17729828783

Committed 15 Sep 2025 10:21AM UTC coverage: 87.193% (-0.8%) from 87.953%

Build # 17729828783

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vzakharchenko

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86.81

/src/utils/sqlUtils.ts

import { AnyColumn, Column, isTable, SQL, sql, StringChunk } from "drizzle-orm";
import { AnyMySqlTable, MySqlCustomColumn } from "drizzle-orm/mysql-core/index";
import { DateTime } from "luxon";
import { PrimaryKeyBuilder } from "drizzle-orm/mysql-core/primary-keys";
import { AnyIndexBuilder } from "drizzle-orm/mysql-core/indexes";
import { CheckBuilder } from "drizzle-orm/mysql-core/checks";
import { ForeignKeyBuilder } from "drizzle-orm/mysql-core/foreign-keys";
import { UniqueConstraintBuilder } from "drizzle-orm/mysql-core/unique-constraint";
import type { SelectedFields } from "drizzle-orm/mysql-core/query-builders/select.types";
import { MySqlTable } from "drizzle-orm/mysql-core";
import { isSQLWrapper } from "drizzle-orm/sql/sql";

/**
 * Interface representing table metadata information
 */
export interface MetadataInfo {
  /** The name of the table */
  tableName: string;
  /** Record of column names and their corresponding column definitions */
  columns: Record<string, AnyColumn>;
  /** Array of index builders */
  indexes: AnyIndexBuilder[];
  /** Array of check constraint builders */
  checks: CheckBuilder[];
  /** Array of foreign key builders */
  foreignKeys: ForeignKeyBuilder[];
  /** Array of primary key builders */
  primaryKeys: PrimaryKeyBuilder[];
  /** Array of unique constraint builders */
  uniqueConstraints: UniqueConstraintBuilder[];
  /** Array of all extra builders */
  extras: any[];
}

/**
 * Interface for config builder data
 */
interface ConfigBuilderData {
  value?: any;
  [key: string]: any;
}

/**
 * Parses a date string into a Date object using the specified format
 * @param value - The date string to parse or Date
 * @param format - The format to use for parsing
 * @returns Date object
 */

export const parseDateTime = (value: string | Date, format: string): Date => {
  let result: Date;
  if (value instanceof Date) {
    result = value;
  } else {
    // 1. Try to parse using the provided format (strict mode)
    const dt = DateTime.fromFormat(value, format);
    if (dt.isValid) {
      result = dt.toJSDate();
    } else {
      // 2. Try to parse as ISO string
      const isoDt = DateTime.fromISO(value);
      if (isoDt.isValid) {
        result = isoDt.toJSDate();
      } else {
        // 3. Fallback: use native Date constructor
        result = new Date(value);
      }
    }
  }
  // 4. Ensure the result is a valid Date object
  if (isNaN(result.getTime())) {
    result = new Date(value);
  }
  return result;
};

/**
 * Helper function to validate and format a date-like value using Luxon DateTime.
 * @param value - Date object, ISO/RFC2822/SQL/HTTP string, or timestamp (number|string).
 * @param format - DateTime format string (Luxon format tokens).
 * @returns Formatted date string.
 * @throws Error if value cannot be parsed as a valid date.
 */
export function formatDateTime(value: Date | string | number, format: string): string {
  let dt: DateTime | null = null;

  if (value instanceof Date) {
    dt = DateTime.fromJSDate(value);
  } else if (typeof value === "string") {
    for (const parser of [
      DateTime.fromISO,
      DateTime.fromRFC2822,
      DateTime.fromSQL,
      DateTime.fromHTTP,
    ]) {
      dt = parser(value);
      if (dt.isValid) break;
    }
    if (!dt?.isValid) {
      const parsed = Number(value);
      if (!isNaN(parsed)) {
        dt = DateTime.fromMillis(parsed);
      }
    }
  } else if (typeof value === "number") {
    dt = DateTime.fromMillis(value);
  } else {
    throw new Error("Unsupported type");
  }

  if (!dt?.isValid) {
    throw new Error("Invalid Date");
  }

  return dt.toFormat(format);
}

/**
 * Gets primary keys from the schema.
 * @template T - The type of the table schema
 * @param {T} table - The table schema
 * @returns {[string, AnyColumn][]} Array of primary key name and column pairs
 */
export function getPrimaryKeys<T extends AnyMySqlTable>(table: T): [string, AnyColumn][] {
  const { columns, primaryKeys } = getTableMetadata(table);

