db_get_field_float
warning
This function starts with lowercase letter.
คำอธิบาย
Get the content of a field as a float from db_query
| Name | Description |
|---|---|
| DBResult:dbresult | The result to get the data from. |
| field=0 | The field to get the data from. |
ส่งคืน
Retrieved value as floating point number.
บันทึก
warning
Using an invalid handle will crash your server! Get a valid handle by using db_query. But it's protected against NULL references.
ฟังก์ชั่นที่เกี่ยวข้องกัน
- db_open: Open a connection to an SQLite database
- db_close: Close the connection to an SQLite database
- db_query: Query an SQLite database
- db_free_result: Free result memory from a db_query
- db_num_rows: Get the number of rows in a result
- db_next_row: Move to the next row
- db_num_fields: Get the number of fields in a result
- db_field_name: Returns the name of a field at a particular index
- db_get_field: Get content of field with specified ID from current result row
- db_get_field_assoc: Get content of field with specified name from current result row
- db_get_field_int: Get content of field as an integer with specified ID from current result row
- db_get_field_assoc_int: Get content of field as an integer with specified name from current result row
- db_get_field_float: Get content of field as a float with specified ID from current result row
- db_get_field_assoc_float: Get content of field as a float with specified name from current result row
- db_get_mem_handle: Get memory handle for an SQLite database that was opened with db_open.
- db_get_result_mem_handle: Get memory handle for an SQLite query that was executed with db_query.
- db_debug_openfiles
- db_debug_openresults