import * as tslib_1 from "tslib";
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import { QueryExpressionMap } from "./QueryExpressionMap";
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import { Brackets } from "./Brackets";
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import { EntityMetadata } from "../metadata/EntityMetadata";
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import { SqljsDriver } from "../driver/sqljs/SqljsDriver";
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import { SqlServerDriver } from "../driver/sqlserver/SqlServerDriver";
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import { OracleDriver } from "../driver/oracle/OracleDriver";
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import { EntitySchema } from "../";
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import { FindOperator } from "../find-options/FindOperator";
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import { In } from "../find-options/operator/In";
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// todo: completely cover query builder with tests
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// todo: entityOrProperty can be target name. implement proper behaviour if it is.
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// todo: check in persistment if id exist on object and throw exception (can be in partial selection?)
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// todo: fix problem with long aliases eg getMaxIdentifierLength
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// todo: fix replacing in .select("COUNT(post.id) AS cnt") statement
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// todo: implement joinAlways in relations and relationId
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// todo: finish partial selection
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// todo: sugar methods like: .addCount and .selectCount, selectCountAndMap, selectSum, selectSumAndMap, ...
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// todo: implement @Select decorator
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// todo: add select and map functions
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// todo: implement relation/entity loading and setting them into properties within a separate query
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// .loadAndMap("post.categories", "post.categories", qb => ...)
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// .loadAndMap("post.categories", Category, qb => ...)
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/**
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* Allows to build complex sql queries in a fashion way and execute those queries.
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*/
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var QueryBuilder = /** @class */ (function () {
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/**
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* QueryBuilder can be initialized from given Connection and QueryRunner objects or from given other QueryBuilder.
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*/
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function QueryBuilder(connectionOrQueryBuilder, queryRunner) {
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if (connectionOrQueryBuilder instanceof QueryBuilder) {
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this.connection = connectionOrQueryBuilder.connection;
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this.queryRunner = connectionOrQueryBuilder.queryRunner;
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this.expressionMap = connectionOrQueryBuilder.expressionMap.clone();
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}
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else {
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this.connection = connectionOrQueryBuilder;
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this.queryRunner = queryRunner;
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this.expressionMap = new QueryExpressionMap(this.connection);
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}
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}
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Object.defineProperty(QueryBuilder.prototype, "alias", {
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// -------------------------------------------------------------------------
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// Accessors
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// -------------------------------------------------------------------------
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/**
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* Gets the main alias string used in this query builder.
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*/
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get: function () {
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if (!this.expressionMap.mainAlias)
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throw new Error("Main alias is not set"); // todo: better exception
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return this.expressionMap.mainAlias.name;
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},
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enumerable: true,
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configurable: true
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});
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/**
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* Creates SELECT query and selects given data.
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* Replaces all previous selections if they exist.
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*/
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QueryBuilder.prototype.select = function (selection, selectionAliasName) {
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this.expressionMap.queryType = "select";
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if (selection instanceof Array) {
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this.expressionMap.selects = selection.map(function (selection) { return ({ selection: selection }); });
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}
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else if (selection) {
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this.expressionMap.selects = [{ selection: selection, aliasName: selectionAliasName }];
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}
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// loading it dynamically because of circular issue
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var SelectQueryBuilderCls = require("./SelectQueryBuilder").SelectQueryBuilder;
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if (this instanceof SelectQueryBuilderCls)
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return this;
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return new SelectQueryBuilderCls(this);
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};
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/**
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* Creates INSERT query.
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*/
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QueryBuilder.prototype.insert = function () {
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this.expressionMap.queryType = "insert";
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// loading it dynamically because of circular issue
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var InsertQueryBuilderCls = require("./InsertQueryBuilder").InsertQueryBuilder;
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if (this instanceof InsertQueryBuilderCls)
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return this;
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return new InsertQueryBuilderCls(this);
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};
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/**
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* Creates UPDATE query and applies given update values.
