🐛 fix(backup-export): 修复批量备份未区分视图与表导致导出失败

- 批量操作弹窗按“表/视图”分组展示并支持混合勾选
- 批量导出改为对象集合传参,统一结构/数据导出入口
- SQL 导出链路新增视图识别与排序,避免将视图当表处理
- 增加多方言视图 DDL 查询与回退逻辑,规避 create statement not found
- 视图数据导出阶段自动跳过并追加说明注释
- refs #117
This commit is contained in:
Syngnat
2026-02-26 13:45:17 +08:00
parent 91658848c9
commit 50d92d3184
2 changed files with 566 additions and 50 deletions

View File

@@ -46,6 +46,15 @@ interface TreeNode {
}
type BatchTableExportMode = 'schema' | 'backup' | 'dataOnly';
type BatchObjectType = 'table' | 'view';
interface BatchObjectItem {
title: string;
key: string;
objectName: string;
objectType: BatchObjectType;
dataRef: any;
}
const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }> = ({ onEditConnection }) => {
const connections = useStore(state => state.connections);
@@ -118,12 +127,17 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
// Batch Operations Modal
const [isBatchModalOpen, setIsBatchModalOpen] = useState(false);
const [batchTables, setBatchTables] = useState<any[]>([]);
const [batchTables, setBatchTables] = useState<BatchObjectItem[]>([]);
const [checkedTableKeys, setCheckedTableKeys] = useState<string[]>([]);
const [batchDbContext, setBatchDbContext] = useState<any>(null);
const [selectedConnection, setSelectedConnection] = useState<string>('');
const [selectedDatabase, setSelectedDatabase] = useState<string>('');
const [availableDatabases, setAvailableDatabases] = useState<any[]>([]);
const groupedBatchObjects = useMemo(() => {
const tables = batchTables.filter(item => item.objectType === 'table');
const views = batchTables.filter(item => item.objectType === 'view');
return { tables, views };
}, [batchTables]);
// Batch Database Operations Modal
const [isBatchDbModalOpen, setIsBatchDbModalOpen] = useState(false);
@@ -1288,7 +1302,7 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
if (node.type === 'database') {
connId = node.dataRef.id;
dbName = node.title;
} else if (node.type === 'table') {
} else if (node.type === 'table' || node.type === 'view') {
connId = node.dataRef.id;
dbName = node.dataRef.dbName;
}
@@ -1356,23 +1370,42 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
ssh: conn.config.ssh || { host: "", port: 22, user: "", password: "", keyPath: "" }
};
const res = await DBGetTables(config as any, dbName);
if (res.success) {
const tables = (res.data as any[]).map((row: any) => {
const tableName = Object.values(row)[0] as string;
return {
title: tableName,
key: `${conn.id}-${dbName}-${tableName}`,
tableName: tableName,
dataRef: { ...conn, tableName, dbName }
};
});
const [res, viewResult] = await Promise.all([
DBGetTables(config as any, dbName),
loadViews(conn, dbName).catch(() => ({ views: [], supported: false })),
]);
setBatchTables(tables);
setCheckedTableKeys([]);
} else {
if (!res.success) {
message.error('获取表列表失败: ' + res.message);
return;
}
const viewSet = new Set(viewResult.views.map(view => view.toLowerCase()));
const tableObjects: BatchObjectItem[] = (res.data as any[])
.map((row: any) => Object.values(row)[0] as string)
.filter((tableName: string) => !viewSet.has(tableName.toLowerCase()))
.map((tableName: string) => ({
title: getSidebarTableDisplayName(conn, tableName),
key: `${conn.id}-${dbName}-table-${tableName}`,
objectName: tableName,
objectType: 'table' as const,
dataRef: { ...conn, tableName, dbName, objectType: 'table' },
}));
const viewObjects: BatchObjectItem[] = viewResult.views.map((viewName: string) => ({
title: getSidebarTableDisplayName(conn, viewName),
key: `${conn.id}-${dbName}-view-${viewName}`,
objectName: viewName,
objectType: 'view' as const,
dataRef: { ...conn, tableName: viewName, dbName, objectType: 'view' },
}));
tableObjects.sort((a, b) => a.title.toLowerCase().localeCompare(b.title.toLowerCase()));
viewObjects.sort((a, b) => a.title.toLowerCase().localeCompare(b.title.toLowerCase()));
