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SelectQueryBuilder.ts
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SelectQueryBuilder.ts
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import {SapDriver} from "../driver/sap/SapDriver";
import {RawSqlResultsToEntityTransformer} from "./transformer/RawSqlResultsToEntityTransformer";
import {ObjectLiteral} from "../common/ObjectLiteral";
import {SqlServerDriver} from "../driver/sqlserver/SqlServerDriver";
import {PessimisticLockTransactionRequiredError} from "../error/PessimisticLockTransactionRequiredError";
import {NoVersionOrUpdateDateColumnError} from "../error/NoVersionOrUpdateDateColumnError";
import {OptimisticLockVersionMismatchError} from "../error/OptimisticLockVersionMismatchError";
import {OptimisticLockCanNotBeUsedError} from "../error/OptimisticLockCanNotBeUsedError";
import {JoinAttribute} from "./JoinAttribute";
import {RelationIdAttribute} from "./relation-id/RelationIdAttribute";
import {RelationCountAttribute} from "./relation-count/RelationCountAttribute";
import {RelationIdLoader} from "./relation-id/RelationIdLoader";
import {RelationIdMetadataToAttributeTransformer} from "./relation-id/RelationIdMetadataToAttributeTransformer";
import {RelationCountLoader} from "./relation-count/RelationCountLoader";
import {RelationCountMetadataToAttributeTransformer} from "./relation-count/RelationCountMetadataToAttributeTransformer";
import {QueryBuilder} from "./QueryBuilder";
import {ReadStream} from "../platform/PlatformTools";
import {LockNotSupportedOnGivenDriverError} from "../error/LockNotSupportedOnGivenDriverError";
import {MysqlDriver} from "../driver/mysql/MysqlDriver";
import {PostgresDriver} from "../driver/postgres/PostgresDriver";
import {OracleDriver} from "../driver/oracle/OracleDriver";
import {SelectQuery} from "./SelectQuery";
import {EntityMetadata} from "../metadata/EntityMetadata";
import {ColumnMetadata} from "../metadata/ColumnMetadata";
import {OrderByCondition} from "../find-options/OrderByCondition";
import {QueryExpressionMap} from "./QueryExpressionMap";
import {EntityTarget} from "../common/EntityTarget";
import {QueryRunner} from "../query-runner/QueryRunner";
import {WhereExpression} from "./WhereExpression";
import {Brackets} from "./Brackets";
import {AbstractSqliteDriver} from "../driver/sqlite-abstract/AbstractSqliteDriver";
import {QueryResultCacheOptions} from "../cache/QueryResultCacheOptions";
import {OffsetWithoutLimitNotSupportedError} from "../error/OffsetWithoutLimitNotSupportedError";
import {BroadcasterResult} from "../subscriber/BroadcasterResult";
import {SelectQueryBuilderOption} from "./SelectQueryBuilderOption";
import {ObjectUtils} from "../util/ObjectUtils";
import {DriverUtils} from "../driver/DriverUtils";
import {AuroraDataApiDriver} from "../driver/aurora-data-api/AuroraDataApiDriver";
import {CockroachDriver} from "../driver/cockroachdb/CockroachDriver";
import {EntityNotFoundError} from "../error/EntityNotFoundError";
/**
* Allows to build complex sql queries in a fashion way and execute those queries.
*/
export class SelectQueryBuilder<Entity> extends QueryBuilder<Entity> implements WhereExpression {
// -------------------------------------------------------------------------
// Public Implemented Methods
// -------------------------------------------------------------------------
/**
* Gets generated sql query without parameters being replaced.
*/
getQuery(): string {
let sql = this.createComment();
sql += this.createSelectExpression();
sql += this.createJoinExpression();
sql += this.createWhereExpression();
sql += this.createGroupByExpression();
sql += this.createHavingExpression();
sql += this.createOrderByExpression();
sql += this.createLimitOffsetExpression();
sql += this.createLockExpression();
sql = sql.trim();
if (this.expressionMap.subQuery)
sql = "(" + sql + ")";
return sql;
}
// -------------------------------------------------------------------------
// Public Methods
// -------------------------------------------------------------------------
/**
* Creates a subquery - query that can be used inside other queries.
*/
subQuery(): SelectQueryBuilder<any> {
const qb = this.createQueryBuilder();
qb.expressionMap.subQuery = true;
qb.expressionMap.parentQueryBuilder = this;
return qb;
}
/**
* Creates SELECT query.
