primer cambio
This commit is contained in:
beseira13
826
node_modules/sequelize/lib/dialects/mssql/query-generator.js
generated
vendored
Normal file
826
node_modules/sequelize/lib/dialects/mssql/query-generator.js
generated
vendored
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@@ -0,0 +1,826 @@
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"use strict";
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var __defProp = Object.defineProperty;
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var __getOwnPropSymbols = Object.getOwnPropertySymbols;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __propIsEnum = Object.prototype.propertyIsEnumerable;
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var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
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var __spreadValues = (a, b) => {
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for (var prop in b || (b = {}))
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if (__hasOwnProp.call(b, prop))
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__defNormalProp(a, prop, b[prop]);
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if (__getOwnPropSymbols)
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for (var prop of __getOwnPropSymbols(b)) {
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if (__propIsEnum.call(b, prop))
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__defNormalProp(a, prop, b[prop]);
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}
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return a;
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};
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const _ = require("lodash");
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const Utils = require("../../utils");
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const DataTypes = require("../../data-types");
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const TableHints = require("../../table-hints");
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const AbstractQueryGenerator = require("../abstract/query-generator");
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const randomBytes = require("crypto").randomBytes;
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const semver = require("semver");
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const Op = require("../../operators");
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const throwMethodUndefined = function(methodName) {
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throw new Error(`The method "${methodName}" is not defined! Please add it to your sql dialect.`);
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};
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class MSSQLQueryGenerator extends AbstractQueryGenerator {
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createDatabaseQuery(databaseName, options) {
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options = __spreadValues({ collate: null }, options);
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const collation = options.collate ? `COLLATE ${this.escape(options.collate)}` : "";
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return [
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"IF NOT EXISTS (SELECT * FROM sys.databases WHERE name =",
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wrapSingleQuote(databaseName),
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")",
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"BEGIN",
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"CREATE DATABASE",
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this.quoteIdentifier(databaseName),
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`${collation};`,
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"END;"
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].join(" ");
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}
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dropDatabaseQuery(databaseName) {
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return [
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"IF EXISTS (SELECT * FROM sys.databases WHERE name =",
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wrapSingleQuote(databaseName),
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")",
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"BEGIN",
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"DROP DATABASE",
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this.quoteIdentifier(databaseName),
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";",
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"END;"
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].join(" ");
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}
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createSchema(schema) {
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return [
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"IF NOT EXISTS (SELECT schema_name",
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"FROM information_schema.schemata",
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"WHERE schema_name =",
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wrapSingleQuote(schema),
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")",
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"BEGIN",
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"EXEC sp_executesql N'CREATE SCHEMA",
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this.quoteIdentifier(schema),
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";'",
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"END;"
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].join(" ");
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}
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dropSchema(schema) {
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const quotedSchema = wrapSingleQuote(schema);
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return [
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"IF EXISTS (SELECT schema_name",