  // First try to find primary keys in columns
  const columnPrimaryKeys = Object.entries(columns).filter(([, column]) => column.primary) as [
    string,
    AnyColumn,
  ][];

  if (columnPrimaryKeys.length > 0) {
    return columnPrimaryKeys;
  }

  // If no primary keys found in columns, check primary key builders
  if (Array.isArray(primaryKeys) && primaryKeys.length > 0) {
    // Collect all primary key columns from all primary key builders
    const primaryKeyColumns = new Set<[string, AnyColumn]>();

    primaryKeys.forEach((primaryKeyBuilder) => {
      // Get primary key columns from each builder
      Object.entries(columns)
        .filter(([, column]) => {
          // @ts-ignore - PrimaryKeyBuilder has internal columns property
          return primaryKeyBuilder.columns.includes(column);
        })
        .forEach(([name, column]) => {
          primaryKeyColumns.add([name, column]);
        });
    });

    return Array.from(primaryKeyColumns);
  }

  return [];
}

/**
 * Processes foreign keys from both foreignKeysSymbol and extraSymbol
 * @param table - The table schema
 * @param foreignKeysSymbol - Symbol for foreign keys
 * @param extraSymbol - Symbol for extra configuration
 * @returns Array of foreign key builders
 */
function processForeignKeys(
  table: AnyMySqlTable,
  foreignKeysSymbol: symbol | undefined,
  extraSymbol: symbol | undefined,
): ForeignKeyBuilder[] {
  const foreignKeys: ForeignKeyBuilder[] = [];

  // Process foreign keys from foreignKeysSymbol
  if (foreignKeysSymbol) {
    // @ts-ignore
    const fkArray: any[] = table[foreignKeysSymbol];
    if (fkArray) {
      fkArray.forEach((fk) => {
        if (fk.reference) {
          const item = fk.reference(fk);
          foreignKeys.push(item);
        }
      });
    }
  }

  // Process foreign keys from extraSymbol
  if (extraSymbol) {
    // @ts-ignore
    const extraConfigBuilder = table[extraSymbol];
    if (extraConfigBuilder && typeof extraConfigBuilder === "function") {
      const configBuilderData = extraConfigBuilder(table);
      if (configBuilderData) {
        const configBuilders = Array.isArray(configBuilderData)
          ? configBuilderData
          : Object.values(configBuilderData).map(
              (item) => (item as ConfigBuilderData).value ?? item,
            );

        configBuilders.forEach((builder) => {
          if (!builder?.constructor) return;

          const builderName = builder.constructor.name.toLowerCase();
          if (builderName.includes("foreignkeybuilder")) {
            foreignKeys.push(builder);
          }
        });
      }
    }
  }

  return foreignKeys;
}

/**
 * Extracts table metadata from the schema.
 * @param {AnyMySqlTable} table - The table schema
 * @returns {MetadataInfo} Object containing table metadata
 */
export function getTableMetadata(table: AnyMySqlTable): MetadataInfo {
  const symbols = Object.getOwnPropertySymbols(table);
  const nameSymbol = symbols.find((s) => s.toString().includes("Name"));
  const columnsSymbol = symbols.find((s) => s.toString().includes("Columns"));
  const foreignKeysSymbol = symbols.find((s) => s.toString().includes("ForeignKeys)"));
  const extraSymbol = symbols.find((s) => s.toString().includes("ExtraConfigBuilder"));

  // Initialize builders arrays
  const builders = {
    indexes: [] as AnyIndexBuilder[],
    checks: [] as CheckBuilder[],
    foreignKeys: [] as ForeignKeyBuilder[],
    primaryKeys: [] as PrimaryKeyBuilder[],
    uniqueConstraints: [] as UniqueConstraintBuilder[],
    extras: [] as any[],
  };

  // Process foreign keys
  builders.foreignKeys = processForeignKeys(table, foreignKeysSymbol, extraSymbol);

  // Process extra configuration if available
  if (extraSymbol) {
    // @ts-ignore
    const extraConfigBuilder = table[extraSymbol];
    if (extraConfigBuilder && typeof extraConfigBuilder === "function") {
      const configBuilderData = extraConfigBuilder(table);
      if (configBuilderData) {
        // Convert configBuilderData to array if it's an object
        const configBuilders = Array.isArray(configBuilderData)
          ? configBuilderData
          : Object.values(configBuilderData).map(
              (item) => (item as ConfigBuilderData).value ?? item,
            );

        // Process each builder
        configBuilders.forEach((builder) => {
          if (!builder?.constructor) return;

          const builderName = builder.constructor.name.toLowerCase();

          // Map builder types to their corresponding arrays
          const builderMap = {
            indexbuilder: builders.indexes,
            checkbuilder: builders.checks,
            primarykeybuilder: builders.primaryKeys,
            uniqueconstraintbuilder: builders.uniqueConstraints,
          };

          // Add builder to appropriate array if it matches any type
          for (const [type, array] of Object.entries(builderMap)) {
            if (builderName.includes(type)) {
              array.push(builder);
              break;
            }
          }

          // Always add to extras array
          builders.extras.push(builder);
        });
      }
    }
  }

  return {
    tableName: nameSymbol ? (table as any)[nameSymbol] : "",
    columns: columnsSymbol ? ((table as any)[columnsSymbol] as Record<string, AnyColumn>) : {},
    ...builders,
  };
}

