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SPI_getvalue
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SPI_getvalue

SPI_getvalue — return the string value of the specified column

Synopsis

char * SPI_getvalue(HeapTuple row, TupleDesc rowdesc, int colnumber)

Description

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

The result is returned in memory allocated using palloc. (You can use pfree to release the memory when you don’t need it anymore.)

Arguments

+HeapTuple +`+row+`: input row to be examined
+TupleDesc +`+rowdesc+`: input row description
+int +`+colnumber+`: column number (count starts at 1)

Return Value

Column value, or NULL if the column is null, `colnumber is out of range (SPI_result` is set to SPI_ERROR_NOATTRIBUTE), or no output function is available (SPI_result is set to SPI_ERROR_NOOUTFUNC).

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