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perspectives: mongo join works

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This commit is contained in:
Jan Prochazka
2022-10-02 09:44:52 +02:00
parent da5dd7ac62
commit f60e1190c8
5 changed files with 196 additions and 117 deletions
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52
packages/datalib/src/PerspectiveDataLoader.ts
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@@ -57,8 +57,8 @@ export class PerspectiveDataLoader {
return conditions.length == 1 ? conditions[0] : conditions.length > 0 ? { $and: conditions } : null;
}
async loadGrouping(props: PerspectiveDataLoadProps) {
const { schemaName, pureName, bindingColumns, bindingValues, dataColumns } = props;
async loadGroupingSqlDb(props: PerspectiveDataLoadProps) {
const { schemaName, pureName, bindingColumns } = props;
const bindingColumnExpressions = bindingColumns.map(
columnName =>
@@ -96,7 +96,7 @@ export class PerspectiveDataLoader {
select.groupBy = bindingColumnExpressions;
if (dbg?.enabled) {
dbg(`LOAD COUNTS, table=${props.pureName}, columns=${props.dataColumns?.join(',')}`);
dbg(`LOAD COUNTS, table=${props.pureName}, columns=${bindingColumns?.join(',')}`);
}
const response = await this.apiCall('database-connections/sql-select', {
@@ -112,6 +112,52 @@ export class PerspectiveDataLoader {
}));
}
async loadGroupingDocDb(props: PerspectiveDataLoadProps) {
const { schemaName, pureName, bindingColumns } = props;
const aggregate = [
{ $match: this.buildMongoCondition(props) },
{
$group: {
_id: _zipObject(
bindingColumns,
bindingColumns.map(col => '$' + col)
),
count: { $sum: 1 },
},
},
];
if (dbg?.enabled) {
dbg(`LOAD COUNTS, table=${props.pureName}, columns=${bindingColumns?.join(',')}`);
}
const response = await this.apiCall('database-connections/collection-data', {
conid: props.databaseConfig.conid,
database: props.databaseConfig.database,
options: {
pureName,
aggregate,
},
});
if (response.errorMessage) return response;
return response.rows.map(row => ({
...row._id,
_perspective_group_size_: parseInt(row.count),
}));
}
async loadGrouping(props: PerspectiveDataLoadProps) {
const { engineType } = props;
switch (engineType) {
case 'sqldb':
return this.loadGroupingSqlDb(props);
case 'docdb':
return this.loadGroupingDocDb(props);
}
}
async loadDataSqlDb(props: PerspectiveDataLoadProps) {
const {
schemaName,