# Class: SqlIdentifierRenamer

Defined in: packages/core/src/transformers/SqlIdentifierRenamer.ts:39

Handles safe renaming of SQL identifiers within plain SQL strings.

Example

const renamer = new SqlIdentifierRenamer();
const sql = 'SELECT u.id FROM users u';
const result = renamer.renameIdentifier(sql, 'u', 'users_alias');

Related tests: packages/core/tests/transformers/SqlIdentifierRenamer.test.ts

Constructors

Constructor

new SqlIdentifierRenamer(): SqlIdentifierRenamer

Returns

SqlIdentifierRenamer

Methods

renameIdentifiers()

renameIdentifiers(sql, renames): string

Defined in: packages/core/src/transformers/SqlIdentifierRenamer.ts:47

Safely renames identifiers in SQL string while preserving context

Parameters

sql

string

SQL string to modify

renames

Map<string, string&gt;

Map of original identifiers to new identifiers

Returns

string

Modified SQL string with renamed identifiers

---

renameIdentifier()

renameIdentifier(sql, oldIdentifier, newIdentifier): string

Defined in: packages/core/src/transformers/SqlIdentifierRenamer.ts:69

Renames a single identifier in SQL string

Parameters

sql

string

SQL string to modify

oldIdentifier

string

Original identifier to replace

newIdentifier

string

New identifier to replace with

Returns

string

Modified SQL string

---

renameIdentifierInScope()

renameIdentifierInScope(sql, oldIdentifier, newIdentifier, scopeRange?): string

Defined in: packages/core/src/transformers/SqlIdentifierRenamer.ts:81

Renames a single identifier within a specified scope range

Parameters

sql

string

SQL string to modify

oldIdentifier

string

Original identifier to replace

newIdentifier

string

New identifier to replace with

scopeRange?

ScopeRange

Optional scope range to limit replacement

Returns

string

Modified SQL string

---

checkRenameability()

checkRenameability(sql, position): Renameability

Defined in: packages/core/src/transformers/SqlIdentifierRenamer.ts:105

Checks if an identifier at the given position can be renamed

Parameters

sql

string

SQL string

position

Position

Position in the SQL text

Returns

Renameability

Renameability result

---

renameAtPosition()

renameAtPosition(sql, position, newName): string

Defined in: packages/core/src/transformers/SqlIdentifierRenamer.ts:148

Renames identifier at the specified position

Parameters

sql

string

SQL string

position

Position

Position in the SQL text

newName

string

New identifier name

Returns

string

Modified SQL string

---

validateRename()

validateRename(originalSql, modifiedSql, oldIdentifier, newIdentifier): boolean

Defined in: packages/core/src/transformers/SqlIdentifierRenamer.ts:382

Validates that the rename operation was successful

Parameters

originalSql

string

Original SQL string

modifiedSql

string

Modified SQL string after rename

oldIdentifier

string

Old identifier that was replaced

newIdentifier

string

New identifier that was added

Returns

boolean

True if rename appears successful