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"FROM information_schema.schemata",
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"WHERE schema_name =",
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quotedSchema,
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")",
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"BEGIN",
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"DECLARE @id INT, @ms_sql NVARCHAR(2000);",
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"DECLARE @cascade TABLE (",
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"id INT NOT NULL IDENTITY PRIMARY KEY,",
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"ms_sql NVARCHAR(2000) NOT NULL );",
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"INSERT INTO @cascade ( ms_sql )",
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"SELECT CASE WHEN o.type IN ('F','PK')",
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"THEN N'ALTER TABLE ['+ s.name + N'].[' + p.name + N'] DROP CONSTRAINT [' + o.name + N']'",
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"ELSE N'DROP TABLE ['+ s.name + N'].[' + o.name + N']' END",
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"FROM sys.objects o",
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"JOIN sys.schemas s on o.schema_id = s.schema_id",
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"LEFT OUTER JOIN sys.objects p on o.parent_object_id = p.object_id",
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"WHERE o.type IN ('F', 'PK', 'U') AND s.name = ",
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quotedSchema,
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"ORDER BY o.type ASC;",
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"SELECT TOP 1 @id = id, @ms_sql = ms_sql FROM @cascade ORDER BY id;",
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"WHILE @id IS NOT NULL",
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"BEGIN",
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"BEGIN TRY EXEC sp_executesql @ms_sql; END TRY",
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"BEGIN CATCH BREAK; THROW; END CATCH;",
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"DELETE FROM @cascade WHERE id = @id;",
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"SELECT @id = NULL, @ms_sql = NULL;",
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"SELECT TOP 1 @id = id, @ms_sql = ms_sql FROM @cascade ORDER BY id;",
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"END",
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"EXEC sp_executesql N'DROP SCHEMA",
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this.quoteIdentifier(schema),
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";'",
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"END;"
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].join(" ");
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}
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showSchemasQuery() {
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return [
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'SELECT "name" as "schema_name" FROM sys.schemas as s',
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'WHERE "s"."name" NOT IN (',
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"'INFORMATION_SCHEMA', 'dbo', 'guest', 'sys', 'archive'",
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")",
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"AND",
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'"s"."name" NOT LIKE',
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"'db_%'"
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].join(" ");
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}
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versionQuery() {
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return [
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"DECLARE @ms_ver NVARCHAR(20);",
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"SET @ms_ver = REVERSE(CONVERT(NVARCHAR(20), SERVERPROPERTY('ProductVersion')));",
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"SELECT REVERSE(SUBSTRING(@ms_ver, CHARINDEX('.', @ms_ver)+1, 20)) AS 'version'"
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].join(" ");
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}
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createTableQuery(tableName, attributes, options) {
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const primaryKeys = [], foreignKeys = {}, attributesClauseParts = [];
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let commentStr = "";
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for (const attr in attributes) {
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if (Object.prototype.hasOwnProperty.call(attributes, attr)) {
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let dataType = attributes[attr];
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let match;
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if (dataType.includes("COMMENT ")) {
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const commentMatch = dataType.match(/^(.+) (COMMENT.*)$/);
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const commentText = commentMatch[2].replace("COMMENT", "").trim();
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commentStr += this.commentTemplate(commentText, tableName, attr);
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dataType = commentMatch[1];
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}
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if (dataType.includes("PRIMARY KEY")) {
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primaryKeys.push(attr);
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if (dataType.includes("REFERENCES")) {
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match = dataType.match(/^(.+) (REFERENCES.*)$/);
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attributesClauseParts.push(`${this.quoteIdentifier(attr)} ${match[1].replace("PRIMARY KEY", "")}`);
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foreignKeys[attr] = match[2];
