471 lines
16 KiB
JavaScript
471 lines
16 KiB
JavaScript
"use strict";
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var __defProp = Object.defineProperty;
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var __defProps = Object.defineProperties;
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var __getOwnPropDescs = Object.getOwnPropertyDescriptors;
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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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var __spreadProps = (a, b) => __defProps(a, __getOwnPropDescs(b));
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const _ = require("lodash");
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const Utils = require("../../utils");
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const AbstractQueryGenerator = require("../abstract/query-generator");
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const util = require("util");
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const Op = require("../../operators");
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const JSON_FUNCTION_REGEX = /^\s*((?:[a-z]+_){0,2}jsonb?(?:_[a-z]+){0,2})\([^)]*\)/i;
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const JSON_OPERATOR_REGEX = /^\s*(->>?|@>|<@|\?[|&]?|\|{2}|#-)/i;
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const TOKEN_CAPTURE_REGEX = /^\s*((?:([`"'])(?:(?!\2).|\2{2})*\2)|[\w\d\s]+|[().,;+-])/i;
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const FOREIGN_KEY_FIELDS = [
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"CONSTRAINT_NAME as constraint_name",
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"CONSTRAINT_NAME as constraintName",
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"CONSTRAINT_SCHEMA as constraintSchema",
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"CONSTRAINT_SCHEMA as constraintCatalog",
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"TABLE_NAME as tableName",
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"TABLE_SCHEMA as tableSchema",
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"TABLE_SCHEMA as tableCatalog",
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"COLUMN_NAME as columnName",
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"REFERENCED_TABLE_SCHEMA as referencedTableSchema",
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"REFERENCED_TABLE_SCHEMA as referencedTableCatalog",
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"REFERENCED_TABLE_NAME as referencedTableName",
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"REFERENCED_COLUMN_NAME as referencedColumnName"
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].join(",");
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const typeWithoutDefault = /* @__PURE__ */ new Set(["BLOB", "TEXT", "GEOMETRY", "JSON"]);
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class MySQLQueryGenerator extends AbstractQueryGenerator {
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constructor(options) {
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super(options);
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this.OperatorMap = __spreadProps(__spreadValues({}, this.OperatorMap), {
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[Op.regexp]: "REGEXP",
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[Op.notRegexp]: "NOT REGEXP"
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});
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}
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createDatabaseQuery(databaseName, options) {
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options = __spreadValues({
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charset: null,
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collate: null
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}, options);
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return Utils.joinSQLFragments([
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"CREATE DATABASE IF NOT EXISTS",
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this.quoteIdentifier(databaseName),
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options.charset && `DEFAULT CHARACTER SET ${this.escape(options.charset)}`,
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options.collate && `DEFAULT COLLATE ${this.escape(options.collate)}`,
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";"
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]);
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}
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dropDatabaseQuery(databaseName) {
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return `DROP DATABASE IF EXISTS ${this.quoteIdentifier(databaseName)};`;
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}
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createSchema() {
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return "SHOW TABLES";
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}
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showSchemasQuery() {
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return "SHOW TABLES";
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}
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versionQuery() {
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return "SELECT VERSION() as `version`";
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}
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createTableQuery(tableName, attributes, options) {
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options = __spreadValues({
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engine: "InnoDB",
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charset: null,
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rowFormat: null
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}, options);
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const primaryKeys = [];
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const foreignKeys = {};
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const attrStr = [];
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for (const attr in attributes) {
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if (!Object.prototype.hasOwnProperty.call(attributes, attr))
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continue;
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const dataType = attributes[attr];
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let match;
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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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attrStr.push(`${this.quoteIdentifier(attr)} ${match[1].replace("PRIMARY KEY", "")}`);
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foreignKeys[attr] = match[2];
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} else {
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attrStr.push(`${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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attrStr.push(`${this.quoteIdentifier(attr)} ${match[1]}`);
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foreignKeys[attr] = match[2];
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} else {
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attrStr.push(`${this.quoteIdentifier(attr)} ${dataType}`);
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}
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}
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const table = this.quoteTable(tableName);
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let attributesClause = attrStr.join(", ");
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const pkString = primaryKeys.map((pk) => this.quoteIdentifier(pk)).join(", ");
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if (options.uniqueKeys) {
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_.each(options.uniqueKeys, (columns, indexName) => {
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if (columns.customIndex) {
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if (typeof indexName !== "string") {
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indexName = `uniq_${tableName}_${columns.fields.join("_")}`;
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}
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attributesClause += `, UNIQUE ${this.quoteIdentifier(indexName)} (${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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attributesClause += `, PRIMARY KEY (${pkString})`;
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}
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for (const fkey in foreignKeys) {
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if (Object.prototype.hasOwnProperty.call(foreignKeys, fkey)) {
