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select page by row_number for MS SQL 2008 #93

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This commit is contained in:
Jan Prochazka
2021-04-25 11:48:23 +02:00
parent 8ff706a17f
commit 67e1913683
13 changed files with 178 additions and 45 deletions
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18
packages/datalib/src/FormViewDisplay.ts
View File

@@ -1,6 +1,14 @@
import _ from 'lodash';
import { GridConfig, GridCache, GridConfigColumns, createGridCache, GroupFunc } from './GridConfig';
import { ForeignKeyInfo, TableInfo, ColumnInfo, EngineDriver, NamedObjectInfo, DatabaseInfo } from 'dbgate-types';
import {
ForeignKeyInfo,
TableInfo,
ColumnInfo,
EngineDriver,
NamedObjectInfo,
DatabaseInfo,
SqlDialect,
} from 'dbgate-types';
import { parseFilter, getFilterType, getFilterValueExpression } from 'dbgate-filterparser';
import { filterName } from './filterName';
import { ChangeSetFieldDefinition, ChangeSetRowDefinition } from './ChangeSet';
@@ -12,6 +20,7 @@ export class FormViewDisplay {
isLoadedCorrectly = true;
columns: DisplayColumn[];
public baseTable: TableInfo;
dialect: SqlDialect;
constructor(
public config: GridConfig,
@@ -19,8 +28,11 @@ export class FormViewDisplay {
public cache: GridCache,
protected setCache: ChangeCacheFunc,
public driver?: EngineDriver,
public dbinfo: DatabaseInfo = null
) {}
public dbinfo: DatabaseInfo = null,
public serverVersion = null
) {
this.dialect = (driver?.dialectByVersion && driver?.dialectByVersion(serverVersion)) || driver?.dialect;
}
addFilterColumn(column) {
if (!column) return;

78
packages/datalib/src/GridDisplay.ts
View File

@@ -8,6 +8,7 @@ import {
NamedObjectInfo,
DatabaseInfo,
CollectionInfo,
SqlDialect,
} from 'dbgate-types';
import { parseFilter, getFilterType } from 'dbgate-filterparser';
import { filterName } from './filterName';
@@ -60,8 +61,12 @@ export abstract class GridDisplay {
public cache: GridCache,
protected setCache: ChangeCacheFunc,
public driver?: EngineDriver,
public dbinfo: DatabaseInfo = null
) {}
public dbinfo: DatabaseInfo = null,
public serverVersion = null
) {
this.dialect = (driver?.dialectByVersion && driver?.dialectByVersion(serverVersion)) || driver?.dialect;
}
dialect: SqlDialect;
columns: DisplayColumn[];
baseTable?: TableInfo;
baseCollection?: CollectionInfo;
@@ -460,12 +465,75 @@ export abstract class GridDisplay {
return select;
}
getRowNumberOverSelect(select: Select, offset: number, count: number): Select {
const innerSelect: Select = {
commandType: 'select',
from: select.from,
where: select.where,
columns: [
...select.columns,
{
alias: '_rowNumber',
exprType: 'rowNumber',
orderBy: select.orderBy
? select.orderBy.map(x =>
x.exprType != 'column'
? x
: x.source
? x
: {
...x,
source: { alias: 'basetbl' },
}
)
: [
{
...select.columns[0],
direction: 'ASC',
},
],
},
],
};
const res: Select = {
commandType: 'select',
selectAll: true,
from: {
subQuery: innerSelect,
alias: '_RowNumberResult',
},
where: {
conditionType: 'between',
expr: {
exprType: 'column',
columnName: '_RowNumber',
source: {
alias: '_RowNumberResult',
},
},
left: {
exprType: 'value',
value: offset + 1,
},
right: {
exprType: 'value',
value: offset + count,
},
},
};
return res;
}
getPageQuery(offset: number, count: number) {
if (!this.driver) return null;
const select = this.createSelect();
let select = this.createSelect();
if (!select) return null;
if (this.driver.dialect.rangeSelect) select.range = { offset: offset, limit: count };
else if (this.driver.dialect.limitSelect) select.topRecords = count;
if (this.dialect.rangeSelect) select.range = { offset: offset, limit: count };
else if (this.dialect.rowNumberOverPaging && offset > 0)
select = this.getRowNumberOverSelect(select, offset, count);
else if (this.dialect.limitSelect) select.topRecords = count;
const sql = treeToSql(this.driver, select, dumpSqlSelect);
return sql;
}

8
packages/datalib/src/TableFormViewDisplay.ts
View File

@@ -29,9 +29,10 @@ export class TableFormViewDisplay extends FormViewDisplay {
cache: GridCache,
setCache: ChangeCacheFunc,
dbinfo: DatabaseInfo,
displayOptions
displayOptions,
serverVersion
) {
super(config, setConfig, cache, setCache, driver, dbinfo);
super(config, setConfig, cache, setCache, driver, dbinfo, serverVersion);
this.gridDisplay = new TableGridDisplay(
tableName,
driver,
@@ -40,7 +41,8 @@ export class TableFormViewDisplay extends FormViewDisplay {
cache,
setCache,
dbinfo,
displayOptions
displayOptions,
serverVersion
);
this.gridDisplay.addAllExpandedColumnsToSelected = true;

5
packages/datalib/src/TableGridDisplay.ts
View File

@@ -18,9 +18,10 @@ export class TableGridDisplay extends GridDisplay {
cache: GridCache,
setCache: ChangeCacheFunc,
dbinfo: DatabaseInfo,
public displayOptions: any
public displayOptions: any,
serverVersion
) {
super(config, setConfig, cache, setCache, driver, dbinfo);
super(config, setConfig, cache, setCache, driver, dbinfo, serverVersion);
this.table = this.findTable(tableName);
if (!this.table) {

5
packages/datalib/src/ViewGridDisplay.ts
View File

@@ -10,9 +10,10 @@ export class ViewGridDisplay extends GridDisplay {
config: GridConfig,
setConfig: ChangeConfigFunc,
cache: GridCache,
setCache: ChangeCacheFunc
setCache: ChangeCacheFunc,
serverVersion
) {
super(config, setConfig, cache, setCache, driver);
super(config, setConfig, cache, setCache, driver, serverVersion);
this.columns = this.getDisplayColumns(view);
this.filterable = true;
this.sortable = true;