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SPI_gettype.3
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'\" t .\" Title: SPI_gettype .\" Author: The PostgreSQL Global Development Group .\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/> .\" Date: 2017-11-06 .\" Manual: PostgreSQL 9.2.24 Documentation .\" Source: PostgreSQL 9.2.24 .\" Language: English .\" .TH "SPI_GETTYPE" "3" "2017-11-06" "PostgreSQL 9.2.24" "PostgreSQL 9.2.24 Documentation" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" SPI_gettype \- return the data type name of the specified column .\" SPI_gettype .SH "SYNOPSIS" .sp .nf char * SPI_gettype(TupleDesc \fIrowdesc\fR, int \fIcolnumber\fR) .fi .SH "DESCRIPTION" .PP \fBSPI_gettype\fR returns a copy of the data type name of the specified column\&. (You can use \fBpfree\fR to release the copy of the name when you don\*(Aqt need it anymore\&.) .SH "ARGUMENTS" .PP TupleDesc \fIrowdesc\fR .RS 4 input row description .RE .PP int \fIcolnumber\fR .RS 4 column number (count starts at 1) .RE .SH "RETURN VALUE" .PP The data type name of the specified column, or NULL on error\&. \fISPI_result\fR is set to SPI_ERROR_NOATTRIBUTE on error\&.