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이 문서에서는 PHP 중국어 웹사이트 매뉴얼 풀어 주다
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 following two tables lists all constants defined by the paradox extension.
Name | Meaning |
---|---|
PX_FIELD_ALPHA | Character data with fixed length |
PX_FIELD_DATE | Date, number of days since 1.1.0000 |
PX_FIELD_SHORT | Short integer (2 Bytes) |
PX_FIELD_LONG | Long integer (4 Bytes) |
PX_FIELD_CURRENCY | same as PX_FIELD_NUMBER |
PX_FIELD_NUMBER | Double |
PX_FIELD_LOGICAL | Boolean |
PX_FIELD_MEMOBLOB | Binary large object |
PX_FIELD_BLOB | Binary large object (not supported) |
PX_FIELD_FMTMEMOBLOB | Binary large object |
PX_FIELD_OLE | OLE object (basically a blob, not supported) |
PX_FIELD_GRAPHIC | Graphic (basically a blob, not supported) |
PX_FIELD_TIME | time, number of milli seconds since midnight |
PX_FIELD_TIMESTAMP | timestamp, number of milli seconds since 1.1.0000 |
PX_FIELD_AUTOINC | Auto incrementing interger (like PX_FIELD_LONG) |
PX_FIELD_BCD | Decimal number stored in bcd format (not supported) |
PX_FIELD_BYTES | Array of Bytes with not more than 255 bytes (not supported) |
PX_KEYTOLOWER | Turn all field names into lower case |
PX_KEYTOUPPER | Turn all field names into upper case |
Name | Meaning |
---|---|
PX_FILE_INDEX_DB | Indexed database |
PX_FILE_PRIM_INDEX | Primary index |
PX_FILE_NON_INDEX_DB | None indexed database |
PX_FILE_NON_INC_SEC_INDEX | None incremental secondary index |
PX_FILE_SEC_INDEX | Secondary index |
PX_FILE_INC_SEC_INDEX | Incremental secondary index |
PX_FILE_NON_INC_SEC_INDEX_G | Non incremental secondary index |
PX_FILE_SEC_INDEX_G | Secondary index |
PX_FILE_INC_SEC_INDEX_G | Non incremental secondary index |