assertPostgreClauseSerialize(t,table1ColTimestamp.NOT_EQ(timestamp),"(table1.col_timestamp != $1::timestamp without time zone)","2000-01-31 10:20:00.000")
assertPostgreClauseSerialize(t,table1ColTimestamp.IS_DISTINCT_FROM(table2ColTimestamp),"(table1.col_timestamp IS DISTINCT FROM table2.col_timestamp)")
assertPostgreClauseSerialize(t,table1ColTimestamp.IS_DISTINCT_FROM(timestamp),"(table1.col_timestamp IS DISTINCT FROM $1::timestamp without time zone)","2000-01-31 10:20:00.000")
assertPostgreClauseSerialize(t,table1ColTimestamp.IS_NOT_DISTINCT_FROM(table2ColTimestamp),"(table1.col_timestamp IS NOT DISTINCT FROM table2.col_timestamp)")
assertPostgreClauseSerialize(t,table1ColTimestamp.IS_NOT_DISTINCT_FROM(timestamp),"(table1.col_timestamp IS NOT DISTINCT FROM $1::timestamp without time zone)","2000-01-31 10:20:00.000")
assertPostgreClauseSerialize(t,table1ColTimestamp.LT_EQ(timestamp),"(table1.col_timestamp <= $1::timestamp without time zone)","2000-01-31 10:20:00.000")
assertPostgreClauseSerialize(t,table1ColTimestamp.GT_EQ(timestamp),"(table1.col_timestamp >= $1::timestamp without time zone)","2000-01-31 10:20:00.000")