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NAME="VIEW-PG-PREPARED-STATEMENTS"
>45.59. <TT
CLASS="STRUCTNAME"
>pg_prepared_statements</TT
></A
></H1
><P
> The <TT
CLASS="STRUCTNAME"
>pg_prepared_statements</TT
> view displays
all the prepared statements that are available in the current
session. See <A
HREF="sql-prepare.html"
>PREPARE</A
> for more information about prepared
statements.
</P
><P
> <TT
CLASS="STRUCTNAME"
>pg_prepared_statements</TT
> contains one row
for each prepared statement. Rows are added to the view when a new
prepared statement is created and removed when a prepared statement
is released (for example, via the <A
HREF="sql-deallocate.html"
>DEALLOCATE</A
> command).
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><P
><B
>Table 45-60. <TT
CLASS="STRUCTNAME"
>pg_prepared_statements</TT
> Columns</B
></P
><TABLE
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><COL><COL><COL><THEAD
><TR
><TH
>Name</TH
><TH
>Type</TH
><TH
>Description</TH
></TR
></THEAD
><TBODY
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>name</TT
></TD
><TD
><TT
CLASS="TYPE"
>text</TT
></TD
><TD
> The identifier of the prepared statement
</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>statement</TT
></TD
><TD
><TT
CLASS="TYPE"
>text</TT
></TD
><TD
> The query string submitted by the client to create this
prepared statement. For prepared statements created via SQL,
this is the <TT
CLASS="COMMAND"
>PREPARE</TT
> statement submitted by
the client. For prepared statements created via the
frontend/backend protocol, this is the text of the prepared
statement itself.
</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>prepare_time</TT
></TD
><TD
><TT
CLASS="TYPE"
>timestamptz</TT
></TD
><TD
> The time at which the prepared statement was created
</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>parameter_types</TT
></TD
><TD
><TT
CLASS="TYPE"
>regtype[]</TT
></TD
><TD
> The expected parameter types for the prepared statement in the
form of an array of <TT
CLASS="TYPE"
>regtype</TT
>. The OID corresponding
to an element of this array can be obtained by casting the
<TT
CLASS="TYPE"
>regtype</TT
> value to <TT
CLASS="TYPE"
>oid</TT
>.
</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>from_sql</TT
></TD
><TD
><TT
CLASS="TYPE"
>boolean</TT
></TD
><TD
> <TT
CLASS="LITERAL"
>true</TT
> if the prepared statement was created
via the <TT
CLASS="COMMAND"
>PREPARE</TT
> SQL statement;
<TT
CLASS="LITERAL"
>false</TT
> if the statement was prepared via the
frontend/backend protocol
</TD
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></TABLE
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><P
> The <TT
CLASS="STRUCTNAME"
>pg_prepared_statements</TT
> view is read only.
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