setBatchTables([...tableObjects, ...viewObjects]);
setCheckedTableKeys([]);
};
const handleConnectionChange = async (connId: string) => {
@@ -1397,31 +1430,36 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
};
const handleBatchExport = async (mode: BatchTableExportMode) => {
const selectedTables = batchTables.filter(t => checkedTableKeys.includes(t.key));
if (selectedTables.length === 0) {
message.warning('请至少选择一张表');
const selectedObjects = batchTables.filter(t => checkedTableKeys.includes(t.key));
if (selectedObjects.length === 0) {
message.warning('请至少选择一个对象');
return;
}
setIsBatchModalOpen(false);
const { conn, dbName } = batchDbContext;
const tableNames = selectedTables.map(t => t.tableName);
const objectNames = selectedObjects.map(t => t.objectName);
const selectedViewCount = selectedObjects.filter(item => item.objectType === 'view').length;
const loadingText = mode === 'backup'
? `正在备份选中 (${tableNames.length})...`
? `正在备份选中对象 (${objectNames.length})...`
: mode === 'dataOnly'
? `正在导出选中数据 (INSERT) (${tableNames.length})...`
: `正在导出选中结构 (${tableNames.length})...`;
? `正在导出选中对象数据 (INSERT) (${objectNames.length})...`
: `正在导出选中对象结构 (${objectNames.length})...`;
const hide = message.loading(loadingText, 0);
try {
const app = (window as any).go.app.App;
const res = mode === 'dataOnly'
? await app.ExportTablesDataSQL(normalizeConnConfig(conn.config), dbName, tableNames)
: await app.ExportTablesSQL(normalizeConnConfig(conn.config), dbName, tableNames, mode === 'backup');
? await app.ExportTablesDataSQL(normalizeConnConfig(conn.config), dbName, objectNames)
: await app.ExportTablesSQL(normalizeConnConfig(conn.config), dbName, objectNames, mode === 'backup');
hide();
if (res.success) {
message.success('导出成功');
if (mode !== 'schema' && selectedViewCount > 0) {
message.success(`导出成功(已自动跳过 ${selectedViewCount} 个视图的数据导出)`);
} else {
message.success('导出成功');
}
} else if (res.message !== 'Cancelled') {
message.error('导出失败: ' + res.message);
}
@@ -2859,7 +2897,7 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
</Button>
<span style={{ color: '#999' }}>
{checkedTableKeys.length} / {batchTables.length}
{checkedTableKeys.length} / {batchTables.length}
</span>
</Space>
</div>
@@ -2869,14 +2907,38 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
onChange={(values) => setCheckedTableKeys(values as string[])}
style={{ width: '100%' }}
>
<Space direction="vertical" style={{ width: '100%' }}>
{batchTables.map(table => (
<Checkbox key={table.key} value={table.key}>
<TableOutlined style={{ marginRight: 8 }} />
{table.title}
</Checkbox>
))}
</Space>
<div style={{ display: 'flex', flexDirection: 'column', gap: 10 }}>
{groupedBatchObjects.tables.length > 0 && (
<div>
<div style={{ marginBottom: 6, color: darkMode ? '#bfbfbf' : '#595959', fontSize: 12 }}>
({groupedBatchObjects.tables.length})
</div>
<Space direction="vertical" style={{ width: '100%' }}>
{groupedBatchObjects.tables.map(table => (
<Checkbox key={table.key} value={table.key}>
<TableOutlined style={{ marginRight: 8 }} />
{table.title}
</Checkbox>
))}
</Space>
</div>
)}
{groupedBatchObjects.views.length > 0 && (
<div>
<div style={{ marginBottom: 6, color: darkMode ? '#bfbfbf' : '#595959', fontSize: 12 }}>
({groupedBatchObjects.views.length})
</div>
<Space direction="vertical" style={{ width: '100%' }}>
{groupedBatchObjects.views.map(view => (
<Checkbox key={view.key} value={view.key}>
<EyeOutlined style={{ marginRight: 8 }} />
{view.title}
</Checkbox>
))}
</Space>
</div>
)}
</div>
</Checkbox.Group>
</div>
</>

View File

@@ -485,7 +485,8 @@ func (a *App) ExportTable(config connection.ConnectionConfig, dbName string, tab
if err := writeSQLHeader(w, runConfig, dbName); err != nil {
return connection.QueryResult{Success: false, Message: err.Error()}
}
if err := dumpTableSQL(w, dbInst, runConfig, dbName, tableName, true, true); err != nil {