* Replaces all previous selections if they exist.
*/
select(): this;
/**
* Creates SELECT query.
* Replaces all previous selections if they exist.
*/
select(selection: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>, selectionAliasName?: string): this;
/**
* Creates SELECT query and selects given data.
* Replaces all previous selections if they exist.
*/
select(selection: string, selectionAliasName?: string): this;
/**
* Creates SELECT query and selects given data.
* Replaces all previous selections if they exist.
*/
select(selection: string[]): this;
/**
* Creates SELECT query and selects given data.
* Replaces all previous selections if they exist.
*/
select(selection?: string|string[]|((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>), selectionAliasName?: string): SelectQueryBuilder<Entity> {
this.expressionMap.queryType = "select";
if (Array.isArray(selection)) {
this.expressionMap.selects = selection.map(selection => ({ selection: selection }));
} else if (selection instanceof Function) {
const subQueryBuilder = selection(this.subQuery());
this.setParameters(subQueryBuilder.getParameters());
this.expressionMap.selects.push({ selection: subQueryBuilder.getQuery(), aliasName: selectionAliasName });
} else if (selection) {
this.expressionMap.selects = [{ selection: selection, aliasName: selectionAliasName }];
}
return this;
}
/**
* Adds new selection to the SELECT query.
*/
addSelect(selection: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>, selectionAliasName?: string): this;
/**
* Adds new selection to the SELECT query.
*/
addSelect(selection: string, selectionAliasName?: string): this;
/**
* Adds new selection to the SELECT query.
*/
addSelect(selection: string[]): this;
/**
* Adds new selection to the SELECT query.
*/
addSelect(selection: string|string[]|((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>), selectionAliasName?: string): this {
if (!selection)
return this;
if (Array.isArray(selection)) {
this.expressionMap.selects = this.expressionMap.selects.concat(selection.map(selection => ({ selection: selection })));
} else if (selection instanceof Function) {
const subQueryBuilder = selection(this.subQuery());
this.setParameters(subQueryBuilder.getParameters());
this.expressionMap.selects.push({ selection: subQueryBuilder.getQuery(), aliasName: selectionAliasName });
} else if (selection) {
this.expressionMap.selects.push({ selection: selection, aliasName: selectionAliasName });
}
return this;
}
/**
* Sets whether the selection is DISTINCT.
*/
distinct(distinct: boolean = true): this {
this.expressionMap.selectDistinct = distinct;
return this;
}
/**
* Sets the distinct on clause for Postgres.
*/
distinctOn(distinctOn: string[]): this {
this.expressionMap.selectDistinctOn = distinctOn;
return this;
}
/**
* Specifies FROM which entity's table select/update/delete will be executed.
* Also sets a main string alias of the selection data.
* Removes all previously set from-s.
*/
from<T>(entityTarget: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>, aliasName: string): SelectQueryBuilder<T>;
/**
* Specifies FROM which entity's table select/update/delete will be executed.
* Also sets a main string alias of the selection data.
* Removes all previously set from-s.
*/
from<T>(entityTarget: EntityTarget<T>, aliasName: string): SelectQueryBuilder<T>;
/**
* Specifies FROM which entity's table select/update/delete will be executed.
* Also sets a main string alias of the selection data.
* Removes all previously set from-s.
*/
from<T>(entityTarget: EntityTarget<T>|((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>), aliasName: string): SelectQueryBuilder<T> {
const mainAlias = this.createFromAlias(entityTarget, aliasName);
this.expressionMap.setMainAlias(mainAlias);
return (this as any) as SelectQueryBuilder<T>;
}
/**
* Specifies FROM which entity's table select/update/delete will be executed.
* Also sets a main string alias of the selection data.
*/
addFrom<T>(entityTarget: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>, aliasName: string): SelectQueryBuilder<T>;
/**
* Specifies FROM which entity's table select/update/delete will be executed.
* Also sets a main string alias of the selection data.
*/
addFrom<T>(entityTarget: EntityTarget<T>, aliasName: string): SelectQueryBuilder<T>;
/**
* Specifies FROM which entity's table select/update/delete will be executed.
* Also sets a main string alias of the selection data.
