Grass-valley K2 TX/MAM Database Protocol Manual v.2.2 Manual de usuario Pagina 4

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TX/MAM Database Protocol Manual - document version: 2.2 Page 4
4. Defines
The following defines are used within the library:
Name
Value
Description
Maximum values
MAX_IDS
1024
The maximum number of rows that
can be retrieved from the database in
one call.
SMALL_BLOB
1024
The size for a small text blob
database field.
Logical Search operators
LOP_AND
AND
This criterion will use the
'AND' operator with the next
criterion.
LOP_OR
OR
This criterion will use the 'OR'
operator with the next
criterion.
Criterion types
COP_GET_ALL
GET_ALL
Get all records from a table.
COP_EQUALS
EQUALS
Get all records where the
provided value equals the field
value.
COP_CONTAINING
CONTAINING
Get all records where the
provided value is part of the
field value. Can only be used
with string or text blob fields.
COP_GREATER_THAN
GREATER_THAN”
Get all records where the field
value is greater than the
provided value; usually
applied for integer or int64
fields.
COP_SMALLER_THAN
SMALLER_THAN
Get all records where the field
value is smaller than the
provided value; usually
applied for integer or int64
fields.
COP_GREATER_THAN_OR
_EQUALS
GREATER_THAN_OR_EQ
UALS
Get all records where the field
value is greater than or equals
the provided value; usually
applied for integer or int64
fields.
COP_SMALLER_THAN_OR
_EQUALS
SMALLER_THAN_OR_EQU
ALS
Get all records where the field
value is smaller than or equals
the provided value; usually
applied for integer or int64
fields.
COP_ORDER_BY
ORDER_BY
Order the results by the
indicated field.
CRIT_ORDER_ASCENDING
ASCENDING
Use the ascending sort order.
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