Compare commits

..

No commits in common. "main" and "v0.8.0" have entirely different histories.
main ... v0.8.0

10 changed files with 43 additions and 134 deletions

4
package-lock.json generated
View file

@ -1,12 +1,12 @@
{
"name": "dblang",
"version": "0.9.6",
"version": "0.7.0",
"lockfileVersion": 3,
"requires": true,
"packages": {
"": {
"name": "dblang",
"version": "0.9.6",
"version": "0.7.0",
"license": "UNLICENSED",
"dependencies": {
"mariadb": "^3.0.2",

View file

@ -1,6 +1,6 @@
{
"name": "dblang",
"version": "0.9.6",
"version": "0.8.0",
"description": "",
"main": "dist/db.js",
"types": "dist/db.d.ts",

View file

@ -13,7 +13,7 @@ Features:
- [x] remove unused Schema
- [x] joins
- [x] table alias
- [x] general aliases
- [x] generell aliases
- [x] unified response
- [ ] change Schema
- [ ] Key-Value Store Shortcut

View file

@ -2,7 +2,7 @@ import mariadb from 'mariadb';
import { checkConstraint, Constraint, Datatype, foreignConstraint, uniqueConstraint } from './dbStructure.js';
import { Handler } from './defaultHandler.js';
import { Query } from './query.js';
import { attributeSettings, extendedAttributeSettings, onAction, dbType, order } from './types.js';
import { attributeSettings, extendedAttributeSettings, onAction, dbType } from './types.js';
import { TableAlias } from "./alias.js"
import { insertResponse, readResponse, writeResponse, singleResponse } from "./responses.js"
//import { postgresHandler } from "./postgresHandler"
@ -104,13 +104,13 @@ export class Attribute {
[this]
))
}
if (ops.foreignKey != null) {
if (ops.foreginKey != null) {
table.addConstraint(new foreignConstraint(
table.dbLangDatabaseInstance.name + "_" + table.dbLangTableName + "_" + name + "_foreign_constraint_to_" + ops.foreignKey.link.name,
table.dbLangDatabaseInstance.name + "_" + table.dbLangTableName + "_" + name + "_foreign_constraint_to_" + ops.foreginKey.link.name,
[this],
[ops.foreignKey.link],
ops.foreignKey.onDelete,
ops.foreignKey.onUpdate
[ops.foreginKey.link],
ops.foreginKey.onDelete,
ops.foreginKey.onUpdate
));
}
}
@ -170,8 +170,7 @@ export class Table {
}));
}
addConstraint(c: Constraint) {
let check = c.check(this);
if(typeof check == "string") throw new Error(check);
c.check(this);
this.dbLangConstrains.push(c);
}
createAlias(name: string) {
@ -180,6 +179,6 @@ export class Table {
}
export * from './funcs.js';
export { onAction, order };
export { onAction };
export { dbType as databaseType }
export { readResponse, writeResponse, insertResponse, singleResponse }

View file

@ -1,7 +1,6 @@
import { Attribute, Table } from "./db.js";
import { Handler } from "./defaultHandler.js";
import { QueryBuilder } from "./query.js";
import { sha256 } from "./tools.js";
import { allModifierInput, joinElements, joinType, onAction, primaryData, serializeReturn } from "./types.js";
export class Datatype {
@ -111,7 +110,6 @@ export class checkConstraint implements Constraint {
checkQuery: BooleanModifier;
name: string;
constructor(name: string, check: BooleanModifier) {
if (name.length > 64) name = sha256(name);
this.name = name.toLowerCase();
this.checkQuery = check;
}
@ -127,17 +125,14 @@ export class uniqueConstraint implements Constraint {
name: string;
attrs: Attribute[];
constructor(name: string, attrs: Attribute[]) {
if (name.length > 64) name = sha256(name);
this.name = name.toLowerCase();
this.attrs = attrs;
}
check(table: Table): boolean | string {
let prim = true;
for (let i = 0; i < this.attrs.length; i++) {
if (!this.attrs[i].ops.primaryKey) prim = false;
if (this.attrs[i].ops.primaryKey) return "Can not combine unique Constraint and primary key";
if (this.attrs[i].table != table) return "Referencing Attributes must be in host Table.";
}
if (prim) return "Can not combine unique Constraint and primary key";
return false;
}
uses(attr: Attribute): boolean {
@ -152,7 +147,6 @@ export class foreignConstraint implements Constraint {
onUpdate: onAction;
onDelete: onAction;
constructor(name: string, from: Attribute[], to: Attribute[], onDelete: onAction = onAction.nothing, onUpdate: onAction = onAction.nothing) {
if (name.length > 64) name = sha256(name);
this.name = name.toLowerCase();
this.fromAttrs = from;
this.toAttrs = to;
@ -166,7 +160,7 @@ export class foreignConstraint implements Constraint {
let table = this.toAttrs[0].table;
for (let i = 0; i < this.toAttrs.length; i++) {
if (table != this.toAttrs[i].table) return "Referenced Attributes must be in one Table.";
if (!this.toAttrs[i].ops.primaryKey) return "Can not reference non primary keys.";
if (this.toAttrs[i].ops.primaryKey) return "Can not reference non primary keys.";
}
for (let i = 0; i < this.fromAttrs.length; i++) {
if (this.fromAttrs[i].table != t) return "Referencing Attributes must be in host Table.";

