Unsupported versions: 6.3
Historical version. PostgreSQL 6.3 has reached end of support. See the current manual.
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SPI_modifytuple
Name
SPI_modifytuple — Modifies tuple of relationSPI_modifytuple(rel, tuple , nattrs , attnum , Values , Nulls)
Inputs
- Relation rel
- HeapTuple tuple
Input tuple to be modified
- int nattrs
Number of attribute numbers in attnum
- int * attnum
Array of numbers of the attributes which are to be changed
- Datum * Values
New values for the attributes specified
- char * Nulls
Which attributes are NULL, if any
Outputs
- HeapTuple
New tuple with modifications
non-NULL if tuple is not NULL and the modify was successful NULL only if tuple is NULL - SPI_result
SPI_ERROR_ARGUMENT if rel is NULL or tuple is NULL or natts ≤ 0 or attnum is NULL or Values is NULL. SPI_ERROR_NOATTRIBUTE if there is an invalid attribute number in attnum (attnum ≤ 0 or > number of attributes in tuple)
Description
SPI_modifytuple Modifies a tuple in upper Executor context. See the section on Memory Management.
Usage
If successful, a pointer to the new tuple is returned. The new tuple is allocated in upper Executor context (see Memory management). Passed tuple is not changed.
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