kgg-dec/src/infra/sqlite_fn.h
2024-10-17 09:50:14 +09:00

72 lines
2.4 KiB
C

#pragma once
#include "sqlite_base.h"
/**
* @brief Opens a SQLite database file with extended options.
*
* @param filename The name of the database file to be opened (UTF-8 encoded).
* @param ppDb A pointer to a pointer that will receive the SQLite database
* handle upon successful opening.
* @param flags Flags that control the behavior of the database connection.
* @param zVfs The name of the VFS (Virtual File System) module to use.
* If NULL, the default VFS is used.
* @return Returns SQLITE_OK on success or an error code on failure.
*/
typedef int (*sqlite3_open_v2_t)(const char* filename, sqlite3** ppDb, int flags, const char* zVfs);
/**
* @brief Compiles an SQL statement into a prepared statement.
*
* @param db Database handle.
* @param zSql SQL statement, UTF-8 encoded.
* @param n Maximum length of zSql in bytes.
* @param ppStmt OUT: Statement handle.
* @param pzTail OUT: Pointer to unused portion of zSql.
* @return Returns SQLITE_OK on success or an error code on failure.
*/
typedef int (*sqlite3_prepare_v2_t)(sqlite3* db, const char* zSql, int n, sqlite3_stmt** ppStmt, const char** pzTail);
/**
* @brief Evaluates a prepared statement.
*
* @param stmt Prepared statement.
* @return Returns SQLITE_ROW, SQLITE_DONE, or an error code.
*/
typedef int (*sqlite3_step_t)(sqlite3_stmt* stmt);
/**
* @brief Returns the text value of a column in the current row of a result set.
*
* @param stmt Prepared statement.
* @param iCol Column index.
* @return Text value of the column.
*/
typedef const unsigned char* (*sqlite3_column_text_t)(sqlite3_stmt* stmt, int iCol);
/**
* @brief Destroys a prepared statement object.
*
* @param stmt Prepared statement.
* @return Returns SQLITE_OK on success or an error code on failure.
*/
typedef int (*sqlite3_finalize_t)(sqlite3_stmt* stmt);
/**
* @brief Closes a database connection and invalidates all prepared statements.
*
* @param db Database handle.
* @return Returns SQLITE_OK on success or an error code on failure.
*/
typedef int (*sqlite3_close_v2_t)(sqlite3* db);
/**
* @brief Sets the encryption key for a database.
*
* @param db Database to be keyed.
* @param pKey The key.
* @param nKey The length of the key in bytes.
* @return Returns SQLITE_OK on success or an error code on failure.
*/
typedef int (*sqlite3_key_t)(sqlite3* db, const void* pKey, int nKey);