/**
 * Generates SQL statements for dropping tables and/or their sequences.
 *
 * @param tables - List of table names to generate DROP statements for.
 * @param options - Configuration object:
 *   - sequence: whether to drop associated sequences (default: true)
 *   - table: whether to drop tables themselves (default: true)
 * @returns Array of SQL statements for dropping the specified objects
 */
export function generateDropTableStatements(
  tables: string[],
  options?: { sequence: boolean; table: boolean },
): string[] {
  const dropStatements: string[] = [];
  const validOptions = options ?? { sequence: true, table: true };
  if (!validOptions.sequence && !validOptions.table) {
    console.warn('No drop operations requested: both "table" and "sequence" options are false');
    return [];
  }
  tables.forEach((tableName) => {
    if (validOptions.table) {
      dropStatements.push(`DROP TABLE IF EXISTS \`${tableName}\`;`);
    }
    if (validOptions.sequence) {
      dropStatements.push(`DROP SEQUENCE IF EXISTS \`${tableName}\`;`);
    }
  });

  return dropStatements;
}

type AliasColumnMap = Record<string, AnyColumn>;

function mapSelectTableToAlias(
  table: MySqlTable,
  uniqPrefix: string,
  aliasMap: AliasColumnMap,
): any {
  const { columns, tableName } = getTableMetadata(table);
  const selectionsTableFields: Record<string, unknown> = {};
  Object.keys(columns).forEach((name) => {
    const column = columns[name] as AnyColumn;
    const uniqName = `a_${uniqPrefix}_${tableName}_${column.name}`.toLowerCase();
    const fieldAlias = sql.raw(uniqName);
    selectionsTableFields[name] = sql`${column} as \`${fieldAlias}\``;
    aliasMap[uniqName] = column;
  });
  return selectionsTableFields;
}

function isDrizzleColumn(column: any): boolean {
  return column && typeof column === "object" && "table" in column;
}

export function mapSelectAllFieldsToAlias(
  selections: any,
  name: string,
  uniqName: string,
  fields: any,
  aliasMap: AliasColumnMap,
): any {
  if (isTable(fields)) {
    selections[name] = mapSelectTableToAlias(fields as MySqlTable, uniqName, aliasMap);
  } else if (isDrizzleColumn(fields)) {
    const column = fields as Column;
    const uniqAliasName = `a_${uniqName}_${column.name}`.toLowerCase();
    let aliasName = sql.raw(uniqAliasName);
    selections[name] = sql`${column} as \`${aliasName}\``;
    aliasMap[uniqAliasName] = column;
  } else if (isSQLWrapper(fields)) {
    selections[name] = fields;
  } else {
    const innerSelections: any = {};
    Object.entries(fields).forEach(([iname, ifields]) => {
      mapSelectAllFieldsToAlias(innerSelections, iname, `${uniqName}_${iname}`, ifields, aliasMap);
    });
    selections[name] = innerSelections;
  }
  return selections;
}
export function mapSelectFieldsWithAlias<TSelection extends SelectedFields>(
  fields: TSelection,
): { selections: TSelection; aliasMap: AliasColumnMap } {
  if (!fields) {
    throw new Error("fields is empty");
  }
  const aliasMap: AliasColumnMap = {};
  const selections: any = {};
  Object.entries(fields).forEach(([name, fields]) => {
    mapSelectAllFieldsToAlias(selections, name, name, fields, aliasMap);
  });
  return { selections, aliasMap };
}

function getAliasFromDrizzleAlias(value: unknown): string | undefined {
  const isSQL =
    value !== null && typeof value === "object" && isSQLWrapper(value) && "queryChunks" in value;
  if (isSQL) {
    const sql = value as SQL;
    const queryChunks = sql.queryChunks;
    if (queryChunks.length > 3) {
      const aliasNameChunk = queryChunks[queryChunks.length - 2];
      if (isSQLWrapper(aliasNameChunk) && "queryChunks" in aliasNameChunk) {
        const aliasNameChunkSql = aliasNameChunk as SQL;
        if (aliasNameChunkSql.queryChunks?.length === 1 && aliasNameChunkSql.queryChunks[0]) {
          const queryChunksStringChunc = aliasNameChunkSql.queryChunks[0];
          if ("value" in queryChunksStringChunc) {
            const values = (queryChunksStringChunc as StringChunk).value;
            if (values && values.length === 1) {
              return values[0];
            }
          }
        }
      }
    }
  }
  return undefined;
}

function transformValue(
  value: unknown,
  alias: string,
  aliasMap: Record<string, AnyColumn>,
): unknown {
  const column = aliasMap[alias];
  if (!column) return value;

  let customColumn = column as MySqlCustomColumn<any>;
  // @ts-ignore
  const fromDriver = customColumn?.mapFrom;
  if (fromDriver && value !== null && value !== undefined) {
    return fromDriver(value);
  }
  return value;
}

