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designer - aggregate, group by, order by

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This commit is contained in:
Jan Prochazka
2020-12-29 15:07:32 +01:00
parent 9d10068799
commit ed11b9e5a1
4 changed files with 73 additions and 20 deletions
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52
packages/web/src/designer/DesignerQueryDumper.ts
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@@ -88,14 +88,62 @@ export class DesignerQueryDumper {
const topLevelColumns = this.designer.columns.filter((col) =>
topLevelTables.find((tbl) => tbl.designerId == col.designerId)
);
const selectIsGrouped = !!topLevelColumns.find((x) => x.isGrouped || (x.aggregate && x.aggregate != '---'));
const outputColumns = topLevelColumns.filter((x) => x.isOutput);
if (outputColumns.length == 0) {
res.selectAll = true;
} else {
res.columns = outputColumns.map((col) => ({
res.columns = outputColumns.map((col) => {
const source = findQuerySource(this.designer, col.designerId);
const { columnName } = col;
let { alias } = col;
if (selectIsGrouped && !col.isGrouped) {
// use aggregate
const aggregate = col.aggregate == null || col.aggregate == '---' ? 'MAX' : col.aggregate;
if (!alias) alias = `${aggregate}(${columnName})`;
return {
exprType: 'call',
func: aggregate == 'COUNT DISTINCT' ? 'COUNT' : aggregate,
argsPrefix: aggregate == 'COUNT DISTINCT' ? 'DISTINCT' : null,
alias,
args: [
{
exprType: 'column',
columnName,
source,
},
],
};
} else {
return {
exprType: 'column',
columnName,
alias,
source,
};
}
});
}
const groupedColumns = topLevelColumns.filter((x) => x.isGrouped);
if (groupedColumns.length > 0) {
res.groupBy = groupedColumns.map((col) => ({
exprType: 'column',
columnName: col.columnName,
alias: col.alias,
source: findQuerySource(this.designer, col.designerId),
}));
}
const orderColumns = _.sortBy(
topLevelColumns.filter((x) => x.sortOrder),
(x) => Math.abs(x.sortOrder)
);
if (orderColumns.length > 0) {
res.orderBy = orderColumns.map((col) => ({
exprType: 'column',
direction: col.sortOrder < 0 ? 'DESC' : 'ASC',
columnName: col.columnName,
source: findQuerySource(this.designer, col.designerId),
}));
}