T_QueryOptionTimeSeriesDB_Query
This structure is used to read data from a time series database. The query is passed as a string and can then be passed to the FB_NoSQLQueryBuilder_TimeSeriesDB.
Syntax
Definition:
TYPE T_QueryOptionDocumentDB_Find
STRUCT
pQuery: POINTER TO BYTE;
cbQuery: UDINT;
END_STRUCT
END_TYPE
Parameter
Name | Type | Description |
|---|---|---|
pQuery | POINTER TO BYTE | Specifies the pointer to the query (string) |
cbQuery | UDINT | Specifies the length of the query pointer |
Requirements
Development environment | Target platform | PLC libraries to include |
|---|---|---|
TwinCAT v3.1 Build 4022.20 | PC or CX (x86) | Tc3_Database |