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*/
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QueryBuilder.prototype.update = function (entityOrTableNameUpdateSet, maybeUpdateSet) {
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var updateSet = maybeUpdateSet ? maybeUpdateSet : entityOrTableNameUpdateSet;
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entityOrTableNameUpdateSet = entityOrTableNameUpdateSet instanceof EntitySchema ? entityOrTableNameUpdateSet.options.name : entityOrTableNameUpdateSet;
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if (entityOrTableNameUpdateSet instanceof Function || typeof entityOrTableNameUpdateSet === "string") {
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var mainAlias = this.createFromAlias(entityOrTableNameUpdateSet);
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this.expressionMap.setMainAlias(mainAlias);
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}
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this.expressionMap.queryType = "update";
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this.expressionMap.valuesSet = updateSet;
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// loading it dynamically because of circular issue
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var UpdateQueryBuilderCls = require("./UpdateQueryBuilder").UpdateQueryBuilder;
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if (this instanceof UpdateQueryBuilderCls)
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return this;
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return new UpdateQueryBuilderCls(this);
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};
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/**
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* Creates DELETE query.
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*/
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QueryBuilder.prototype.delete = function () {
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this.expressionMap.queryType = "delete";
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// loading it dynamically because of circular issue
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var DeleteQueryBuilderCls = require("./DeleteQueryBuilder").DeleteQueryBuilder;
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if (this instanceof DeleteQueryBuilderCls)
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return this;
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return new DeleteQueryBuilderCls(this);
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};
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/**
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* Sets entity's relation with which this query builder gonna work.
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*/
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QueryBuilder.prototype.relation = function (entityTargetOrPropertyPath, maybePropertyPath) {
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var entityTarget = arguments.length === 2 ? entityTargetOrPropertyPath : undefined;
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var propertyPath = arguments.length === 2 ? maybePropertyPath : entityTargetOrPropertyPath;
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this.expressionMap.queryType = "relation";
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this.expressionMap.relationPropertyPath = propertyPath;
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if (entityTarget) {
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var mainAlias = this.createFromAlias(entityTarget);
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this.expressionMap.setMainAlias(mainAlias);
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}
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// loading it dynamically because of circular issue
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var RelationQueryBuilderCls = require("./RelationQueryBuilder").RelationQueryBuilder;
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if (this instanceof RelationQueryBuilderCls)
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return this;
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return new RelationQueryBuilderCls(this);
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};
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/**
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* Checks if given relation or relations exist in the entity.
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* Returns true if relation exists, false otherwise.
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*
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* todo: move this method to manager? or create a shortcut?
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*/
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QueryBuilder.prototype.hasRelation = function (target, relation) {
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var entityMetadata = this.connection.getMetadata(target);
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var relations = relation instanceof Array ? relation : [relation];
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return relations.every(function (relation) {
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return !!entityMetadata.findRelationWithPropertyPath(relation);
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});
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};
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/**
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* Sets parameter name and its value.
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*/
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QueryBuilder.prototype.setParameter = function (key, value) {
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this.expressionMap.parameters[key] = value;
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return this;
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};
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/**
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* Adds all parameters from the given object.
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*/
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QueryBuilder.prototype.setParameters = function (parameters) {
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var _this = this;
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// remove function parameters
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Object.keys(parameters).forEach(function (key) {
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if (parameters[key] instanceof Function) {
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throw new Error("Function parameter isn't supported in the parameters. Please check \"" + key + "\" parameter.");
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}
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});
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// set parent query builder parameters as well in sub-query mode
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if (this.expressionMap.parentQueryBuilder)
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this.expressionMap.parentQueryBuilder.setParameters(parameters);
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Object.keys(parameters).forEach(function (key) { return _this.setParameter(key, parameters[key]); });
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return this;
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};
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/**
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* Adds native parameters from the given object.
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*/
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QueryBuilder.prototype.setNativeParameters = function (parameters) {
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var _this = this;
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// set parent query builder parameters as well in sub-query mode
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if (this.expressionMap.parentQueryBuilder)
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this.expressionMap.parentQueryBuilder.setNativeParameters(parameters);
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Object.keys(parameters).forEach(function (key) {
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_this.expressionMap.nativeParameters[key] = parameters[key];
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});
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return this;
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};
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/**
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* Gets all parameters.