*/
addFrom<T>(entityTarget: EntityTarget<T>|((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>), aliasName: string): SelectQueryBuilder<T> {
const alias = this.createFromAlias(entityTarget, aliasName);
if (!this.expressionMap.mainAlias)
this.expressionMap.setMainAlias(alias);
return (this as any) as SelectQueryBuilder<T>;
}
/**
* INNER JOINs (without selection) given subquery.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoin(subQueryFactory: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs (without selection) entity's property.
* Given entity property should be a relation.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoin(property: string, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs (without selection) given entity's table.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoin(entity: Function|string, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs (without selection) given table.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoin(tableName: string, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs (without selection).
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoin(entityOrProperty: Function|string|((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>), alias: string, condition: string = "", parameters?: ObjectLiteral): this {
this.join("INNER", entityOrProperty, alias, condition, parameters);
return this;
}
/**
* LEFT JOINs (without selection) given subquery.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoin(subQueryFactory: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs (without selection) entity's property.
* Given entity property should be a relation.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoin(property: string, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs (without selection) entity's table.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoin(entity: Function|string, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs (without selection) given table.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoin(tableName: string, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs (without selection).
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoin(entityOrProperty: Function|string|((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>), alias: string, condition: string = "", parameters?: ObjectLiteral): this {
this.join("LEFT", entityOrProperty, alias, condition, parameters);
return this;
}
/**
* INNER JOINs given subquery and adds all selection properties to SELECT..
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoinAndSelect(subQueryFactory: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs entity's property and adds all selection properties to SELECT.
* Given entity property should be a relation.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoinAndSelect(property: string, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs entity and adds all selection properties to SELECT.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoinAndSelect(entity: Function|string, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs table and adds all selection properties to SELECT.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoinAndSelect(tableName: string, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs and adds all selection properties to SELECT.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoinAndSelect(entityOrProperty: Function|string|((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>), alias: string, condition: string = "", parameters?: ObjectLiteral): this {
this.addSelect(alias);
this.innerJoin(entityOrProperty, alias, condition, parameters);
return this;
}
/**
* LEFT JOINs given subquery and adds all selection properties to SELECT..
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoinAndSelect(subQueryFactory: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs entity's property and adds all selection properties to SELECT.
* Given entity property should be a relation.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoinAndSelect(property: string, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs entity and adds all selection properties to SELECT.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoinAndSelect(entity: Function|string, alias: string, condition: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs table and adds all selection properties to SELECT.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoinAndSelect(tableName: string, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs and adds all selection properties to SELECT.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoinAndSelect(entityOrProperty: Function|string|((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>), alias: string, condition: string = "", parameters?: ObjectLiteral): this {
this.addSelect(alias);
this.leftJoin(entityOrProperty, alias, condition, parameters);
return this;
}
/**
* INNER JOINs given subquery, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there are multiple rows of selecting data, and mapped result will be an array.
* Given entity property should be a relation.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoinAndMapMany(mapToProperty: string, subQueryFactory: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs entity's property, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there are multiple rows of selecting data, and mapped result will be an array.
* Given entity property should be a relation.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoinAndMapMany(mapToProperty: string, property: string, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs entity's table, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there are multiple rows of selecting data, and mapped result will be an array.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoinAndMapMany(mapToProperty: string, entity: Function|string, alias: string, condition: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs table, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there are multiple rows of selecting data, and mapped result will be an array.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoinAndMapMany(mapToProperty: string, tableName: string, alias: string, condition: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there are multiple rows of selecting data, and mapped result will be an array.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoinAndMapMany(mapToProperty: string, entityOrProperty: Function|string|((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>), alias: string, condition: string = "", parameters?: ObjectLiteral): this {
this.addSelect(alias);
this.join("INNER", entityOrProperty, alias, condition, parameters, mapToProperty, true);
return this;
}
/**
* INNER JOINs given subquery, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there is a single row of selecting data, and mapped result will be a single selected value.
* Given entity property should be a relation.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoinAndMapOne(mapToProperty: string, subQueryFactory: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs entity's property, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there is a single row of selecting data, and mapped result will be a single selected value.
