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SPI_getvalue

Name

SPI_getvalue -- return the string value of the specified column

Synopsis

char * SPI_getvalue(HeapTuplerow, TupleDescrowdesc, intcolnumber)

Description

SPI_getvalue returns the string representation of the value of the specified column.

The result is returned in memory allocated usingpalloc. (You can usepfree to release the memory when you don't need it anymore.)

Arguments

HeapTuplerow

input row to be examined

TupleDescrowdesc

input row description

intcolnumber

column number (count starts at 1)

Return Value

Column value, orNULL if the column is null,colnumber is out of range (SPI_result is set toSPI_ERROR_NOATTRIBUTE), or no output function is available (SPI_result is set toSPI_ERROR_NOOUTFUNC).


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