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📄 SPI_connect.3(2.18 KB)
📄 SPI_copytuple.3(1.76 KB)
📄 SPI_cursor_close.3(1.71 KB)
📄 SPI_cursor_fetch.3(2.05 KB)
📄 SPI_cursor_find.3(1.71 KB)
📄 SPI_cursor_move.3(1.92 KB)
📄 SPI_cursor_open.3(3.49 KB)
📄 SPI_cursor_open_with_args.3(3.77 KB)
📄 SPI_cursor_open_with_paramlist.3(2.78 KB)
📄 SPI_exec.3(1.72 KB)
📄 SPI_execp.3(2.65 KB)
📄 SPI_execute.3(7.86 KB)
📄 SPI_execute_plan.3(3.14 KB)
📄 SPI_execute_plan_with_paramlist.3(2.63 KB)
📄 SPI_execute_with_args.3(3.87 KB)
📄 SPI_finish.3(2.05 KB)
📄 SPI_fname.3(1.86 KB)
📄 SPI_fnumber.3(2.1 KB)
📄 SPI_freeplan.3(1.7 KB)
📄 SPI_freetuple.3(1.68 KB)
📄 SPI_freetuptable.3(2.37 KB)
📄 SPI_getargcount.3(1.83 KB)
📄 SPI_getargtypeid.3(2.09 KB)
📄 SPI_getbinval.3(2.24 KB)
📄 SPI_getnspname.3(1.78 KB)
📄 SPI_getrelname.3(1.68 KB)
📄 SPI_gettype.3(1.87 KB)
📄 SPI_gettypeid.3(1.79 KB)
📄 SPI_getvalue.3(2.11 KB)
📄 SPI_is_cursor_plan.3(2.33 KB)
📄 SPI_keepplan.3(2.02 KB)
📄 SPI_modifytuple.3(3.35 KB)
📄 SPI_palloc.3(1.6 KB)
📄 SPI_pfree.3(1.68 KB)
📄 SPI_pop.3(1.45 KB)
📄 SPI_prepare.3(5.21 KB)
📄 SPI_prepare_cursor.3(2.53 KB)
📄 SPI_prepare_params.3(2.34 KB)
📄 SPI_push.3(2.2 KB)
📄 SPI_repalloc.3(1.91 KB)
📄 SPI_returntuple.3(2.12 KB)
📄 SPI_saveplan.3(2.41 KB)
📄 SPI_scroll_cursor_fetch.3(2.36 KB)
📄 SPI_scroll_cursor_move.3(2.41 KB)
📄 dblink.3(6.49 KB)
📄 dblink_build_sql_delete.3(3.26 KB)
📄 dblink_build_sql_insert.3(3.85 KB)
📄 dblink_build_sql_update.3(4.1 KB)
📄 dblink_cancel_query.3(2.1 KB)
📄 dblink_close.3(2.7 KB)
📄 dblink_connect.3(5.66 KB)
📄 dblink_connect_u.3(2.73 KB)
📄 dblink_disconnect.3(2.09 KB)
📄 dblink_error_message.3(1.82 KB)
📄 dblink_exec.3(3.73 KB)
📄 dblink_fetch.3(4.15 KB)
📄 dblink_get_connections.3(1.7 KB)
📄 dblink_get_notify.3(2.48 KB)
📄 dblink_get_pkey.3(2.63 KB)
📄 dblink_get_result.3(4.86 KB)
📄 dblink_is_busy.3(1.82 KB)
📄 dblink_open.3(3.21 KB)
📄 dblink_send_query.3(2.32 KB)
📄 editline.3(20.41 KB)
📄 el_deletestr.3(20.41 KB)
📄 el_end.3(20.41 KB)
📄 el_get.3(20.41 KB)
📄 el_getc.3(20.41 KB)
📄 el_gets.3(20.41 KB)
📄 el_history.3(20.41 KB)
📄 el_history_end.3(20.41 KB)
📄 el_history_init.3(20.41 KB)
📄 el_init.3(20.41 KB)
📄 el_insertstr.3(20.41 KB)
📄 el_line.3(20.41 KB)
📄 el_parse.3(20.41 KB)
📄 el_push.3(20.41 KB)
📄 el_reset.3(20.41 KB)
📄 el_resize.3(20.41 KB)
📄 el_set.3(20.41 KB)
📄 el_source.3(20.41 KB)
📄 el_tok_end.3(20.41 KB)
📄 el_tok_init.3(20.41 KB)
📄 el_tok_line.3(20.41 KB)
📄 el_tok_reset.3(20.41 KB)
📄 el_tok_str.3(20.41 KB)
📄 ffi.3(850 B)
📄 ffi_call.3(2.28 KB)
📄 ffi_prep_cif.3(1.13 KB)
📄 ffi_prep_cif_var.3(1.29 KB)
📄 jemalloc.3(71.09 KB)
📄 libexslt.3(6.37 KB)
📄 libxml.3(1.59 KB)
📄 libxslt.3(816 B)
📄 zlib.3(4.37 KB)