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*/
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QueryBuilder.prototype.getParameters = function () {
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var parameters = Object.assign({}, this.expressionMap.parameters);
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// add discriminator column parameter if it exist
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if (this.expressionMap.mainAlias && this.expressionMap.mainAlias.hasMetadata) {
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var metadata = this.expressionMap.mainAlias.metadata;
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if (metadata.discriminatorColumn && metadata.parentEntityMetadata) {
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var values = metadata.childEntityMetadatas
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.filter(function (childMetadata) { return childMetadata.discriminatorColumn; })
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.map(function (childMetadata) { return childMetadata.discriminatorValue; });
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values.push(metadata.discriminatorValue);
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parameters["discriminatorColumnValues"] = values;
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}
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}
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return parameters;
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};
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/**
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* Prints sql to stdout using console.log.
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*/
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QueryBuilder.prototype.printSql = function () {
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var _a = tslib_1.__read(this.getQueryAndParameters(), 2), query = _a[0], parameters = _a[1];
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this.connection.logger.logQuery(query, parameters);
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return this;
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};
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/**
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* Gets generated sql that will be executed.
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* Parameters in the query are escaped for the currently used driver.
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*/
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QueryBuilder.prototype.getSql = function () {
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return this.getQueryAndParameters()[0];
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};
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/**
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* Gets query to be executed with all parameters used in it.
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*/
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QueryBuilder.prototype.getQueryAndParameters = function () {
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// this execution order is important because getQuery method generates this.expressionMap.nativeParameters values
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var query = this.getQuery();
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var parameters = this.getParameters();
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return this.connection.driver.escapeQueryWithParameters(query, parameters, this.expressionMap.nativeParameters);
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};
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/**
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* Executes sql generated by query builder and returns raw database results.
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*/
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QueryBuilder.prototype.execute = function () {
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return tslib_1.__awaiter(this, void 0, void 0, function () {
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var _a, sql, parameters, queryRunner;
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return tslib_1.__generator(this, function (_b) {
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switch (_b.label) {
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case 0:
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_a = tslib_1.__read(this.getQueryAndParameters(), 2), sql = _a[0], parameters = _a[1];
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queryRunner = this.obtainQueryRunner();
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_b.label = 1;
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case 1:
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_b.trys.push([1, , 3, 8]);
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return [4 /*yield*/, queryRunner.query(sql, parameters)];
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case 2: return [2 /*return*/, _b.sent()]; // await is needed here because we are using finally
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case 3:
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if (!(queryRunner !== this.queryRunner)) return [3 /*break*/, 5];
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return [4 /*yield*/, queryRunner.release()];
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case 4:
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_b.sent();
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_b.label = 5;
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case 5:
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if (!(this.connection.driver instanceof SqljsDriver)) return [3 /*break*/, 7];
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return [4 /*yield*/, this.connection.driver.autoSave()];
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case 6:
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_b.sent();
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_b.label = 7;
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case 7: return [7 /*endfinally*/];
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case 8: return [2 /*return*/];
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}
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});
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});
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};
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/**
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* Creates a completely new query builder.
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* Uses same query runner as current QueryBuilder.
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*/
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QueryBuilder.prototype.createQueryBuilder = function () {
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return new this.constructor(this.connection, this.queryRunner);
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};
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/**
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* Clones query builder as it is.
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* Note: it uses new query runner, if you want query builder that uses exactly same query runner,
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* you can create query builder using its constructor, for example new SelectQueryBuilder(queryBuilder)
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* where queryBuilder is cloned QueryBuilder.
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*/
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QueryBuilder.prototype.clone = function () {
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return new this.constructor(this);
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};
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/**
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* Disables escaping.
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*/
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QueryBuilder.prototype.disableEscaping = function () {
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this.expressionMap.disableEscaping = false;
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return this;
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};
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/**
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* Escapes table name, column name or alias name using current database's escaping character.
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*/
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QueryBuilder.prototype.escape = function (name) {
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if (!this.expressionMap.disableEscaping)
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return name;
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return this.connection.driver.escape(name);
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};
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/**
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* Sets or overrides query builder's QueryRunner.
