}
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return Err("Table not found".to_string());
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}
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if let Some(client) = extract_clickhouse(&connections, &pool_key) {
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drop(connections);
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let result = db::clickhouse_driver::execute_query(&client, &database, &format!("SHOW CREATE TABLE `{table}`")).await?;
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return result.rows.first()
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.and_then(|r| r.first())
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.and_then(|v| v.as_str())
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.map(|s| s.to_string())
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.ok_or_else(|| "Table not found".to_string());
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}
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if let Some(client) = extract_sqlserver(&connections, &pool_key) {
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drop(connections);
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let mut client = client.lock().await;
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return build_sqlserver_ddl(&mut client, &schema, &table).await;
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}
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if let Some(client) = extract_oracle(&connections, &pool_key) {
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drop(connections);
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let client = client.lock().await;
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return build_oracle_ddl(&*client, &schema, &table).await;
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}
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}
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let connections = state.connections.lock().await;
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let pool = connections.get(&pool_key).ok_or("Pool not found")?;
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match pool {
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PoolKind::Mysql(p) => mysql_ddl(p, &table).await,
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PoolKind::Postgres(p) => pg_ddl(p, &schema, &table).await,
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PoolKind::Sqlite(p) => sqlite_ddl(p, &table).await,
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_ => Err("DDL not supported for this database type".to_string()),
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}
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}
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async fn mysql_ddl(pool: &sqlx::mysql::MySqlPool, table: &str) -> Result<String, String> {
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use sqlx::Row;
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let sql = format!("SHOW CREATE TABLE `{}`", table.replace('`', "``"));
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let row: sqlx::mysql::MySqlRow = sqlx::raw_sql(&sql)
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.fetch_one(pool).await.map_err(|e| e.to_string())?;
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row.try_get::<String, _>(1)
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.or_else(|_| row.try_get::<Vec<u8>, _>(1).map(|b| String::from_utf8_lossy(&b).to_string()))
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.map_err(|e| e.to_string())
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}
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async fn sqlite_ddl(pool: &sqlx::sqlite::SqlitePool, table: &str) -> Result<String, String> {
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use sqlx::Row;
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let row: sqlx::sqlite::SqliteRow = sqlx::query("SELECT sql FROM sqlite_master WHERE type='table' AND name=?")
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.bind(table)
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.fetch_one(pool).await.map_err(|e| e.to_string())?;
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row.try_get::<String, _>(0).map_err(|e| e.to_string())
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}
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async fn pg_ddl(pool: &sqlx::postgres::PgPool, schema: &str, table: &str) -> Result<String, String> {
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let columns = db::postgres::get_columns(pool, schema, table).await?;
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let indexes = db::postgres::list_indexes(pool, schema, table).await?;
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let fkeys = db::postgres::list_foreign_keys(pool, schema, table).await?;
