Linting and updating SQL Server schema generation to include auto column and primary key recognition.
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cadb05923e
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974cf7b27e
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@ -7,15 +7,30 @@ CREATE TABLE products
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(
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id int IDENTITY(1,1),
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name varchar (20),
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description varchar(30)
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description varchar(30),
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CONSTRAINT pk_products PRIMARY KEY NONCLUSTERED (id)
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);
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IF OBJECT_ID ('dbo.tasks', 'U') IS NOT NULL
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DROP TABLE tasks;
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GO
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CREATE TABLE tasks
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(
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taskid int IDENTITY(1,1),
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taskname varchar (20)
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taskname varchar (20),
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productid int,
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CONSTRAINT pk_tasks PRIMARY KEY NONCLUSTERED (taskid),
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CONSTRAINT fk_products FOREIGN KEY (productid) REFERENCES products (id),
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);
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IF OBJECT_ID ('dbo.people', 'U') IS NOT NULL
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DROP TABLE people;
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GO
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CREATE TABLE people
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(
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name varchar(30),
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age varchar(20),
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CONSTRAINT pk_people PRIMARY KEY NONCLUSTERED (name, age)
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);
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INSERT products
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@ -29,6 +44,11 @@ VALUES
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('Meat', 'Animal thing');
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INSERT tasks
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(taskname)
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(taskname, productid)
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VALUES
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('Processing');
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('Processing', 1);
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INSERT people
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(name, age)
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VALUES
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('Bob', '30');
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@ -226,7 +226,12 @@ module External {
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manyRelationships: ManyRelationship[] = []
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for (let [key, field] of Object.entries(table.schema)) {
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// if set already, or not set just skip it
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if (row[key] == null || newRow[key] || field.autocolumn || field.type === FieldTypes.FORMULA) {
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if (
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row[key] == null ||
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newRow[key] ||
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field.autocolumn ||
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field.type === FieldTypes.FORMULA
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) {
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continue
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}
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// if its an empty string then it means return the column to null (if possible)
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@ -279,7 +279,9 @@ class SqlQueryBuilder extends SqlTableQueryBuilder {
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case Operation.DELETE:
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query = buildDelete(client, json, opts)
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break
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case Operation.CREATE_TABLE: case Operation.UPDATE_TABLE: case Operation.DELETE_TABLE:
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case Operation.CREATE_TABLE:
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case Operation.UPDATE_TABLE:
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case Operation.DELETE_TABLE:
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return this._tableQuery(json)
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default:
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throw `Operation type is not supported by SQL query builder`
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@ -6,7 +6,12 @@ import SchemaBuilder = Knex.SchemaBuilder
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import CreateTableBuilder = Knex.CreateTableBuilder
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const { FieldTypes, RelationshipTypes } = require("../../constants")
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function generateSchema(schema: CreateTableBuilder, table: Table, tables: Record<string, Table>, oldTable: null | Table = null) {
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function generateSchema(
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schema: CreateTableBuilder,
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table: Table,
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tables: Record<string, Table>,
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oldTable: null | Table = null
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) {
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let primaryKey = table && table.primary ? table.primary[0] : null
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const columns = Object.values(table.schema)
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// all columns in a junction table will be meta
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@ -19,17 +24,21 @@ function generateSchema(schema: CreateTableBuilder, table: Table, tables: Record
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schema.primary(metaCols.map(col => col.name))
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}
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// check if any columns need added
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const foreignKeys = Object.values(table.schema).map(col => col.foreignKey)
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for (let [key, column] of Object.entries(table.schema)) {
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// skip things that are already correct
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const oldColumn = oldTable ? oldTable.schema[key] : null
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if ((oldColumn && oldColumn.type === column.type) || (primaryKey === key && !isJunction)) {
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if (
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(oldColumn && oldColumn.type === column.type) ||
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(primaryKey === key && !isJunction)
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) {
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continue
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}
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switch (column.type) {