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*/
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QueryBuilder.prototype.setQueryRunner = function (queryRunner) {
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this.queryRunner = queryRunner;
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return this;
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};
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/**
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* Indicates if listeners and subscribers must be called before and after query execution.
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* Enabled by default.
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*/
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QueryBuilder.prototype.callListeners = function (enabled) {
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this.expressionMap.callListeners = enabled;
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return this;
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};
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/**
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* If set to true the query will be wrapped into a transaction.
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*/
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QueryBuilder.prototype.useTransaction = function (enabled) {
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this.expressionMap.useTransaction = enabled;
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return this;
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};
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// -------------------------------------------------------------------------
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// Protected Methods
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// -------------------------------------------------------------------------
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/**
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* Gets escaped table name with schema name if SqlServer driver used with custom
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* schema name, otherwise returns escaped table name.
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*/
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QueryBuilder.prototype.getTableName = function (tablePath) {
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var _this = this;
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return tablePath.split(".")
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.map(function (i) {
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// this condition need because in SQL Server driver when custom database name was specified and schema name was not, we got `dbName..tableName` string, and doesn't need to escape middle empty string
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if (i === "")
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return i;
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return _this.escape(i);
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}).join(".");
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};
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/**
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* Gets name of the table where insert should be performed.
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*/
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QueryBuilder.prototype.getMainTableName = function () {
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if (!this.expressionMap.mainAlias)
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throw new Error("Entity where values should be inserted is not specified. Call \"qb.into(entity)\" method to specify it.");
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if (this.expressionMap.mainAlias.hasMetadata)
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return this.expressionMap.mainAlias.metadata.tablePath;
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return this.expressionMap.mainAlias.tablePath;
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};
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/**
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* Specifies FROM which entity's table select/update/delete will be executed.
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* Also sets a main string alias of the selection data.
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*/
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QueryBuilder.prototype.createFromAlias = function (entityTarget, aliasName) {
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// if table has a metadata then find it to properly escape its properties
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// const metadata = this.connection.entityMetadatas.find(metadata => metadata.tableName === tableName);
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if (this.connection.hasMetadata(entityTarget)) {
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var metadata = this.connection.getMetadata(entityTarget);
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return this.expressionMap.createAlias({
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type: "from",
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name: aliasName,
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metadata: this.connection.getMetadata(entityTarget),
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tablePath: metadata.tablePath
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});
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}
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else {
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var subQuery = "";
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if (entityTarget instanceof Function) {
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var subQueryBuilder = entityTarget(this.subQuery());
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this.setParameters(subQueryBuilder.getParameters());
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subQuery = subQueryBuilder.getQuery();
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}
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else {
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subQuery = entityTarget;
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}
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var isSubQuery = entityTarget instanceof Function || entityTarget.substr(0, 1) === "(" && entityTarget.substr(-1) === ")";
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return this.expressionMap.createAlias({
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type: "from",
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name: aliasName,
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tablePath: isSubQuery === false ? entityTarget : undefined,
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subQuery: isSubQuery === true ? subQuery : undefined,
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});
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}
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};
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/**
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* Replaces all entity's propertyName to name in the given statement.