View file

@ -2,8 +2,7 @@ import { Alias, AttributeAlias, TableAlias } from "./alias.js";
import { Attribute, DB, insertResponse, readResponse, Table, writeResponse } from "./db.js"
import { Aggregation, checkConstraint, joinCross, Datatype, foreignConstraint, Modifier, joinNatural, onJoin, uniqueConstraint, usingJoin } from "./dbStructure.js"
import { insertQuery, Query, QueryBuilder, removeQuery, selectQuery, updateQuery } from "./query.js"
import { allModifierInput, joinType, onAction, order, primaryData } from "./types.js"
import { sha256 } from "./tools.js"
import { allModifierInput, joinType, onAction, primaryData } from "./types.js"
export class Handler {
db: DB;
@ -121,21 +120,6 @@ export class Handler {
return found == fromAttrs.length && found == toAttrs.length;
}
function freeForUpdate(attr: string, table: string, start = false, pool = del) {
for (let i = 0; i < key.length; i++) {
const k = key[i];
if (
((k.REFERENCED_TABLE_NAME ?? k.referenced_table_name) == table
&& (k.REFERENCED_COLUMN_NAME ?? k.referenced_column_name).toLowerCase() == attr.toLowerCase())
|| (start && (k.TABLE_NAME ?? k.table_name) == table
&& (k.COLUMN_NAME ?? k.column_name).toLowerCase() == attr.toLowerCase() && (k.REFERENCED_COLUMN_NAME ?? k.referenced_column_name) != null)
) {
pool.appendEnding(handler.querys.removeForeignKey(handler, (k.TABLE_NAME ?? k.table_name), (k.CONSTRAINT_NAME ?? k.constraint_name)));
key.splice(i--, 1);
}
}
}
//delete check and unused/false(unique, foreign) constraints
for (let i = 0; i < constraints.length; i++) {
const c = constraints[i];
@ -145,19 +129,7 @@ export class Handler {
if (
(typeof tableData[c.TABLE_NAME ?? c.table_name] == "undefined" && deleteInDB)
|| !checkUniqueIsVaild((c.CONSTRAINT_NAME ?? c.constraint_name), (c.TABLE_NAME ?? c.table_name))
) {
const uTName = (c.TABLE_NAME ?? c.table_name);
const uCName = (c.CONSTRAINT_NAME ?? c.constraint_name);
for (let j = 0; j < key.length; j++) {
if (
(key[j].CONSTRAINT_NAME ?? key[j].constraint_name) == uCName
&& (key[j].TABLE_NAME ?? key[j].table_name) == uTName
) {
freeForUpdate((key[j].COLUMN_NAME ?? key[j].column_name), uTName, true);
}
}
del.appendEnding(handler.querys.removeUnique(handler, uTName, uCName));
}
) del.appendEnding(handler.querys.removeUnique(handler, (c.TABLE_NAME ?? c.table_name), (c.CONSTRAINT_NAME ?? c.constraint_name)));
} else if ((c.CONSTRAINT_TYPE ?? c.constraint_type) == "FOREIGN KEY") {
if (
(typeof tableData[c.TABLE_NAME ?? c.table_name] == "undefined" && deleteInDB)
@ -170,6 +142,19 @@ export class Handler {
if (typeof tableData[allTables[i]] == "undefined") del.appendEnding(handler.querys.deleteTable(handler, allTables[i]));
}
function freeForUpdate(attr: string, table: string) {
for (let i = 0; i < key.length; i++) {
const k = key[i];
if (
(k.REFERENCED_TABLE_NAME ?? k.referenced_table_name) == table
&& (k.REFERENCED_COLUMN_NAME ?? k.referenced_column_name).toLowerCase() == attr.toLowerCase()
) {
del.appendEnding(handler.querys.removeForeignKey(handler, (k.TABLE_NAME ?? k.table_name), (k.CONSTRAINT_NAME ?? k.constraint_name)));
key.splice(i--, 1);
}
}
}
//create tables
for (let i = 0; i < db.tables.length; i++) {
const table = db.tables[i];
@ -195,13 +180,7 @@ export class Handler {
const a = table.dbLangTableAttributes[keys[j]];
const attrData = tableD[keys[j]];
if (attrData == null) {
if (a.ops.autoIncrement) {
a.ops.autoIncrement = false;
create.appendEnding(handler.querys.addColumn(handler, a));
a.ops.autoIncrement = true;
connst.appendEnding(handler.querys.addColumn(handler, a));
}
else create.appendEnding(handler.querys.addColumn(handler, a));
create.appendEnding(handler.querys.addColumn(handler, a));