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attributesClause += `, FOREIGN KEY (${this.quoteIdentifier(fkey)}) ${foreignKeys[fkey]}`;
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}
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}
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return Utils.joinSQLFragments([
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"CREATE TABLE IF NOT EXISTS",
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table,
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`(${attributesClause})`,
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`ENGINE=${options.engine}`,
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options.comment && typeof options.comment === "string" && `COMMENT ${this.escape(options.comment)}`,
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options.charset && `DEFAULT CHARSET=${options.charset}`,
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options.collate && `COLLATE ${options.collate}`,
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options.initialAutoIncrement && `AUTO_INCREMENT=${options.initialAutoIncrement}`,
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options.rowFormat && `ROW_FORMAT=${options.rowFormat}`,
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";"
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]);
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}
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describeTableQuery(tableName, schema, schemaDelimiter) {
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const table = this.quoteTable(this.addSchema({
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tableName,
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_schema: schema,
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_schemaDelimiter: schemaDelimiter
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}));
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return `SHOW FULL COLUMNS FROM ${table};`;
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}
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showTablesQuery(database) {
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let query = "SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE'";
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if (database) {
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query += ` AND TABLE_SCHEMA = ${this.escape(database)}`;
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} else {
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query += " AND TABLE_SCHEMA NOT IN ('MYSQL', 'INFORMATION_SCHEMA', 'PERFORMANCE_SCHEMA', 'SYS', 'mysql', 'information_schema', 'performance_schema', 'sys')";
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}
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return `${query};`;
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}
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tableExistsQuery(table) {
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const tableName = this.escape(this.quoteTable(table).slice(1, -1));
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return `SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = 'BASE TABLE' AND TABLE_NAME = ${tableName} AND TABLE_SCHEMA = ${this.escape(this.sequelize.config.database)}`;
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}
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addColumnQuery(table, key, dataType) {
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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, {
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context: "addColumn",
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tableName: table,
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foreignKey: key
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}),
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";"
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]);
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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",
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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 = [];
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const constraintString = [];
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for (const attributeName in attributes) {
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let definition = attributes[attributeName];
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if (definition.includes("REFERENCES")) {
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const attrName = this.quoteIdentifier(attributeName);
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definition = definition.replace(/.+?(?=REFERENCES)/, "");
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constraintString.push(`FOREIGN KEY (${attrName}) ${definition}`);
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} else {
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attrString.push(`\`${attributeName}\` \`${attributeName}\` ${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 && `CHANGE ${attrString.join(", ")}`,
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constraintString.length && `ADD ${constraintString.join(", ")}`,
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";"
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]);
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}
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renameColumnQuery(tableName, attrBefore, attributes) {
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const attrString = [];
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for (const attrName in attributes) {
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const definition = attributes[attrName];
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attrString.push(`\`${attrBefore}\` \`${attrName}\` ${definition}`);
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}
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return Utils.joinSQLFragments([
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"ALTER TABLE",
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this.quoteTable(tableName),
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"CHANGE",
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attrString.join(", "),
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";"
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]);
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}
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handleSequelizeMethod(smth, tableName, factory, options, prepend) {
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if (smth instanceof Utils.Json) {
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if (smth.conditions) {
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const conditions = this.parseConditionObject(smth.conditions).map((condition) => `${this.jsonPathExtractionQuery(condition.path[0], _.tail(condition.path))} = '${condition.value}'`);
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return conditions.join(" AND ");
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}
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if (smth.path) {
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let str;
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if (this._checkValidJsonStatement(smth.path)) {
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str = smth.path;
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} else {
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const paths = _.toPath(smth.path);
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const column = paths.shift();
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str = this.jsonPathExtractionQuery(column, paths);
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}
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if (smth.value) {
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str += util.format(" = %s", this.escape(smth.value));
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}
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return str;
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}
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} else if (smth instanceof Utils.Cast) {
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if (/timestamp/i.test(smth.type)) {
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smth.type = "datetime";
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} else if (smth.json && /boolean/i.test(smth.type)) {
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smth.type = "char";
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} else if (/double precision/i.test(smth.type) || /boolean/i.test(smth.type) || /integer/i.test(smth.type)) {
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smth.type = "decimal";
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} else if (/text/i.test(smth.type)) {
