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Man Pages


Manual Reference Pages  -  SPI_FNUMBER (3)

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NAME

SPI_fnumber - determine the column number for the specified column name

CONTENTS

SYNOPSIS

int SPI_fnumber(TupleDesc rowdesc, const char * colname)

DESCRIPTION

SPI_fnumber returns the column number for the column with the specified name.

If colname refers to a system column (e.g., oid) then the appropriate negative column number will be returned. The caller should be careful to test the return value for exact equality to SPI_ERROR_NOATTRIBUTE to detect an error; testing the result for less than or equal to 0 is not correct unless system columns should be rejected.

ARGUMENTS

TupleDesc rowdesc

input row description

const char * colname

column name

RETURN VALUE

Column number (count starts at 1), or SPI_ERROR_NOATTRIBUTE if the named column was not found.

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PostgreSQL 9.5.2 SPI_FNUMBER (3) 2016

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