node-ejs-renderer/node_modules/sequelize/lib/dialects/sqlite/query-generator.js
2024-06-09 13:55:01 -04:00

363 lines
15 KiB
JavaScript

"use strict";
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 Utils = require("../../utils");
const Transaction = require("../../transaction");
const _ = require("lodash");
const MySqlQueryGenerator = require("../mysql/query-generator");
const AbstractQueryGenerator = require("../abstract/query-generator");
class SQLiteQueryGenerator extends MySqlQueryGenerator {
createSchema() {
return "SELECT name FROM `sqlite_master` WHERE type='table' and name!='sqlite_sequence';";
}
showSchemasQuery() {
return "SELECT name FROM `sqlite_master` WHERE type='table' and name!='sqlite_sequence';";
}
versionQuery() {
return "SELECT sqlite_version() as `version`";
}
createTableQuery(tableName, attributes, options) {
options = options || {};
const primaryKeys = [];
const needsMultiplePrimaryKeys = Object.values(attributes).filter((definition) => definition.includes("PRIMARY KEY")).length > 1;
const attrArray = [];
for (const attr in attributes) {
if (Object.prototype.hasOwnProperty.call(attributes, attr)) {
const dataType = attributes[attr];
const containsAutoIncrement = dataType.includes("AUTOINCREMENT");
let dataTypeString = dataType;
if (dataType.includes("PRIMARY KEY")) {
if (dataType.includes("INT")) {
dataTypeString = containsAutoIncrement ? "INTEGER PRIMARY KEY AUTOINCREMENT" : "INTEGER PRIMARY KEY";
if (dataType.includes(" REFERENCES")) {
dataTypeString += dataType.substr(dataType.indexOf(" REFERENCES"));
}
}
if (needsMultiplePrimaryKeys) {
primaryKeys.push(attr);
if (dataType.includes("NOT NULL")) {
dataTypeString = dataType.replace(" PRIMARY KEY", "");
} else {
dataTypeString = dataType.replace("PRIMARY KEY", "NOT NULL");
}
}
}
attrArray.push(`${this.quoteIdentifier(attr)} ${dataTypeString}`);
}
}
const table = this.quoteTable(tableName);
let attrStr = attrArray.join(", ");
const pkString = primaryKeys.map((pk) => this.quoteIdentifier(pk)).join(", ");
if (options.uniqueKeys) {
_.each(options.uniqueKeys, (columns) => {
if (columns.customIndex) {
attrStr += `, UNIQUE (${columns.fields.map((field) => this.quoteIdentifier(field)).join(", ")})`;
}
});
}
if (pkString.length > 0) {
attrStr += `, PRIMARY KEY (${pkString})`;
}
const sql = `CREATE TABLE IF NOT EXISTS ${table} (${attrStr});`;
return this.replaceBooleanDefaults(sql);
}
booleanValue(value) {
return value ? 1 : 0;
}
_checkValidJsonStatement(stmt) {
if (typeof stmt !== "string") {
return false;
}
const jsonFunctionRegex = /^\s*(json(?:_[a-z]+){0,2})\([^)]*\)/i;
const tokenCaptureRegex = /^\s*((?:([`"'])(?:(?!\2).|\2{2})*\2)|[\w\d\s]+|[().,;+-])/i;
let currentIndex = 0;
let openingBrackets = 0;
let closingBrackets = 0;
let hasJsonFunction = false;
let hasInvalidToken = false;
while (currentIndex < stmt.length) {
const string = stmt.substr(currentIndex);
const functionMatches = jsonFunctionRegex.exec(string);
if (functionMatches) {
currentIndex += functionMatches[0].indexOf("(");
hasJsonFunction = true;
continue;
}
const tokenMatches = tokenCaptureRegex.exec(string);
if (tokenMatches) {
const capturedToken = tokenMatches[1];
if (capturedToken === "(") {
openingBrackets++;
} else if (capturedToken === ")") {
closingBrackets++;
} else if (capturedToken === ";") {
