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Added support for one to one relationship in ERD tool. #5128 #8425
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106 changes: 106 additions & 0 deletions
106
web/pgadmin/tools/erd/static/js/erd_tool/dialogs/OneToOneDialog.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| ///////////////////////////////////////////////////////////// | ||
| // | ||
| // pgAdmin 4 - PostgreSQL Tools | ||
| // | ||
| // Copyright (C) 2013 - 2024, The pgAdmin Development Team | ||
| // This software is released under the PostgreSQL Licence | ||
| // | ||
| ////////////////////////////////////////////////////////////// | ||
|
|
||
| import gettext from 'sources/gettext'; | ||
| import { isEmptyString } from 'sources/validators'; | ||
| import BaseUISchema from 'sources/SchemaView/base_schema.ui'; | ||
| import _ from 'lodash'; | ||
|
|
||
| class OneToOneSchema extends BaseUISchema { | ||
| constructor(fieldOptions={}, initValues={}, localTableData={}) { | ||
| super({ | ||
| local_table_uid: undefined, | ||
| local_column_attnum: undefined, | ||
| referenced_table_uid: undefined, | ||
| referenced_column_attnum: undefined, | ||
| constraint_type: undefined, | ||
| ...initValues, | ||
| }); | ||
| this.fieldOptions = fieldOptions; | ||
| this.localTableData = localTableData; | ||
| } | ||
|
|
||
| isVisible (state) { | ||
| let colName = _.find(this.localTableData.getData().columns, col => col.attnum === state.local_column_attnum)?.name; | ||
| let {pkCols, ukCols} = this.localTableData.getConstraintCols(); | ||
| return !((pkCols.includes(colName) || ukCols.includes(colName)) || isEmptyString(state.local_column_attnum)); | ||
| } | ||
| get baseFields() { | ||
| return [{ | ||
| id: 'local_table_uid', label: gettext('Local Table'), | ||
| type: 'select', readonly: true, controlProps: {allowClear: false}, | ||
| options: this.fieldOptions.local_table_uid, | ||
| },{ | ||
| id: 'local_column_attnum', label: gettext('Local Column'), | ||
| type: 'select', options: this.fieldOptions.local_column_attnum, | ||
| controlProps: {allowClear: false}, noEmpty: true, | ||
| },{ | ||
| id: 'constraint_type', label: gettext('Select constraint'), | ||
| type: 'toggle', deps: ['local_column_attnum'], | ||
| options: [ | ||
| {label: 'Primary Key', value: 'primary_key'}, | ||
| {label: 'Unique', value: 'unique'}, | ||
| ], | ||
| visible: this.isVisible, | ||
| depChange: (state, source)=>{ | ||
| if (source[0] === 'local_column_attnum' && this.isVisible(state)) { | ||
| return {constraint_type: 'unique'}; | ||
| } else if (source[0] === 'local_column_attnum') { | ||
| return {constraint_type: ''}; | ||
| } | ||
| }, helpMessage: gettext('A constraint is required to implement One to One relationship.') | ||
| }, { | ||
| id: 'referenced_table_uid', label: gettext('Referenced Table'), | ||
| type: 'select', options: this.fieldOptions.referenced_table_uid, | ||
| controlProps: {allowClear: false}, noEmpty: true, | ||
| },{ | ||
| id: 'referenced_column_attnum', label: gettext('Referenced Column'), | ||
| controlProps: {allowClear: false}, deps: ['referenced_table_uid'], noEmpty: true, | ||
| type: (state)=>({ | ||
| type: 'select', | ||
| options: state.referenced_table_uid ? ()=>this.fieldOptions.getRefColumns(state.referenced_table_uid) : [], | ||
| optionsReloadBasis: state.referenced_table_uid, | ||
| }), | ||
| }]; | ||
| } | ||
|
|
||
| validate(state, setError) { | ||
| let tableData = this.localTableData.getData(); | ||
| if (tableData.primary_key.length && state.constraint_type === 'primary_key') { | ||
| setError('constraint_type', gettext('Primary key already exists, please select different constraint.')); | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
| } | ||
|
|
||
| export function getOneToOneDialogSchema(attributes, tableNodesDict) { | ||
| let tablesData = []; | ||
| _.forEach(tableNodesDict, (node, uid)=>{ | ||
| let [schema, name] = node.getSchemaTableName(); | ||
| tablesData.push({value: uid, label: `(${schema}) ${name}`, image: 'icon-table'}); | ||
| }); | ||
|
|
||
| return new OneToOneSchema({ | ||
| local_table_uid: tablesData, | ||
| local_column_attnum: tableNodesDict[attributes.local_table_uid].getColumns().map((col)=>{ | ||
| return { | ||
| value: col.attnum, label: col.name, 'image': 'icon-column', | ||
| }; | ||
| }), | ||
| referenced_table_uid: tablesData, | ||
| getRefColumns: (uid)=>{ | ||
| return tableNodesDict[uid].getColumns().map((col)=>{ | ||
| return { | ||
| value: col.attnum, label: col.name, 'image': 'icon-column', | ||
| }; | ||
| }); | ||
| }, | ||
| }, attributes, tableNodesDict[attributes.local_table_uid]); | ||
| } |
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