Initial commit - Event Planner application

node_modules/@mikro-orm/sql/schema/SchemaComparator.d.ts

@@ -0,0 +1,68 @@
+import { type Dictionary } from '@mikro-orm/core';
+import type { Column, ForeignKey, IndexDef, SchemaDifference, TableDifference } from '../typings.js';
+import type { DatabaseSchema } from './DatabaseSchema.js';
+import type { DatabaseTable } from './DatabaseTable.js';
+import type { AbstractSqlPlatform } from '../AbstractSqlPlatform.js';
+/**
+ * Compares two Schemas and return an instance of SchemaDifference.
+ */
+export declare class SchemaComparator {
+  #private;
+  constructor(platform: AbstractSqlPlatform);
+  /**
+   * Returns a SchemaDifference object containing the differences between the schemas fromSchema and toSchema.
+   *
+   * The returned differences are returned in such a way that they contain the
+   * operations to change the schema stored in fromSchema to the schema that is
+   * stored in toSchema.
+   */
+  compare(fromSchema: DatabaseSchema, toSchema: DatabaseSchema, inverseDiff?: SchemaDifference): SchemaDifference;
+  /**
+   * Returns the difference between the tables fromTable and toTable.
+   * If there are no differences this method returns the boolean false.
+   */
+  diffTable(
+    fromTable: DatabaseTable,
+    toTable: DatabaseTable,
+    inverseTableDiff?: TableDifference,
+  ): TableDifference | false;
+  /**
+   * Try to find columns that only changed their name, rename operations maybe cheaper than add/drop
+   * however ambiguities between different possibilities should not lead to renaming at all.
+   */
+  private detectColumnRenamings;
+  /**
+   * Try to find indexes that only changed their name, rename operations maybe cheaper than add/drop
+   * however ambiguities between different possibilities should not lead to renaming at all.
+   */
+  private detectIndexRenamings;
+  diffForeignKey(key1: ForeignKey, key2: ForeignKey, tableDifferences: TableDifference): boolean;
+  /**
+   * Returns the difference between the columns
+   */
+  diffColumn(fromColumn: Column, toColumn: Column, fromTable: DatabaseTable, logging?: boolean): Set<string>;
+  diffEnumItems(items1?: string[], items2?: string[]): boolean;
+  diffComment(comment1?: string, comment2?: string): boolean;
+  /**
+   * Finds the difference between the indexes index1 and index2.
+   * Compares index1 with index2 and returns index2 if there are any differences or false in case there are no differences.
+   */
+  diffIndex(index1: IndexDef, index2: IndexDef): boolean;
+  /**
+   * Checks if the other index already fulfills all the indexing and constraint needs of the current one.
+   */
+  isIndexFulfilledBy(index1: IndexDef, index2: IndexDef): boolean;
+  /**
+   * Compare advanced column options between two indexes.
+   */
+  private compareIndexColumns;
+  /**
+   * Compare two arrays for equality (order matters).
+   */
+  private compareArrays;
+  diffExpression(expr1: string, expr2: string): boolean;
+  parseJsonDefault(defaultValue?: string | null): Dictionary | string | null;
+  hasSameDefaultValue(from: Column, to: Column): boolean;
+  private mapColumnToProperty;
+  private log;
+}