Editing: SPI_modifytuple.3

'\" t
.\"     Title: SPI_modifytuple
.\"    Author: The PostgreSQL Global Development Group
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: 2018
.\"    Manual: PostgreSQL 9.6.9 Documentation
.\"    Source: PostgreSQL 9.6.9
.\"  Language: English
.\"
.TH "SPI_MODIFYTUPLE" "3" "2018" "PostgreSQL 9.6.9" "PostgreSQL 9.6.9 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_modifytuple \- create a row by replacing selected fields of a given row
.SH "SYNOPSIS"
.sp
.nf
HeapTuple SPI_modifytuple(Relation \fIrel\fR, HeapTuple \fIrow\fR, int \fIncols\fR,
                          int * \fIcolnum\fR, Datum * \fIvalues\fR, const char * \fInulls\fR)
.fi
.SH "DESCRIPTION"
.PP
\fBSPI_modifytuple\fR
creates a new row by substituting new values for selected columns, copying the original row\*(Aqs columns at other positions\&. The input row is not modified\&.
.SH "ARGUMENTS"
.PP
Relation \fIrel\fR
.RS 4
Used only as the source of the row descriptor for the row\&. (Passing a relation rather than a row descriptor is a misfeature\&.)
.RE
.PP
HeapTuple \fIrow\fR
.RS 4
row to be modified
.RE
.PP
int \fIncols\fR
.RS 4
number of columns to be changed
.RE
.PP
int * \fIcolnum\fR
.RS 4
an array of length
\fIncols\fR, containing the numbers of the columns that are to be changed (column numbers start at 1)
.RE
.PP
Datum * \fIvalues\fR
.RS 4
an array of length
\fIncols\fR, containing the new values for the specified columns
.RE
.PP
const char * \fInulls\fR
.RS 4
an array of length
\fIncols\fR, describing which new values are null
.sp
If
\fInulls\fR
is
NULL
then
\fBSPI_modifytuple\fR
assumes that no new values are null\&. Otherwise, each entry of the
\fInulls\fR
array should be
\*(Aq\ \&\*(Aq
if the corresponding new value is non\-null, or
\*(Aqn\*(Aq
if the corresponding new value is null\&. (In the latter case, the actual value in the corresponding
\fIvalues\fR
entry doesn\*(Aqt matter\&.) Note that
\fInulls\fR
is not a text string, just an array: it does not need a
\*(Aq\e0\*(Aq
terminator\&.
.RE
.SH "RETURN VALUE"
.PP
new row with modifications, allocated in the upper executor context;
NULL
only if
\fIrow\fR
is
NULL
.PP
On error,
\fISPI_result\fR
is set as follows:
.PP
SPI_ERROR_ARGUMENT
.RS 4
if
\fIrel\fR
is
NULL, or if
\fIrow\fR
is
NULL, or if
\fIncols\fR
is less than or equal to 0, or if
\fIcolnum\fR
is
NULL, or if
\fIvalues\fR
is
NULL\&.
.RE
.PP
SPI_ERROR_NOATTRIBUTE
.RS 4
if
\fIcolnum\fR
contains an invalid column number (less than or equal to 0 or greater than the number of column in
\fIrow\fR)
.RE

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Editing: SPI_modifytuple.3

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