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@ -1,5 +1,5 @@ |
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<!-- |
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$PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.261 2005/06/28 05:08:50 tgl Exp $ |
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$PostgreSQL: pgsql/doc/src/sgml/func.sgml,v 1.262 2005/06/29 01:52:56 momjian Exp $ |
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PostgreSQL documentation |
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--> |
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@ -5786,15 +5786,6 @@ SELECT LOCALTIMESTAMP; |
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<function>CURRENT_TIMESTAMP</function>. |
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</para> |
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<para> |
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There is also the function <function>timeofday()</function>, which for historical |
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reasons returns a <type>text</type> string rather than a <type>timestamp</type> value: |
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<screen> |
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SELECT timeofday(); |
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<lineannotation>Result: </lineannotation><computeroutput>Sat Feb 17 19:07:32.000126 2001 EST</computeroutput> |
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</screen> |
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</para> |
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<para> |
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It is important to know that |
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<function>CURRENT_TIMESTAMP</function> and related functions return |
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@ -5803,8 +5794,7 @@ SELECT timeofday(); |
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the intent is to allow a single transaction to have a consistent |
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notion of the <quote>current</quote> time, so that multiple |
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modifications within the same transaction bear the same |
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time stamp. <function>timeofday()</function> |
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returns the wall-clock time and does advance during transactions. |
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time stamp. |
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</para> |
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<note> |
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@ -5814,6 +5804,18 @@ SELECT timeofday(); |
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</para> |
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</note> |
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<para> |
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There is also the function <function>timeofday()</function> which |
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returns the wall-clock time and advances during transactions. For |
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historical reasons <function>timeofday()</function> returns a |
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<type>text</type> string rather than a <type>timestamp</type> |
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value: |
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<screen> |
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SELECT timeofday(); |
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<lineannotation>Result: </lineannotation><computeroutput>Sat Feb 17 19:07:32.000126 2001 EST</computeroutput> |
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</screen> |
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</para> |
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<para> |
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All the date/time data types also accept the special literal value |
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<literal>now</literal> to specify the current date and time. Thus, |
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