function transformObject(
  obj: Record<string, unknown>,
  selections: Record<string, unknown>,
  aliasMap: Record<string, AnyColumn>,
): Record<string, unknown> {
  const result: Record<string, unknown> = {};

  for (const [key, value] of Object.entries(obj)) {
    const selection = selections[key];
    const alias = getAliasFromDrizzleAlias(selection);
    if (alias && aliasMap[alias]) {
      result[key] = transformValue(value, alias, aliasMap);
    } else if (selection && typeof selection === "object" && !isSQLWrapper(selection)) {
      result[key] = transformObject(
        value as Record<string, unknown>,
        selection as Record<string, unknown>,
        aliasMap,
      );
    } else {
      result[key] = value;
    }
  }

  return result;
}

export function applyFromDriverTransform<T, TSelection>(
  rows: T[],
  selections: TSelection,
  aliasMap: Record<string, AnyColumn>,
): T[] {
  return rows.map((row) => {
    const transformed = transformObject(
      row as Record<string, unknown>,
      selections as Record<string, unknown>,
      aliasMap,
    ) as Record<string, unknown>;

    return processNullBranches(transformed) as unknown as T;
  });
}

function processNullBranches(obj: Record<string, unknown>): Record<string, unknown> | null {
  if (obj === null || typeof obj !== "object") {
    return obj;
  }

  // Skip built-in objects like Date, Array, etc.
  if (obj.constructor && obj.constructor.name !== "Object") {
    return obj;
  }

  const result: Record<string, unknown> = {};
  let allNull = true;

  for (const [key, value] of Object.entries(obj)) {
    if (value === null || value === undefined) {
      result[key] = null;
      continue;
    }

    if (typeof value === "object") {
      const processed = processNullBranches(value as Record<string, unknown>);
      result[key] = processed;
      if (processed !== null) {
        allNull = false;
      }
    } else {
      result[key] = value;
      allNull = false;
    }
  }

  return allNull ? null : result;
}

export function formatLimitOffset(limitOrOffset: number): number {
  if (typeof limitOrOffset !== "number" || isNaN(limitOrOffset)) {
    throw new Error("limitOrOffset must be a valid number");
  }
  return sql.raw(`${limitOrOffset}`) as unknown as number;
}

export function nextVal(sequenceName: string): number {
  return sql.raw(`NEXTVAL(${sequenceName})`) as unknown as number;
}