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let mut ddl = format!("CREATE TABLE \"{schema}\".\"{table}\" (\n");
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let col_lines: Vec<String> = columns.iter().map(|c| {
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let mut line = format!(" \"{}\" {}", c.name, c.data_type);
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if !c.is_nullable { line.push_str(" NOT NULL"); }
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if let Some(ref def) = c.column_default { line.push_str(&format!(" DEFAULT {def}")); }
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line
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}).collect();
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ddl.push_str(&col_lines.join(",\n"));
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let pks: Vec<&str> = columns.iter().filter(|c| c.is_primary_key).map(|c| c.name.as_str()).collect();
|
|
if !pks.is_empty() {
|
|
ddl.push_str(&format!(",\n PRIMARY KEY ({})", pks.iter().map(|k| format!("\"{k}\"")).collect::<Vec<_>>().join(", ")));
|
|
}
|
|
for fk in &fkeys {
|
|
ddl.push_str(&format!(",\n CONSTRAINT \"{}\" FOREIGN KEY (\"{}\") REFERENCES \"{}\"(\"{}\")", fk.name, fk.column, fk.ref_table, fk.ref_column));
|
|
}
|
|
ddl.push_str("\n);\n");
|
|
|
|
for idx in &indexes {
|
|
if idx.is_primary { continue; }
|
|
let unique = if idx.is_unique { "UNIQUE " } else { "" };
|
|
let cols = idx.columns.iter().map(|c| format!("\"{c}\"")).collect::<Vec<_>>().join(", ");
|
|
ddl.push_str(&format!("\nCREATE {unique}INDEX \"{}\" ON \"{schema}\".\"{table}\" ({cols});", idx.name));
|
|
}
|
|
Ok(ddl)
|
|
}
|
|
|
|
async fn build_sqlserver_ddl(client: &mut db::sqlserver::SqlServerClient, schema: &str, table: &str) -> Result<String, String> {
|
|
let columns = db::sqlserver::get_columns(client, schema, table).await?;
|
|
let indexes = db::sqlserver::list_indexes(client, schema, table).await?;
|
|
let fkeys = db::sqlserver::list_foreign_keys(client, schema, table).await?;
|
|
|
|
let mut ddl = format!("CREATE TABLE [{schema}].[{table}] (\n");
|
|
let col_lines: Vec<String> = columns.iter().map(|c| {
|
|
let mut line = format!(" [{}] {}", c.name, c.data_type);
|
|
if !c.is_nullable { line.push_str(" NOT NULL"); }
|
|
if let Some(ref def) = c.column_default { line.push_str(&format!(" DEFAULT {def}")); }
|
|
line
|
|
}).collect();
|
|
ddl.push_str(&col_lines.join(",\n"));
|
|
|
|
let pks: Vec<&str> = columns.iter().filter(|c| c.is_primary_key).map(|c| c.name.as_str()).collect();
|
|
if !pks.is_empty() {
|
|
ddl.push_str(&format!(",\n PRIMARY KEY ({})", pks.iter().map(|k| format!("[{k}]")).collect::<Vec<_>>().join(", ")));
|
|
}
|
|
for fk in &fkeys {
|
|
ddl.push_str(&format!(",\n CONSTRAINT [{}] FOREIGN KEY ([{}]) REFERENCES [{}]([{}])", fk.name, fk.column, fk.ref_table, fk.ref_column));
|
|
}
|
|
ddl.push_str("\n);\n");
|
|
|
|
for idx in &indexes {
|
|
if idx.is_primary { continue; }
|
|
let unique = if idx.is_unique { "UNIQUE " } else { "" };
|
|
let cols = idx.columns.iter().map(|c| format!("[{c}]")).collect::<Vec<_>>().join(", ");
|
|
ddl.push_str(&format!("\nCREATE {unique}INDEX [{}] ON [{schema}].[{table}] ({cols});", idx.name));
|
|
}
|
|
Ok(ddl)
|
|
}
|
|
|
|
async fn build_oracle_ddl(client: &db::oracle_driver::OracleClient, schema: &str, table: &str) -> Result<String, String> {
|
|
let columns = db::oracle_driver::get_columns(client, schema, table).await?;
|
|
let indexes = db::oracle_driver::list_indexes(client, schema, table).await?;
|
|
let fkeys = db::oracle_driver::list_foreign_keys(client, schema, table).await?;
|
|
|
|
let mut ddl = format!("CREATE TABLE \"{schema}\".\"{table}\" (\n");
|
|
let col_lines: Vec<String> = columns.iter().map(|c| {
|
|
let mut line = format!(" \"{}\" {}", c.name, c.data_type);
|
|
if !c.is_nullable { line.push_str(" NOT NULL"); }
|
|
if let Some(ref def) = c.column_default { line.push_str(&format!(" DEFAULT {def}")); }
|
|
line
|
|
}).collect();
|
|
ddl.push_str(&col_lines.join(",\n"));
|
|
|
|
let pks: Vec<&str> = columns.iter().filter(|c| c.is_primary_key).map(|c| c.name.as_str()).collect();
|
|
if !pks.is_empty() {
|
|
ddl.push_str(&format!(",\n PRIMARY KEY ({})", pks.iter().map(|k| format!("\"{k}\"")).collect::<Vec<_>>().join(", ")));
|
|
}
|
|
for fk in &fkeys {
|
|
ddl.push_str(&format!(",\n CONSTRAINT \"{}\" FOREIGN KEY (\"{}\") REFERENCES \"{}\"(\"{}\")", fk.name, fk.column, fk.ref_table, fk.ref_column));
|
|
}
|
|
ddl.push_str("\n);\n");
|
|
|
|
for idx in &indexes {
|
|
if idx.is_primary { continue; }
|
|
let unique = if idx.is_unique { "UNIQUE " } else { "" };
|
|
let cols = idx.columns.iter().map(|c| format!("\"{c}\"")).collect::<Vec<_>>().join(", ");
|
|
ddl.push_str(&format!("\nCREATE {unique}INDEX \"{}\" ON \"{schema}\".\"{table}\" ({cols});", idx.name));
|
|
}
|
|
Ok(ddl)
|
|
}
|