if (a.ops.primaryKey) changePrimary = true;
} else if (
!handler.builders.compareDatatypes(handler, a.type, attrData.Type) ||
@ -209,6 +188,10 @@ export class Handler {
(!!a.ops.notNull || !!a.ops.autoIncrement || !!a.ops.primaryKey) != (attrData.Null == "NO") ||
(!!a.ops.autoIncrement) != (attrData.Extra == "auto_increment")
) {
/*console.log(!handler.builders.compareDatatypes(handler, a.type, attrData.Type), "|",
a.ops.default, attrData.Default, "|",
(!!a.ops.notNull || !!a.ops.autoIncrement || !!a.ops.primaryKey), (attrData.Null == "NO"), "|",
(!!a.ops.autoIncrement), (attrData.Extra == "auto_increment"));*/
freeForUpdate(a.name, a.table.dbLangTableName);
if (a.ops.autoIncrement) {
a.ops.autoIncrement = false;
@ -221,20 +204,11 @@ export class Handler {
if (attrData != null) {
if ((attrData.Key == "PRI") != (!!a.ops.primaryKey)) {
freeForUpdate(a.name, a.table.dbLangTableName);
console.log("206");
changePrimary = true;
}
}
}
if (changePrimary) for (let j = 0; j < keys.length; j++) {
const a = table.dbLangTableAttributes[keys[j]];
if (a.ops.autoIncrement) {
a.ops.autoIncrement = false;
create.appendEnding(handler.querys.changeColumn(handler, a));
a.ops.autoIncrement = true;
connst.appendEnding(handler.querys.changeColumn(handler, a));
}
freeForUpdate(a.name, a.table.dbLangTableName, true, create);
}
}
if (changePrimary) {
create.appendEnding(handler.querys.removePrimaryKey(handler, table.dbLangTableName));
@ -307,25 +281,6 @@ export class Handler {
builder.append(q.havingD.serialize(handler));
}
}
if (q.orderByD.length > 0) {
builder.addCode(" order by ");
for (let i = 0; i < q.orderByD.length; i++) {
const d = q.orderByD[i];
if (d[0] instanceof Attribute || d[0] instanceof AttributeAlias) builder.addCode(d[0].getString(handler));
else if (d[0] instanceof Alias)
builder.addCode(handler.builders.escapeID(d.toString()));
else if (d[0] instanceof Modifier || d[0] instanceof selectQuery || d[0] instanceof Aggregation) {
builder.addCode("(");
builder.append(d[0].serialize(handler));
builder.addCode(")");
} else {
builder.addInjection(d[0]);
}
if(d[1] == order.DESC) builder.addCode(" DESC");
else builder.addCode(" ASC");
if (i + 1 < q.orderByD.length) builder.addCode(", ");
}
}
if (q.limitD != null) {
if (q.limitOffsetD == null) {
builder.addCode(" limit ");
@ -346,7 +301,7 @@ export class Handler {
},
insert: (hander: Handler, q: insertQuery): QueryBuilder => {
const qb = new QueryBuilder();
qb.addCode("INSERT IGNORE INTO ");
qb.addCode("INSERT INTO ");
qb.addCode(q.attrs[0].table.serialize(hander));
qb.addCode("(");
qb.addCodeCommaSeperated(q.attrs.map(a => a.serialize(hander)));
@ -616,7 +571,6 @@ export class Handler {
},
escapeID: (key: string): string => {
if (!key || key === "" || key.includes('\u0000')) throw new Error("Can not escape empty key or with null unicode!");
if (key.length > 64) key = sha256(key);
if (key.match(/^`.+`$/g)) return key;
return `\`${key.replace(/`/g, '``')}\``;
},
@ -847,25 +801,7 @@ export class Handler {
}
builder.addCode(")");
return builder;
},
coalesce: (handler: Handler, a: allModifierInput[]): QueryBuilder => {
const builder = new QueryBuilder();
builder.addCode("COALESCE(");
for (let i = 0; i < a.length; i++) {
const e = a[i];
if (e instanceof Attribute || e instanceof AttributeAlias) builder.addCode(e.getString());
else if (e instanceof Alias)
builder.addCode(handler.builders.escapeID(e.toString()));
else if (e instanceof Modifier || e instanceof selectQuery || e instanceof Aggregation) {
builder.append(e.serialize(handler));
} else {
builder.addInjection(e);
}
if (i < a.length - 1) builder.addCode(", ");
}
builder.addCode(")");
return builder;
},
}
}
datatypes = {

