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feat: add support for bare MySQL connections and improve SQL query handling for doris

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t8y2
2026-05-02 21:51:50 +08:00
parent eab5556b6f
commit 44c98ba335
4 changed files with 100 additions and 62 deletions
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src-tauri/src/db/mysql.rs
+60 -51
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@@ -1,11 +1,15 @@
use chrono::{DateTime, NaiveDate, NaiveDateTime, NaiveTime, Utc};
use rust_decimal::Decimal;
use sqlx::mysql::{MySqlPool, MySqlPoolOptions, MySqlRow};
use sqlx::{Column, Executor, Row, TypeInfo, ValueRef};
use sqlx::{Column, Row, TypeInfo, ValueRef};
use std::time::{Duration, Instant};
use super::{ColumnInfo, DatabaseInfo, ForeignKeyInfo, IndexInfo, QueryResult, TableInfo, TriggerInfo};
fn quote_value(s: &str) -> String {
format!("'{}'", s.replace('\\', "\\\\").replace('\'', "\\'"))
}
fn get_str(row: &MySqlRow, idx: usize) -> String {
row.try_get::<String, _>(idx)
.or_else(|_| row.try_get::<Vec<u8>, _>(idx).map(|b| String::from_utf8_lossy(&b).to_string()))
@@ -168,7 +172,7 @@ pub async fn connect_bare(url: &str) -> Result<MySqlPool, String> {
}
pub async fn list_databases(pool: &MySqlPool) -> Result<Vec<DatabaseInfo>, String> {
let rows: Vec<MySqlRow> = sqlx::query("SELECT SCHEMA_NAME FROM information_schema.SCHEMATA ORDER BY SCHEMA_NAME")
let rows: Vec<MySqlRow> = sqlx::raw_sql("SELECT SCHEMA_NAME FROM information_schema.SCHEMATA ORDER BY SCHEMA_NAME")
.fetch_all(pool)
.await
.map_err(|e| e.to_string())?;
@@ -177,13 +181,14 @@ pub async fn list_databases(pool: &MySqlPool) -> Result<Vec<DatabaseInfo>, Strin
}
pub async fn list_tables(pool: &MySqlPool, database: &str) -> Result<Vec<TableInfo>, String> {
let rows: Vec<MySqlRow> = sqlx::query(
"SELECT TABLE_NAME, TABLE_TYPE FROM information_schema.TABLES WHERE TABLE_SCHEMA = ? ORDER BY TABLE_NAME",
)
.bind(database)
.fetch_all(pool)
.await
.map_err(|e| e.to_string())?;
let sql = format!(
"SELECT TABLE_NAME, TABLE_TYPE FROM information_schema.TABLES WHERE TABLE_SCHEMA = {} ORDER BY TABLE_NAME",
quote_value(database),
);
let rows: Vec<MySqlRow> = sqlx::raw_sql(&sql)
.fetch_all(pool)
.await
.map_err(|e| e.to_string())?;
Ok(rows
.iter()
@@ -199,7 +204,7 @@ pub async fn get_columns(
database: &str,
table: &str,
) -> Result<Vec<ColumnInfo>, String> {
let rows: Vec<MySqlRow> = sqlx::query(
let sql = format!(
"SELECT c.COLUMN_NAME, c.DATA_TYPE, c.IS_NULLABLE, c.COLUMN_DEFAULT, c.EXTRA, c.COLUMN_COMMENT, \
CASE WHEN kcu.COLUMN_NAME IS NOT NULL THEN 1 ELSE 0 END AS IS_PK, \
c.NUMERIC_PRECISION, c.NUMERIC_SCALE \
@@ -209,14 +214,15 @@ pub async fn get_columns(
AND c.TABLE_NAME = kcu.TABLE_NAME \
AND c.COLUMN_NAME = kcu.COLUMN_NAME \
AND kcu.CONSTRAINT_NAME = 'PRIMARY' \
WHERE c.TABLE_SCHEMA = ? AND c.TABLE_NAME = ? \
WHERE c.TABLE_SCHEMA = {} AND c.TABLE_NAME = {} \
ORDER BY c.ORDINAL_POSITION",
)
.bind(database)
.bind(table)
.fetch_all(pool)
.await
.map_err(|e| e.to_string())?;
quote_value(database),
quote_value(table),
);
let rows: Vec<MySqlRow> = sqlx::raw_sql(&sql)
.fetch_all(pool)
.await
.map_err(|e| e.to_string())?;
Ok(rows
.iter()
@@ -239,19 +245,19 @@ pub async fn execute_query(pool: &MySqlPool, sql: &str) -> Result<QueryResult, S
let trimmed = sql.trim().to_uppercase();
if trimmed.starts_with("SELECT") || trimmed.starts_with("SHOW") || trimmed.starts_with("DESCRIBE") || trimmed.starts_with("EXPLAIN") {