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*/
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QueryBuilder.prototype.replacePropertyNames = function (statement) {
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var _this = this;
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this.expressionMap.aliases.forEach(function (alias) {
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if (!alias.hasMetadata)
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return;
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var replaceAliasNamePrefix = _this.expressionMap.aliasNamePrefixingEnabled ? alias.name + "\\." : "";
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var replacementAliasNamePrefix = _this.expressionMap.aliasNamePrefixingEnabled ? _this.escape(alias.name) + "." : "";
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alias.metadata.columns.forEach(function (column) {
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var expression = "([ =\(]|^.{0})" + replaceAliasNamePrefix + column.propertyPath + "([ =\)\,]|.{0}$)";
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statement = statement.replace(new RegExp(expression, "gm"), "$1" + replacementAliasNamePrefix + _this.escape(column.databaseName) + "$2");
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var expression2 = "([ =\(]|^.{0})" + replaceAliasNamePrefix + column.propertyName + "([ =\)\,]|.{0}$)";
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statement = statement.replace(new RegExp(expression2, "gm"), "$1" + replacementAliasNamePrefix + _this.escape(column.databaseName) + "$2");
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});
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alias.metadata.relations.forEach(function (relation) {
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tslib_1.__spread(relation.joinColumns, relation.inverseJoinColumns).forEach(function (joinColumn) {
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var expression = "([ =\(]|^.{0})" + replaceAliasNamePrefix + relation.propertyPath + "\\." + joinColumn.referencedColumn.propertyPath + "([ =\)\,]|.{0}$)";
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statement = statement.replace(new RegExp(expression, "gm"), "$1" + replacementAliasNamePrefix + _this.escape(joinColumn.databaseName) + "$2"); // todo: fix relation.joinColumns[0], what if multiple columns
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});
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if (relation.joinColumns.length > 0) {
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var expression = "([ =\(]|^.{0})" + replaceAliasNamePrefix + relation.propertyPath + "([ =\)\,]|.{0}$)";
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statement = statement.replace(new RegExp(expression, "gm"), "$1" + replacementAliasNamePrefix + _this.escape(relation.joinColumns[0].databaseName) + "$2"); // todo: fix relation.joinColumns[0], what if multiple columns
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}
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});
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});
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return statement;
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};
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/**
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* Creates "WHERE" expression.
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*/
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QueryBuilder.prototype.createWhereExpression = function () {
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var conditions = this.createWhereExpressionString();
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if (this.expressionMap.mainAlias.hasMetadata) {
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var metadata = this.expressionMap.mainAlias.metadata;
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if (metadata.discriminatorColumn && metadata.parentEntityMetadata) {
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var column = this.expressionMap.aliasNamePrefixingEnabled
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? this.expressionMap.mainAlias.name + "." + metadata.discriminatorColumn.databaseName
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: metadata.discriminatorColumn.databaseName;
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var condition = this.replacePropertyNames(column) + " IN (:...discriminatorColumnValues)";
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return " WHERE " + (conditions.length ? "(" + conditions + ") AND" : "") + " " + condition;
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}
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}
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if (!conditions.length) // TODO copy in to discriminator condition
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return this.expressionMap.extraAppendedAndWhereCondition ? " WHERE " + this.replacePropertyNames(this.expressionMap.extraAppendedAndWhereCondition) : "";
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if (this.expressionMap.extraAppendedAndWhereCondition)
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return " WHERE (" + conditions + ") AND " + this.replacePropertyNames(this.expressionMap.extraAppendedAndWhereCondition);
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return " WHERE " + conditions;
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};
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/**
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* Creates "RETURNING" / "OUTPUT" expression.
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*/
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QueryBuilder.prototype.createReturningExpression = function () {
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var _this = this;
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var columns = this.getReturningColumns();
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var driver = this.connection.driver;
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// also add columns we must auto-return to perform entity updation
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// if user gave his own returning
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if (typeof this.expressionMap.returning !== "string" &&
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this.expressionMap.extraReturningColumns.length > 0 &&
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driver.isReturningSqlSupported()) {
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columns.push.apply(columns, tslib_1.__spread(this.expressionMap.extraReturningColumns.filter(function (column) {
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return columns.indexOf(column) === -1;
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})));
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}
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if (columns.length) {
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var columnsExpression = columns.map(function (column) {
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var name = _this.escape(column.databaseName);
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if (driver instanceof SqlServerDriver) {
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if (_this.expressionMap.queryType === "insert" || _this.expressionMap.queryType === "update") {
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return "INSERTED." + name;
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}
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else {
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return _this.escape(_this.getMainTableName()) + "." + name;
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}
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}
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else {
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return name;
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}
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}).join(", ");
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if (driver instanceof OracleDriver) {
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columnsExpression += " INTO " + columns.map(function (column) {
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var parameterName = "output_" + column.databaseName;
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_this.expressionMap.nativeParameters[parameterName] = { type: driver.columnTypeToNativeParameter(column.type), dir: driver.oracle.BIND_OUT };
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return _this.connection.driver.createParameter(parameterName, Object.keys(_this.expressionMap.nativeParameters).length);
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}).join(", ");
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}
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return columnsExpression;
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}
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else if (typeof this.expressionMap.returning === "string") {
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return this.expressionMap.returning;
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}
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return "";
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};
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/**
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* If returning / output cause is set to array of column names,
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* then this method will return all column metadatas of those column names.