1	import { AnyColumn, Column, isTable, SQL, sql, StringChunk } from "drizzle-orm";	1✔
2	import { AnyMySqlTable, MySqlCustomColumn } from "drizzle-orm/mysql-core/index";
3	import { DateTime } from "luxon";	1✔
4	import { PrimaryKeyBuilder } from "drizzle-orm/mysql-core/primary-keys";
5	import { AnyIndexBuilder } from "drizzle-orm/mysql-core/indexes";
6	import { CheckBuilder } from "drizzle-orm/mysql-core/checks";
7	import { ForeignKeyBuilder } from "drizzle-orm/mysql-core/foreign-keys";
8	import { UniqueConstraintBuilder } from "drizzle-orm/mysql-core/unique-constraint";
9	import type { SelectedFields } from "drizzle-orm/mysql-core/query-builders/select.types";
10	import { MySqlTable } from "drizzle-orm/mysql-core";
11	import { isSQLWrapper } from "drizzle-orm/sql/sql";	1✔
12
13	/**
14	* Interface representing table metadata information
15	*/
16	export interface MetadataInfo {
17	/** The name of the table */
18	tableName: string;
19	/** Record of column names and their corresponding column definitions */
20	columns: Record<string, AnyColumn>;
21	/** Array of index builders */
22	indexes: AnyIndexBuilder[];
23	/** Array of check constraint builders */
24	checks: CheckBuilder[];
25	/** Array of foreign key builders */
26	foreignKeys: ForeignKeyBuilder[];
27	/** Array of primary key builders */
28	primaryKeys: PrimaryKeyBuilder[];
29	/** Array of unique constraint builders */
30	uniqueConstraints: UniqueConstraintBuilder[];
31	/** Array of all extra builders */
32	extras: any[];
33	}
34
35	/**
36	* Interface for config builder data
37	*/
38	interface ConfigBuilderData {
39	value?: any;
40	[key: string]: any;
41	}
42
43	/**
44	* Parses a date string into a Date object using the specified format
45	* @param value - The date string to parse or Date
46	* @param format - The format to use for parsing
47	* @returns Date object
48	*/
49
50	export const parseDateTime = (value: string \| Date, format: string): Date => {	1✔
51	let result: Date;	13✔
52	if (value instanceof Date) {	13✔
53	result = value;	1✔
54	} else {	13✔
55	// 1. Try to parse using the provided format (strict mode)
56	const dt = DateTime.fromFormat(value, format);	12✔
57	if (dt.isValid) {	12✔
58	result = dt.toJSDate();	4✔
59	} else {	8✔
60	// 2. Try to parse as ISO string
61	const isoDt = DateTime.fromISO(value);	8✔
62	if (isoDt.isValid) {	8!
63	result = isoDt.toJSDate();	×
64	} else {	8✔
65	// 3. Fallback: use native Date constructor
66	result = new Date(value);	8✔
67	}	8✔
68	}	8✔
69	}	12✔
70	// 4. Ensure the result is a valid Date object
71	if (isNaN(result.getTime())) {	13✔
72	result = new Date(value);	4✔
73	}	4✔
74	return result;	13✔
75	};	13✔
76
77	/**
78	* Helper function to validate and format a date-like value using Luxon DateTime.
79	* @param value - Date object, ISO/RFC2822/SQL/HTTP string, or timestamp (number\|string).
80	* @param format - DateTime format string (Luxon format tokens).
81	* @returns Formatted date string.
82	* @throws Error if value cannot be parsed as a valid date.
83	*/
84	export function formatDateTime(value: Date \| string \| number, format: string): string {	1✔
85	let dt: DateTime \| null = null;	13✔
86
87	if (value instanceof Date) {	13✔
88	dt = DateTime.fromJSDate(value);	13✔
89	} else if (typeof value === "string") {	13!
NEW 90	for (const parser of [	×
NEW 91	DateTime.fromISO,	×
NEW 92	DateTime.fromRFC2822,	×
NEW 93	DateTime.fromSQL,	×
NEW 94	DateTime.fromHTTP,	×
NEW 95	]) {	×
NEW 96	dt = parser(value);	×
NEW 97	if (dt.isValid) break;	×
NEW 98	}	×
NEW 99	if (!dt?.isValid) {	×
NEW 100	const parsed = Number(value);	×
NEW 101	if (!isNaN(parsed)) {	×
NEW 102	dt = DateTime.fromMillis(parsed);	×
NEW 103	}	×
NEW 104	}	×
NEW 105	} else if (typeof value === "number") {	×
NEW 106	dt = DateTime.fromMillis(value);	×
107	} else {	×
NEW 108	throw new Error("Unsupported type");	×
NEW 109	}	×
110
111	if (!dt?.isValid) {	13!
112	throw new Error("Invalid Date");	×
113	}	×
114
115	return dt.toFormat(format);	13✔
116	}	13✔
117
118	/**
119	* Gets primary keys from the schema.
120	* @template T - The type of the table schema
121	* @param {T} table - The table schema
122	* @returns {[string, AnyColumn][]} Array of primary key name and column pairs
123	*/
124	export function getPrimaryKeys<T extends AnyMySqlTable>(table: T): [string, AnyColumn][] {	1✔
125	const { columns, primaryKeys } = getTableMetadata(table);	14✔
126
127	// First try to find primary keys in columns
128	const columnPrimaryKeys = Object.entries(columns).filter(([, column]) => column.primary) as [	14✔