viewLookup := listViewNameLookup(dbInst, runConfig, dbName)
if err := dumpTableSQL(w, dbInst, runConfig, dbName, tableName, true, true, viewLookup); err != nil {
return connection.QueryResult{Success: false, Message: err.Error()}
}
if err := writeSQLFooter(w, runConfig); err != nil {
@@ -556,7 +557,7 @@ func (a *App) exportTablesSQL(config connection.ConnectionConfig, dbName string,
return connection.QueryResult{Success: false, Message: err.Error()}
}
tables := make([]string, 0, len(tableNames))
objects := make([]string, 0, len(tableNames))
seen := make(map[string]struct{}, len(tableNames))
for _, t := range tableNames {
t = strings.TrimSpace(t)
@@ -567,9 +568,10 @@ func (a *App) exportTablesSQL(config connection.ConnectionConfig, dbName string,
continue
}
seen[t] = struct{}{}
tables = append(tables, t)
objects = append(objects, t)
}
sort.Strings(tables)
viewLookup := listViewNameLookup(dbInst, runConfig, dbName)
objects = buildExportObjectOrder(runConfig, dbName, objects, viewLookup, false)
f, err := os.Create(filename)
if err != nil {
@@ -583,8 +585,8 @@ func (a *App) exportTablesSQL(config connection.ConnectionConfig, dbName string,
if err := writeSQLHeader(w, runConfig, dbName); err != nil {
return connection.QueryResult{Success: false, Message: err.Error()}
}
for _, t := range tables {
if err := dumpTableSQL(w, dbInst, runConfig, dbName, t, includeSchema, includeData); err != nil {
for _, objectName := range objects {
if err := dumpTableSQL(w, dbInst, runConfig, dbName, objectName, includeSchema, includeData, viewLookup); err != nil {
return connection.QueryResult{Success: false, Message: err.Error()}
}
}
@@ -623,7 +625,8 @@ func (a *App) ExportDatabaseSQL(config connection.ConnectionConfig, dbName strin
if err != nil {
return connection.QueryResult{Success: false, Message: err.Error()}
}
sort.Strings(tables)
viewLookup := listViewNameLookup(dbInst, runConfig, dbName)
objects := buildExportObjectOrder(runConfig, dbName, tables, viewLookup, true)
f, err := os.Create(filename)
if err != nil {
@@ -637,8 +640,8 @@ func (a *App) ExportDatabaseSQL(config connection.ConnectionConfig, dbName strin
if err := writeSQLHeader(w, runConfig, dbName); err != nil {
return connection.QueryResult{Success: false, Message: err.Error()}
}
for _, t := range tables {
if err := dumpTableSQL(w, dbInst, runConfig, dbName, t, true, includeData); err != nil {
for _, objectName := range objects {
if err := dumpTableSQL(w, dbInst, runConfig, dbName, objectName, true, includeData, viewLookup); err != nil {
return connection.QueryResult{Success: false, Message: err.Error()}
}
}
@@ -743,6 +746,404 @@ func ensureSQLTerminator(sql string) string {
return sql + ";"
}
func buildExportObjectOrder(
config connection.ConnectionConfig,
dbName string,
rawObjects []string,
viewLookup map[string]string,
includeAllViews bool,
) []string {
tableSet := make(map[string]string, len(rawObjects))
viewSet := make(map[string]string, len(rawObjects))
for _, rawName := range rawObjects {
objectName := strings.TrimSpace(rawName)
if objectName == "" {
continue
}
key := normalizeExportObjectKey(config, dbName, objectName)
if key == "" {
continue
}
if canonicalViewName, ok := viewLookup[key]; ok {
if strings.TrimSpace(canonicalViewName) == "" {
canonicalViewName = objectName
}
viewSet[key] = canonicalViewName
delete(tableSet, key)
continue
}
if _, isView := viewSet[key]; isView {
continue
}
if _, exists := tableSet[key]; !exists {
tableSet[key] = objectName
}
}
if includeAllViews {
for key, viewName := range viewLookup {
canonicalViewName := strings.TrimSpace(viewName)
if canonicalViewName == "" {
continue
}
viewSet[key] = canonicalViewName
delete(tableSet, key)
}
}
tables := mapValuesSorted(tableSet)
views := mapValuesSorted(viewSet)
return append(tables, views...)
