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perspective loader class

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This commit is contained in:
Jan Prochazka
2022-07-21 12:33:29 +02:00
parent 1abfab950e
commit 35152a2796
6 changed files with 181 additions and 69 deletions
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4
packages/web/src/perspectives/PerspectiveTable.svelte
View File

@@ -24,7 +24,7 @@
const loadChildNodes = [];
const loadChildRows = [];
const loadProps = node.getNodeLoadProps(parentRows);
const rows = await node.dataProvider.loadData(loadProps);
const { rows, incomplete } = await node.dataProvider.loadData(loadProps);
// console.log('ROWS', rows, node.isRoot);
if (node.isRoot) {
@@ -67,7 +67,7 @@
await loadLevelData(node, rows);
dataRows = rows;
console.log('DISPLAY ROWS', rows);
// console.log('DISPLAY ROWS', rows);
// const rows = await node.loadLevelData();
// for (const child of node.childNodes) {
// const loadProps = [];

115
packages/web/src/perspectives/PerspectiveView.svelte
View File

@@ -11,6 +11,7 @@
import HorizontalSplitter from '../elements/HorizontalSplitter.svelte';
import { useDatabaseInfo, useTableInfo, useViewInfo } from '../utility/metadataLoaders';
import debug from 'debug';
import { getLocalStorage, setLocalStorage } from '../utility/storageCache';
import WidgetColumnBar from '../widgets/WidgetColumnBar.svelte';
@@ -20,6 +21,9 @@
import { apiCall } from '../utility/api';
import { Select } from 'dbgate-sqltree';
import ManagerInnerContainer from '../elements/ManagerInnerContainer.svelte';
import { PerspectiveDataLoader } from 'dbgate-datalib/lib/PerspectiveDataLoader';
const dbg = debug('dbgate:PerspectiveView');
export let conid;
export let database;
@@ -67,63 +71,66 @@
// ? getViewNodes($viewInfo, $dbInfo, config, setConfig)
// : null;
async function loader(props: PerspectiveDataLoadProps) {
const { schemaName, pureName, bindingColumns, bindingValues, dataColumns } = props;
const select: Select = {
commandType: 'select',
from: {
name: { schemaName, pureName },
},
columns: dataColumns?.map(columnName => ({
exprType: 'column',
columnName,
source: {
name: { schemaName, pureName },
},
})),
selectAll: !dataColumns,
orderBy: dataColumns
? [
{
exprType: 'column',
direction: 'ASC',
columnName: dataColumns[0],
source: {
name: { schemaName, pureName },
},
},
]
: null,
range: {
offset: 0,
limit: 100,
},
};
if (bindingColumns?.length == 1) {
select.where = {
conditionType: 'in',
expr: {
exprType: 'column',
columnName: bindingColumns[0],
source: {
name: { schemaName, pureName },
},
},
values: bindingValues,
};
}
const response = await apiCall('database-connections/sql-select', {
conid,
database,
select,
});
// async function loader(props: PerspectiveDataLoadProps) {
// const { schemaName, pureName, bindingColumns, bindingValues, dataColumns } = props;
// const select: Select = {
// commandType: 'select',
// from: {
// name: { schemaName, pureName },
// },
// columns: dataColumns?.map(columnName => ({
// exprType: 'column',
// columnName,
// source: {
// name: { schemaName, pureName },
// },
// })),
// selectAll: !dataColumns,
// orderBy: dataColumns
// ? [
// {
// exprType: 'column',
// direction: 'ASC',
// columnName: dataColumns[0],
// source: {
// name: { schemaName, pureName },
// },
// },
// ]
// : null,
// range: props.range,
// };
// if (bindingColumns?.length == 1) {
// select.where = {
// conditionType: 'in',
// expr: {
// exprType: 'column',
// columnName: bindingColumns[0],
// source: {
// name: { schemaName, pureName },
// },
// },
// values: bindingValues,
// };
// }
if (response.errorMessage) return response;
return response.rows;
}
// dbg(`LOAD DATA, table=${props.pureName}, columns=${props.dataColumns?.join(',')}, range=${props.range}}`);
// const response = await apiCall('database-connections/sql-select', {
// conid,
// database,
// select,
// });
// if (response.errorMessage) return response;
// return response.rows;
// }
$: loader = new PerspectiveDataLoader(apiCall, dbg);
$: dataProvider = new PerspectiveDataProvider(cache, setCache, loader);
$: root = $tableInfo ? new PerspectiveTableNode($tableInfo, $dbInfo, config, setConfig, dataProvider, null) : null;
$: root = $tableInfo
? new PerspectiveTableNode($tableInfo, $dbInfo, config, setConfig, dataProvider, { conid, database }, null)
: null;
</script>
<HorizontalSplitter initialValue={getInitialManagerSize()} bind:size={managerSize}>