* Given entity property should be a relation.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoinAndMapOne(mapToProperty: string, property: string, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs entity's table, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there is a single row of selecting data, and mapped result will be a single selected value.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoinAndMapOne(mapToProperty: string, entity: Function|string, alias: string, condition: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs table, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there is a single row of selecting data, and mapped result will be a single selected value.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoinAndMapOne(mapToProperty: string, tableName: string, alias: string, condition: string, parameters?: ObjectLiteral): this;
/**
* INNER JOINs, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there is a single row of selecting data, and mapped result will be a single selected value.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
innerJoinAndMapOne(mapToProperty: string, entityOrProperty: Function|string|((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>), alias: string, condition: string = "", parameters?: ObjectLiteral): this {
this.addSelect(alias);
this.join("INNER", entityOrProperty, alias, condition, parameters, mapToProperty, false);
return this;
}
/**
* LEFT JOINs given subquery, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there are multiple rows of selecting data, and mapped result will be an array.
* Given entity property should be a relation.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoinAndMapMany(mapToProperty: string, subQueryFactory: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs entity's property, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there are multiple rows of selecting data, and mapped result will be an array.
* Given entity property should be a relation.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoinAndMapMany(mapToProperty: string, property: string, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs entity's table, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there are multiple rows of selecting data, and mapped result will be an array.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoinAndMapMany(mapToProperty: string, entity: Function|string, alias: string, condition: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs table, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there are multiple rows of selecting data, and mapped result will be an array.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoinAndMapMany(mapToProperty: string, tableName: string, alias: string, condition: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there are multiple rows of selecting data, and mapped result will be an array.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoinAndMapMany(mapToProperty: string, entityOrProperty: Function|string|((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>), alias: string, condition: string = "", parameters?: ObjectLiteral): this {
this.addSelect(alias);
this.join("LEFT", entityOrProperty, alias, condition, parameters, mapToProperty, true);
return this;
}
/**
* LEFT JOINs given subquery, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there is a single row of selecting data, and mapped result will be a single selected value.
* Given entity property should be a relation.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoinAndMapOne(mapToProperty: string, subQueryFactory: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs entity's property, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there is a single row of selecting data, and mapped result will be a single selected value.
* Given entity property should be a relation.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoinAndMapOne(mapToProperty: string, property: string, alias: string, condition?: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs entity's table, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there is a single row of selecting data, and mapped result will be a single selected value.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoinAndMapOne(mapToProperty: string, entity: Function|string, alias: string, condition: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs table, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there is a single row of selecting data, and mapped result will be a single selected value.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoinAndMapOne(mapToProperty: string, tableName: string, alias: string, condition: string, parameters?: ObjectLiteral): this;
/**
* LEFT JOINs, SELECTs the data returned by a join and MAPs all that data to some entity's property.
* This is extremely useful when you want to select some data and map it to some virtual property.
* It will assume that there is a single row of selecting data, and mapped result will be a single selected value.
* You also need to specify an alias of the joined data.
* Optionally, you can add condition and parameters used in condition.
*/
leftJoinAndMapOne(mapToProperty: string, entityOrProperty: Function|string|((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>), alias: string, condition: string = "", parameters?: ObjectLiteral): this {
this.addSelect(alias);
this.join("LEFT", entityOrProperty, alias, condition, parameters, mapToProperty, false);
return this;
}
/**
*/
// selectAndMap(mapToProperty: string, property: string, aliasName: string, qbFactory: ((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>)): this;
/**
*/
// selectAndMap(mapToProperty: string, entity: Function|string, aliasName: string, qbFactory: ((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>)): this;
/**
*/
// selectAndMap(mapToProperty: string, tableName: string, aliasName: string, qbFactory: ((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>)): this;
/**
*/
// selectAndMap(mapToProperty: string, entityOrProperty: Function|string, aliasName: string, qbFactory: ((qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>)): this {
// const select = new SelectAttribute(this.expressionMap);
// select.mapToProperty = mapToProperty;
// select.entityOrProperty = entityOrProperty;
// select.aliasName = aliasName;
// select.qbFactory = qbFactory;
// return this;
// }
/**
* LEFT JOINs relation id and maps it into some entity's property.
* Optionally, you can add condition and parameters used in condition.
*/
loadRelationIdAndMap(mapToProperty: string, relationName: string, options?: { disableMixedMap?: boolean }): this;
/**
* LEFT JOINs relation id and maps it into some entity's property.
* Optionally, you can add condition and parameters used in condition.
*/
loadRelationIdAndMap(mapToProperty: string, relationName: string, alias: string, queryBuilderFactory: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>): this;
/**
* LEFT JOINs relation id and maps it into some entity's property.