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smth.type = "char";
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}
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}
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return super.handleSequelizeMethod(smth, tableName, factory, options, prepend);
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}
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_toJSONValue(value) {
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if (typeof value === "boolean") {
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return value.toString();
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}
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if (value === null) {
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return "null";
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}
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return value;
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}
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truncateTableQuery(tableName) {
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return `TRUNCATE ${this.quoteTable(tableName)}`;
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}
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deleteQuery(tableName, where, options = {}, model) {
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let limit = "";
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let query = `DELETE FROM ${this.quoteTable(tableName)}`;
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if (options.limit) {
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limit = ` LIMIT ${this.escape(options.limit)}`;
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}
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where = this.getWhereConditions(where, null, model, options);
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if (where) {
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query += ` WHERE ${where}`;
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}
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return query + limit;
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}
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showIndexesQuery(tableName, options) {
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return Utils.joinSQLFragments([
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`SHOW INDEX FROM ${this.quoteTable(tableName)}`,
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options && options.database && `FROM \`${options.database}\``
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]);
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}
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showConstraintsQuery(table, constraintName) {
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const tableName = table.tableName || table;
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const schemaName = table.schema;
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return Utils.joinSQLFragments([
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"SELECT CONSTRAINT_CATALOG AS constraintCatalog,",
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"CONSTRAINT_NAME AS constraintName,",
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"CONSTRAINT_SCHEMA AS constraintSchema,",
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"CONSTRAINT_TYPE AS constraintType,",
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"TABLE_NAME AS tableName,",
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"TABLE_SCHEMA AS tableSchema",
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"from INFORMATION_SCHEMA.TABLE_CONSTRAINTS",
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`WHERE table_name='${tableName}'`,
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constraintName && `AND constraint_name = '${constraintName}'`,
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schemaName && `AND TABLE_SCHEMA = '${schemaName}'`,
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";"
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]);
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}
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removeIndexQuery(tableName, indexNameOrAttributes) {
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let indexName = indexNameOrAttributes;
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if (typeof indexName !== "string") {
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indexName = Utils.underscore(`${tableName}_${indexNameOrAttributes.join("_")}`);
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}
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return Utils.joinSQLFragments([
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"DROP INDEX",
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this.quoteIdentifier(indexName),
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"ON",
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this.quoteTable(tableName)
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]);
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}
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attributeToSQL(attribute, options) {
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if (!_.isPlainObject(attribute)) {
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attribute = {
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type: attribute
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};
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}
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const attributeString = attribute.type.toString({ escape: this.escape.bind(this) });
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let template = attributeString;
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if (attribute.allowNull === false) {
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template += " NOT NULL";
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}
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if (attribute.autoIncrement) {
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template += " auto_increment";
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}
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if (!typeWithoutDefault.has(attributeString) && attribute.type._binary !== true && Utils.defaultValueSchemable(attribute.defaultValue)) {
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template += ` DEFAULT ${this.escape(attribute.defaultValue)}`;
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}
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if (attribute.unique === true) {
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template += " UNIQUE";
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}
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if (attribute.primaryKey) {
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template += " PRIMARY KEY";
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}
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if (attribute.comment) {
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template += ` COMMENT ${this.escape(attribute.comment)}`;
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}
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if (attribute.first) {
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template += " FIRST";
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}
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if (attribute.after) {
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template += ` AFTER ${this.quoteIdentifier(attribute.after)}`;
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}
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if ((!options || !options.withoutForeignKeyConstraints) && attribute.references) {
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if (options && options.context === "addColumn" && options.foreignKey) {
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const attrName = this.quoteIdentifier(options.foreignKey);
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const fkName = this.quoteIdentifier(`${options.tableName}_${attrName}_foreign_idx`);
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template += `, ADD CONSTRAINT ${fkName} FOREIGN KEY (${attrName})`;
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}
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template += ` REFERENCES ${this.quoteTable(attribute.references.model)}`;
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if (attribute.references.key) {
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template += ` (${this.quoteIdentifier(attribute.references.key)})`;
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} else {
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template += ` (${this.quoteIdentifier("id")})`;
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}