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*/
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QueryBuilder.prototype.getReturningColumns = function () {
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var _this = this;
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var columns = [];
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if (this.expressionMap.returning instanceof Array) {
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this.expressionMap.returning.forEach(function (columnName) {
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if (_this.expressionMap.mainAlias.hasMetadata) {
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columns.push.apply(columns, tslib_1.__spread(_this.expressionMap.mainAlias.metadata.findColumnsWithPropertyPath(columnName)));
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}
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});
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}
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return columns;
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};
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/**
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* Concatenates all added where expressions into one string.
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*/
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QueryBuilder.prototype.createWhereExpressionString = function () {
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var _this = this;
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return this.expressionMap.wheres.map(function (where, index) {
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switch (where.type) {
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case "and":
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return (index > 0 ? "AND " : "") + _this.replacePropertyNames(where.condition);
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case "or":
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return (index > 0 ? "OR " : "") + _this.replacePropertyNames(where.condition);
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default:
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return _this.replacePropertyNames(where.condition);
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}
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}).join(" ");
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};
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/**
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* Creates "WHERE" expression and variables for the given "ids".
|
*/
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QueryBuilder.prototype.createWhereIdsExpression = function (ids) {
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var _this = this;
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var _a;
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var metadata = this.expressionMap.mainAlias.metadata;
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var normalized = (Array.isArray(ids) ? ids : [ids]).map(function (id) { return metadata.ensureEntityIdMap(id); });
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// using in(...ids) for single primary key entities
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if (!metadata.hasMultiplePrimaryKeys
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&& metadata.embeddeds.length === 0) {
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var primaryColumn_1 = metadata.primaryColumns[0];
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// getEntityValue will try to transform `In`, it is a bug
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// todo: remove this transformer check after #2390 is fixed
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if (!primaryColumn_1.transformer) {
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return this.computeWhereParameter((_a = {},
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_a[primaryColumn_1.propertyName] = In(normalized.map(function (id) { return primaryColumn_1.getEntityValue(id, false); })),
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_a));
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}
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}
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// create shortcuts for better readability
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var alias = this.expressionMap.aliasNamePrefixingEnabled ? this.escape(this.expressionMap.mainAlias.name) + "." : "";
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var parameterIndex = Object.keys(this.expressionMap.nativeParameters).length;
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var whereStrings = normalized.map(function (id, index) {
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var whereSubStrings = [];
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metadata.primaryColumns.forEach(function (primaryColumn, secondIndex) {
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var parameterName = "id_" + index + "_" + secondIndex;
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// whereSubStrings.push(alias + this.escape(primaryColumn.databaseName) + "=:id_" + index + "_" + secondIndex);
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whereSubStrings.push(alias + _this.escape(primaryColumn.databaseName) + " = " + _this.connection.driver.createParameter(parameterName, parameterIndex));
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_this.expressionMap.nativeParameters[parameterName] = primaryColumn.getEntityValue(id, true);
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parameterIndex++;
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});
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return whereSubStrings.join(" AND ");
|
});
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return whereStrings.length > 1
|
? "(" + whereStrings.map(function (whereString) { return "(" + whereString + ")"; }).join(" OR ") + ")"
|
: whereStrings[0];
|
};
|
/**
|
* Computes given where argument - transforms to a where string all forms it can take.