* Optionally, you can add condition and parameters used in condition.
*/
loadRelationIdAndMap(mapToProperty: string,
relationName: string,
aliasNameOrOptions?: string|{ disableMixedMap?: boolean },
queryBuilderFactory?: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>): this {
const relationIdAttribute = new RelationIdAttribute(this.expressionMap);
relationIdAttribute.mapToProperty = mapToProperty;
relationIdAttribute.relationName = relationName;
if (typeof aliasNameOrOptions === "string")
relationIdAttribute.alias = aliasNameOrOptions;
if (aliasNameOrOptions instanceof Object && (aliasNameOrOptions as any).disableMixedMap)
relationIdAttribute.disableMixedMap = true;
relationIdAttribute.queryBuilderFactory = queryBuilderFactory;
this.expressionMap.relationIdAttributes.push(relationIdAttribute);
if (relationIdAttribute.relation.junctionEntityMetadata) {
this.expressionMap.createAlias({
type: "other",
name: relationIdAttribute.junctionAlias,
metadata: relationIdAttribute.relation.junctionEntityMetadata
});
}
return this;
}
/**
* Counts number of entities of entity's relation and maps the value into some entity's property.
* Optionally, you can add condition and parameters used in condition.
*/
loadRelationCountAndMap(mapToProperty: string, relationName: string, aliasName?: string, queryBuilderFactory?: (qb: SelectQueryBuilder<any>) => SelectQueryBuilder<any>): this {
const relationCountAttribute = new RelationCountAttribute(this.expressionMap);
relationCountAttribute.mapToProperty = mapToProperty;
relationCountAttribute.relationName = relationName;
relationCountAttribute.alias = aliasName;
relationCountAttribute.queryBuilderFactory = queryBuilderFactory;
this.expressionMap.relationCountAttributes.push(relationCountAttribute);
this.expressionMap.createAlias({
type: "other",
name: relationCountAttribute.junctionAlias
});
if (relationCountAttribute.relation.junctionEntityMetadata) {
this.expressionMap.createAlias({
type: "other",
name: relationCountAttribute.junctionAlias,
metadata: relationCountAttribute.relation.junctionEntityMetadata
});
}
return this;
}
/**
* Loads all relation ids for all relations of the selected entity.
* All relation ids will be mapped to relation property themself.
* If array of strings is given then loads only relation ids of the given properties.
*/
loadAllRelationIds(options?: { relations?: string[], disableMixedMap?: boolean }): this { // todo: add skip relations
this.expressionMap.mainAlias!.metadata.relations.forEach(relation => {
if (options !== undefined && options.relations !== undefined && options.relations.indexOf(relation.propertyPath) === -1)
return;
this.loadRelationIdAndMap(
this.expressionMap.mainAlias!.name + "." + relation.propertyPath,
this.expressionMap.mainAlias!.name + "." + relation.propertyPath,
options
);
});
return this;
}
/**
* Sets WHERE condition in the query builder.
* If you had previously WHERE expression defined,
* calling this function will override previously set WHERE conditions.
* Additionally you can add parameters used in where expression.
*/
where(where: Brackets|string|((qb: this) => string)|ObjectLiteral|ObjectLiteral[], parameters?: ObjectLiteral): this {
this.expressionMap.wheres = []; // don't move this block below since computeWhereParameter can add where expressions
const condition = this.computeWhereParameter(where);
if (condition)
this.expressionMap.wheres = [{ type: "simple", condition: condition }];
if (parameters)
this.setParameters(parameters);
return this;
}
/**
* Adds new AND WHERE condition in the query builder.
* Additionally you can add parameters used in where expression.
*/
andWhere(where: string|Brackets|((qb: this) => string), parameters?: ObjectLiteral): this {
this.expressionMap.wheres.push({ type: "and", condition: this.computeWhereParameter(where) });
if (parameters) this.setParameters(parameters);
return this;
}
/**
* Adds new OR WHERE condition in the query builder.
* Additionally you can add parameters used in where expression.
*/
orWhere(where: Brackets|string|((qb: this) => string), parameters?: ObjectLiteral): this {
this.expressionMap.wheres.push({ type: "or", condition: this.computeWhereParameter(where) });
if (parameters) this.setParameters(parameters);
return this;
}
/**
* Adds new AND WHERE with conditions for the given ids.
*
* Ids are mixed.