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case FieldTypes.STRING: case FieldTypes.OPTIONS: case FieldTypes.LONGFORM:
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case FieldTypes.STRING:
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case FieldTypes.OPTIONS:
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case FieldTypes.LONGFORM:
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schema.string(key)
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break
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case FieldTypes.NUMBER:
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@ -67,7 +76,9 @@ function generateSchema(schema: CreateTableBuilder, table: Table, tables: Record
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throw "Referenced table doesn't exist"
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}
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schema.integer(column.foreignKey).unsigned()
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schema.foreign(column.foreignKey).references(`${tableName}.${relatedTable.primary[0]}`)
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schema
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.foreign(column.foreignKey)
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.references(`${tableName}.${relatedTable.primary[0]}`)
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}
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break
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}
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@ -76,7 +87,10 @@ function generateSchema(schema: CreateTableBuilder, table: Table, tables: Record
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// need to check if any columns have been deleted
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if (oldTable) {
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const deletedColumns = Object.entries(oldTable.schema)
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.filter(([key, schema]) => schema.type !== FieldTypes.LINK && table.schema[key] == null)
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.filter(
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([key, schema]) =>
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schema.type !== FieldTypes.LINK && table.schema[key] == null
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)
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.map(([key]) => key)
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deletedColumns.forEach(key => {
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if (oldTable.constrained && oldTable.constrained.indexOf(key) !== -1) {
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@ -92,7 +106,7 @@ function generateSchema(schema: CreateTableBuilder, table: Table, tables: Record
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function buildCreateTable(
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knex: Knex,
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table: Table,
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tables: Record<string, Table>,
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tables: Record<string, Table>
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): SchemaBuilder {
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return knex.schema.createTable(table.name, schema => {
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generateSchema(schema, table, tables)
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@ -103,17 +117,14 @@ function buildUpdateTable(
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knex: Knex,
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table: Table,
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tables: Record<string, Table>,
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oldTable: Table,
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oldTable: Table
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): SchemaBuilder {
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return knex.schema.alterTable(table.name, schema => {
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generateSchema(schema, table, tables, oldTable)
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})
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}
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function buildDeleteTable(
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knex: Knex,
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table: Table,
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): SchemaBuilder {
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function buildDeleteTable(knex: Knex, table: Table): SchemaBuilder {
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return knex.schema.dropTable(table.name)
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}
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@ -151,7 +162,12 @@ class SqlTableQueryBuilder {
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if (!json.meta || !json.meta.table) {
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throw "Must specify old table for update"
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}
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query = buildUpdateTable(client, json.table, json.meta.tables, json.meta.table)
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query = buildUpdateTable(
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client,
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json.table,
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json.meta.tables,
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json.meta.table
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)
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break
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case Operation.DELETE_TABLE:
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query = buildDeleteTable(client, json.table)
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@ -164,4 +180,4 @@ class SqlTableQueryBuilder {
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}
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export default SqlTableQueryBuilder
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module.exports = SqlTableQueryBuilder
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module.exports = SqlTableQueryBuilder
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@ -4,7 +4,10 @@ import { Datasource } from "../../definitions/common"
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module DatasourceUtils {
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const { integrations } = require("../index")
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export async function makeExternalQuery(datasource: Datasource, json: QueryJson) {
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export async function makeExternalQuery(
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datasource: Datasource,
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json: QueryJson
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) {
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const Integration = integrations[datasource.source]
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// query is the opinionated function
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if (Integration.prototype.query) {
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@ -7,7 +7,7 @@ import {
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} from "../definitions/datasource"
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import { getSqlQuery } from "./utils"
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import { DatasourcePlus } from "./base/datasourcePlus"
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import { Table, TableSchema } from "../definitions/common";
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import { Table, TableSchema } from "../definitions/common"
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module MSSQLModule {
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const sqlServer = require("mssql")
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@ -129,9 +129,10 @@ module MSSQLModule {
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"spt_fallback_dev",
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"spt_fallback_usg",