}
func mapValuesSorted(values map[string]string) []string {
if len(values) == 0 {
return nil
}
result := make([]string, 0, len(values))
for _, value := range values {
value = strings.TrimSpace(value)
if value == "" {
continue
}
result = append(result, value)
}
sort.Strings(result)
return result
}
func normalizeExportObjectKey(config connection.ConnectionConfig, dbName string, objectName string) string {
schemaName, pureName := normalizeSchemaAndTable(config, dbName, objectName)
return normalizeExportObjectKeyByParts(schemaName, pureName)
}
func normalizeExportObjectKeyByParts(schemaName, objectName string) string {
return strings.ToLower(strings.TrimSpace(qualifyTable(schemaName, objectName)))
}
func listViewNameLookup(dbInst db.Database, config connection.ConnectionConfig, dbName string) map[string]string {
viewLookup := make(map[string]string)
queries := buildListViewQueries(config, dbName)
for _, query := range queries {
if strings.TrimSpace(query) == "" {
continue
}
rows, _, err := dbInst.Query(query)
if err != nil {
continue
}
for _, row := range rows {
tableType := strings.ToUpper(exportRowValueCI(row, "table_type", "type"))
if tableType != "" && tableType != "VIEW" {
continue
}
schemaName := exportRowValueCI(row, "schema_name", "table_schema", "owner", "schema", "db")
viewName := exportRowValueCI(row, "object_name", "view_name", "table_name", "name")
if viewName == "" {
viewName = exportInferObjectName(row)
}
if strings.TrimSpace(viewName) == "" {
continue
}
fullName := strings.TrimSpace(qualifyTable(schemaName, viewName))
if fullName == "" {
fullName = strings.TrimSpace(viewName)
}
key := normalizeExportObjectKey(config, dbName, fullName)
if key == "" {
continue
}
if _, exists := viewLookup[key]; !exists {
viewLookup[key] = fullName
}
}
}
return viewLookup
}
func buildListViewQueries(config connection.ConnectionConfig, dbName string) []string {
dbType := resolveDDLDBType(config)
escapedDbName := escapeSQLLiteral(dbName)
switch dbType {
case "mysql", "mariadb", "diros", "sphinx":
queries := []string{
fmt.Sprintf(`SELECT TABLE_SCHEMA AS schema_name, TABLE_NAME AS object_name, TABLE_TYPE AS table_type FROM information_schema.tables WHERE TABLE_TYPE='VIEW' AND TABLE_SCHEMA='%s' ORDER BY TABLE_NAME`, escapedDbName),
}
if strings.TrimSpace(dbName) != "" {
queries = append(queries, fmt.Sprintf("SHOW FULL TABLES FROM %s WHERE Table_type = 'VIEW'", quoteIdentByType("mysql", dbName)))
}
return queries
case "postgres", "kingbase", "highgo", "vastbase":
return []string{
`SELECT table_schema AS schema_name, table_name AS object_name FROM information_schema.views WHERE table_schema NOT IN ('pg_catalog', 'information_schema') ORDER BY table_schema, table_name`,
}
case "sqlserver":
safeDBName := strings.TrimSpace(config.Database)
if safeDBName == "" {
safeDBName = strings.TrimSpace(dbName)
}
if safeDBName == "" {
return nil
}
safeDB := quoteIdentByType("sqlserver", safeDBName)
return []string{
fmt.Sprintf(`SELECT s.name AS schema_name, v.name AS object_name FROM %s.sys.views v JOIN %s.sys.schemas s ON v.schema_id = s.schema_id ORDER BY s.name, v.name`, safeDB, safeDB),
}
case "oracle", "dameng":
if strings.TrimSpace(dbName) == "" {
return []string{
`SELECT VIEW_NAME AS object_name FROM user_views ORDER BY VIEW_NAME`,
}
}
return []string{