* It means if you have single primary key you can pass a simple id values, for example [1, 2, 3].
* If you have multiple primary keys you need to pass object with property names and values specified,
* for example [{ firstId: 1, secondId: 2 }, { firstId: 2, secondId: 3 }, ...]
*/
whereInIds(ids: any|any[]): this {
return this.where(this.createWhereIdsExpression(ids));
}
/**
* Adds new AND WHERE with conditions for the given ids.
*
* Ids are mixed.
* It means if you have single primary key you can pass a simple id values, for example [1, 2, 3].
* If you have multiple primary keys you need to pass object with property names and values specified,
* for example [{ firstId: 1, secondId: 2 }, { firstId: 2, secondId: 3 }, ...]
*/
andWhereInIds(ids: any|any[]): this {
return this.andWhere(this.createWhereIdsExpression(ids));
}
/**
* Adds new OR WHERE with conditions for the given ids.
*
* Ids are mixed.
* It means if you have single primary key you can pass a simple id values, for example [1, 2, 3].
* If you have multiple primary keys you need to pass object with property names and values specified,
* for example [{ firstId: 1, secondId: 2 }, { firstId: 2, secondId: 3 }, ...]
*/
orWhereInIds(ids: any|any[]): this {
return this.orWhere(this.createWhereIdsExpression(ids));
}
/**
* Sets HAVING condition in the query builder.
* If you had previously HAVING expression defined,
* calling this function will override previously set HAVING conditions.
* Additionally you can add parameters used in where expression.
*/
having(having: string, parameters?: ObjectLiteral): this {
this.expressionMap.havings.push({ type: "simple", condition: having });
if (parameters) this.setParameters(parameters);
return this;
}
/**
* Adds new AND HAVING condition in the query builder.
* Additionally you can add parameters used in where expression.
*/
andHaving(having: string, parameters?: ObjectLiteral): this {
this.expressionMap.havings.push({ type: "and", condition: having });
if (parameters) this.setParameters(parameters);
return this;
}
/**
* Adds new OR HAVING condition in the query builder.
* Additionally you can add parameters used in where expression.
*/
orHaving(having: string, parameters?: ObjectLiteral): this {
this.expressionMap.havings.push({ type: "or", condition: having });
if (parameters) this.setParameters(parameters);
return this;
}
/**
* Sets GROUP BY condition in the query builder.
* If you had previously GROUP BY expression defined,
* calling this function will override previously set GROUP BY conditions.
*/
groupBy(): this;
/**
* Sets GROUP BY condition in the query builder.
* If you had previously GROUP BY expression defined,
* calling this function will override previously set GROUP BY conditions.
*/
groupBy(groupBy: string): this;
/**
* Sets GROUP BY condition in the query builder.
* If you had previously GROUP BY expression defined,
* calling this function will override previously set GROUP BY conditions.
*/
groupBy(groupBy?: string): this {
if (groupBy) {
this.expressionMap.groupBys = [groupBy];
} else {
this.expressionMap.groupBys = [];
}
return this;
}
/**
* Adds GROUP BY condition in the query builder.
*/
addGroupBy(groupBy: string): this {
this.expressionMap.groupBys.push(groupBy);
return this;
}
/**
* Sets ORDER BY condition in the query builder.
* If you had previously ORDER BY expression defined,
* calling this function will override previously set ORDER BY conditions.
*
* Calling order by without order set will remove all previously set order bys.
*/
orderBy(): this;
/**
* Sets ORDER BY condition in the query builder.
* If you had previously ORDER BY expression defined,
* calling this function will override previously set ORDER BY conditions.
*/
orderBy(sort: string, order?: "ASC"|"DESC", nulls?: "NULLS FIRST"|"NULLS LAST"): this;
/**
* Sets ORDER BY condition in the query builder.
* If you had previously ORDER BY expression defined,
* calling this function will override previously set ORDER BY conditions.
*/
orderBy(order: OrderByCondition): this;
/**
* Sets ORDER BY condition in the query builder.
* If you had previously ORDER BY expression defined,
* calling this function will override previously set ORDER BY conditions.
