mirror of https://github.com/Fabio286/antares.git
752 lines
25 KiB
TypeScript
752 lines
25 KiB
TypeScript
import * as antares from 'common/interfaces/antares';
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import * as sqlite from 'better-sqlite3';
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import { AntaresCore } from '../AntaresCore';
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import dataTypes from 'common/data-types/sqlite';
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import { NUMBER, FLOAT, TIME, DATETIME } from 'common/fieldTypes';
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export class SQLiteClient extends AntaresCore {
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private _schema?: string;
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private _connectionsToCommit: Map<string, sqlite.Database>;
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protected _connection?: sqlite.Database;
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_params: { databasePath: string; readonly: boolean};
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constructor (args: antares.ClientParams) {
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super(args);
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this._schema = null;
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this._connectionsToCommit = new Map();
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}
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getTypeInfo (type: string): antares.TypeInformations {
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return dataTypes
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.reduce((acc, group) => [...acc, ...group.types], [])
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.filter(_type => _type.name === type.toUpperCase())[0];
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}
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async connect () {
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this._connection = this.getConnection();
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}
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getConnection () {
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return sqlite(this._params.databasePath, {
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fileMustExist: true,
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readonly: this._params.readonly
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});
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}
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destroy (): void {
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return null;
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}
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use (): void {
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return null;
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}
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async getStructure (schemas: Set<string>) {
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/* eslint-disable camelcase */
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interface ShowTableResult {
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Db?: string;
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type: string;
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name: string;
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tbl_name: string;
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rootpage:4;
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sql: string;
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}
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type ShowTriggersResult = ShowTableResult
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/* eslint-enable camelcase */
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const { rows: databases } = await this.raw<antares.QueryResult<{ name: string}>>('SELECT * FROM pragma_database_list');
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const filteredDatabases = databases;
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const tablesArr: ShowTableResult[] = [];
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const triggersArr: ShowTriggersResult[] = [];
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let schemaSize = 0;
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for (const db of filteredDatabases) {
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if (!schemas.has(db.name)) continue;
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let { rows: tables } = await this.raw<antares.QueryResult<ShowTableResult>>(`
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SELECT *
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FROM "${db.name}".sqlite_master
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WHERE type IN ('table', 'view')
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AND name NOT LIKE 'sqlite\\_%' ESCAPE '\\'
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ORDER BY name
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`);
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if (tables.length) {
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tables = tables.map(table => {
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table.Db = db.name;
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return table;
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});
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tablesArr.push(...tables);
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}
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let { rows: triggers } = await this.raw<antares.QueryResult<ShowTriggersResult>>(`SELECT * FROM "${db.name}".sqlite_master WHERE type='trigger'`);
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if (triggers.length) {
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triggers = triggers.map(trigger => {
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trigger.Db = db.name;
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return trigger;
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});
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triggersArr.push(...triggers);
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}
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}
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return filteredDatabases.map(db => {
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if (schemas.has(db.name)) {
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// TABLES
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const remappedTables = tablesArr.filter(table => table.Db === db.name).map(table => {
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const tableSize = 0;
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schemaSize += tableSize;
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return {
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name: table.name,
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type: table.type,
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rows: false,
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size: false
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};
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});
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// TRIGGERS
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const remappedTriggers = triggersArr.filter(trigger => trigger.Db === db.name).map(trigger => {
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return {
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name: trigger.name,
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table: trigger.tbl_name
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};
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});
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return {
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name: db.name,
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size: schemaSize,
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tables: remappedTables,
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functions: [],
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procedures: [],
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triggers: remappedTriggers,
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schedulers: []
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};
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}
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else {
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return {
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name: db.name,
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size: 0,
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tables: [],
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functions: [],
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procedures: [],
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triggers: [],
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schedulers: []
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};
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}
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});
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}
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async getTableColumns ({ schema, table }: { schema: string; table: string }) {
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interface TableColumnsResult {
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cid: number;
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name: string;
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type: string;
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notnull: 0 | 1;
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// eslint-disable-next-line camelcase
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dflt_value: string;
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pk: 0 | 1;
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}
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const { rows: fields } = await this.raw<antares.QueryResult<TableColumnsResult>>(`SELECT * FROM "${schema}".pragma_table_info('${table}')`);
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return fields.map(field => {
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const [type, length]: [string, number?] = field.type.includes('(')
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? field.type.replace(')', '').split('(').map((el: string | number) => {
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if (!isNaN(Number(el))) el = Number(el);
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return el;
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}) as [string, number?]