129	string,
130	AnyColumn,
131	][];
132
133	if (columnPrimaryKeys.length > 0) {	14✔
134	return columnPrimaryKeys;	10✔
135	}	10✔
136
137	// If no primary keys found in columns, check primary key builders
138	if (Array.isArray(primaryKeys) && primaryKeys.length > 0) {	14✔
139	// Collect all primary key columns from all primary key builders
140	const primaryKeyColumns = new Set<[string, AnyColumn]>();	4✔
141
142	primaryKeys.forEach((primaryKeyBuilder) => {	4✔
143	// Get primary key columns from each builder
144	Object.entries(columns)	4✔
145	.filter(([, column]) => {	4✔
146	// @ts-ignore - PrimaryKeyBuilder has internal columns property
147	return primaryKeyBuilder.columns.includes(column);	8✔
148	})	4✔
149	.forEach(([name, column]) => {	4✔
150	primaryKeyColumns.add([name, column]);	4✔
151	});	4✔
152	});	4✔
153
154	return Array.from(primaryKeyColumns);	4✔
155	}	4!
156
157	return [];	×
158	}	×
159
160	/**
161	* Processes foreign keys from both foreignKeysSymbol and extraSymbol
162	* @param table - The table schema
163	* @param foreignKeysSymbol - Symbol for foreign keys
164	* @param extraSymbol - Symbol for extra configuration
165	* @returns Array of foreign key builders
166	*/
167	function processForeignKeys(	46✔
168	table: AnyMySqlTable,	46✔
169	foreignKeysSymbol: symbol \| undefined,	46✔
170	extraSymbol: symbol \| undefined,	46✔
171	): ForeignKeyBuilder[] {	46✔
172	const foreignKeys: ForeignKeyBuilder[] = [];	46✔
173
174	// Process foreign keys from foreignKeysSymbol
175	if (foreignKeysSymbol) {	46✔
176	// @ts-ignore
177	const fkArray: any[] = table[foreignKeysSymbol];	46✔
178	if (fkArray) {	46✔
179	fkArray.forEach((fk) => {	46✔
180	if (fk.reference) {	×
181	const item = fk.reference(fk);	×
182	foreignKeys.push(item);	×
183	}	×
184	});	46✔
185	}	46✔
186	}	46✔
187
188	// Process foreign keys from extraSymbol
189	if (extraSymbol) {	46✔
190	// @ts-ignore
191	const extraConfigBuilder = table[extraSymbol];	46✔
192	if (extraConfigBuilder && typeof extraConfigBuilder === "function") {	46✔
193	const configBuilderData = extraConfigBuilder(table);	21✔
194	if (configBuilderData) {	21✔
195	const configBuilders = Array.isArray(configBuilderData)	21✔
196	? configBuilderData	21!
197	: Object.values(configBuilderData).map(	×
198	(item) => (item as ConfigBuilderData).value ?? item,	×
199	);	×
200
201	configBuilders.forEach((builder) => {	21✔
202	if (!builder?.constructor) return;	21!
203
204	const builderName = builder.constructor.name.toLowerCase();	21✔
205	if (builderName.includes("foreignkeybuilder")) {	21!
206	foreignKeys.push(builder);	×
207	}	×
208	});	21✔
209	}	21✔
210	}	21✔
211	}	46✔
212
213	return foreignKeys;	46✔
214	}	46✔
215
216	/**
217	* Extracts table metadata from the schema.
218	* @param {AnyMySqlTable} table - The table schema
219	* @returns {MetadataInfo} Object containing table metadata
220	*/
221	export function getTableMetadata(table: AnyMySqlTable): MetadataInfo {	1✔
222	const symbols = Object.getOwnPropertySymbols(table);	46✔
223	const nameSymbol = symbols.find((s) => s.toString().includes("Name"));	46✔
224	const columnsSymbol = symbols.find((s) => s.toString().includes("Columns"));	46✔
225	const foreignKeysSymbol = symbols.find((s) => s.toString().includes("ForeignKeys)"));	46✔
226	const extraSymbol = symbols.find((s) => s.toString().includes("ExtraConfigBuilder"));	46✔
227
228	// Initialize builders arrays
229	const builders = {	46✔
230	indexes: [] as AnyIndexBuilder[],	46✔
231	checks: [] as CheckBuilder[],	46✔
232	foreignKeys: [] as ForeignKeyBuilder[],	46✔
233	primaryKeys: [] as PrimaryKeyBuilder[],	46✔
234	uniqueConstraints: [] as UniqueConstraintBuilder[],	46✔
235	extras: [] as any[],	46✔
236	};	46✔
237
238	// Process foreign keys
239	builders.foreignKeys = processForeignKeys(table, foreignKeysSymbol, extraSymbol);	46✔
240
241	// Process extra configuration if available
242	if (extraSymbol) {	46✔
243	// @ts-ignore
244	const extraConfigBuilder = table[extraSymbol];	46✔
245	if (extraConfigBuilder && typeof extraConfigBuilder === "function") {	46✔
246	const configBuilderData = extraConfigBuilder(table);	21✔
247	if (configBuilderData) {	21✔
248	// Convert configBuilderData to array if it's an object
249	const configBuilders = Array.isArray(configBuilderData)	21✔
250	? configBuilderData	21!
251	: Object.values(configBuilderData).map(	×
252	(item) => (item as ConfigBuilderData).value ?? item,	×
253	);	×
254
255	// Process each builder
256	configBuilders.forEach((builder) => {	21✔
257	if (!builder?.constructor) return;	21!
258