fmt.Sprintf("SELECT OWNER AS schema_name, VIEW_NAME AS object_name FROM all_views WHERE OWNER = '%s' ORDER BY VIEW_NAME", strings.ToUpper(escapedDbName)),
}
case "sqlite":
return []string{
"SELECT name AS object_name FROM sqlite_master WHERE type='view' ORDER BY name",
}
case "duckdb":
return []string{
`SELECT table_schema AS schema_name, table_name AS object_name FROM information_schema.views WHERE table_schema NOT IN ('information_schema', 'pg_catalog') ORDER BY table_schema, table_name`,
}
default:
if strings.TrimSpace(dbName) == "" {
return []string{
`SELECT table_schema AS schema_name, table_name AS object_name FROM information_schema.views`,
}
}
return []string{
fmt.Sprintf(`SELECT table_schema AS schema_name, table_name AS object_name FROM information_schema.views WHERE table_schema='%s'`, escapedDbName),
}
}
}
func tryGetViewCreateStatement(
dbInst db.Database,
config connection.ConnectionConfig,
dbName string,
schemaName string,
viewName string,
) (string, bool) {
queries := buildViewCreateQueries(config, dbName, schemaName, viewName)
for _, query := range queries {
if strings.TrimSpace(query) == "" {
continue
}
rows, _, err := dbInst.Query(query)
if err != nil || len(rows) == 0 {
continue
}
createSQL := strings.TrimSpace(extractViewCreateSQL(rows[0]))
if createSQL == "" {
continue
}
if looksLikeSelectOrWith(createSQL) {
qualifiedView := qualifyTable(schemaName, viewName)
createSQL = fmt.Sprintf("CREATE VIEW %s AS %s", quoteQualifiedIdentByType(config.Type, qualifiedView), strings.TrimSuffix(strings.TrimSpace(createSQL), ";"))
}
return ensureSQLTerminator(createSQL), true
}
return "", false
}
func buildViewCreateQueries(config connection.ConnectionConfig, dbName, schemaName, viewName string) []string {
dbType := resolveDDLDBType(config)
safeSchema := strings.TrimSpace(schemaName)
safeView := strings.TrimSpace(viewName)
if safeView == "" {
return nil
}
escapedSchema := escapeSQLLiteral(safeSchema)
escapedView := escapeSQLLiteral(safeView)
escapedDB := escapeSQLLiteral(dbName)
switch dbType {
case "mysql", "mariadb", "diros", "sphinx":
if safeSchema == "" {
safeSchema = strings.TrimSpace(dbName)
}
if safeSchema != "" {
return []string{
fmt.Sprintf("SHOW CREATE VIEW %s.%s", quoteIdentByType("mysql", safeSchema), quoteIdentByType("mysql", safeView)),
}
}
return []string{
fmt.Sprintf("SHOW CREATE VIEW %s", quoteIdentByType("mysql", safeView)),
}
case "postgres", "kingbase", "highgo", "vastbase":
if safeSchema == "" {
safeSchema = "public"
}
regClassName := fmt.Sprintf(`"%s"."%s"`, strings.ReplaceAll(safeSchema, `"`, `""`), strings.ReplaceAll(safeView, `"`, `""`))
regClassName = strings.ReplaceAll(regClassName, "'", "''")
return []string{
fmt.Sprintf("SELECT pg_get_viewdef('%s'::regclass, true) AS ddl", regClassName),
}
case "sqlserver":
schema := safeSchema
if schema == "" {
schema = "dbo"
}
safeDBName := strings.TrimSpace(config.Database)
if safeDBName == "" {
safeDBName = strings.TrimSpace(dbName)
}
if safeDBName == "" {
return nil
}
safeDB := quoteIdentByType("sqlserver", safeDBName)
return []string{
fmt.Sprintf(`SELECT m.definition AS ddl
FROM %s.sys.views v
JOIN %s.sys.schemas s ON v.schema_id = s.schema_id
JOIN %s.sys.sql_modules m ON v.object_id = m.object_id
WHERE s.name = '%s' AND v.name = '%s'`,
safeDB, safeDB, safeDB, escapeSQLLiteral(schema), escapedView),