hasInvalidToken = true;
break;
}
currentIndex += tokenMatches[0].length;
continue;
}
break;
}
hasInvalidToken |= openingBrackets !== closingBrackets;
if (hasJsonFunction && hasInvalidToken) {
throw new Error(`Invalid json statement: ${stmt}`);
}
return hasJsonFunction;
}
_toJSONValue(value) {
if (value instanceof Date) {
return value.toISOString();
}
if (Array.isArray(value) && value[0] instanceof Date) {
return value.map((val) => val.toISOString());
}
return value;
}
handleSequelizeMethod(smth, tableName, factory, options, prepend) {
if (smth instanceof Utils.Json) {
return super.handleSequelizeMethod(smth, tableName, factory, options, prepend);
}
if (smth instanceof Utils.Cast) {
if (/timestamp/i.test(smth.type)) {
smth.type = "datetime";
}
}
return AbstractQueryGenerator.prototype.handleSequelizeMethod.call(this, smth, tableName, factory, options, prepend);
}
addColumnQuery(table, key, dataType) {
const attributes = {};
attributes[key] = dataType;
const fields = this.attributesToSQL(attributes, { context: "addColumn" });
const attribute = `${this.quoteIdentifier(key)} ${fields[key]}`;
const sql = `ALTER TABLE ${this.quoteTable(table)} ADD ${attribute};`;
return this.replaceBooleanDefaults(sql);
}
showTablesQuery() {
return "SELECT name FROM `sqlite_master` WHERE type='table' and name!='sqlite_sequence';";
}
updateQuery(tableName, attrValueHash, where, options, attributes) {
options = options || {};
_.defaults(options, this.options);
attrValueHash = Utils.removeNullValuesFromHash(attrValueHash, options.omitNull, options);
const modelAttributeMap = {};
const values = [];
const bind = [];
const bindParam = options.bindParam || this.bindParam(bind);
if (attributes) {
_.each(attributes, (attribute, key) => {
modelAttributeMap[key] = attribute;
if (attribute.field) {
modelAttributeMap[attribute.field] = attribute;
}
});
}
for (const key in attrValueHash) {
const value = attrValueHash[key];
if (value instanceof Utils.SequelizeMethod || options.bindParam === false) {
values.push(`${this.quoteIdentifier(key)}=${this.escape(value, modelAttributeMap && modelAttributeMap[key] || void 0, { context: "UPDATE" })}`);
} else {
values.push(`${this.quoteIdentifier(key)}=${this.format(value, modelAttributeMap && modelAttributeMap[key] || void 0, { context: "UPDATE" }, bindParam)}`);
}
}
let query;
const whereOptions = __spreadProps(__spreadValues({}, options), { bindParam });
if (options.limit) {
query = `UPDATE ${this.quoteTable(tableName)} SET ${values.join(",")} WHERE rowid IN (SELECT rowid FROM ${this.quoteTable(tableName)} ${this.whereQuery(where, whereOptions)} LIMIT ${this.escape(options.limit)})`;
} else {
query = `UPDATE ${this.quoteTable(tableName)} SET ${values.join(",")} ${this.whereQuery(where, whereOptions)}`;
}
return { query, bind };
}
truncateTableQuery(tableName, options = {}) {
return [
`DELETE FROM ${this.quoteTable(tableName)}`,
options.restartIdentity ? `; DELETE FROM ${this.quoteTable("sqlite_sequence")} WHERE ${this.quoteIdentifier("name")} = ${Utils.addTicks(Utils.removeTicks(this.quoteTable(tableName), "`"), "'")};` : ""
].join("");
}
deleteQuery(tableName, where, options = {}, model) {
_.defaults(options, this.options);
let whereClause = this.getWhereConditions(where, null, model, options);
if (whereClause) {
