about hacking postgresql - Mailing list pgsql-hackers

<table border="0" cellpadding="0" cellspacing="0"><tr><td style="font: inherit;" valign="top"><p class="MsoNormal"
style="MARGIN:0cm 0cm 0pt"><span lang="EN-GB"><font size="3"><font face="Times New Roman">Hellow,
</font></font></span><pclass="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font face="Times New Roman"
size="3"> </font></span><pclass="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font size="3"><font
face="TimesNew Roman">I want to be more precis</font></font></span><p class="MsoNormal" style="MARGIN: 0cm 0cm
0pt"><spanlang="EN-GB"><font size="3"><font face="Times New Roman">I want to change the syntax as
follows</font></font></span><pclass="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font size="3"><font
face="TimesNew Roman">Start Transaction <u><strong>(priority</strong></u>)</font></font></span><p class="MsoNormal"
style="MARGIN:0cm 0cm 0pt"><span lang="EN-GB"><font face="Times New Roman" size="3"></font></span>  <p
class="MsoNormal"style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font size="3"><font face="Times New Roman">I have 03
transactions</font></font></span><pclass="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font
size="3"><fontface="Times New Roman">I want to give to every transaction à priority</font></font></span><p
class="MsoNormal"style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font face="Times New Roman" size="3"> </font></span><p
class="MsoNormal"style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font size="3"><font face="Times New
Roman">Example</font></font></span><pclass="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font
size="3"><fontface="Times New Roman">Transaction 1</font></font></span><p class="MsoNormal" style="MARGIN: 0cm 0cm
0pt"><spanlang="EN-GB"><font size="3"><font face="Times New Roman">Start transaction (03) </font></font></span><p
class="MsoNormal"style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font size="3"><font face="Times New
Roman">………….</font></font></span><pclass="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font
size="3"><fontface="Times New Roman">Commit</font></font></span><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span
lang="EN-GB"><fontface="Times New Roman" size="3"> </font></span><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span
lang="EN-GB"><fontsize="3"><font face="Times New Roman">Transaction 2</font></font></span><p class="MsoNormal"
style="MARGIN:0cm 0cm 0pt"><span lang="EN-GB"><font size="3"><font face="Times New Roman">Start transaction (04)
</font></font></span><pclass="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font size="3"><font
face="TimesNew Roman">………</font></font></span><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font
size="3"><fontface="Times New Roman">Commit</font></font></span><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span
lang="EN-GB"><fontface="Times New Roman" size="3"> </font></span><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span
lang="EN-GB"><fontsize="3"><font face="Times New Roman">Transaction 1</font></font></span><p class="MsoNormal"
style="MARGIN:0cm 0cm 0pt"><span lang="EN-GB"><font size="3"><font face="Times New Roman">Start transaction (01)
</font></font></span><pclass="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font size="3"><font
face="TimesNew Roman">…………..</font></font></span><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span
lang="EN-GB"><fontsize="3"><font face="Times New Roman">Commit</font></font></span><p class="MsoNormal" style="MARGIN:
0cm0cm 0pt"><span lang="EN-GB"><font face="Times New Roman" size="3"> </font></span><p class="MsoNormal" style="MARGIN:
0cm0cm 0pt"><span lang="EN-GB"><font face="Times New Roman" size="3">(the transaction with the higth priority must
executefirst)</font></span><p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font face="Times New
Roman"size="3"></font></span>  <p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font size="3"><font
face="TimesNew Roman">How to express this in gram.y? Is change in gram.y sufficient?</font></font></span><p
class="MsoNormal"style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font face="Times New Roman" size="3"> </font></span><p
class="MsoNormal"style="MARGIN: 0cm 0cm 0pt"><span lang="EN-GB"><font size="3"><font face="Times New Roman">Thanks a
lot</font></font></span></td></tr></table><br/>