php教程

预定义常量

下列常量由此扩展定义,且仅在此扩展编译入 PHP 或在运行时动态载入时可用。

The functions sqlite_fetch_array() and sqlite_current() use a constant for the different types of result arrays. The following constants are defined:

SQLite result type constants
SQLITE_ASSOC (int)
Columns are returned into the array having the field name as the array index.
SQLITE_BOTH (int)
Columns are returned into the array having both a numerical index and the field name as the array index.
SQLITE_NUM (int)
Columns are returned into the array having a numerical index to the fields. This index starts with 0, the first field in the result.

A number of functions may return status codes. The following constants are defined:

SQLite status code constants
SQLITE_OK (int)
Successful result.
SQLITE_ERROR (int)
SQL error or missing database.
SQLITE_INTERNAL (int)
An internal logic error in SQLite.
SQLITE_PERM (int)
Access permission denied.
SQLITE_ABORT (int)
Callback routine requested an abort.
SQLITE_BUSY (int)
The database file is locked.
SQLITE_LOCKED (int)
A table in the database is locked.
SQLITE_NOMEM (int)
Memory allocation failed.
SQLITE_READONLY (int)
Attempt to write a readonly database.
SQLITE_INTERRUPT (int)
Operation terminated internally.
SQLITE_IOERR (int)
Disk I/O error occurred.
SQLITE_NOTADB (int)
File opened that is not a database file.
SQLITE_CORRUPT (int)
The database disk image is malformed.
SQLITE_FORMAT (int)
Auxiliary database format error.
SQLITE_NOTFOUND (int)
(Internal) Table or record not found.
SQLITE_FULL (int)
Insertion failed because database is full.
SQLITE_CANTOPEN (int)
Unable to open the database file.
SQLITE_PROTOCOL (int)
Database lock protocol error.
SQLITE_EMPTY (int)
(Internal) Database table is empty.
SQLITE_SCHEMA (int)
The database schema changed.
SQLITE_TOOBIG (int)
Too much data for one row of a table.
SQLITE_CONSTRAINT (int)
Abort due to constraint violation.
SQLITE_MISMATCH (int)
Data type mismatch.
SQLITE_MISUSE (int)
Library used incorrectly.
SQLITE_NOLFS (int)
Uses of OS features not supported on host.
SQLITE_AUTH (int)
Authorized failed.
SQLITE_ROW (int)
Internal process has another row ready.
SQLITE_DONE (int)
Internal process has finished executing.

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