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} else {
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attributesClauseParts.push(`${this.quoteIdentifier(attr)} ${dataType.replace("PRIMARY KEY", "")}`);
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}
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} else if (dataType.includes("REFERENCES")) {
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match = dataType.match(/^(.+) (REFERENCES.*)$/);
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attributesClauseParts.push(`${this.quoteIdentifier(attr)} ${match[1]}`);
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foreignKeys[attr] = match[2];
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} else {
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attributesClauseParts.push(`${this.quoteIdentifier(attr)} ${dataType}`);
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}
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}
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}
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const pkString = primaryKeys.map((pk) => this.quoteIdentifier(pk)).join(", ");
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if (options.uniqueKeys) {
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_.each(options.uniqueKeys, (columns, indexName) => {
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if (columns.customIndex) {
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if (typeof indexName !== "string") {
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indexName = `uniq_${tableName}_${columns.fields.join("_")}`;
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}
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attributesClauseParts.push(`CONSTRAINT ${this.quoteIdentifier(indexName)} UNIQUE (${columns.fields.map((field) => this.quoteIdentifier(field)).join(", ")})`);
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}
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});
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}
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if (pkString.length > 0) {
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attributesClauseParts.push(`PRIMARY KEY (${pkString})`);
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}
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for (const fkey in foreignKeys) {
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if (Object.prototype.hasOwnProperty.call(foreignKeys, fkey)) {
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attributesClauseParts.push(`FOREIGN KEY (${this.quoteIdentifier(fkey)}) ${foreignKeys[fkey]}`);
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}
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}
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const quotedTableName = this.quoteTable(tableName);
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return Utils.joinSQLFragments([
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`IF OBJECT_ID('${quotedTableName}', 'U') IS NULL`,
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`CREATE TABLE ${quotedTableName} (${attributesClauseParts.join(", ")})`,
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";",
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commentStr
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]);
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}
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describeTableQuery(tableName, schema) {
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let sql = [
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"SELECT",
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"c.COLUMN_NAME AS 'Name',",
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"c.DATA_TYPE AS 'Type',",
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"c.CHARACTER_MAXIMUM_LENGTH AS 'Length',",
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"c.IS_NULLABLE as 'IsNull',",
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"COLUMN_DEFAULT AS 'Default',",
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"pk.CONSTRAINT_TYPE AS 'Constraint',",
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"COLUMNPROPERTY(OBJECT_ID('[' + c.TABLE_SCHEMA + '].[' + c.TABLE_NAME + ']'), c.COLUMN_NAME, 'IsIdentity') as 'IsIdentity',",
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"CAST(prop.value AS NVARCHAR) AS 'Comment'",
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"FROM",
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"INFORMATION_SCHEMA.TABLES t",
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"INNER JOIN",
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"INFORMATION_SCHEMA.COLUMNS c ON t.TABLE_NAME = c.TABLE_NAME AND t.TABLE_SCHEMA = c.TABLE_SCHEMA",
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"LEFT JOIN (SELECT tc.table_schema, tc.table_name, ",
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"cu.column_name, tc.CONSTRAINT_TYPE ",
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"FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS tc ",
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"JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE cu ",
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"ON tc.table_schema=cu.table_schema and tc.table_name=cu.table_name ",
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"and tc.constraint_name=cu.constraint_name ",
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"and tc.CONSTRAINT_TYPE='PRIMARY KEY') pk ",
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"ON pk.table_schema=c.table_schema ",
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"AND pk.table_name=c.table_name ",
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"AND pk.column_name=c.column_name ",
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"INNER JOIN sys.columns AS sc",
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"ON sc.object_id = OBJECT_ID('[' + t.TABLE_SCHEMA + '].[' + t.TABLE_NAME + ']') AND sc.name = c.column_name",
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"LEFT JOIN sys.extended_properties prop ON prop.major_id = sc.object_id",
