读出 _SQLite_Query() 查询的列名
#include <SQLite.au3>
_SQLite_FetchNames ( $hQuery, ByRef $aNames )
$hQuery | SQLite_Query() 产生的查询句柄 |
$aNames | 包含列名的一维数组 |
成功: | 返回 $SQLITE_OK |
失败: | 返回值可能违反 $SQLITE_* 常量@错误: |
-1 - SQLite 报告错误 (检查返回值) | |
1 - 错误调用 SQLite API 'sqlite3_data_count' | |
2 - 错误调用 SQLite API 'sqlite3_column_name16' | |
3 - 调用被安全模式阻止 |
#include <SQLite.au3>
#include <SQLite.dll.au3>
Local $hQuery, $aRow, $aNames
_SQLite_Startup()
ConsoleWrite("_SQLite_LibVersion=" & _SQLite_LibVersion() & @CRLF)
_SQLite_Open() ; open :memory: Database
_SQLite_Exec(-1, "CREATE TABLE aTest (A,B,C);")
_SQLite_Exec(-1, "INSERT INTO aTest(a,b,c) VALUES ('c','2','World');")
_SQLite_Exec(-1, "INSERT INTO aTest(a,b,c) VALUES ('b','3',' ');")
_SQLite_Exec(-1, "INSERT INTO aTest(a,b,c) VALUES ('a','1','Hello');")
_SQLite_Query(-1, "SELECT ROWID,* FROM aTest ORDER BY a;", $hQuery)
_SQLite_FetchNames($hQuery, $aNames) ; Read out Column Names
ConsoleWrite(StringFormat(" %-10s %-10s %-10s %-10s ", $aNames[0], $aNames[1], $aNames[2], $aNames[3]) & @CRLF)
While _SQLite_FetchData($hQuery, $aRow) = $SQLITE_OK
ConsoleWrite(StringFormat(" %-10s %-10s %-10s %-10s ", $aRow[0], $aRow[1], $aRow[2], $aRow[3]) & @CRLF)
WEnd
_SQLite_Exec(-1, "DROP TABLE aTest;")
_SQLite_Close()
_SQLite_Shutdown()
;~ Output:
;~
;~ rowid A B C
;~ 3 a 1 Hello
;~ 2 b 3
;~ 1 c 2 World