Fix missing docs

src/config.rs

@@ -6,33 +6,55 @@ use crate::ffi;
 use crate::{Connection, Result};
 
 /// Database Connection Configuration Options
+/// See [Database Connection Configuration Options](https://sqlite.org/c3ref/c_dbconfig_enable_fkey.html) for details.
 #[repr(i32)]
 #[allow(non_snake_case, non_camel_case_types)]
 #[non_exhaustive]
 pub enum DbConfig {
     //SQLITE_DBCONFIG_MAINDBNAME = 1000, /* const char* */
     //SQLITE_DBCONFIG_LOOKASIDE = 1001,  /* void* int int */
+    /// Enable or disable the enforcement of foreign key constraints.
     SQLITE_DBCONFIG_ENABLE_FKEY = 1002,
+    /// Enable or disable triggers.
     SQLITE_DBCONFIG_ENABLE_TRIGGER = 1003,
+    /// Enable or disable the fts3_tokenizer() function which is part of the
+    /// FTS3 full-text search engine extension.
     SQLITE_DBCONFIG_ENABLE_FTS3_TOKENIZER = 1004, // 3.12.0
     //SQLITE_DBCONFIG_ENABLE_LOAD_EXTENSION = 1005,
+    /// In WAL mode, enable or disable the checkpoint operation before closing
+    /// the connection.
     SQLITE_DBCONFIG_NO_CKPT_ON_CLOSE = 1006, // 3.16.2
-    SQLITE_DBCONFIG_ENABLE_QPSG = 1007,      // 3.20.0
-    SQLITE_DBCONFIG_TRIGGER_EQP = 1008,      // 3.22.0
+    /// Activates or deactivates the query planner stability guarantee (QPSG).
+    SQLITE_DBCONFIG_ENABLE_QPSG = 1007, // 3.20.0
+    /// Includes or excludes output for any operations performed by trigger
+    /// programs from the output of EXPLAIN QUERY PLAN commands.
+    SQLITE_DBCONFIG_TRIGGER_EQP = 1008, // 3.22.0
     //SQLITE_DBCONFIG_RESET_DATABASE = 1009,
+    /// Activates or deactivates the "defensive" flag for a database connection.
     SQLITE_DBCONFIG_DEFENSIVE = 1010, // 3.26.0
+    /// Activates or deactivates the "writable_schema" flag.
     #[cfg(feature = "modern_sqlite")]
     SQLITE_DBCONFIG_WRITABLE_SCHEMA = 1011, // 3.28.0
+    /// Activates or deactivates the legacy behavior of the ALTER TABLE RENAME
+    /// command.
     #[cfg(feature = "modern_sqlite")]
     SQLITE_DBCONFIG_LEGACY_ALTER_TABLE = 1012, // 3.29
+    /// Activates or deactivates the legacy double-quoted string literal
+    /// misfeature for DML statements only.
     #[cfg(feature = "modern_sqlite")]
     SQLITE_DBCONFIG_DQS_DML = 1013, // 3.29.0
+    /// Activates or deactivates the legacy double-quoted string literal
+    /// misfeature for DDL statements.
     #[cfg(feature = "modern_sqlite")]
     SQLITE_DBCONFIG_DQS_DDL = 1014, // 3.29.0
+    /// Enable or disable views.
     #[cfg(feature = "modern_sqlite")]
     SQLITE_DBCONFIG_ENABLE_VIEW = 1015, // 3.30.0
+    /// Activates or deactivates the legacy file format flag.
     #[cfg(feature = "modern_sqlite")]
     SQLITE_DBCONFIG_LEGACY_FILE_FORMAT = 1016, // 3.31.0
+    /// Tells SQLite to assume that database schemas (the contents of the
+    /// sqlite_master tables) are untainted by malicious content.
     #[cfg(feature = "modern_sqlite")]
     SQLITE_DBCONFIG_TRUSTED_SCHEMA = 1017, // 3.31.0
 }