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🐛 fix(oracle-query): 修复 Oracle 表数据分页 SQL 兼容问题 refs #196 (#202)

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2026-03-08 00:42:48 +08:00
committed by GitHub
parent c87b15b22a
commit 450fdfa59e
3 changed files with 45 additions and 11 deletions
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9
frontend/src/components/DataViewer.tsx
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@@ -4,7 +4,7 @@ import { TabData, ColumnDefinition } from '../types';
import { useStore } from '../store';
import { DBQuery, DBGetColumns } from '../../wailsjs/go/app/App';
import DataGrid, { GONAVI_ROW_KEY } from './DataGrid';
import { buildOrderBySQL, buildWhereSQL, quoteIdentPart, quoteQualifiedIdent, withSortBufferTuningSQL, type FilterCondition } from '../utils/sql';
import { buildOrderBySQL, buildPaginatedSelectSQL, buildWhereSQL, quoteIdentPart, quoteQualifiedIdent, withSortBufferTuningSQL, type FilterCondition } from '../utils/sql';
import { buildMongoCountCommand, buildMongoFilter, buildMongoFindCommand, buildMongoSort } from '../utils/mongodb';
import { getDataSourceCapabilities } from '../utils/dataSourceCapabilities';
@@ -455,7 +455,7 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
if (pageRowCount > 0) {
const tailOffset = Math.max(0, totalRows - (offset + pageRowCount));
if (tailOffset < offset) {
sql = `${baseSql}${reverseOrderSQL} LIMIT ${pageRowCount} OFFSET ${tailOffset}`;
sql = buildPaginatedSelectSQL(dbType, baseSql, reverseOrderSQL, pageRowCount, tailOffset);
useClickHouseReversePagination = true;
clickHouseReverseLimit = pageRowCount;
clickHouseReverseHasMore = currentPage < totalPages;
@@ -464,7 +464,7 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
}
if (!useClickHouseReversePagination) {
// 大表性能：打开表不阻塞在 COUNT(*)，先通过多取 1 条判断是否还有下一页；总数在后台统计并异步回填。
sql += ` LIMIT ${size + 1} OFFSET ${offset}`;
sql = buildPaginatedSelectSQL(dbType, baseSql, orderBySQL, size + 1, offset);
}
}
@@ -534,8 +534,7 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {
if (safeSelect) {
let fallbackSql = `SELECT ${safeSelect} FROM ${quoteQualifiedIdent(dbType, tableName)} ${whereSQL}`;
fallbackSql += buildOrderBySQL(dbType, sortInfo, pkColumns);
fallbackSql += ` LIMIT ${size + 1} OFFSET ${offset}`;
fallbackSql = buildPaginatedSelectSQL(dbType, fallbackSql, buildOrderBySQL(dbType, sortInfo, pkColumns), size + 1, offset);
executedSql = fallbackSql;
resData = await executeDataQuery(fallbackSql, '复杂类型降级重试');
}