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"spt_monitor",
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"MSreplication_options"
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"MSreplication_options",
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]
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TABLES_SQL = "SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE='BASE TABLE'"
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TABLES_SQL =
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"SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE='BASE TABLE'"
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getDefinitionSQL(tableName: string) {
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return `select *
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@ -139,6 +140,28 @@ module MSSQLModule {
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where TABLE_NAME='${tableName}'`
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}
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getConstraintsSQL(tableName: string) {
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return `SELECT * FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS AS TC
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INNER JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE AS KU
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ON TC.CONSTRAINT_TYPE = 'PRIMARY KEY'
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AND TC.CONSTRAINT_NAME = KU.CONSTRAINT_NAME
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AND KU.table_name='${tableName}'
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ORDER BY
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KU.TABLE_NAME,
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KU.ORDINAL_POSITION;`
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}
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getAutoColumnsSQL(tableName: string) {
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return `SELECT
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COLUMNPROPERTY(OBJECT_ID(TABLE_SCHEMA+'.'+TABLE_NAME),COLUMN_NAME,'IsComputed')
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AS IS_COMPUTED,
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COLUMNPROPERTY(object_id(TABLE_SCHEMA+'.'+TABLE_NAME), COLUMN_NAME, 'IsIdentity')
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AS IS_IDENTITY,
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*
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FROM INFORMATION_SCHEMA.COLUMNS
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WHERE TABLE_NAME='${tableName}'`
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}
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constructor(config: MSSQLConfig) {
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super("mssql")
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this.config = config
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@ -171,16 +194,39 @@ module MSSQLModule {
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* @param entities - the tables that are to be built
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*/
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async buildSchema(datasourceId: string, entities: Record<string, Table>) {
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await this.connect()
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let tableNames = await internalQuery(this.client, getSqlQuery(this.TABLES_SQL))
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let tableNames = await internalQuery(
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this.client,
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getSqlQuery(this.TABLES_SQL)
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)
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if (tableNames == null || !Array.isArray(tableNames.recordset)) {
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throw "Unable to get list of tables in database"
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}
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tableNames = tableNames.recordset.map((record: any) => record.TABLE_NAME).filter((name: string) => this.MASTER_TABLES.indexOf(name) === -1)
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tableNames = tableNames.recordset
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.map((record: any) => record.TABLE_NAME)
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.filter((name: string) => this.MASTER_TABLES.indexOf(name) === -1)
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const tables: Record<string, Table> = {}
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for (let tableName of tableNames) {
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const definition = await internalQuery(this.client, getSqlQuery(this.getDefinitionSQL(tableName)))
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const definition = await internalQuery(
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this.client,
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getSqlQuery(this.getDefinitionSQL(tableName))
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)
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const constraints = await internalQuery(
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this.client,
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getSqlQuery(this.getConstraintsSQL(tableName))
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)
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const columns = await internalQuery(
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this.client,
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getSqlQuery(this.getAutoColumnsSQL(tableName))
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)
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const autoColumns = columns.recordset
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.filter((col: any) => col.IS_COMPUTED || col.IS_IDENTITY)
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.map((col: any) => col.COLUMN_NAME)
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const primaryKeys = constraints.recordset
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.filter(
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(constraint: any) => constraint.CONSTRAINT_TYPE === "PRIMARY KEY"
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)
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.map((constraint: any) => constraint.COLUMN_NAME)
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let schema: TableSchema = {}
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for (let def of definition.recordset) {
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const name = def.COLUMN_NAME
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@ -188,16 +234,16 @@ module MSSQLModule {
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continue
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}
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const type: string = convertType(def.DATA_TYPE, TYPE_MAP)
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const identity = false
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schema[name] = {
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autocolumn: identity,
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autocolumn: !!autoColumns.find((col: string) => col === name),
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name: name,
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type,
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}
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}
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tables[tableName] = {
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_id: buildExternalTableId(datasourceId, tableName),
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primary: ["id"],
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primary: primaryKeys,
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name: tableName,
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schema,
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}
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