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"AND prop.minor_id = sc.column_id",
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"AND prop.name = 'MS_Description'",
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"WHERE t.TABLE_NAME =",
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wrapSingleQuote(tableName)
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].join(" ");
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if (schema) {
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sql += `AND t.TABLE_SCHEMA =${wrapSingleQuote(schema)}`;
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}
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return sql;
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}
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renameTableQuery(before, after) {
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return `EXEC sp_rename ${this.quoteTable(before)}, ${this.quoteTable(after)};`;
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}
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showTablesQuery() {
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return "SELECT TABLE_NAME, TABLE_SCHEMA FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE';";
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}
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tableExistsQuery(table) {
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const tableName = table.tableName || table;
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const schemaName = table.schema || "dbo";
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return `SELECT TABLE_NAME, TABLE_SCHEMA FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_NAME = ${this.escape(tableName)} AND TABLE_SCHEMA = ${this.escape(schemaName)}`;
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}
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dropTableQuery(tableName) {
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const quoteTbl = this.quoteTable(tableName);
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return Utils.joinSQLFragments([
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`IF OBJECT_ID('${quoteTbl}', 'U') IS NOT NULL`,
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"DROP TABLE",
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quoteTbl,
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";"
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]);
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}
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addColumnQuery(table, key, dataType) {
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dataType.field = key;
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let commentStr = "";
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if (dataType.comment && _.isString(dataType.comment)) {
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commentStr = this.commentTemplate(dataType.comment, table, key);
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delete dataType["comment"];
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}
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return Utils.joinSQLFragments([
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"ALTER TABLE",
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this.quoteTable(table),
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"ADD",
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this.quoteIdentifier(key),
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this.attributeToSQL(dataType, { context: "addColumn" }),
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";",
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commentStr
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]);
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}
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commentTemplate(comment, table, column) {
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return ` EXEC sp_addextendedproperty @name = N'MS_Description', @value = ${this.escape(comment)}, @level0type = N'Schema', @level0name = 'dbo', @level1type = N'Table', @level1name = ${this.quoteIdentifier(table)}, @level2type = N'Column', @level2name = ${this.quoteIdentifier(column)};`;
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}
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removeColumnQuery(tableName, attributeName) {
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return Utils.joinSQLFragments([
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"ALTER TABLE",
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this.quoteTable(tableName),
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"DROP COLUMN",
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this.quoteIdentifier(attributeName),
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";"
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]);
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}
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changeColumnQuery(tableName, attributes) {
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const attrString = [], constraintString = [];
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let commentString = "";
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for (const attributeName in attributes) {
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const quotedAttrName = this.quoteIdentifier(attributeName);
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let definition = attributes[attributeName];
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if (definition.includes("COMMENT ")) {
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const commentMatch = definition.match(/^(.+) (COMMENT.*)$/);
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const commentText = commentMatch[2].replace("COMMENT", "").trim();
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commentString += this.commentTemplate(commentText, tableName, attributeName);
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definition = commentMatch[1];
