SPI_fnumber(3) - phpMan

SPI_FNUMBER(3)                   PostgreSQL 9.2.24 Documentation                   SPI_FNUMBER(3)



NAME
       SPI_fnumber - determine the column number for the specified column name

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.



PostgreSQL 9.2.24                           2017-11-06                             SPI_FNUMBER(3)

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