|
*/
|
QueryBuilder.prototype.computeWhereParameter = function (where) {
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var _this = this;
|
if (typeof where === "string")
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return where;
|
if (where instanceof Brackets) {
|
var whereQueryBuilder = this.createQueryBuilder();
|
where.whereFactory(whereQueryBuilder);
|
var whereString = whereQueryBuilder.createWhereExpressionString();
|
this.setParameters(whereQueryBuilder.getParameters());
|
return whereString ? "(" + whereString + ")" : "";
|
}
|
else if (where instanceof Function) {
|
return where(this);
|
}
|
else if (where instanceof Object) {
|
var wheres = where instanceof Array ? where : [where];
|
var andConditions = void 0;
|
var parameterIndex_1 = Object.keys(this.expressionMap.nativeParameters).length;
|
if (this.expressionMap.mainAlias.hasMetadata) {
|
andConditions = wheres.map(function (where, whereIndex) {
|
var propertyPaths = EntityMetadata.createPropertyPath(_this.expressionMap.mainAlias.metadata, where);
|
return propertyPaths.map(function (propertyPath, propertyIndex) {
|
var columns = _this.expressionMap.mainAlias.metadata.findColumnsWithPropertyPath(propertyPath);
|
return columns.map(function (column, columnIndex) {
|
var aliasPath = _this.expressionMap.aliasNamePrefixingEnabled ? _this.alias + "." + propertyPath : column.propertyPath;
|
var parameterValue = column.getEntityValue(where, true);
|
var parameterName = "where_" + whereIndex + "_" + propertyIndex + "_" + columnIndex;
|
var parameterBaseCount = Object.keys(_this.expressionMap.nativeParameters).filter(function (x) { return x.startsWith(parameterName); }).length;
|
if (parameterValue === null) {
|
return aliasPath + " IS NULL";
|
}
|
else if (parameterValue instanceof FindOperator) {
|
var parameters_1 = [];
|
if (parameterValue.useParameter) {
|
var realParameterValues = parameterValue.multipleParameters ? parameterValue.value : [parameterValue.value];
|
realParameterValues.forEach(function (realParameterValue, realParameterValueIndex) {
|
_this.expressionMap.nativeParameters[parameterName + (parameterBaseCount + realParameterValueIndex)] = realParameterValue;
|
parameterIndex_1++;
|
parameters_1.push(_this.connection.driver.createParameter(parameterName + (parameterBaseCount + realParameterValueIndex), parameterIndex_1 - 1));
|
});
|
}
|
return parameterValue.toSql(_this.connection, aliasPath, parameters_1);
|
}
|
else {
|
_this.expressionMap.nativeParameters[parameterName] = parameterValue;
|
parameterIndex_1++;
|
var parameter = _this.connection.driver.createParameter(parameterName, parameterIndex_1 - 1);
|
return aliasPath + " = " + parameter;
|
}
|
}).filter(function (expression) { return !!expression; }).join(" AND ");
|
}).filter(function (expression) { return !!expression; }).join(" AND ");
|
});
|
}
|
else {
|
andConditions = wheres.map(function (where, whereIndex) {
|
return Object.keys(where).map(function (key, parameterIndex) {
|
var parameterValue = where[key];
|
var aliasPath = _this.expressionMap.aliasNamePrefixingEnabled ? _this.alias + "." + key : key;
|
if (parameterValue === null) {
|
return aliasPath + " IS NULL";
|
}
|
else {
|
var parameterName = "where_" + whereIndex + "_" + parameterIndex;
|
_this.expressionMap.nativeParameters[parameterName] = parameterValue;
|
parameterIndex++;
|
return aliasPath + " = " + _this.connection.driver.createParameter(parameterName, parameterIndex - 1);
|
}
|
}).join(" AND ");
|
});
|
}
|
if (andConditions.length > 1)
|
return andConditions.map(function (where) { return "(" + where + ")"; }).join(" OR ");
|
return andConditions.join("");
|
}
|
return "";
|
};
|
/**
|
* Creates a query builder used to execute sql queries inside this query builder.
|
*/
|
QueryBuilder.prototype.obtainQueryRunner = function () {
|
return this.queryRunner || this.connection.createQueryRunner("master");
|
};
|
return QueryBuilder;
|
}());
|
export { QueryBuilder };
|
|
//# sourceMappingURL=QueryBuilder.js.map
|