}
case "oracle", "dameng":
if safeSchema == "" {
safeSchema = strings.TrimSpace(dbName)
}
if safeSchema != "" {
return []string{
fmt.Sprintf("SELECT DBMS_METADATA.GET_DDL('VIEW', '%s', '%s') AS ddl FROM DUAL", strings.ToUpper(escapedView), strings.ToUpper(escapeSQLLiteral(safeSchema))),
}
}
return []string{
fmt.Sprintf("SELECT DBMS_METADATA.GET_DDL('VIEW', '%s') AS ddl FROM DUAL", strings.ToUpper(escapedView)),
}
case "sqlite":
return []string{
fmt.Sprintf("SELECT sql AS ddl FROM sqlite_master WHERE type='view' AND name='%s'", escapedView),
}
case "duckdb":
if safeSchema == "" {
safeSchema = "main"
escapedSchema = "main"
}
return []string{
fmt.Sprintf("SELECT sql AS ddl FROM duckdb_views() WHERE view_name = '%s' AND schema_name = '%s' LIMIT 1", escapedView, escapedSchema),
fmt.Sprintf("SELECT view_definition AS ddl FROM information_schema.views WHERE table_name = '%s' AND table_schema = '%s' LIMIT 1", escapedView, escapedSchema),
}
default:
if safeSchema != "" {
return []string{
fmt.Sprintf("SELECT view_definition AS ddl FROM information_schema.views WHERE table_name = '%s' AND table_schema = '%s' LIMIT 1", escapedView, escapedSchema),
}
}
if strings.TrimSpace(dbName) != "" {
return []string{
fmt.Sprintf("SELECT view_definition AS ddl FROM information_schema.views WHERE table_name = '%s' AND table_schema = '%s' LIMIT 1", escapedView, escapedDB),
}
}
return []string{
fmt.Sprintf("SELECT view_definition AS ddl FROM information_schema.views WHERE table_name = '%s' LIMIT 1", escapedView),
}
}
}
func extractViewCreateSQL(row map[string]interface{}) string {
if row == nil {
return ""
}
ddl := exportRowValueCI(row, "create view", "create_statement", "create_sql", "ddl", "sql", "view_definition", "definition")
if ddl != "" {
return ddl
}
for _, value := range row {
if value == nil {
continue
}
text := strings.TrimSpace(fmt.Sprintf("%v", value))
if text == "" || text == "<nil>" {
continue
}
lower := strings.ToLower(text)
if strings.HasPrefix(lower, "create ") || strings.HasPrefix(lower, "select ") || strings.HasPrefix(lower, "with ") {
return text
}
}
return ""
}
func exportRowValueCI(row map[string]interface{}, candidates ...string) string {
if len(row) == 0 || len(candidates) == 0 {
return ""
}
for _, candidate := range candidates {
candidate = strings.ToLower(strings.TrimSpace(candidate))
if candidate == "" {
continue
}
for key, value := range row {
normalizedKey := strings.ToLower(strings.TrimSpace(key))
if normalizedKey != candidate {
continue
}
if value == nil {
return ""
}
text := strings.TrimSpace(fmt.Sprintf("%v", value))
if text == "<nil>" {
return ""
}
return text
}
}
return ""
}
func exportInferObjectName(row map[string]interface{}) string {
if len(row) == 0 {
return ""
}
for key, value := range row {
normalizedKey := strings.ToLower(strings.TrimSpace(key))
if normalizedKey == "" {
continue
}
if strings.Contains(normalizedKey, "type") {
continue
}
if strings.Contains(normalizedKey, "table") || strings.Contains(normalizedKey, "view") || strings.Contains(normalizedKey, "name") || strings.Contains(normalizedKey, "ddl") || strings.Contains(normalizedKey, "sql") {
if value == nil {
continue
}
text := strings.TrimSpace(fmt.Sprintf("%v", value))
if text == "" || text == "<nil>" {
continue
}
return text
}
}
for _, value := range row {