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}
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if (definition.includes("REFERENCES")) {
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constraintString.push(`FOREIGN KEY (${quotedAttrName}) ${definition.replace(/.+?(?=REFERENCES)/, "")}`);
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} else {
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attrString.push(`${quotedAttrName} ${definition}`);
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}
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}
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return Utils.joinSQLFragments([
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"ALTER TABLE",
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this.quoteTable(tableName),
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attrString.length && `ALTER COLUMN ${attrString.join(", ")}`,
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constraintString.length && `ADD ${constraintString.join(", ")}`,
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";",
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commentString
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]);
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}
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renameColumnQuery(tableName, attrBefore, attributes) {
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const newName = Object.keys(attributes)[0];
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return Utils.joinSQLFragments([
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"EXEC sp_rename",
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`'${this.quoteTable(tableName)}.${attrBefore}',`,
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`'${newName}',`,
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"'COLUMN'",
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";"
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]);
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}
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bulkInsertQuery(tableName, attrValueHashes, options, attributes) {
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const quotedTable = this.quoteTable(tableName);
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options = options || {};
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attributes = attributes || {};
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const tuples = [];
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const allAttributes = [];
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const allQueries = [];
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let needIdentityInsertWrapper = false, outputFragment = "";
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if (options.returning) {
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const returnValues = this.generateReturnValues(attributes, options);
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outputFragment = returnValues.outputFragment;
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}
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const emptyQuery = `INSERT INTO ${quotedTable}${outputFragment} DEFAULT VALUES`;
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attrValueHashes.forEach((attrValueHash) => {
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const fields = Object.keys(attrValueHash);
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const firstAttr = attributes[fields[0]];
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if (fields.length === 1 && firstAttr && firstAttr.autoIncrement && attrValueHash[fields[0]] === null) {
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allQueries.push(emptyQuery);
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return;
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}
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_.forOwn(attrValueHash, (value, key) => {
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||||
if (value !== null && attributes[key] && attributes[key].autoIncrement) {
|
||||
needIdentityInsertWrapper = true;
|
||||
}
|
||||
if (!allAttributes.includes(key)) {
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if (value === null && attributes[key] && attributes[key].autoIncrement)
|
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return;
|
||||
allAttributes.push(key);
|
||||
}
|
||||
});
|
||||
});
|
||||
if (allAttributes.length > 0) {
|
||||
attrValueHashes.forEach((attrValueHash) => {
|
||||
tuples.push(`(${allAttributes.map((key) => this.escape(attrValueHash[key])).join(",")})`);
|
||||
});
|
||||
const quotedAttributes = allAttributes.map((attr) => this.quoteIdentifier(attr)).join(",");
|
||||
allQueries.push((tupleStr) => `INSERT INTO ${quotedTable} (${quotedAttributes})${outputFragment} VALUES ${tupleStr};`);
|
||||
}
|
||||
const commands = [];
|
||||
let offset = 0;
|
||||
const batch = Math.floor(250 / (allAttributes.length + 1)) + 1;
|
||||
while (offset < Math.max(tuples.length, 1)) {
|
||||
const tupleStr = tuples.slice(offset, Math.min(tuples.length, offset + batch));
|
||||
let generatedQuery = allQueries.map((v) => typeof v === "string" ? v : v(tupleStr)).join(";");
|
||||
if (needIdentityInsertWrapper) {
|
||||
generatedQuery = `SET IDENTITY_INSERT ${quotedTable} ON; ${generatedQuery}; SET IDENTITY_INSERT ${quotedTable} OFF;`;
|
||||
}
|
||||
commands.push(generatedQuery);
|
||||
offset += batch;
|
||||
}
|
||||
return commands.join(";");
|
||||
}
|
||||
updateQuery(tableName, attrValueHash, where, options, attributes) {
|
||||
const sql = super.updateQuery(tableName, attrValueHash, where, options, attributes);
|
||||
if (options.limit) {
|
||||
const updateArgs = `UPDATE TOP(${this.escape(options.limit)})`;
|
||||
sql.query = sql.query.replace("UPDATE", updateArgs);
|
||||
}
|
||||
return sql;
|
||||
}
|
||||
upsertQuery(tableName, insertValues, updateValues, where, model) {
|
||||
const targetTableAlias = this.quoteTable(`${tableName}_target`);
|
||||
const sourceTableAlias = this.quoteTable(`${tableName}_source`);
|
||||
const primaryKeysAttrs = [];
|
||||