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: [field.type, null];
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return {
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name: field.name,
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key: null,
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type: type.trim(),
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schema: schema,
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table: table,
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numPrecision: [...NUMBER, ...FLOAT].includes(type) ? length : null,
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datePrecision: null,
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charLength: ![...NUMBER, ...FLOAT].includes(type) ? length : null,
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nullable: !field.notnull,
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unsigned: null,
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zerofill: null,
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order: typeof field.cid === 'string' ? +field.cid + 1 : field.cid + 1,
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default: field.dflt_value,
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charset: null,
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collation: null,
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autoIncrement: false,
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onUpdate: null,
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comment: ''
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};
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});
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}
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async getTableApproximateCount ({ schema, table }: { schema: string; table: string }): Promise<number> {
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const { rows } = await this.raw(`SELECT COUNT(*) AS count FROM "${schema}"."${table}"`);
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return rows.length ? rows[0].count : 0;
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}
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async getTableOptions ({ table }: { table: string }) {
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return { name: table };
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}
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async getTableIndexes ({ schema, table }: { schema: string; table: string }) {
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interface TableColumnsResult {
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type: string;
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name: string;
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// eslint-disable-next-line camelcase
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tbl_name: string;
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rootpage:4;
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sql: string;
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}
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interface ShowIndexesResult {
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seq: number;
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name: string;
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unique: 0 | 1;
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origin: string;
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partial: 0 | 1;
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}
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const remappedIndexes = [];
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const { rows: primaryKeys } = await this.raw<antares.QueryResult<TableColumnsResult>>(`SELECT * FROM "${schema}".pragma_table_info('${table}') WHERE pk != 0`);
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for (const key of primaryKeys) {
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remappedIndexes.push({
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name: 'PRIMARY',
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column: key.name,
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type: 'PRIMARY'
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});
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}
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const { rows: indexes } = await this.raw<antares.QueryResult<ShowIndexesResult>>(`SELECT * FROM "${schema}".pragma_index_list('${table}');`);
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for (const index of indexes) {
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const { rows: details } = await this.raw(`SELECT * FROM "${schema}".pragma_index_info('${index.name}');`);
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for (const detail of details) {
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remappedIndexes.push({
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name: index.name,
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column: detail.name,
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indexType: null as never,
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type: index.unique === 1 ? 'UNIQUE' : 'INDEX',
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cardinality: null as never,
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comment: '',
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indexComment: ''
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});
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}
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}
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return remappedIndexes;
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}
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async getKeyUsage ({ schema, table }: { schema: string; table: string }) {
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/* eslint-disable camelcase */
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interface KeyResult {
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from: string;
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id: number;
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table: string;
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to: string;
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on_update: string;
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on_delete: string;
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}
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/* eslint-enable camelcase */