259	const builderName = builder.constructor.name.toLowerCase();	21✔
260
261	// Map builder types to their corresponding arrays
262	const builderMap = {	21✔
263	indexbuilder: builders.indexes,	21✔
264	checkbuilder: builders.checks,	21✔
265	primarykeybuilder: builders.primaryKeys,	21✔
266	uniqueconstraintbuilder: builders.uniqueConstraints,	21✔
267	};	21✔
268
269	// Add builder to appropriate array if it matches any type
270	for (const [type, array] of Object.entries(builderMap)) {	21✔
271	if (builderName.includes(type)) {	63✔
272	array.push(builder);	21✔
273	break;	21✔
274	}	21✔
275	}	63✔
276
277	// Always add to extras array
278	builders.extras.push(builder);	21✔
279	});	21✔
280	}	21✔
281	}	21✔
282	}	46✔
283
284	return {	46✔
285	tableName: nameSymbol ? (table as any)[nameSymbol] : "",	46!
286	columns: columnsSymbol ? ((table as any)[columnsSymbol] as Record<string, AnyColumn>) : {},	46!
287	...builders,	46✔
288	};	46✔
289	}	46✔
290
291	/**
292	* Generates SQL statements for dropping tables and/or their sequences.
293	*
294	* @param tables - List of table names to generate DROP statements for.
295	* @param options - Configuration object:
296	* - sequence: whether to drop associated sequences (default: true)
297	* - table: whether to drop tables themselves (default: true)
298	* @returns Array of SQL statements for dropping the specified objects
299	*/
300	export function generateDropTableStatements(	1✔
301	tables: string[],	4✔
302	options?: { sequence: boolean; table: boolean },	4✔
303	): string[] {	4✔
304	const dropStatements: string[] = [];	4✔
305	const validOptions = options ?? { sequence: true, table: true };	4✔
306	if (!validOptions.sequence && !validOptions.table) {	4!
307	console.warn('No drop operations requested: both "table" and "sequence" options are false');	×
308	return [];	×
309	}	×
310	tables.forEach((tableName) => {	4✔
311	if (validOptions.table) {	6✔
312	dropStatements.push(`DROP TABLE IF EXISTS \`${tableName}\`;`);	6✔
313	}	6✔
314	if (validOptions.sequence) {	6✔
315	dropStatements.push(`DROP SEQUENCE IF EXISTS \`${tableName}\`;`);	6✔
316	}	6✔
317	});	4✔
318
319	return dropStatements;	4✔
320	}	4✔
321
322	type AliasColumnMap = Record<string, AnyColumn>;
323
324	function mapSelectTableToAlias(	10✔
325	table: MySqlTable,	10✔
326	uniqPrefix: string,	10✔
327	aliasMap: AliasColumnMap,	10✔
328	): any {	10✔
329	const { columns, tableName } = getTableMetadata(table);	10✔
330	const selectionsTableFields: Record<string, unknown> = {};	10✔
331	Object.keys(columns).forEach((name) => {	10✔
332	const column = columns[name] as AnyColumn;	39✔
333	const uniqName = `a_${uniqPrefix}_${tableName}_${column.name}`.toLowerCase();	39✔
334	const fieldAlias = sql.raw(uniqName);	39✔
335	selectionsTableFields[name] = sql`${column} as \`${fieldAlias}\``;	39✔
336	aliasMap[uniqName] = column;	39✔
337	});	10✔
338	return selectionsTableFields;	10✔
339	}	10✔
340
341	function isDrizzleColumn(column: any): boolean {	79✔
342	return column && typeof column === "object" && "table" in column;	79✔
343	}	79✔
344
345	export function mapSelectAllFieldsToAlias(	1✔
346	selections: any,	89✔
347	name: string,	89✔
348	uniqName: string,	89✔
349	fields: any,	89✔
350	aliasMap: AliasColumnMap,	89✔
351	): any {	89✔
352	if (isTable(fields)) {	89✔
353	selections[name] = mapSelectTableToAlias(fields as MySqlTable, uniqName, aliasMap);	10✔
354	} else if (isDrizzleColumn(fields)) {	89✔
355	const column = fields as Column;	58✔
356	const uniqAliasName = `a_${uniqName}_${column.name}`.toLowerCase();	58✔
357	let aliasName = sql.raw(uniqAliasName);	58✔
358	selections[name] = sql`${column} as \`${aliasName}\``;	58✔
359	aliasMap[uniqAliasName] = column;	58✔
360	} else if (isSQLWrapper(fields)) {	79✔
361	selections[name] = fields;	10✔
362	} else {	21✔
363	const innerSelections: any = {};	11✔
364	Object.entries(fields).forEach(([iname, ifields]) => {	11✔
365	mapSelectAllFieldsToAlias(innerSelections, iname, `${uniqName}_${iname}`, ifields, aliasMap);	22✔
366	});	11✔
367	selections[name] = innerSelections;	11✔
368	}	11✔
369	return selections;	89✔
370	}	89✔
371	export function mapSelectFieldsWithAlias<TSelection extends SelectedFields>(	1✔
372	fields: TSelection,	29✔
373	): { selections: TSelection; aliasMap: AliasColumnMap } {	29✔
374	if (!fields) {	29!
375	throw new Error("fields is empty");	×
376	}	×
377	const aliasMap: AliasColumnMap = {};	29✔
378	const selections: any = {};	29✔
379	Object.entries(fields).forEach(([name, fields]) => {	29✔
380	mapSelectAllFieldsToAlias(selections, name, name, fields, aliasMap);	67✔
