Add --hide-internal-tables flag to hide __pgsqlite_* tables from client sqlite_master queries (#80)

Cargo.toml

@@ -21,7 +21,7 @@ postgres-protocol = "0.6.8"
 rusqlite = { version = "0.36.0", features = ["bundled", "uuid", "serde_json", "functions", "collation", "vtab", "column_decltype"] }
 
 # SQL parsing
-sqlparser = { version = "0.57.0", features = ["serde"] }
+sqlparser = { version = "0.57.0", features = ["serde", "visitor"] }
 
 # Types
 uuid = { version = "1.11.0", features = ["v4", "serde"] }

README.md

@@ -135,9 +135,10 @@ const client = new Client({
 ```bash
 # Basic options
 pgsqlite \
-  --database <path>     # SQLite database file (default: sqlite.db)
-  --port <port>         # PostgreSQL port (default: 5432)
-  --in-memory           # Use in-memory database
+  --database <path>      # SQLite database file (default: sqlite.db)
+  --port <port>          # PostgreSQL port (default: 5432)
+  --in-memory            # Use in-memory database
+  --hide-internal-tables # Hide pgsqlite's __pgsqlite_* tables from sqlite_master listings
 
 # Security
 pgsqlite \

docs/configuration.md

@@ -22,6 +22,7 @@ pgsqlite can be configured through:
 | In-Memory | `--in-memory` | `PGSQLITE_IN_MEMORY` | `false` | Use in-memory SQLite database |
 | Socket Directory | `--socket-dir` | `PGSQLITE_SOCKET_DIR` | `/tmp` | Directory for Unix domain socket |
 | No TCP | `--no-tcp` | `PGSQLITE_NO_TCP` | `false` | Disable TCP listener, use only Unix socket |
+| Hide Internal Tables | `--hide-internal-tables` | `PGSQLITE_HIDE_INTERNAL_TABLES` | `false` | Hide pgsqlite's internal `__pgsqlite_*` tables and their indexes from client `sqlite_master` / `sqlite_schema` queries. The tables remain queryable when named explicitly. Does not affect the materialized `pg_*` / `information_schema_*` relations or `PRAGMA table_list`. |
 
 ### SSL/TLS Configuration