let desc = pool.describe(sql).await.map_err(|e| e.to_string())?;
let columns: Vec<String> = desc.columns().iter().map(|c| c.name().to_string()).collect();
let column_types: Vec<String> = desc
.columns()
.iter()
.map(|c| c.type_info().name().to_string())
.collect();
let rows: Vec<MySqlRow> = sqlx::query(sql)
let rows: Vec<MySqlRow> = sqlx::raw_sql(sql)
.fetch_all(pool)
.await
.map_err(|e| e.to_string())?;
let (columns, column_types) = if let Some(first) = rows.first() {
let cols: Vec<String> = first.columns().iter().map(|c| c.name().to_string()).collect();
let types: Vec<String> = first.columns().iter().map(|c| c.type_info().name().to_string()).collect();
(cols, types)
} else {
(vec![], vec![])
};
let result_rows: Vec<Vec<serde_json::Value>> = rows
.iter()
.map(|row| {
@@ -269,7 +275,7 @@ pub async fn execute_query(pool: &MySqlPool, sql: &str) -> Result<QueryResult, S
truncated: false,
})
} else {
let result = sqlx::query(sql)
let result = sqlx::raw_sql(sql)
.execute(pool)
.await
.map_err(|e| e.to_string())?;
@@ -285,19 +291,20 @@ pub async fn execute_query(pool: &MySqlPool, sql: &str) -> Result<QueryResult, S
}
pub async fn list_indexes(pool: &MySqlPool, database: &str, table: &str) -> Result<Vec<IndexInfo>, String> {
let rows: Vec<MySqlRow> = sqlx::query(
let sql = format!(
"SELECT INDEX_NAME, GROUP_CONCAT(COLUMN_NAME ORDER BY SEQ_IN_INDEX) AS columns, \
NOT NON_UNIQUE AS is_unique, INDEX_NAME = 'PRIMARY' AS is_primary \
FROM information_schema.STATISTICS \
WHERE TABLE_SCHEMA = ? AND TABLE_NAME = ? \
WHERE TABLE_SCHEMA = {} AND TABLE_NAME = {} \
GROUP BY INDEX_NAME, NON_UNIQUE \
ORDER BY INDEX_NAME",
)
.bind(database)
.bind(table)
.fetch_all(pool)
.await
.map_err(|e| e.to_string())?;
quote_value(database),
quote_value(table),
);
let rows: Vec<MySqlRow> = sqlx::raw_sql(&sql)
.fetch_all(pool)
.await
.map_err(|e| e.to_string())?;
Ok(rows
.iter()
@@ -314,19 +321,20 @@ pub async fn list_indexes(pool: &MySqlPool, database: &str, table: &str) -> Resu
}
pub async fn list_foreign_keys(pool: &MySqlPool, database: &str, table: &str) -> Result<Vec<ForeignKeyInfo>, String> {
let rows: Vec<MySqlRow> = sqlx::query(
let sql = format!(
"SELECT kcu.CONSTRAINT_NAME, kcu.COLUMN_NAME, \
kcu.REFERENCED_TABLE_NAME, kcu.REFERENCED_COLUMN_NAME \
FROM information_schema.KEY_COLUMN_USAGE kcu \
WHERE kcu.TABLE_SCHEMA = ? AND kcu.TABLE_NAME = ? \
WHERE kcu.TABLE_SCHEMA = {} AND kcu.TABLE_NAME = {} \
AND kcu.REFERENCED_TABLE_NAME IS NOT NULL \
ORDER BY kcu.CONSTRAINT_NAME",
)
.bind(database)
.bind(table)
.fetch_all(pool)
.await
.map_err(|e| e.to_string())?;
quote_value(database),
quote_value(table),
);
let rows: Vec<MySqlRow> = sqlx::raw_sql(&sql)
.fetch_all(pool)
.await
.map_err(|e| e.to_string())?;
Ok(rows
.iter()
@@ -340,17 +348,18 @@ pub async fn list_foreign_keys(pool: &MySqlPool, database: &str, table: &str) ->
}
pub async fn list_triggers(pool: &MySqlPool, database: &str, table: &str) -> Result<Vec<TriggerInfo>, String> {
let rows: Vec<MySqlRow> = sqlx::query(
let sql = format!(
"SELECT TRIGGER_NAME, EVENT_MANIPULATION, ACTION_TIMING \
FROM information_schema.TRIGGERS \
WHERE TRIGGER_SCHEMA = ? AND EVENT_OBJECT_TABLE = ? \
WHERE TRIGGER_SCHEMA = {} AND EVENT_OBJECT_TABLE = {} \
ORDER BY TRIGGER_NAME",
)
.bind(database)
.bind(table)
.fetch_all(pool)
.await
.map_err(|e| e.to_string())?;
quote_value(database),
quote_value(table),
);
let rows: Vec<MySqlRow> = sqlx::raw_sql(&sql)
.fetch_all(pool)
.await
.map_err(|e| e.to_string())?;
Ok(rows
.iter()