whereClause = `WHERE ${whereClause}`;
}
if (options.limit) {
whereClause = `WHERE rowid IN (SELECT rowid FROM ${this.quoteTable(tableName)} ${whereClause} LIMIT ${this.escape(options.limit)})`;
}
return `DELETE FROM ${this.quoteTable(tableName)} ${whereClause}`;
}
attributesToSQL(attributes) {
const result = {};
for (const name in attributes) {
const dataType = attributes[name];
const fieldName = dataType.field || name;
if (_.isObject(dataType)) {
let sql = dataType.type.toString();
if (Object.prototype.hasOwnProperty.call(dataType, "allowNull") && !dataType.allowNull) {
sql += " NOT NULL";
}
if (Utils.defaultValueSchemable(dataType.defaultValue)) {
sql += ` DEFAULT ${this.escape(dataType.defaultValue, dataType)}`;
}
if (dataType.unique === true) {
sql += " UNIQUE";
}
if (dataType.primaryKey) {
sql += " PRIMARY KEY";
if (dataType.autoIncrement) {
sql += " AUTOINCREMENT";
}
}
if (dataType.references) {
const referencesTable = this.quoteTable(dataType.references.model);
let referencesKey;
if (dataType.references.key) {
referencesKey = this.quoteIdentifier(dataType.references.key);
} else {
referencesKey = this.quoteIdentifier("id");
}
sql += ` REFERENCES ${referencesTable} (${referencesKey})`;
if (dataType.onDelete) {
sql += ` ON DELETE ${dataType.onDelete.toUpperCase()}`;
}
if (dataType.onUpdate) {
sql += ` ON UPDATE ${dataType.onUpdate.toUpperCase()}`;
}
}
result[fieldName] = sql;
} else {
result[fieldName] = dataType;
}
}
return result;
}
showIndexesQuery(tableName) {
return `PRAGMA INDEX_LIST(${this.quoteTable(tableName)})`;
}
showConstraintsQuery(tableName, constraintName) {
let sql = `SELECT sql FROM sqlite_master WHERE tbl_name='${tableName}'`;
if (constraintName) {
sql += ` AND sql LIKE '%${constraintName}%'`;
}
return `${sql};`;
}
removeIndexQuery(tableName, indexNameOrAttributes) {
let indexName = indexNameOrAttributes;
if (typeof indexName !== "string") {
indexName = Utils.underscore(`${tableName}_${indexNameOrAttributes.join("_")}`);
}
return `DROP INDEX IF EXISTS ${this.quoteIdentifier(indexName)}`;
}
describeTableQuery(tableName, schema, schemaDelimiter) {
const table = {
_schema: schema,
_schemaDelimiter: schemaDelimiter,
tableName
};
return `PRAGMA TABLE_INFO(${this.quoteTable(this.addSchema(table))});`;
}
describeCreateTableQuery(tableName) {
return `SELECT sql FROM sqlite_master WHERE tbl_name='${tableName}';`;
}
removeColumnQuery(tableName, attributes) {
attributes = this.attributesToSQL(attributes);
let backupTableName;
if (typeof tableName === "object") {
backupTableName = {
tableName: `${tableName.tableName}_backup`,
schema: tableName.schema
};
} else {
backupTableName = `${tableName}_backup`;
}
const quotedTableName = this.quoteTable(tableName);
const quotedBackupTableName = this.quoteTable(backupTableName);
const attributeNames = Object.keys(attributes).map((attr) => this.quoteIdentifier(attr)).join(", ");
return `${this.createTableQuery(backupTableName, attributes)}INSERT INTO ${quotedBackupTableName} SELECT ${attributeNames} FROM ${quotedTableName};DROP TABLE ${quotedTableName};${this.createTableQuery(tableName, attributes)}INSERT INTO ${quotedTableName} SELECT ${attributeNames} FROM ${quotedBackupTableName};DROP TABLE ${quotedBackupTableName};`;
}
_alterConstraintQuery(tableName, attributes, createTableSql) {