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const { rows } = await this.raw<antares.QueryResult<KeyResult>>(`SELECT * FROM "${schema}".pragma_foreign_key_list('${table}');`);
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return rows.map(field => {
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return {
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schema: schema,
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table: table,
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field: field.from,
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position: field.id + 1,
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constraintPosition: null,
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constraintName: field.id,
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refSchema: schema,
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refTable: field.table,
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refField: field.to,
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onUpdate: field.on_update,
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onDelete: field.on_delete
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};
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});
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}
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async getUsers (): Promise<void> {
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return null;
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}
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async createTable (params: antares.CreateTableParams) {
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const {
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schema,
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fields,
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foreigns,
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indexes,
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options
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} = params;
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const newColumns: string[] = [];
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const newIndexes: string[] = [];
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const manageIndexes: string[] = [];
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const newForeigns: string[] = [];
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let sql = `CREATE TABLE "${schema}"."${options.name}"`;
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// ADD FIELDS
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fields.forEach(field => {
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const typeInfo = this.getTypeInfo(field.type);
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const length = typeInfo?.length ? field.enumValues || field.numLength || field.charLength || field.datePrecision : false;
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newColumns.push(`"${field.name}"
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${field.type.toUpperCase()}${length ? `(${length})` : ''}
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${field.unsigned ? 'UNSIGNED' : ''}
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${field.nullable ? 'NULL' : 'NOT NULL'}
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${field.autoIncrement ? 'AUTO_INCREMENT' : ''}
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${field.default !== null ? `DEFAULT ${field.default || '\'\''}` : ''}
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${field.onUpdate ? `ON UPDATE ${field.onUpdate}` : ''}`);
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});
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// ADD INDEX
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indexes.forEach(index => {
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const fields = index.fields.map(field => `"${field}"`).join(',');
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const type = index.type;
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if (type === 'PRIMARY')
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newIndexes.push(`PRIMARY KEY (${fields})`);
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else
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manageIndexes.push(`CREATE ${type === 'UNIQUE' ? type : ''} INDEX "${index.name}" ON "${options.name}" (${fields})`);
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});
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// ADD FOREIGN KEYS
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foreigns.forEach(foreign => {
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newForeigns.push(`CONSTRAINT "${foreign.constraintName}" FOREIGN KEY ("${foreign.field}") REFERENCES "${foreign.refTable}" ("${foreign.refField}") ON UPDATE ${foreign.onUpdate} ON DELETE ${foreign.onDelete}`);
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});
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sql = `${sql} (${[...newColumns, ...newIndexes, ...newForeigns].join(', ')})`;
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if (manageIndexes.length) sql = `${sql}; ${manageIndexes.join(';')}`;
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return await this.raw(sql);
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}
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async alterTable (params: antares.AlterTableParams) {
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const {
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table,
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schema,
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additions,
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deletions,
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changes,
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tableStructure
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} = params;
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try {
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await this.raw('BEGIN TRANSACTION');
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await this.raw('PRAGMA foreign_keys = 0');
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const tmpName = `Antares_${table}_tmp`;
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await this.raw(`CREATE TABLE "${tmpName}" AS SELECT * FROM "${table}"`);
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await this.dropTable(params);
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const createTableParams = {
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schema: schema,