*/
orderBy(sort?: string|OrderByCondition, order: "ASC"|"DESC" = "ASC", nulls?: "NULLS FIRST"|"NULLS LAST"): this {
if (order !== undefined && order !== "ASC" && order !== "DESC")
throw new Error(`SelectQueryBuilder.addOrderBy "order" can accept only "ASC" and "DESC" values.`);
if (nulls !== undefined && nulls !== "NULLS FIRST" && nulls !== "NULLS LAST")
throw new Error(`SelectQueryBuilder.addOrderBy "nulls" can accept only "NULLS FIRST" and "NULLS LAST" values.`);
if (sort) {
if (sort instanceof Object) {
this.expressionMap.orderBys = sort as OrderByCondition;
} else {
if (nulls) {
this.expressionMap.orderBys = { [sort as string]: { order, nulls } };
} else {
this.expressionMap.orderBys = { [sort as string]: order };
}
}
} else {
this.expressionMap.orderBys = {};
}
return this;
}
/**
* Adds ORDER BY condition in the query builder.
*/
addOrderBy(sort: string, order: "ASC"|"DESC" = "ASC", nulls?: "NULLS FIRST"|"NULLS LAST"): this {
if (order !== undefined && order !== "ASC" && order !== "DESC")
throw new Error(`SelectQueryBuilder.addOrderBy "order" can accept only "ASC" and "DESC" values.`);
if (nulls !== undefined && nulls !== "NULLS FIRST" && nulls !== "NULLS LAST")
throw new Error(`SelectQueryBuilder.addOrderBy "nulls" can accept only "NULLS FIRST" and "NULLS LAST" values.`);
if (nulls) {
this.expressionMap.orderBys[sort] = { order, nulls };
} else {
this.expressionMap.orderBys[sort] = order;
}
return this;
}
/**
* Set's LIMIT - maximum number of rows to be selected.
* NOTE that it may not work as you expect if you are using joins.
* If you want to implement pagination, and you are having join in your query,
* then use instead take method instead.
*/
limit(limit?: number): this {
this.expressionMap.limit = this.normalizeNumber(limit);
if (this.expressionMap.limit !== undefined && isNaN(this.expressionMap.limit))
throw new Error(`Provided "limit" value is not a number. Please provide a numeric value.`);
return this;
}
/**
* Set's OFFSET - selection offset.
* NOTE that it may not work as you expect if you are using joins.
* If you want to implement pagination, and you are having join in your query,
* then use instead skip method instead.
*/
offset(offset?: number): this {
this.expressionMap.offset = this.normalizeNumber(offset);
if (this.expressionMap.offset !== undefined && isNaN(this.expressionMap.offset))
throw new Error(`Provided "offset" value is not a number. Please provide a numeric value.`);
return this;
}
/**
* Sets maximal number of entities to take.
*/
take(take?: number): this {
this.expressionMap.take = this.normalizeNumber(take);
if (this.expressionMap.take !== undefined && isNaN(this.expressionMap.take))
throw new Error(`Provided "take" value is not a number. Please provide a numeric value.`);
return this;
}
/**
* Sets number of entities to skip.
*/
skip(skip?: number): this {
this.expressionMap.skip = this.normalizeNumber(skip);
if (this.expressionMap.skip !== undefined && isNaN(this.expressionMap.skip))
throw new Error(`Provided "skip" value is not a number. Please provide a numeric value.`);
return this;
}
/**
* Sets locking mode.
*
* @deprecated Use `lockMode`
*/
setLock(lockMode: "optimistic", lockVersion: number): this;
/**
* Sets locking mode.
*
* @deprecated Use `lockMode`
*/
setLock(lockMode: "optimistic", lockVersion: Date): this;
/**
* Sets locking mode.
*
* @deprecated Use `lockMode`
*/
setLock(lockMode: "pessimistic_read"|"pessimistic_write"|"dirty_read"|"pessimistic_partial_write"|"pessimistic_write_or_fail"|"for_no_key_update"): this;
/**
* Sets locking mode.
*
* @deprecated Use `lockMode`
*/
setLock(lockMode: "optimistic"|"pessimistic_read"|"pessimistic_write"|"dirty_read"|"pessimistic_partial_write"|"pessimistic_write_or_fail"|"for_no_key_update", lockVersion?: number|Date): this {
return this.lockMode(lockMode as any, lockVersion as any);
}
/**
* Sets locking mode.
*/
lockMode(lockMode: "optimistic", lockVersion: number): this;
/**
* Sets locking mode.
*/
lockMode(lockMode: "optimistic", lockVersion: Date): this;
/**