const identityAttrs = [];
|
||||
const uniqueAttrs = [];
|
||||
const tableNameQuoted = this.quoteTable(tableName);
|
||||
let needIdentityInsertWrapper = false;
|
||||
for (const key in model.rawAttributes) {
|
||||
if (model.rawAttributes[key].primaryKey) {
|
||||
primaryKeysAttrs.push(model.rawAttributes[key].field || key);
|
||||
}
|
||||
if (model.rawAttributes[key].unique) {
|
||||
uniqueAttrs.push(model.rawAttributes[key].field || key);
|
||||
}
|
||||
if (model.rawAttributes[key].autoIncrement) {
|
||||
identityAttrs.push(model.rawAttributes[key].field || key);
|
||||
}
|
||||
}
|
||||
for (const index of model._indexes) {
|
||||
if (index.unique && index.fields) {
|
||||
for (const field of index.fields) {
|
||||
const fieldName = typeof field === "string" ? field : field.name || field.attribute;
|
||||
if (!uniqueAttrs.includes(fieldName) && model.rawAttributes[fieldName]) {
|
||||
uniqueAttrs.push(fieldName);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
const updateKeys = Object.keys(updateValues);
|
||||
const insertKeys = Object.keys(insertValues);
|
||||
const insertKeysQuoted = insertKeys.map((key) => this.quoteIdentifier(key)).join(", ");
|
||||
const insertValuesEscaped = insertKeys.map((key) => this.escape(insertValues[key])).join(", ");
|
||||
const sourceTableQuery = `VALUES(${insertValuesEscaped})`;
|
||||
let joinCondition;
|
||||
identityAttrs.forEach((key) => {
|
||||
if (insertValues[key] && insertValues[key] !== null) {
|
||||
needIdentityInsertWrapper = true;
|
||||
}
|
||||
});
|
||||
const clauses = where[Op.or].filter((clause) => {
|
||||
let valid = true;
|
||||
for (const key in clause) {
|
||||
if (typeof clause[key] === "undefined" || clause[key] == null) {
|
||||
valid = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
return valid;
|
||||
});
|
||||
const getJoinSnippet = (array) => {
|
||||
return array.map((key) => {
|
||||
key = this.quoteIdentifier(key);
|
||||
return `${targetTableAlias}.${key} = ${sourceTableAlias}.${key}`;
|
||||
});
|
||||
};
|
||||
if (clauses.length === 0) {
|
||||
throw new Error("Primary Key or Unique key should be passed to upsert query");
|
||||
} else {
|
||||
for (const key in clauses) {
|
||||
const keys = Object.keys(clauses[key]);
|
||||
if (primaryKeysAttrs.includes(keys[0])) {
|
||||
joinCondition = getJoinSnippet(primaryKeysAttrs).join(" AND ");
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!joinCondition) {
|
||||
joinCondition = getJoinSnippet(uniqueAttrs).join(" AND ");
|
||||
}
|
||||
}
|
||||
const filteredUpdateClauses = updateKeys.filter((key) => !identityAttrs.includes(key)).map((key) => {
|
||||
const value = this.escape(updateValues[key]);
|
||||
key = this.quoteIdentifier(key);
|
||||
return `${targetTableAlias}.${key} = ${value}`;
|
||||
});
|
||||
const updateSnippet = filteredUpdateClauses.length > 0 ? `WHEN MATCHED THEN UPDATE SET ${filteredUpdateClauses.join(", ")}` : "";
|
||||
const insertSnippet = `(${insertKeysQuoted}) VALUES(${insertValuesEscaped})`;
|
||||
let query = `MERGE INTO ${tableNameQuoted} WITH(HOLDLOCK) AS ${targetTableAlias} USING (${sourceTableQuery}) AS ${sourceTableAlias}(${insertKeysQuoted}) ON ${joinCondition}`;
|
||||
query += ` ${updateSnippet} WHEN NOT MATCHED THEN INSERT ${insertSnippet} OUTPUT $action, INSERTED.*;`;
|
||||
if (needIdentityInsertWrapper) {
|
||||
query = `SET IDENTITY_INSERT ${tableNameQuoted} ON; ${query} SET IDENTITY_INSERT ${tableNameQuoted} OFF;`;
|
||||
}
|
||||
return query;
|
||||
}
|
||||
truncateTableQuery(tableName) {
|
||||
return `TRUNCATE TABLE ${this.quoteTable(tableName)}`;
|
||||
}
|
||||
deleteQuery(tableName, where, options = {}, model) {
|
||||
const table = this.quoteTable(tableName);
|
||||
const whereClause = this.getWhereConditions(where, null, model, options);
|
||||
return Utils.joinSQLFragments([
|
||||
"DELETE",
|
||||
options.limit && `TOP(${this.escape(options.limit)})`,
|
||||
"FROM",
|
||||
table,
|
||||
whereClause && `WHERE ${whereClause}`,
|
||||
";",
|
||||
"SELECT @@ROWCOUNT AS AFFECTEDROWS",
|
||||
";"
|
||||
]);
|
||||
}
|
||||
showIndexesQuery(tableName) {
|
||||
return `EXEC sys.sp_helpindex @objname = N'${this.quoteTable(tableName)}';`;
|
||||
}
|
||||
showConstraintsQuery(tableName) {
|
||||
return `EXEC sp_helpconstraint @objname = ${this.escape(this.quoteTable(tableName))};`;
|
||||
}
|
||||
removeIndexQuery(tableName, indexNameOrAttributes) {
|
||||
let indexName = indexNameOrAttributes;
|
||||
if (typeof indexName !== "string") {
|
||||
indexName = Utils.underscore(`${tableName}_${indexNameOrAttributes.join("_")}`);
|
||||
}
|
||||
return `DROP INDEX ${this.quoteIdentifiers(indexName)} ON ${this.quoteIdentifiers(tableName)}`;
|
||||
}
|
||||
attributeToSQL(attribute, options) {
|
||||
if (!_.isPlainObject(attribute)) {
|
||||
attribute = {
|
||||
type: attribute
|
||||
};
|
||||
}
|
||||
if (attribute.references) {
|
||||
if (attribute.Model && attribute.Model.tableName === attribute.references.model) {
|
||||
this.sequelize.log("MSSQL does not support self referencial constraints, we will remove it but we recommend restructuring your query");
|
||||
attribute.onDelete = "";
|
||||
attribute.onUpdate = "";
|
||||
}
|
||||
}
|
||||
let template;
|
||||
if (attribute.type instanceof DataTypes.ENUM) {
|
||||
if (attribute.type.values && !attribute.values)
|
||||
attribute.values = attribute.type.values;
|
||||
template = attribute.type.toSql();
|
||||
template += ` CHECK (${this.quoteIdentifier(attribute.field)} IN(${attribute.values.map((value) => {
|
||||
return this.escape(value);
|
||||
}).join(", ")}))`;
|
||||
return template;
|
||||
}
|
||||
template = attribute.type.toString();
|
||||
if (attribute.allowNull === false) {
|
||||
template += " NOT NULL";
|
||||
} else if (!attribute.primaryKey && !Utils.defaultValueSchemable(attribute.defaultValue)) {
|
||||
template += " NULL";
|
||||
}
|
||||
if (attribute.autoIncrement) {
|
||||
template += " IDENTITY(1,1)";
|
||||
}
|
||||
if (attribute.type !== "TEXT" && attribute.type._binary !== true && Utils.defaultValueSchemable(attribute.defaultValue)) {
|
||||
template += ` DEFAULT ${this.escape(attribute.defaultValue)}`;