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fields: tableStructure.fields,
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foreigns: tableStructure.foreigns,
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indexes: tableStructure.indexes.filter(index => !index.name.includes('sqlite_autoindex')),
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options: { name: tableStructure.name }
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};
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await this.createTable(createTableParams);
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const insertFields = createTableParams.fields
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.filter(field => {
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return (
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additions.every(add => add.name !== field.name) &&
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deletions.every(del => del.name !== field.name)
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);
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})
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.reduce((acc, curr) => {
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acc.push(`"${curr.name}"`);
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return acc;
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}, []);
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const selectFields = insertFields.map(field => {
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const renamedField = changes.find(change => `"${change.name}"` === field);
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if (renamedField)
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return `"${renamedField.orgName}"`;
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return field;
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});
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await this.raw(`INSERT INTO "${createTableParams.options.name}" (${insertFields.join(',')}) SELECT ${selectFields.join(',')} FROM "${tmpName}"`);
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await this.dropTable({ schema: schema, table: tmpName });
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await this.raw('PRAGMA foreign_keys = 1');
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await this.raw('COMMIT');
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}
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catch (err) {
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await this.raw('ROLLBACK');
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return Promise.reject(err);
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}
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}
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async duplicateTable (params: { schema: string; table: string }) { // TODO: retrive table informations and create a copy
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const sql = `CREATE TABLE "${params.schema}"."${params.table}_copy" AS SELECT * FROM "${params.schema}"."${params.table}"`;
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return await this.raw(sql);
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}
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async truncateTable (params: { schema: string; table: string }) {
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const sql = `DELETE FROM "${params.schema}"."${params.table}"`;
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return await this.raw(sql);
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}
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async dropTable (params: { schema: string; table: string }) {
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const sql = `DROP TABLE "${params.schema}"."${params.table}"`;
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return await this.raw(sql);
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}
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async getViewInformations ({ schema, view }: { schema: string; view: string }) {
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const sql = `SELECT "sql" FROM "${schema}".sqlite_master WHERE "type"='view' AND name='${view}'`;
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const results = await this.raw(sql);
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return results.rows.map(row => {
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return {
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sql: row.sql.match(/(?<=AS ).*?$/gs)[0],
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name: view
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};
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})[0];
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}
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async dropView (params: { schema: string; view: string }) {
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const sql = `DROP VIEW "${params.schema}"."${params.view}"`;
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return await this.raw(sql);
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}
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async alterView ({ view }: { view: antares.AlterViewParams }) {
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try {
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await this.dropView({ schema: view.schema, view: view.oldName });
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await this.createView(view);
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}
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catch (err) {
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return Promise.reject(err);
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}
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}
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async createView (params: antares.CreateViewParams) {
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const sql = `CREATE VIEW "${params.schema}"."${params.name}" AS ${params.sql}`;
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return await this.raw(sql);
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}
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async getTriggerInformations ({ schema, trigger }: { schema: string; trigger: string }) {
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const sql = `SELECT "sql" FROM "${schema}".sqlite_master WHERE "type"='trigger' AND name='${trigger}'`;
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const results = await this.raw(sql);
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return results.rows.map(row => {
