[PostgreSQL] requete mysql vers postgreSQL

Bonjour,
J'ai cette requete faite en mysql qui ne fonctionne pas sous postgreSQL:

Code:

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SELECT AVG(wo.TIMEREQ)/1000 as moyenne, COUNT(*) as nb
FROM WorkO wo 
	LEFT JOIN Work wos ON wo.WORKID=wos.WORKID 
	LEFT JOIN CatDef cd ON wos.CATID=cd.CATID 
	LEFT JOIN StatDef std ON wos.STID=std.STID 
	LEFT JOIN WorkO_Q wo_q ON wo.WORKID=wo_q.WORKID 
	LEFT JOIN QueueDef q ON wo_q.QID=q.QID
	LEFT JOIN PriorityDef pd ON wos.PRIOID=pd.PRIOID 
WHERE (wo.RESOLVTIME BETWEEN UNIX_TIMESTAMP('".$date_borne[0]." 00:00:00')*1000 
		AND UNIX_TIMESTAMP('".$date_borne[1]." 23:59:59')*1000)
		AND wo.DEPARTID = 1

J'ai essayé de la "convertir" avec ce code:

Code:

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SELECT AVG(wo.TIMEREQ)/1000 as moyenne, COUNT(*) as nb
FROM WorkO wo 
	LEFT JOIN Work wos ON wo.WORKID=wos.WORKID 
	LEFT JOIN CatDef cd ON wos.CATID=cd.CATID 
	LEFT JOIN StatDef std ON wos.STID=std.STID 
	LEFT JOIN WorkO_Q wo_q ON wo.WORKID=wo_q.WORKID 
	LEFT JOIN QueueDef q ON wo_q.QID=q.QID
	LEFT JOIN PriorityDef pd ON wos.PRIOID=pd.PRIOID 
WHERE (wo.RESOLVTIME (select extract(epoch from timestamp '".$date_borne[0]." 00:00:00') * 1000))
		AND (select extract(epoch from timestamp '".$date_borne[1]." 23:59:59') * 1000) ) )
		AND wo.DEPARTID = 1

Mais j'ai toujours cette erreur:

Citation:

Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[42601]: Syntax error: 7 ERROR: syntax error at or near "extract"
LINE 10: WHERE (wo.RESOLVEDTIME extract(epoch from timestamp '2...

Pourriez vous m'aider pour régler ce problème? merci