docs: remove deparse docs, update full/ README for PG 18

Author: pyramation

README.md

@@ -102,7 +102,7 @@ npm install @pgsql/enums
 - **Just need to parse SQL?** → Use `libpg-query` (lightweight, all PG versions)
 - **Need multiple versions at runtime?** → Use `@pgsql/parser` (dynamic version selection)
 - **Need TypeScript types?** → Add `@pgsql/types` and/or `@pgsql/enums`
-- **Need fingerprint, normalize, or deparse?** → Use `@libpg-query/parser` (PG 17 only)
+- **Need fingerprint, normalize, scan, or PL/pgSQL parsing?** → Use `@libpg-query/parser` (PG 18)
 
 
 ## API Documentation

full/README.md

@@ -95,30 +95,6 @@ import { parsePlPgSQLSync } from '@libpg-query/parser';
 const result = parsePlPgSQLSync(functionSql);
 ```
 
-### `deparse(parseTree: ParseResult): Promise<string>`
-
-Converts a parse tree back to SQL string. Returns a Promise for the SQL string.
-
-```typescript
-import { parse, deparse } from '@libpg-query/parser';
-
-const parseTree = await parse('SELECT * FROM users WHERE active = true');
-const sql = await deparse(parseTree);
-// Returns: string - reconstructed SQL query
-```
-
-### `deparseSync(parseTree: ParseResult): string`
-
-Synchronous version that converts a parse tree back to SQL string directly.
-
-```typescript
-import { parseSync, deparseSync } from '@libpg-query/parser';
-
-const parseTree = parseSync('SELECT * FROM users WHERE active = true');
-const sql = deparseSync(parseTree);
-// Returns: string - reconstructed SQL query
-```
-
 ### `fingerprint(sql: string): Promise<string>`
 
 Generates a unique fingerprint for a SQL query that can be used for query identification and caching. Returns a Promise for a 16-character fingerprint string.
@@ -195,11 +171,10 @@ The library provides both async and sync methods. Async methods handle initializ
 Async methods handle initialization automatically and are always safe to use:
 
 ```typescript
-import { parse, deparse, scan } from '@libpg-query/parser';
+import { parse, scan } from '@libpg-query/parser';
 
 // These handle initialization automatically
 const result = await parse('SELECT * FROM users');
-const sql = await deparse(result);
 const tokens = await scan('SELECT * FROM users');
 ```
 
@@ -325,19 +300,7 @@ pnpm run test
 
 ## Versions
 
-Our latest is built with `17-latest` branch from libpg_query
-
-
-| PG Major Version | libpg_query | Branch                                                                                         | npm 
-|--------------------------|-------------|------------------------------------------------------------------------------------------------|---------|
-| 17                       | 17-latest   | [`17-latest`](https://github.com/constructive-io/libpg-query-node/tree/17-latest)                       | [`libpg-query@17.2.0`](https://www.npmjs.com/package/libpg-query/v/latest)
-| 16                       | 16-latest   | [`16-latest`](https://github.com/constructive-io/libpg-query-node/tree/16-latest)                       | [`libpg-query@16.2.0`](https://www.npmjs.com/package/libpg-query/v/16.2.0)
-| 15                       | 15-latest   | [`15-latest`](https://github.com/constructive-io/libpg-query-node/tree/15-latest)                       | [`libpg-query@15.1.0`](https://www.npmjs.com/package/libpg-query/v/15.1.0)
-| 14                       | 14-latest   | [`14-latest`](https://github.com/constructive-io/libpg-query-node/tree/14-latest)                       | [`libpg-query@14.0.0`](https://www.npmjs.com/package/libpg-query/v/14.0.0)
-| 13                       | 13-latest   | [`13-latest`](https://github.com/constructive-io/libpg-query-node/tree/13-latest)                       | [`libpg-query@13.3.1`](https://www.npmjs.com/package/libpg-query/v/13.3.1)
-| 12                       | (n/a)       |                                                                                                |
-| 11                       | (n/a)       |                                                                                                |
-| 10                       | 10-latest   |                        | `@1.3.1` ([tree](https://github.com/constructive-io/pgsql-parser/tree/39b7b1adc8914253226e286a48105785219a81ca))      |
+Built with the `18-latest` branch from libpg_query (tag `18.0.0`), based on PostgreSQL 18.
 
 
 ## Troubleshooting