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return {
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sql: row.sql.match(/(BEGIN|begin)(.*)(END|end)/gs)[0],
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name: trigger,
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table: row.sql.match(/(?<=ON `).*?(?=`)/gs)[0],
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activation: row.sql.match(/(BEFORE|AFTER)/gs)[0],
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event: row.sql.match(/(INSERT|UPDATE|DELETE)/gs)[0]
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};
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})[0];
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}
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async dropTrigger (params: { schema: string; trigger: string }) {
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const sql = `DROP TRIGGER \`${params.schema}\`.\`${params.trigger}\``;
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return await this.raw(sql);
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}
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async alterTrigger ({ trigger } : {trigger: antares.AlterTriggerParams}) {
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const tempTrigger = Object.assign({}, trigger);
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tempTrigger.name = `Antares_${tempTrigger.name}_tmp`;
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try {
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await this.createTrigger(tempTrigger);
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await this.dropTrigger({ schema: trigger.schema, trigger: tempTrigger.name });
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await this.dropTrigger({ schema: trigger.schema, trigger: trigger.oldName });
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await this.createTrigger(trigger);
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}
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catch (err) {
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return Promise.reject(err);
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}
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}
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async createTrigger (params: antares.CreateTriggerParams) {
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const sql = `CREATE ${params.definer ? `DEFINER=${params.definer} ` : ''}TRIGGER \`${params.schema}\`.\`${params.name}\` ${params.activation} ${params.event} ON \`${params.table}\` FOR EACH ROW ${params.sql}`;
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return await this.raw(sql, { split: false });
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}
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async getEngines () {
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return {
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name: 'SQLite',
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support: 'YES',
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comment: '',
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isDefault: true
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};
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}
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async getVersion () {
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const os = require('os');
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const sql = 'SELECT sqlite_version() AS version';
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const { rows } = await this.raw(sql);
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return {
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number: rows[0].version,
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name: 'SQLite',
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arch: process.arch,
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os: `${os.type()} ${os.release()}`
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};
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}
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async getProcesses (): Promise<void> {
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return null;
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}
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async killProcess (): Promise<void> {
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return null;
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}
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async commitTab (tabUid: string) {
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const connection = this._connectionsToCommit.get(tabUid);
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if (connection) {
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connection.prepare('COMMIT').run();
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return this.destroyConnectionToCommit(tabUid);
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}
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}
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async rollbackTab (tabUid: string) {
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const connection = this._connectionsToCommit.get(tabUid);
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if (connection) {
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connection.prepare('ROLLBACK').run();
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return this.destroyConnectionToCommit(tabUid);
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}
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}
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destroyConnectionToCommit (tabUid: string) {
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const connection = this._connectionsToCommit.get(tabUid);
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if (connection) {
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connection.close();
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this._connectionsToCommit.delete(tabUid);
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}
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}
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getSQL () {
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// SELECT
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const selectArray = this._query.select.reduce(this._reducer, []);
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let selectRaw = '';
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if (selectArray.length)
