sequelize
Version:
Sequelize is a promise-based Node.js ORM tool for Postgres, MySQL, MariaDB, SQLite, Microsoft SQL Server, Amazon Redshift and Snowflake’s Data Cloud. It features solid transaction support, relations, eager and lazy loading, read replication and more.
176 lines (175 loc) • 8.59 kB
JavaScript
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var __defProp = Object.defineProperty;
var __defProps = Object.defineProperties;
var __getOwnPropDescs = Object.getOwnPropertyDescriptors;
var __getOwnPropSymbols = Object.getOwnPropertySymbols;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __propIsEnum = Object.prototype.propertyIsEnumerable;
var __defNormalProp = (obj, key, value) => key in obj ? __defProp(obj, key, { enumerable: true, configurable: true, writable: true, value }) : obj[key] = value;
var __spreadValues = (a, b) => {
for (var prop in b || (b = {}))
if (__hasOwnProp.call(b, prop))
__defNormalProp(a, prop, b[prop]);
if (__getOwnPropSymbols)
for (var prop of __getOwnPropSymbols(b)) {
if (__propIsEnum.call(b, prop))
__defNormalProp(a, prop, b[prop]);
}
return a;
};
var __spreadProps = (a, b) => __defProps(a, __getOwnPropDescs(b));
const sequelizeErrors = require("../../errors");
const QueryTypes = require("../../query-types");
const { QueryInterface } = require("../abstract/query-interface");
const { cloneDeep } = require("../../utils");
const _ = require("lodash");
class SQLiteQueryInterface extends QueryInterface {
async removeColumn(tableName, attributeName, options) {
options = options || {};
const fields = await this.describeTable(tableName, options);
delete fields[attributeName];
const sql = this.queryGenerator.removeColumnQuery(tableName, fields);
const subQueries = sql.split(";").filter((q) => q !== "");
for (const subQuery of subQueries)
await this.sequelize.query(`${subQuery};`, __spreadValues({ raw: true }, options));
}
async changeColumn(tableName, attributeName, dataTypeOrOptions, options) {
options = options || {};
const fields = await this.describeTable(tableName, options);
Object.assign(fields[attributeName], this.normalizeAttribute(dataTypeOrOptions));
const sql = this.queryGenerator.removeColumnQuery(tableName, fields);
const subQueries = sql.split(";").filter((q) => q !== "");
for (const subQuery of subQueries)
await this.sequelize.query(`${subQuery};`, __spreadValues({ raw: true }, options));
}
async renameColumn(tableName, attrNameBefore, attrNameAfter, options) {
options = options || {};
const fields = await this.assertTableHasColumn(tableName, attrNameBefore, options);
fields[attrNameAfter] = __spreadValues({}, fields[attrNameBefore]);
delete fields[attrNameBefore];
const sql = this.queryGenerator.renameColumnQuery(tableName, attrNameBefore, attrNameAfter, fields);
const subQueries = sql.split(";").filter((q) => q !== "");
for (const subQuery of subQueries)
await this.sequelize.query(`${subQuery};`, __spreadValues({ raw: true }, options));
}
async removeConstraint(tableName, constraintName, options) {
let createTableSql;
const constraints = await this.showConstraint(tableName, constraintName);
const constraint = constraints.find((constaint) => constaint.constraintName === constraintName);
if (!constraint) {
throw new sequelizeErrors.UnknownConstraintError({
message: `Constraint ${constraintName} on table ${tableName} does not exist`,
constraint: constraintName,
table: tableName
});
}
createTableSql = constraint.sql;
constraint.constraintName = this.queryGenerator.quoteIdentifier(constraint.constraintName);
let constraintSnippet = `, CONSTRAINT ${constraint.constraintName} ${constraint.constraintType} ${constraint.constraintCondition}`;
if (constraint.constraintType === "FOREIGN KEY") {
const referenceTableName = this.queryGenerator.quoteTable(constraint.referenceTableName);
constraint.referenceTableKeys = constraint.referenceTableKeys.map((columnName) => this.queryGenerator.quoteIdentifier(columnName));
const referenceTableKeys = constraint.referenceTableKeys.join(", ");
constraintSnippet += ` REFERENCES ${referenceTableName} (${referenceTableKeys})`;