let backupTableName;
attributes = this.attributesToSQL(attributes);
if (typeof tableName === "object") {
backupTableName = {
tableName: `${tableName.tableName}_backup`,
schema: tableName.schema
};
} else {
backupTableName = `${tableName}_backup`;
}
const quotedTableName = this.quoteTable(tableName);
const quotedBackupTableName = this.quoteTable(backupTableName);
const attributeNames = Object.keys(attributes).map((attr) => this.quoteIdentifier(attr)).join(", ");
return `${createTableSql.replace(`CREATE TABLE ${quotedTableName}`, `CREATE TABLE ${quotedBackupTableName}`).replace(`CREATE TABLE ${quotedTableName.replace(/`/g, '"')}`, `CREATE TABLE ${quotedBackupTableName}`)}INSERT INTO ${quotedBackupTableName} SELECT ${attributeNames} FROM ${quotedTableName};DROP TABLE ${quotedTableName};ALTER TABLE ${quotedBackupTableName} RENAME TO ${quotedTableName};`;
}
renameColumnQuery(tableName, attrNameBefore, attrNameAfter, attributes) {
let backupTableName;
attributes = this.attributesToSQL(attributes);
if (typeof tableName === "object") {
backupTableName = {
tableName: `${tableName.tableName}_backup`,
schema: tableName.schema
};
} else {
backupTableName = `${tableName}_backup`;
}
const quotedTableName = this.quoteTable(tableName);
const quotedBackupTableName = this.quoteTable(backupTableName);
const attributeNamesImport = Object.keys(attributes).map((attr) => attrNameAfter === attr ? `${this.quoteIdentifier(attrNameBefore)} AS ${this.quoteIdentifier(attr)}` : this.quoteIdentifier(attr)).join(", ");
const attributeNamesExport = Object.keys(attributes).map((attr) => this.quoteIdentifier(attr)).join(", ");
return `${this.createTableQuery(backupTableName, attributes)}INSERT INTO ${quotedBackupTableName} SELECT ${attributeNamesImport} FROM ${quotedTableName};DROP TABLE ${quotedTableName};${this.createTableQuery(tableName, attributes)}INSERT INTO ${quotedTableName} SELECT ${attributeNamesExport} FROM ${quotedBackupTableName};DROP TABLE ${quotedBackupTableName};`;
}
startTransactionQuery(transaction) {
if (transaction.parent) {
return `SAVEPOINT ${this.quoteIdentifier(transaction.name)};`;
}
return `BEGIN ${transaction.options.type} TRANSACTION;`;
}
setIsolationLevelQuery(value) {
switch (value) {
case Transaction.ISOLATION_LEVELS.REPEATABLE_READ:
return "-- SQLite is not able to choose the isolation level REPEATABLE READ.";
case Transaction.ISOLATION_LEVELS.READ_UNCOMMITTED:
return "PRAGMA read_uncommitted = ON;";
case Transaction.ISOLATION_LEVELS.READ_COMMITTED:
return "PRAGMA read_uncommitted = OFF;";
case Transaction.ISOLATION_LEVELS.SERIALIZABLE:
return "-- SQLite's default isolation level is SERIALIZABLE. Nothing to do.";
default:
throw new Error(`Unknown isolation level: ${value}`);
}
}
replaceBooleanDefaults(sql) {
return sql.replace(/DEFAULT '?false'?/g, "DEFAULT 0").replace(/DEFAULT '?true'?/g, "DEFAULT 1");
}
getForeignKeysQuery(tableName) {
return `PRAGMA foreign_key_list(${this.quoteTable(this.addSchema(tableName))})`;
}
tableExistsQuery(tableName) {
return `SELECT name FROM sqlite_master WHERE type='table' AND name=${this.escape(this.addSchema(tableName))};`;
}
quoteIdentifier(identifier, force) {
return Utils.addTicks(Utils.removeTicks(identifier, "`"), "`");
}
}
module.exports = SQLiteQueryGenerator;
//# sourceMappingURL=query-generator.js.map