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if (attribute.onDelete) {
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template += ` ON DELETE ${attribute.onDelete.toUpperCase()}`;
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}
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if (attribute.onUpdate) {
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template += ` ON UPDATE ${attribute.onUpdate.toUpperCase()}`;
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}
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}
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return template;
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}
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attributesToSQL(attributes, options) {
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const result = {};
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for (const key in attributes) {
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const attribute = attributes[key];
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result[attribute.field || key] = this.attributeToSQL(attribute, options);
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}
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return result;
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}
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_checkValidJsonStatement(stmt) {
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if (typeof stmt !== "string") {
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return false;
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}
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let currentIndex = 0;
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let openingBrackets = 0;
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let closingBrackets = 0;
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let hasJsonFunction = false;
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let hasInvalidToken = false;
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while (currentIndex < stmt.length) {
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const string = stmt.substr(currentIndex);
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const functionMatches = JSON_FUNCTION_REGEX.exec(string);
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if (functionMatches) {
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currentIndex += functionMatches[0].indexOf("(");
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hasJsonFunction = true;
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continue;
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}
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const operatorMatches = JSON_OPERATOR_REGEX.exec(string);
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if (operatorMatches) {
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currentIndex += operatorMatches[0].length;
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hasJsonFunction = true;
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continue;
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}
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const tokenMatches = TOKEN_CAPTURE_REGEX.exec(string);
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if (tokenMatches) {
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const capturedToken = tokenMatches[1];
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if (capturedToken === "(") {
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openingBrackets++;
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} else if (capturedToken === ")") {
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closingBrackets++;
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} else if (capturedToken === ";") {
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hasInvalidToken = true;
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break;
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}
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currentIndex += tokenMatches[0].length;
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continue;
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}
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break;
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}
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if (hasJsonFunction && (hasInvalidToken || openingBrackets !== closingBrackets)) {
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throw new Error(`Invalid json statement: ${stmt}`);
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}
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return hasJsonFunction;
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}
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getForeignKeysQuery(table, schemaName) {
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const tableName = table.tableName || table;
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return Utils.joinSQLFragments([
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"SELECT",
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FOREIGN_KEY_FIELDS,
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`FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE where TABLE_NAME = '${tableName}'`,
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`AND CONSTRAINT_NAME!='PRIMARY' AND CONSTRAINT_SCHEMA='${schemaName}'`,
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"AND REFERENCED_TABLE_NAME IS NOT NULL",
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";"
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]);
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}
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getForeignKeyQuery(table, columnName) {
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const quotedSchemaName = table.schema ? wrapSingleQuote(table.schema) : "";
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const quotedTableName = wrapSingleQuote(table.tableName || table);
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const quotedColumnName = wrapSingleQuote(columnName);
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return Utils.joinSQLFragments([
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"SELECT",
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FOREIGN_KEY_FIELDS,
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"FROM INFORMATION_SCHEMA.KEY_COLUMN_USAGE",
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"WHERE (",
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[
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`REFERENCED_TABLE_NAME = ${quotedTableName}`,
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table.schema && `AND REFERENCED_TABLE_SCHEMA = ${quotedSchemaName}`,
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`AND REFERENCED_COLUMN_NAME = ${quotedColumnName}`
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],
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") OR (",
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[
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`TABLE_NAME = ${quotedTableName}`,
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table.schema && `AND TABLE_SCHEMA = ${quotedSchemaName}`,
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`AND COLUMN_NAME = ${quotedColumnName}`,
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"AND REFERENCED_TABLE_NAME IS NOT NULL"
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],
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")"
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]);
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}
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dropForeignKeyQuery(tableName, foreignKey) {
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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 FOREIGN KEY",
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this.quoteIdentifier(foreignKey),
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";"
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]);
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}
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quoteIdentifier(identifier, force) {
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return Utils.addTicks(Utils.removeTicks(identifier, "`"), "`");
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}
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}
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function wrapSingleQuote(identifier) {
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return Utils.addTicks(identifier, "'");
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}
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module.exports = MySQLQueryGenerator;
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//# sourceMappingURL=query-generator.js.map
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