constraintSnippet += ` ON UPDATE ${constraint.updateAction}`;
constraintSnippet += ` ON DELETE ${constraint.deleteAction}`;
}
createTableSql = createTableSql.replace(constraintSnippet, "");
createTableSql += ";";
const fields = await this.describeTable(tableName, options);
const sql = this.queryGenerator._alterConstraintQuery(tableName, fields, createTableSql);
const subQueries = sql.split(";").filter((q) => q !== "");
for (const subQuery of subQueries)
await this.sequelize.query(`${subQuery};`, __spreadValues({ raw: true }, options));
}
async addConstraint(tableName, options) {
if (!options.fields) {
throw new Error("Fields must be specified through options.fields");
}
if (!options.type) {
throw new Error("Constraint type must be specified through options.type");
}
options = cloneDeep(options);
const constraintSnippet = this.queryGenerator.getConstraintSnippet(tableName, options);
const describeCreateTableSql = this.queryGenerator.describeCreateTableQuery(tableName);
const constraints = await this.sequelize.query(describeCreateTableSql, __spreadProps(__spreadValues({}, options), { type: QueryTypes.SELECT, raw: true }));
let sql = constraints[0].sql;
const index = sql.length - 1;
const createTableSql = `${sql.substr(0, index)}, ${constraintSnippet})${sql.substr(index + 1)};`;
const fields = await this.describeTable(tableName, options);
sql = this.queryGenerator._alterConstraintQuery(tableName, fields, createTableSql);
const subQueries = sql.split(";").filter((q) => q !== "");
for (const subQuery of subQueries)
await this.sequelize.query(`${subQuery};`, __spreadValues({ raw: true }, options));
}
async getForeignKeyReferencesForTable(tableName, options) {
const database = this.sequelize.config.database;
const query = this.queryGenerator.getForeignKeysQuery(tableName, database);
const result = await this.sequelize.query(query, options);
return result.map((row) => ({
tableName,
columnName: row.from,
referencedTableName: row.table,
referencedColumnName: row.to,
tableCatalog: database,
referencedTableCatalog: database
}));
}
async dropAllTables(options) {
options = options || {};
const skip = options.skip || [];
const tableNames = await this.showAllTables(options);
await this.sequelize.query("PRAGMA foreign_keys = OFF", options);
await this._dropAllTables(tableNames, skip, options);
await this.sequelize.query("PRAGMA foreign_keys = ON", options);
}
async describeTable(tableName, options) {
let schema = null;
let schemaDelimiter = null;
if (typeof options === "string") {
schema = options;
} else if (typeof options === "object" && options !== null) {
schema = options.schema || null;
schemaDelimiter = options.schemaDelimiter || null;
}
if (typeof tableName === "object" && tableName !== null) {
schema = tableName.schema;
tableName = tableName.tableName;
}
const sql = this.queryGenerator.describeTableQuery(tableName, schema, schemaDelimiter);
options = __spreadProps(__spreadValues({}, options), { type: QueryTypes.DESCRIBE });
const sqlIndexes = this.queryGenerator.showIndexesQuery(tableName);
try {
const data = await this.sequelize.query(sql, options);
if (_.isEmpty(data)) {
throw new Error(`No description found for "${tableName}" table. Check the table name and schema; remember, they _are_ case sensitive.`);
}
const indexes = await this.sequelize.query(sqlIndexes, options);
for (const prop in data) {
data[prop].unique = false;
}
for (const index of indexes) {
for (const field of index.fields) {
if (index.unique !== void 0) {
data[field.attribute].unique = index.unique;
}
}
}
const foreignKeys = await this.getForeignKeyReferencesForTable(tableName, options);
for (const foreignKey of foreignKeys) {
data[foreignKey.columnName].references = {
model: foreignKey.referencedTableName,
key: foreignKey.referencedColumnName
};
}
return data;
} catch (e) {
if (e.original && e.original.code === "ER_NO_SUCH_TABLE") {
throw new Error(`No description found for "${tableName}" table. Check the table name and schema; remember, they _are_ case sensitive.`);
}
throw e;
}
}
}
exports.SQLiteQueryInterface = SQLiteQueryInterface;
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