View file

@ -24,7 +24,6 @@ export const regexp = (a: allModifierInput, b: allModifierInput) => new BooleanM
export const exists = (q: selectQuery) => new BooleanModifier("exists", [q]);
export const concat = (...args: allModifierInput[]) => new StringModifier("concat", args);
export const coalesce = (...args: allModifierInput[]) => new StringModifier("coalesce", args);
//aggregations
export const count = (a: Attribute) => new Aggregation("count", a);

View file

@ -2,7 +2,7 @@ import { AttributeAlias } from "./alias.js";
import { Attribute, DB, Table } from "./db.js";
import { BooleanModifier, Modifier } from "./dbStructure.js";
import { Handler } from "./defaultHandler.js";
import { allModifierInput, order, primaryData, selectElements, selectFromElements, serializeReturn } from "./types.js";
import { allModifierInput, primaryData, selectElements, selectFromElements, serializeReturn } from "./types.js";
export class Query {
@ -84,17 +84,6 @@ export class selectQuery {
this.havingD = m;
return this;
}
orderByD: ([allModifierInput, order])[] = [];
addOrderBy(a: allModifierInput, o: order = order.ASC) {
this.orderByD.push([a, o]);
return this;
}
orderBY(a: allModifierInput, o: order = order.ASC) {
this.orderByD = [[a, o]];
return this;
}
limitD: number | null = null;
limitOffsetD: number | null = null;
limit(i: number, offset: number = 0) {
@ -150,7 +139,7 @@ export class insertQuery {
const builder = this.serialize(handler);
const s = handler.builders.query(builder);
let readResp = await db.query(s, printQuery);
return handler.responses.insertResponse(readResp);
return db.getHandler().responses.insertResponse(readResp);
}
}
@ -179,7 +168,7 @@ export class updateQuery {
const builder = this.serialize(handler);
const s = handler.builders.query(builder);
let readResp = await db.query(s, printQuery);
return handler.responses.writeResponse(readResp);
return db.getHandler().responses.writeResponse(readResp);
}
}
@ -201,6 +190,6 @@ export class removeQuery {
const builder = this.serialize(handler);
const s = handler.builders.query(builder);
let readResp = await db.query(s, printQuery);
return handler.responses.writeResponse(readResp);
return db.getHandler().responses.writeResponse(readResp);
}
}

View file

@ -1,3 +0,0 @@
import crypto from "crypto";
export const sha256 = (d: any) => crypto.createHash('sha256').update(String(d)).digest('base64');

View file

@ -20,7 +20,7 @@ export type attributeSettings = {
default?: primaryData,
notNull?: boolean
primaryKey?: boolean,
foreignKey?: {
foreginKey?: {
link: Attribute,
onDelete?: onAction,
onUpdate?: onAction
@ -35,7 +35,7 @@ export type extendedAttributeSettings = {
default?: primaryData,
notNull?: boolean
primaryKey?: boolean,
foreignKey?: {
foreginKey?: {
link: Attribute,
onDelete?: onAction,
onUpdate?: onAction
@ -64,8 +64,3 @@ export enum dbType {
//mysql,
postgres,
}
export enum order {
ASC,
DESC
}