if value == nil {
continue
}
text := strings.TrimSpace(fmt.Sprintf("%v", value))
if text == "" || text == "<nil>" {
continue
}
return text
}
return ""
}
func looksLikeSelectOrWith(sql string) bool {
trimmed := strings.TrimSpace(strings.TrimSuffix(sql, ";"))
if trimmed == "" {
return false
}
lower := strings.ToLower(trimmed)
return strings.HasPrefix(lower, "select ") || strings.HasPrefix(lower, "with ") || lower == "select" || lower == "with"
}
func escapeSQLLiteral(value string) string {
return strings.ReplaceAll(strings.TrimSpace(value), "'", "''")
}
func isMySQLHexLiteral(s string) bool {
if len(s) < 3 || !(strings.HasPrefix(s, "0x") || strings.HasPrefix(s, "0X")) {
return false
@@ -798,13 +1199,63 @@ func formatSQLValue(dbType string, v interface{}) string {
}
}
func dumpTableSQL(w *bufio.Writer, dbInst db.Database, config connection.ConnectionConfig, dbName, tableName string, includeSchema bool, includeData bool) error {
func dumpTableSQL(
w *bufio.Writer,
dbInst db.Database,
config connection.ConnectionConfig,
dbName,
tableName string,
includeSchema bool,
includeData bool,
viewLookup map[string]string,
) error {
schemaName, pureTableName := normalizeSchemaAndTable(config, dbName, tableName)
objectKey := normalizeExportObjectKeyByParts(schemaName, pureTableName)
_, isView := viewLookup[objectKey]
var createSQL string
if includeSchema {
if isView {
viewDDL, ok := tryGetViewCreateStatement(dbInst, config, dbName, schemaName, pureTableName)
if ok {
createSQL = viewDDL
} else {
ddl, err := dbInst.GetCreateStatement(schemaName, pureTableName)
if err != nil {
return err
}
createSQL = ddl
}
} else {
ddl, err := dbInst.GetCreateStatement(schemaName, pureTableName)
if err != nil {
if viewDDL, ok := tryGetViewCreateStatement(dbInst, config, dbName, schemaName, pureTableName); ok {
createSQL = viewDDL
isView = true
} else {
return err
}
} else {
createSQL = ddl
}
}
}
if includeData && !includeSchema && !isView {
if _, ok := tryGetViewCreateStatement(dbInst, config, dbName, schemaName, pureTableName); ok {
isView = true
}
}
objectLabel := "Table"
if isView {
objectLabel = "View"
}
if _, err := w.WriteString("\n-- ----------------------------\n"); err != nil {
return err
}
if _, err := w.WriteString(fmt.Sprintf("-- Table: %s\n", qualifyTable(schemaName, pureTableName))); err != nil {
if _, err := w.WriteString(fmt.Sprintf("-- %s: %s\n", objectLabel, qualifyTable(schemaName, pureTableName))); err != nil {
return err
}
if _, err := w.WriteString("-- ----------------------------\n\n"); err != nil {
@@ -812,10 +1263,6 @@ func dumpTableSQL(w *bufio.Writer, dbInst db.Database, config connection.Connect
}
if includeSchema {
createSQL, err := dbInst.GetCreateStatement(schemaName, pureTableName)
if err != nil {
return err
}
if _, err := w.WriteString(ensureSQLTerminator(createSQL)); err != nil {
return err
}
@@ -828,6 +1275,13 @@ func dumpTableSQL(w *bufio.Writer, dbInst db.Database, config connection.Connect
return nil
}
if isView {
if _, err := w.WriteString("-- View data export skipped (INSERT for views is not emitted).\n"); err != nil {
return err
}
return nil
}
qualified := qualifyTable(schemaName, pureTableName)
selectSQL := fmt.Sprintf("SELECT * FROM %s", quoteQualifiedIdentByType(config.Type, qualified))
data, columns, err := dbInst.Query(selectSQL)