|
||||
}
|
||||
if (attribute.unique === true) {
|
||||
template += " UNIQUE";
|
||||
}
|
||||
if (attribute.primaryKey) {
|
||||
template += " PRIMARY KEY";
|
||||
}
|
||||
if ((!options || !options.withoutForeignKeyConstraints) && attribute.references) {
|
||||
template += ` REFERENCES ${this.quoteTable(attribute.references.model)}`;
|
||||
if (attribute.references.key) {
|
||||
template += ` (${this.quoteIdentifier(attribute.references.key)})`;
|
||||
} else {
|
||||
template += ` (${this.quoteIdentifier("id")})`;
|
||||
}
|
||||
if (attribute.onDelete) {
|
||||
template += ` ON DELETE ${attribute.onDelete.toUpperCase()}`;
|
||||
}
|
||||
if (attribute.onUpdate) {
|
||||
template += ` ON UPDATE ${attribute.onUpdate.toUpperCase()}`;
|
||||
}
|
||||
}
|
||||
if (attribute.comment && typeof attribute.comment === "string") {
|
||||
template += ` COMMENT ${attribute.comment}`;
|
||||
}
|
||||
return template;
|
||||
}
|
||||
attributesToSQL(attributes, options) {
|
||||
const result = {}, existingConstraints = [];
|
||||
let key, attribute;
|
||||
for (key in attributes) {
|
||||
attribute = attributes[key];
|
||||
if (attribute.references) {
|
||||
if (existingConstraints.includes(attribute.references.model.toString())) {
|
||||
attribute.onDelete = "";
|
||||
attribute.onUpdate = "";
|
||||
} else {
|
||||
existingConstraints.push(attribute.references.model.toString());
|
||||
attribute.onUpdate = "";
|
||||
}
|
||||
}
|
||||
if (key && !attribute.field)
|
||||
attribute.field = key;
|
||||
result[attribute.field || key] = this.attributeToSQL(attribute, options);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
createTrigger() {
|
||||
throwMethodUndefined("createTrigger");
|
||||
}
|
||||
dropTrigger() {
|
||||
throwMethodUndefined("dropTrigger");
|
||||
}
|
||||
renameTrigger() {
|
||||
throwMethodUndefined("renameTrigger");
|
||||
}
|
||||
createFunction() {
|
||||
throwMethodUndefined("createFunction");
|
||||
}
|
||||
dropFunction() {
|
||||
throwMethodUndefined("dropFunction");
|
||||
}
|
||||
renameFunction() {
|
||||
throwMethodUndefined("renameFunction");
|
||||
}
|
||||
_getForeignKeysQueryPrefix(catalogName) {
|
||||
return `${"SELECT constraint_name = OBJ.NAME, constraintName = OBJ.NAME, "}${catalogName ? `constraintCatalog = '${catalogName}', ` : ""}constraintSchema = SCHEMA_NAME(OBJ.SCHEMA_ID), tableName = TB.NAME, tableSchema = SCHEMA_NAME(TB.SCHEMA_ID), ${catalogName ? `tableCatalog = '${catalogName}', ` : ""}columnName = COL.NAME, referencedTableSchema = SCHEMA_NAME(RTB.SCHEMA_ID), ${catalogName ? `referencedCatalog = '${catalogName}', ` : ""}referencedTableName = RTB.NAME, referencedColumnName = RCOL.NAME FROM sys.foreign_key_columns FKC INNER JOIN sys.objects OBJ ON OBJ.OBJECT_ID = FKC.CONSTRAINT_OBJECT_ID INNER JOIN sys.tables TB ON TB.OBJECT_ID = FKC.PARENT_OBJECT_ID INNER JOIN sys.columns COL ON COL.COLUMN_ID = PARENT_COLUMN_ID AND COL.OBJECT_ID = TB.OBJECT_ID INNER JOIN sys.tables RTB ON RTB.OBJECT_ID = FKC.REFERENCED_OBJECT_ID INNER JOIN sys.columns RCOL ON RCOL.COLUMN_ID = REFERENCED_COLUMN_ID AND RCOL.OBJECT_ID = RTB.OBJECT_ID`;
|
||||
}
|
||||
getForeignKeysQuery(table, catalogName) {
|
||||
const tableName = table.tableName || table;
|
||||
let sql = `${this._getForeignKeysQueryPrefix(catalogName)} WHERE TB.NAME =${wrapSingleQuote(tableName)}`;
|
||||
if (table.schema) {
|
||||
sql += ` AND SCHEMA_NAME(TB.SCHEMA_ID) =${wrapSingleQuote(table.schema)}`;
|
||||
}
|
||||
return sql;
|
||||
}
|
||||
getForeignKeyQuery(table, attributeName) {
|
||||
const tableName = table.tableName || table;
|
||||
return Utils.joinSQLFragments([
|
||||
this._getForeignKeysQueryPrefix(),
|
||||
"WHERE",
|
||||
`TB.NAME =${wrapSingleQuote(tableName)}`,
|
||||
"AND",
|
||||
`COL.NAME =${wrapSingleQuote(attributeName)}`,
|
||||
table.schema && `AND SCHEMA_NAME(TB.SCHEMA_ID) =${wrapSingleQuote(table.schema)}`
|
||||
]);
|
||||
}
|
||||
getPrimaryKeyConstraintQuery(table, attributeName) {
|
||||
const tableName = wrapSingleQuote(table.tableName || table);
|
||||
return Utils.joinSQLFragments([
|
||||
"SELECT K.TABLE_NAME AS tableName,",
|
||||
"K.COLUMN_NAME AS columnName,",
|
||||
"K.CONSTRAINT_NAME AS constraintName",
|
||||
"FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS AS C",
|
||||
"JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE AS K",
|
||||
"ON C.TABLE_NAME = K.TABLE_NAME",
|
||||
"AND C.CONSTRAINT_CATALOG = K.CONSTRAINT_CATALOG",
|
||||
"AND C.CONSTRAINT_SCHEMA = K.CONSTRAINT_SCHEMA",
|
||||
"AND C.CONSTRAINT_NAME = K.CONSTRAINT_NAME",
|
||||
"WHERE C.CONSTRAINT_TYPE = 'PRIMARY KEY'",
|
||||
`AND K.COLUMN_NAME = ${wrapSingleQuote(attributeName)}`,
|
||||
`AND K.TABLE_NAME = ${tableName}`,
|
||||
";"
|
||||
]);
|
||||
}
|
||||
dropForeignKeyQuery(tableName, foreignKey) {
|
||||
return Utils.joinSQLFragments([
|
||||
"ALTER TABLE",
|
||||
this.quoteTable(tableName),
|
||||
"DROP",
|
||||
this.quoteIdentifier(foreignKey)
|
||||
]);
|
||||
}
|
||||
getDefaultConstraintQuery(tableName, attributeName) {
|
||||
const quotedTable = this.quoteTable(tableName);
|
||||
return Utils.joinSQLFragments([
|
||||
"SELECT name FROM sys.default_constraints",
|
||||
`WHERE PARENT_OBJECT_ID = OBJECT_ID('${quotedTable}', 'U')`,
|
||||
`AND PARENT_COLUMN_ID = (SELECT column_id FROM sys.columns WHERE NAME = ('${attributeName}')`,
|
||||
`AND object_id = OBJECT_ID('${quotedTable}', 'U'))`,
|
||||
";"
|
||||
]);
|
||||
}
|
||||
dropConstraintQuery(tableName, constraintName) {
|
||||
return Utils.joinSQLFragments([
|
||||
"ALTER TABLE",
|
||||
this.quoteTable(tableName),
|
||||
"DROP CONSTRAINT",
|
||||
this.quoteIdentifier(constraintName),
|
||||
";"
|
||||
]);
|
||||
}
|
||||
setIsolationLevelQuery() {
|
||||
}
|
||||
generateTransactionId() {
|
||||
return randomBytes(10).toString("hex");
|
||||
}
|
||||
startTransactionQuery(transaction) {
|
||||
if (transaction.parent) {
|
||||
return `SAVE TRANSACTION ${this.quoteIdentifier(transaction.name)};`;
|
||||
}
|
||||
return "BEGIN TRANSACTION;";
|
||||
}
|
||||
commitTransactionQuery(transaction) {
|
||||
if (transaction.parent) {
|
||||
return;
|
||||
}
|
||||
return "COMMIT TRANSACTION;";
|
||||