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selectRaw = selectArray.length ? `SELECT ${selectArray.join(', ')} ` : 'SELECT * ';
|
|
|
|
// FROM
|
|
let fromRaw = '';
|
|
|
|
if (!this._query.update.length && !Object.keys(this._query.insert).length && !!this._query.from)
|
|
fromRaw = 'FROM';
|
|
else if (Object.keys(this._query.insert).length)
|
|
fromRaw = 'INTO';
|
|
|
|
fromRaw += this._query.from ? ` ${this._query.schema ? `"${this._query.schema}".` : ''}"${this._query.from}" ` : '';
|
|
|
|
// WHERE
|
|
const whereArray = this._query.where
|
|
.reduce(this._reducer, [])
|
|
?.map(clausole => clausole.replace('= null', 'IS NULL'));
|
|
const whereRaw = whereArray.length ? `WHERE ${whereArray.join(' AND ')} ` : '';
|
|
|
|
// UPDATE
|
|
const updateArray = this._query.update.reduce(this._reducer, []);
|
|
const updateRaw = updateArray.length ? `SET ${updateArray.join(', ')} ` : '';
|
|
|
|
// INSERT
|
|
let insertRaw = '';
|
|
|
|
if (this._query.insert.length) {
|
|
const fieldsList = Object.keys(this._query.insert[0]);
|
|
const rowsList = this._query.insert.map(el => `(${Object.values(el).join(', ')})`);
|
|
|
|
insertRaw = `(${fieldsList.join(', ')}) VALUES ${rowsList.join(', ')} `;
|
|
}
|
|
|
|
// GROUP BY
|
|
const groupByArray = this._query.groupBy.reduce(this._reducer, []);
|
|
const groupByRaw = groupByArray.length ? `GROUP BY ${groupByArray.join(', ')} ` : '';
|
|
|
|
// ORDER BY
|
|
const orderByArray = this._query.orderBy.reduce(this._reducer, []);
|
|
const orderByRaw = orderByArray.length ? `ORDER BY ${orderByArray.join(', ')} ` : '';
|
|
|
|
// LIMIT
|
|
const limitRaw = this._query.limit ? `LIMIT ${this._query.limit} ` : '';
|
|
|
|
// OFFSET
|
|
const offsetRaw = this._query.offset ? `OFFSET ${this._query.offset} ` : '';
|
|
|
|
return `${selectRaw}${updateRaw ? 'UPDATE' : ''}${insertRaw ? 'INSERT ' : ''}${this._query.delete ? 'DELETE ' : ''}${fromRaw}${updateRaw}${whereRaw}${groupByRaw}${orderByRaw}${limitRaw}${offsetRaw}${insertRaw}`;
|
|
}
|
|
|
|
async raw<T = antares.QueryResult> (sql: string, args?: antares.QueryParams) {
|
|
this._logger({ cUid: this._cUid, sql });// TODO: replace BLOB content with a placeholder
|
|
|
|
args = {
|
|
nest: false,
|
|
details: false,
|
|
split: true,
|
|
comments: true,
|
|
autocommit: true,
|
|
...args
|
|
};
|
|
|
|
if (!args.comments)
|
|
sql = sql.replace(/(\/\*(.|[\r\n])*?\*\/)|(--(.*|[\r\n]))/gm, '');// Remove comments
|
|
|
|
const resultsArr = [];
|
|
let paramsArr = [];
|
|
const queries = args.split
|
|
? sql.split(/((?:[^;'"]*(?:"(?:\\.|[^"])*"|'(?:\\.|[^'])*')[^;'"]*)+)|;/gm)
|
|
.filter(Boolean)
|
|
.map(q => q.trim())
|
|
: [sql];
|
|
|
|
let connection: sqlite.Database;
|
|
|
|
if (!args.autocommit && args.tabUid) { // autocommit OFF
|
|
if (this._connectionsToCommit.has(args.tabUid))
|
|
connection = this._connectionsToCommit.get(args.tabUid);
|
|
else {
|
|
connection = this.getConnection();
|
|
connection.prepare('BEGIN TRANSACTION').run();
|
|
this._connectionsToCommit.set(args.tabUid, connection);
|
|
}
|
|
}
|
|
else// autocommit ON
|
|
connection = this._connection;
|
|
|
|
for (const query of queries) {
|
|
if (!query) continue;
|
|
const timeStart = new Date();
|
|
let timeStop;
|
|
const keysArr: antares.QueryForeign[] = [];
|
|
|
|
// eslint-disable-next-line @typescript-eslint/no-explicit-any
|
|
const { rows, report, fields, keys, duration }: any = await new Promise((resolve, reject) => {
|
|
(async () => {
|
|
let queryRunResult: sqlite.RunResult;
|
|
// eslint-disable-next-line @typescript-eslint/no-explicit-any
|
|
let queryAllResult: any[];
|
|
let affectedRows;
|
|
let fields;
|
|
const detectedTypes: {[key: string]: string} = {};
|
|
|
|
try {
|
|
const stmt = connection.prepare(query);
|
|
|
|
if (stmt.reader) {
|
|
queryAllResult = stmt.all();
|
|
fields = stmt.columns();
|
|
|
|
if (queryAllResult.length) {
|
|
fields.forEach(field => {
|
|
detectedTypes[field.name] = typeof queryAllResult[0][field.name];
|
|
});
|
|
}
|
|
}
|
|
else {
|
|
queryRunResult = stmt.run();
|
|
affectedRows = queryRunResult.changes;
|
|
}
|
|
}
|
|
catch (err) {
|
|
reject(err);
|
|
}
|
|
|
|
timeStop = new Date();
|
|
|
|
let remappedFields = fields
|
|
? fields.map(field => {
|
|
let [parsedType, length]: [string, number?] = field.type?.includes('(')
|
|
? field.type.replace(')', '').split('(').map((el: string | number) => {
|
|
if (!isNaN(Number(el)))
|
|
el = Number(el);
|
|
else
|
|
el = (el as string).trim();
|
|
return el;
|
|
}) as [string, number?]
|
|
: [field.type, null];
|
|
|
|
if ([...TIME, ...DATETIME].includes(parsedType)) {
|
|
const firstNotNull = queryAllResult.find(res => res[field.name] !== null);
|
|
if (firstNotNull && firstNotNull[field.name].includes('.'))
|
|
length = firstNotNull[field.name].split('.').pop().length;
|
|
}
|
|
|
|
return {
|
|
name: field.name,
|
|
alias: field.name,
|
|
orgName: field.column,
|
|
schema: field.database,
|
|
table: field.table,
|
|
tableAlias: field.table,
|
|
orgTable: field.table,
|
|
type: field.type !== null ? parsedType : detectedTypes[field.name],
|
|
length,
|
|
key: undefined as string
|
|
};
|
|
}).filter(Boolean)
|
|
: [];
|
|
|
|
if (args.details) {
|
|
paramsArr = remappedFields.map(field => {
|
|
return {
|
|
table: field.table,
|
|
schema: field.schema
|
|
};
|
|
}).filter((val, i, arr) => arr.findIndex(el => el.schema === val.schema && el.table === val.table) === i);
|
|
|
|
for (const paramObj of paramsArr) {
|
|
if (!paramObj.table || !paramObj.schema) continue;
|
|
|
|
try {
|
|
const indexes = await this.getTableIndexes(paramObj);
|
|
|
|
remappedFields = remappedFields.map(field => {
|
|
const fieldIndex = indexes.find(i => i.column === field.name);
|
|
if (field.table === paramObj.table && field.schema === paramObj.schema) {
|
|
if (fieldIndex) {
|
|
const key = fieldIndex.type === 'PRIMARY' ? 'pri' : fieldIndex.type === 'UNIQUE' ? 'uni' : 'mul';
|
|
field = { ...field, key };
|
|
}
|
|
}
|
|
|
|
return field;
|
|
});
|
|
}
|
|
catch (err) {
|
|
reject(err);
|
|
}
|
|
}
|
|
}
|
|
|
|
resolve({
|
|
duration: timeStop.getTime() - timeStart.getTime(),
|
|
rows: Array.isArray(queryAllResult) ? queryAllResult.some(el => Array.isArray(el)) ? [] : queryAllResult : false,
|
|
report: affectedRows !== undefined ? { affectedRows } : null,
|
|
fields: remappedFields,
|
|
keys: keysArr
|
|
});
|
|
})();
|
|
});
|
|
|
|
resultsArr.push({ rows, report, fields, keys, duration });
|
|
}
|
|
|
|
const result = resultsArr.length === 1 ? resultsArr[0] : resultsArr;
|
|
|
|
return result as unknown as T;
|
|
}
|
|
|
|
getVariables (): null[] {
|
|
return [];
|
|
}
|
|
|
|
getCollations (): null[] {
|
|
return [];
|
|
}
|
|
}
|