381	});	29✔
382	return { selections, aliasMap };	29✔
383	}	29✔
384
385	function getAliasFromDrizzleAlias(value: unknown): string \| undefined {	200✔
386	const isSQL =	200✔
387	value !== null && typeof value === "object" && isSQLWrapper(value) && "queryChunks" in value;	200✔
388	if (isSQL) {	200✔
389	const sql = value as SQL;	158✔
390	const queryChunks = sql.queryChunks;	158✔
391	if (queryChunks.length > 3) {	158✔
392	const aliasNameChunk = queryChunks[queryChunks.length - 2];	140✔
393	if (isSQLWrapper(aliasNameChunk) && "queryChunks" in aliasNameChunk) {	140✔
394	const aliasNameChunkSql = aliasNameChunk as SQL;	140✔
395	if (aliasNameChunkSql.queryChunks?.length === 1 && aliasNameChunkSql.queryChunks[0]) {	140✔
396	const queryChunksStringChunc = aliasNameChunkSql.queryChunks[0];	140✔
397	if ("value" in queryChunksStringChunc) {	140✔
398	const values = (queryChunksStringChunc as StringChunk).value;	140✔
399	if (values && values.length === 1) {	140✔
400	return values[0];	140✔
401	}	140✔
402	}	140✔
403	}	140✔
404	}	140✔
405	}	140✔
406	}	158✔
407	return undefined;	60✔
408	}	60✔
409
410	function transformValue(	140✔
411	value: unknown,	140✔
412	alias: string,	140✔
413	aliasMap: Record<string, AnyColumn>,	140✔
414	): unknown {	140✔
415	const column = aliasMap[alias];	140✔
416	if (!column) return value;	140!
417
418	let customColumn = column as MySqlCustomColumn<any>;	140✔
419	// @ts-ignore
420	const fromDriver = customColumn?.mapFrom;	140✔
421	if (fromDriver && value !== null && value !== undefined) {	140✔
422	return fromDriver(value);	26✔
423	}	26✔
424	return value;	114✔
425	}	114✔
426
427	function transformObject(	71✔
428	obj: Record<string, unknown>,	71✔
429	selections: Record<string, unknown>,	71✔
430	aliasMap: Record<string, AnyColumn>,	71✔
431	): Record<string, unknown> {	71✔
432	const result: Record<string, unknown> = {};	71✔
433
434	for (const [key, value] of Object.entries(obj)) {	71✔
435	const selection = selections[key];	200✔
436	const alias = getAliasFromDrizzleAlias(selection);	200✔
437	if (alias && aliasMap[alias]) {	200✔
438	result[key] = transformValue(value, alias, aliasMap);	140✔
439	} else if (selection && typeof selection === "object" && !isSQLWrapper(selection)) {	200✔
440	result[key] = transformObject(	42✔
441	value as Record<string, unknown>,	42✔
442	selection as Record<string, unknown>,	42✔
443	aliasMap,	42✔
444	);	42✔
445	} else {	60✔
446	result[key] = value;	18✔
447	}	18✔
448	}	200✔
449
450	return result;	71✔
451	}	71✔
452
453	export function applyFromDriverTransform<T, TSelection>(	1✔
454	rows: T[],	21✔
455	selections: TSelection,	21✔
456	aliasMap: Record<string, AnyColumn>,	21✔
457	): T[] {	21✔
458	return rows.map((row) => {	21✔
459	const transformed = transformObject(	29✔
460	row as Record<string, unknown>,	29✔
461	selections as Record<string, unknown>,	29✔
462	aliasMap,	29✔
463	) as Record<string, unknown>;	29✔
464
465	return processNullBranches(transformed) as unknown as T;	29✔
466	});	21✔
467	}	21✔
468
469	function processNullBranches(obj: Record<string, unknown>): Record<string, unknown> \| null {	79✔
470	if (obj === null \|\| typeof obj !== "object") {	79!
471	return obj;	×
472	}	×
473
474	// Skip built-in objects like Date, Array, etc.
475	if (obj.constructor && obj.constructor.name !== "Object") {	79✔
476	return obj;	8✔
477	}	8✔
478
479	const result: Record<string, unknown> = {};	71✔
480	let allNull = true;	71✔
481
482	for (const [key, value] of Object.entries(obj)) {	79✔
483	if (value === null \|\| value === undefined) {	200✔
484	result[key] = null;	5✔
485	continue;	5✔
486	}	5✔
487
488	if (typeof value === "object") {	200✔
489	const processed = processNullBranches(value as Record<string, unknown>);	50✔
490	result[key] = processed;	50✔
491	if (processed !== null) {	50✔
492	allNull = false;	49✔
493	}	49✔
494	} else {	196✔
495	result[key] = value;	145✔
496	allNull = false;	145✔
497	}	145✔
498	}	200✔
499
500	return allNull ? null : result;	79✔
501	}	79✔
502
503	export function formatLimitOffset(limitOrOffset: number): number {	1✔
504	if (typeof limitOrOffset !== "number" \|\| isNaN(limitOrOffset)) {	5✔
505	throw new Error("limitOrOffset must be a valid number");	2✔
506	}	2✔
507	return sql.raw(`${limitOrOffset}`) as unknown as number;	3✔
508	}	3✔
509
510	export function nextVal(sequenceName: string): number {	1✔
511	return sql.raw(`NEXTVAL(${sequenceName})`) as unknown as number;	3✔
512	}	3✔

vzakharchenko / forge-sql-orm / 17729828783

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