}
|
||||
rollbackTransactionQuery(transaction) {
|
||||
if (transaction.parent) {
|
||||
return `ROLLBACK TRANSACTION ${this.quoteIdentifier(transaction.name)};`;
|
||||
}
|
||||
return "ROLLBACK TRANSACTION;";
|
||||
}
|
||||
selectFromTableFragment(options, model, attributes, tables, mainTableAs, where) {
|
||||
this._throwOnEmptyAttributes(attributes, { modelName: model && model.name, as: mainTableAs });
|
||||
const dbVersion = this.sequelize.options.databaseVersion;
|
||||
const isSQLServer2008 = semver.valid(dbVersion) && semver.lt(dbVersion, "11.0.0");
|
||||
if (isSQLServer2008 && options.offset) {
|
||||
const offset = options.offset || 0;
|
||||
const isSubQuery = options.hasIncludeWhere || options.hasIncludeRequired || options.hasMultiAssociation;
|
||||
let orders = { mainQueryOrder: [] };
|
||||
if (options.order) {
|
||||
orders = this.getQueryOrders(options, model, isSubQuery);
|
||||
}
|
||||
if (orders.mainQueryOrder.length === 0) {
|
||||
orders.mainQueryOrder.push(this.quoteIdentifier(model.primaryKeyField));
|
||||
}
|
||||
const tmpTable = mainTableAs || "OffsetTable";
|
||||
if (options.include) {
|
||||
const subQuery = options.subQuery === void 0 ? options.limit && options.hasMultiAssociation : options.subQuery;
|
||||
const mainTable = {
|
||||
name: mainTableAs,
|
||||
quotedName: null,
|
||||
as: null,
|
||||
model
|
||||
};
|
||||
const topLevelInfo = {
|
||||
names: mainTable,
|
||||
options,
|
||||
subQuery
|
||||
};
|
||||
let mainJoinQueries = [];
|
||||
for (const include of options.include) {
|
||||
if (include.separate) {
|
||||
continue;
|
||||
}
|
||||
const joinQueries = this.generateInclude(include, { externalAs: mainTableAs, internalAs: mainTableAs }, topLevelInfo);
|
||||
mainJoinQueries = mainJoinQueries.concat(joinQueries.mainQuery);
|
||||
}
|
||||
return Utils.joinSQLFragments([
|
||||
"SELECT TOP 100 PERCENT",
|
||||
attributes.join(", "),
|
||||
"FROM (",
|
||||
[
|
||||
"SELECT",
|
||||
options.limit && `TOP ${options.limit}`,
|
||||
"* FROM (",
|
||||
[
|
||||
"SELECT ROW_NUMBER() OVER (",
|
||||
[
|
||||
"ORDER BY",
|
||||
orders.mainQueryOrder.join(", ")
|
||||
],
|
||||
`) as row_num, ${tmpTable}.* FROM (`,
|
||||
[
|
||||
"SELECT DISTINCT",
|
||||
`${tmpTable}.* FROM ${tables} AS ${tmpTable}`,
|
||||
mainJoinQueries,
|
||||
where && `WHERE ${where}`
|
||||
],
|
||||
`) AS ${tmpTable}`
|
||||
],
|
||||
`) AS ${tmpTable} WHERE row_num > ${offset}`
|
||||
],
|
||||
`) AS ${tmpTable}`
|
||||
]);
|
||||
}
|
||||
return Utils.joinSQLFragments([
|
||||
"SELECT TOP 100 PERCENT",
|
||||
attributes.join(", "),
|
||||
"FROM (",
|
||||
[
|
||||
"SELECT",
|
||||
options.limit && `TOP ${options.limit}`,
|
||||
"* FROM (",
|
||||
[
|
||||
"SELECT ROW_NUMBER() OVER (",
|
||||
[
|
||||
"ORDER BY",
|
||||
orders.mainQueryOrder.join(", ")
|
||||
],
|
||||
`) as row_num, * FROM ${tables} AS ${tmpTable}`,
|
||||
where && `WHERE ${where}`
|
||||
],
|
||||
`) AS ${tmpTable} WHERE row_num > ${offset}`
|
||||
],
|
||||
`) AS ${tmpTable}`
|
||||
]);
|
||||
}
|
||||
return Utils.joinSQLFragments([
|
||||
"SELECT",
|
||||
isSQLServer2008 && options.limit && `TOP ${options.limit}`,
|
||||
attributes.join(", "),
|
||||
`FROM ${tables}`,
|
||||
mainTableAs && `AS ${mainTableAs}`,
|
||||
options.tableHint && TableHints[options.tableHint] && `WITH (${TableHints[options.tableHint]})`
|
||||
]);
|
||||
}
|
||||
addLimitAndOffset(options, model) {
|
||||
if (semver.valid(this.sequelize.options.databaseVersion) && semver.lt(this.sequelize.options.databaseVersion, "11.0.0")) {
|
||||
return "";
|
||||
}
|
||||
const offset = options.offset || 0;
|
||||
const isSubQuery = options.subQuery === void 0 ? options.hasIncludeWhere || options.hasIncludeRequired || options.hasMultiAssociation : options.subQuery;
|
||||
let fragment = "";
|
||||
let orders = {};
|
||||
if (options.order) {
|
||||
orders = this.getQueryOrders(options, model, isSubQuery);
|
||||
}
|
||||
if (options.limit || options.offset) {
|
||||
if (!options.order || options.order.length === 0 || options.include && orders.subQueryOrder.length === 0) {
|
||||
let primaryKey = model.primaryKeyField;
|
||||
const tablePkFragment = `${this.quoteTable(options.tableAs || model.name)}.${this.quoteIdentifier(primaryKey)}`;
|
||||
const aliasedAttribute = (options.attributes || []).find((attr) => Array.isArray(attr) && attr[1] && (attr[0] === primaryKey || attr[1] === primaryKey));
|
||||
if (aliasedAttribute) {
|
||||
const modelName = this.quoteIdentifier(options.tableAs || model.name);
|
||||
const alias = this._getAliasForField(modelName, aliasedAttribute[1], options);
|
||||
primaryKey = new Utils.Col(alias || aliasedAttribute[1]);
|
||||
}
|
||||
if (!options.order || !options.order.length) {
|
||||
fragment += ` ORDER BY ${tablePkFragment}`;
|
||||
} else {
|
||||
const orderFieldNames = (options.order || []).map((order) => {
|
||||
const value = Array.isArray(order) ? order[0] : order;
|
||||
if (value instanceof Utils.Col) {
|
||||
return value.col;
|
||||
}
|
||||
if (value instanceof Utils.Literal) {
|
||||
return value.val;
|
||||
}
|
||||
return value;
|
||||
});
|
||||
const primaryKeyFieldAlreadyPresent = orderFieldNames.some((fieldName) => fieldName === (primaryKey.col || primaryKey));
|
||||
if (!primaryKeyFieldAlreadyPresent) {
|
||||
fragment += options.order && !isSubQuery ? ", " : " ORDER BY ";
|
||||
fragment += tablePkFragment;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (options.offset || options.limit) {
|
||||
fragment += ` OFFSET ${this.escape(offset)} ROWS`;
|
||||
}
|
||||
if (options.limit) {
|
||||
fragment += ` FETCH NEXT ${this.escape(options.limit)} ROWS ONLY`;
|
||||
}
|
||||
}
|
||||
return fragment;
|
||||
}
|
||||
booleanValue(value) {
|
||||
return value ? 1 : 0;
|
||||
}
|
||||
quoteIdentifier(identifier, force) {
|
||||
return `[${identifier.replace(/[[\]']+/g, "")}]`;
|
||||
}
|
||||
}
|
||||
function wrapSingleQuote(identifier) {
|
||||
return Utils.addTicks(Utils.removeTicks(identifier, "'"), "'");
|
||||
}
|
||||
module.exports = MSSQLQueryGenerator;
|
||||
//# sourceMappingURL=query-generator.js.map
|
||||
Reference in New Issue
Block a user