theory floating elements.
<title>Syntax</title>
<para>
- The following are valid external representations for the <type>cube</>
- type. <replaceable>x</>, <replaceable>y</>, etc denote floating-point
- numbers:
+ <xref linkend="cube-repr-table"> shows the valid external
+ representations for the <type>cube</>
+ type. <replaceable>x</>, <replaceable>y</>, etc. denote
+ floating-point numbers.
</para>
- <table>
+ <table id="cube-repr-table">
<title>Cube external representations</title>
<tgroup cols="2">
<tbody>
</para>
<para>
- The following functions are available:
+ <xref linkend="cube-functions-table"> shows the available functions.
</para>
- <table>
+ <table id="cube-functions-table">
<title>Cube functions</title>
<tgroup cols="2">
<tbody>
currently no variable to change that within ecpg.
</para>
<para>
- The following input formats are allowed:
- <table>
+ <xref linkend="ecpg-pgtypesdate-from-asc-table"> shows the allowed input formats.
+ </para>
+ <table id="ecpg-pgtypesdate-from-asc-table">
<title>Valid input formats for <function>PGTYPESdate_from_asc</function></title>
<tgroup cols="2">
<thead>
</tbody>
</tgroup>
</table>
- </para>
</listitem>
</varlistentry>
All other characters are copied 1:1 to the output string.
</para>
<para>
- The following table indicates a few possible formats. This will give
+ <xref linkend="ecpg-pgtypesdate-fmt-asc-example-table"> indicates a few possible formats. This will give
you an idea of how to use this function. All output lines are based on
- the same date: November, 23rd, 1959.
- <table>
+ the same date: November 23, 1959.
+ </para>
+ <table id="ecpg-pgtypesdate-fmt-asc-example-table">
<title>Valid input formats for <function>PGTYPESdate_fmt_asc</function></title>
<tgroup cols="2">
<thead>
</tbody>
</tgroup>
</table>
- </para>
</listitem>
</varlistentry>
day.
</para>
<para>
- The following table indicates a few possible formats. This will give
+ <xref linkend="ecpg-rdefmtdate-example-table"> indicates a few possible formats. This will give
you an idea of how to use this function.
- <table>
+ </para>
+ <table id="ecpg-rdefmtdate-example-table">
<title>Valid input formats for <function>rdefmtdate</function></title>
<tgroup cols="3">
<thead>
</tbody>
</tgroup>
</table>
- </para>
</listitem>
</varlistentry>
</variablelist>
specifiers are silently discarded.
</para>
<para>
- The following table contains a few examples for input strings:
- <table>
+ <xref linkend="ecpg-pgtypestimestamp-from-asc-example-table"> contains a few examples for input strings.
+ </para>
+ <table id="ecpg-pgtypestimestamp-from-asc-example-table">
<title>Valid input formats for <function>PGTYPEStimestamp_from_asc</function></title>
<tgroup cols="2">
<thead>
</tbody>
</tgroup>
</table>
- </para>
</listitem>
</varlistentry>
<para>
The <filename>isn</> module provides the standard comparison operators,
plus btree and hash indexing support for all these datatypes. In
- addition there are several specialized functions. In this table,
- <type>isn</> means any one of the module's data types:
+ addition there are several specialized functions; shown in <xref linkend="isn-functions">.
+ In this table,
+ <type>isn</> means any one of the module's data types.
</para>
- <table>
+ <table id="isn-functions">
<title><filename>isn</> functions</title>
<tgroup cols="3">
<thead>
<title>The <structname>pg_buffercache</structname> view</title>
<para>
- The definitions of the columns exposed by the view are:
+ The definitions of the columns exposed by the view are shown in <xref linkend="pgbuffercache-columns">.
</para>
- <table>
+ <table id="pgbuffercache-columns">
<title><structname>pg_buffercache</> Columns</title>
<tgroup cols="4">
too high a count the time to calculate a hash may be several years
— which is somewhat impractical. If the <parameter>iter_count</>
parameter is omitted, the default iteration count is used.
- Allowed values for <parameter>iter_count</> depend on the algorithm:
+ Allowed values for <parameter>iter_count</> depend on the algorithm and
+ are shown in <xref linkend="pgcrypto-icfc-table">.
</para>
- <table>
+ <table id="pgcrypto-icfc-table">
<title>Iteration counts for <function>crypt()</></title>
<tgroup cols="4">
<thead>
</para>
<para>
- Here is a table that gives an overview of the relative slowness
+ <xref linkend="pgcrypto-hash-speed-table"> gives an overview of the relative slowness
of different hashing algorithms.
The table shows how much time it would take to try all
combinations of characters in an 8-character password, assuming
<function>gen_salt</function>.
</para>
- <table>
+ <table id="pgcrypto-hash-speed-table">
<title>Hash algorithm speeds</title>
<tgroup cols="4">
<thead>
<filename>pgcrypto</filename> uses code from the following sources:
</para>
- <table>
- <title>Credits</title>
+ <informaltable>
<tgroup cols="3">
<thead>
<row>
</row>
</tbody>
</tgroup>
- </table>
+ </informaltable>
</sect2>
</sect1>
<sect2>
<title>Overview</title>
- <synopsis>
+<synopsis>
pgrowlocks(text) returns setof record
- </synopsis>
+</synopsis>
<para>
The parameter is the name of a table. The result is a set of records,
with one row for each locked row within the table. The output columns
- are:
+ are shown in <xref linkend="pgrowlocks-columns">.
</para>
- <table>
+ <table id="pgrowlocks-columns">
<title><function>pgrowlocks</> output columns</title>
<tgroup cols="3">
named <structname>pg_stat_statements</>. This view contains one row for
each distinct query text, database ID, and user ID (up to the maximum
number of distinct statements that the module can track). The columns
- of the view are:
+ of the view are shown in <xref linkend="pgstatstatements-columns">.
</para>
- <table>
+ <table id="pgstatstatements-columns">
<title><structname>pg_stat_statements</> columns</title>
<tgroup cols="4">
to determine whether vacuum is necessary or not. The argument is the
target relation's name (optionally schema-qualified).
For example:
- </para>
- <programlisting>
+<programlisting>
test=> SELECT * FROM pgstattuple('pg_catalog.pg_proc');
-[ RECORD 1 ]------+-------
table_len | 458752
dead_tuple_percent | 0.69
free_space | 8932
free_percent | 1.95
- </programlisting>
-
- <para>
- The output columns are:
+</programlisting>
+ The output columns are described in <xref linkend="pgstattuple-columns">.
</para>
- <table>
+ <table id="pgstattuple-columns">
<title><function>pgstattuple</function> output columns</title>
<tgroup cols="3">
<thead>
</para>
<para>
- In the following table, <replaceable>x</>, <replaceable>y</>, and
+ In <xref linkend="seg-repr-table">, <replaceable>x</>, <replaceable>y</>, and
<replaceable>delta</> denote
floating-point numbers. <replaceable>x</> and <replaceable>y</>, but
- not <replaceable>delta</>, can be preceded by a certainty indicator:
+ not <replaceable>delta</>, can be preceded by a certainty indicator.
</para>
- <table>
+ <table id="seg-repr-table">
<title><type>seg</> external representations</title>
<tgroup cols="2">
<tbody>
<title>Description of functions</title>
<para>
+ <xref linkend="xml2-functions-table"> shows the functions provided by this module.
These functions provide straightforward XML parsing and XPath queries.
All arguments are of type <type>text</>, so for brevity that is not shown.
</para>
- <table>
+ <table id="xml2-functions-table">
<title>Functions</title>
<tgroup cols="2">
<tbody>