Unsupported versions: 6.3
Historical version. PostgreSQL 6.3 has reached end of support. See the current manual.
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SPI_getvalue
Name
SPI_getvalue — Returns the string value of the specified attributeSPI_getvalue(tuple, tupdesc, fnumber)
Inputs
- HeapTuple tuple
Input tuple to be examined
- TupleDesc tupdesc
Input tuple description
- int fnumber
Attribute number
Outputs
- char *
Attribute value or NULL if
attribute is NULL fnumber is out of range (SPI_result set to SPI_ERROR_NOATTRIBUTE) no output function available (SPI_result set to SPI_ERROR_NOOUTFUNC)
Description
SPI_getvalue returns an external (string) representation of the value of the specified attribute.
Usage
Attribute numbers are 1 based.
Algorithm
Allocates memory as required by the value.
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